CN110607694A - Water-based microfiber non-woven fabric capable of replacing genuine leather - Google Patents

Water-based microfiber non-woven fabric capable of replacing genuine leather Download PDF

Info

Publication number
CN110607694A
CN110607694A CN201910910330.7A CN201910910330A CN110607694A CN 110607694 A CN110607694 A CN 110607694A CN 201910910330 A CN201910910330 A CN 201910910330A CN 110607694 A CN110607694 A CN 110607694A
Authority
CN
China
Prior art keywords
parts
water
woven fabric
agent
microfiber non
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201910910330.7A
Other languages
Chinese (zh)
Inventor
杜飞虎
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Jinjiang Quanyi Non Woven Co Ltd
Original Assignee
Jinjiang Quanyi Non Woven Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Jinjiang Quanyi Non Woven Co Ltd filed Critical Jinjiang Quanyi Non Woven Co Ltd
Priority to CN201910910330.7A priority Critical patent/CN110607694A/en
Publication of CN110607694A publication Critical patent/CN110607694A/en
Pending legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00—Polymeric products of isocyanates or isothiocyanates
    • C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
    • C08G18/30—Low-molecular-weight compounds
    • C08G18/32—Polyhydroxy compounds; Polyamines; Hydroxyamines
    • C08G18/3203—Polyhydroxy compounds
    • C08G18/3206—Polyhydroxy compounds aliphatic
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00—Polymeric products of isocyanates or isothiocyanates
    • C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
    • C08G18/30—Low-molecular-weight compounds
    • C08G18/32—Polyhydroxy compounds; Polyamines; Hydroxyamines
    • C08G18/3225—Polyamines
    • C08G18/3234—Polyamines cycloaliphatic
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00—Polymeric products of isocyanates or isothiocyanates
    • C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
    • C08G18/40—High-molecular-weight compounds
    • C08G18/42—Polycondensates having carboxylic or carbonic ester groups in the main chain
    • C08G18/4244—Polycondensates having carboxylic or carbonic ester groups in the main chain containing oxygen in the form of ether groups
    • C08G18/4247—Polycondensates having carboxylic or carbonic ester groups in the main chain containing oxygen in the form of ether groups derived from polyols containing at least one ether group and polycarboxylic acids
    • C08G18/4252—Polycondensates having carboxylic or carbonic ester groups in the main chain containing oxygen in the form of ether groups derived from polyols containing at least one ether group and polycarboxylic acids derived from polyols containing polyether groups and polycarboxylic acids
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00—Polymeric products of isocyanates or isothiocyanates
    • C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
    • C08G18/40—High-molecular-weight compounds
    • C08G18/48—Polyethers
    • C08G18/4854—Polyethers containing oxyalkylene groups having four carbon atoms in the alkylene group
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00—Polymeric products of isocyanates or isothiocyanates
    • C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
    • C08G18/65—Low-molecular-weight compounds having active hydrogen with high-molecular-weight compounds having active hydrogen
    • C08G18/66—Compounds of groups C08G18/42, C08G18/48, or C08G18/52
    • C08G18/6603—Compounds of groups C08G18/42, C08G18/48, or C08G18/52 with compounds of group C08G18/32 or polyamines of C08G18/38
    • C08G18/6607—Compounds of groups C08G18/42, C08G18/48, or C08G18/52 with compounds of group C08G18/32 or polyamines of C08G18/38 with compounds of group C08G18/3203
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00—Polymeric products of isocyanates or isothiocyanates
    • C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
    • C08G18/65—Low-molecular-weight compounds having active hydrogen with high-molecular-weight compounds having active hydrogen
    • C08G18/66—Compounds of groups C08G18/42, C08G18/48, or C08G18/52
    • C08G18/6603—Compounds of groups C08G18/42, C08G18/48, or C08G18/52 with compounds of group C08G18/32 or polyamines of C08G18/38
    • C08G18/6614—Compounds of groups C08G18/42, C08G18/48, or C08G18/52 with compounds of group C08G18/32 or polyamines of C08G18/38 with compounds of group C08G18/3225 or C08G18/3271 and/or polyamines of C08G18/38
    • C08G18/6618—Compounds of groups C08G18/42, C08G18/48, or C08G18/52 with compounds of group C08G18/32 or polyamines of C08G18/38 with compounds of group C08G18/3225 or C08G18/3271 and/or polyamines of C08G18/38 with compounds of group C08G18/3225 or polyamines of C08G18/38
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00—Polymeric products of isocyanates or isothiocyanates
    • C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/70—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the isocyanates or isothiocyanates used
    • C08G18/72—Polyisocyanates or polyisothiocyanates
    • C08G18/74—Polyisocyanates or polyisothiocyanates cyclic
    • C08G18/75—Polyisocyanates or polyisothiocyanates cyclic cycloaliphatic
    • C08G18/751—Polyisocyanates or polyisothiocyanates cyclic cycloaliphatic containing only one cycloaliphatic ring
    • C08G18/752—Polyisocyanates or polyisothiocyanates cyclic cycloaliphatic containing only one cycloaliphatic ring containing at least one isocyanate or isothiocyanate group linked to the cycloaliphatic ring by means of an aliphatic group
    • C08G18/753—Polyisocyanates or polyisothiocyanates cyclic cycloaliphatic containing only one cycloaliphatic ring containing at least one isocyanate or isothiocyanate group linked to the cycloaliphatic ring by means of an aliphatic group containing one isocyanate or isothiocyanate group linked to the cycloaliphatic ring by means of an aliphatic group having a primary carbon atom next to the isocyanate or isothiocyanate group
    • C08G18/755—Polyisocyanates or polyisothiocyanates cyclic cycloaliphatic containing only one cycloaliphatic ring containing at least one isocyanate or isothiocyanate group linked to the cycloaliphatic ring by means of an aliphatic group containing one isocyanate or isothiocyanate group linked to the cycloaliphatic ring by means of an aliphatic group having a primary carbon atom next to the isocyanate or isothiocyanate group and at least one isocyanate or isothiocyanate group linked to a secondary carbon atom of the cycloaliphatic ring, e.g. isophorone diisocyanate
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
    • D06M15/19—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with synthetic macromolecular compounds
    • D06M15/37—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • D06M15/564—Polyureas, polyurethanes or other polymers having ureide or urethane links; Precondensation products forming them
    • D06M15/568—Reaction products of isocyanates with polyethers
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
    • D06M15/19—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with synthetic macromolecular compounds
    • D06M15/37—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • D06M15/564—Polyureas, polyurethanes or other polymers having ureide or urethane links; Precondensation products forming them
    • D06M15/572—Reaction products of isocyanates with polyesters or polyesteramides
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M16/00—Biochemical treatment of fibres, threads, yarns, fabrics, or fibrous goods made from such materials, e.g. enzymatic
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
    • D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
    • D06N3/12—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof with macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. gelatine proteins
    • D06N3/14—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof with macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. gelatine proteins with polyurethanes
    • D06N3/146—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof with macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. gelatine proteins with polyurethanes characterised by the macromolecular diols used
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
    • D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
    • D06N3/12—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof with macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. gelatine proteins
    • D06N3/14—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof with macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. gelatine proteins with polyurethanes
    • D06N3/147—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof with macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. gelatine proteins with polyurethanes characterised by the isocyanates used
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M2200/00—Functionality of the treatment composition and/or properties imparted to the textile material
    • D06M2200/01—Stain or soil resistance
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M2200/00—Functionality of the treatment composition and/or properties imparted to the textile material
    • D06M2200/50—Modified hand or grip properties; Softening compositions

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Health & Medical Sciences (AREA)
  • Organic Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Medicinal Chemistry (AREA)
  • Textile Engineering (AREA)
  • Engineering & Computer Science (AREA)
  • Dispersion Chemistry (AREA)
  • Microbiology (AREA)
  • General Chemical & Material Sciences (AREA)
  • Biochemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
  • Synthetic Leather, Interior Materials Or Flexible Sheet Materials (AREA)

Abstract

The invention relates to a water-based microfiber non-woven fabric capable of replacing genuine leather, which comprises a microfiber non-woven fabric, a bottom layer and a surface layer, wherein the bottom layer is covered on the microfiber non-woven fabric, and the surface layer is covered on the bottom layer and consists of the following raw materials in parts by weight: 100 parts of aqueous polyurethane emulsion, 35-38 parts of dimethylformamide, 30-40 parts of polymer particles, 20-150 parts of deionized water, 0.1-2.0 parts of cell regulator and 0.2-0.8 part of antifouling auxiliary agent. Compared with the prior art, the invention has good surface tactility and antifouling and antibacterial properties; the characteristics of fullness, softness and strong real leather feeling of the water-based microfiber non-woven fabric are realized; the prepared water-based microfiber non-woven fabric capable of replacing genuine leather has a fine cell structure.

Description

Water-based microfiber non-woven fabric capable of replacing genuine leather
Technical Field
The invention relates to the technical field of non-woven fabrics, in particular to a water-based microfiber non-woven fabric capable of replacing genuine leather.
Background
In the prior art, synthetic leather can be classified into polyurethane clothing leather, shoe synthetic leather, automobile leather, sofa leather and the like according to different purposes. Different application areas have different requirements on the properties of the leather. Wherein the clothing leather has high requirements on comfort and functionality, particularly comfort. In terms of comfort, the leather is required to have good air permeability, meat feel, low-temperature flexibility and soft hand feeling; in terms of functionality, leather is required to have good hydrolysis resistance, abrasion resistance, scratch resistance, extensibility, and the like.
The prior art studies on clothing leathers have focused on improving the performance of one or some aspects. The environment-friendly polyurethane leather with the application number of 201310137494.3, the preparation method and the product thereof comprise a microfiber non-woven fabric, a bottom layer covered on the non-woven fabric, and a surface layer, a polyvinyl chloride foaming layer and a water-based bonding layer covered on the bottom layer, wherein after a semi-finished product of the polyurethane leather is foamed and embossed, a three-plate surface treatment machine is adopted for surface treatment, the sizing amount of the water-based surface treatment agent is 40-60 g/m2, the drying temperature and the drying time are respectively 140-150 ℃ and 60-90 s, a finished product is obtained after the leather blank after the surface treatment is subjected to graining, drying and measuring, and the surface layer comprises 4 layers of coatings. However, the technical scheme has the following defects: poor antifouling and antibacterial properties, and poor hand and leather feel.
Disclosure of Invention
The present invention is directed to solving, at least to some extent, one of the above-mentioned problems in the prior art. Therefore, the invention aims to provide the water-based microfiber non-woven fabric which has strong antifouling and antibacterial performance and strong hand feeling and corium feeling and can replace corium.
The technical scheme for solving the technical problems is as follows: the water-based microfiber non-woven fabric capable of replacing dermis comprises microfiber non-woven fabric, a bottom layer and a surface layer, wherein the bottom layer covers the microfiber non-woven fabric, and the surface layer covers the bottom layer, and the bottom layer is composed of the following raw materials in parts by weight: 100 parts of aqueous polyurethane emulsion, 35-38 parts of dimethylformamide, 30-40 parts of polymer particles, 20-150 parts of deionized water, 0.5-2.5 parts of dye solution, 0.1-2.0 parts of cell regulator and 0.2-0.8 part of antifouling auxiliary agent.
The invention has the beneficial effects that: the bottom layer has antifouling and antibacterial properties by using the antifouling auxiliary agent, so that the water-based microfiber non-woven fabric has good surface touch and antifouling and antibacterial properties;
by utilizing the characteristic that polymer particles are dissolved in hot toluene, the polymer particles are added when the water-based impregnating resin is prepared, and the polymer particles in the impregnating resin are subtracted while the toluene is reduced to form superfine fibers, so that polyurethane micropores are formed, and the characteristics of fullness, softness and strong real leather feeling of the water-based superfine fiber non-woven fabric are realized.
The aqueous polyurethane emulsion is used for replacing solvent type polyurethane resin, so that the environmental pollution is greatly reduced, the size and the number of the cell structures are adjusted by changing the size and the number of polymer particles by utilizing the process characteristic of toluene reduction under the condition of not increasing working procedures, and the prepared aqueous microfiber non-woven fabric capable of replacing genuine leather has a fine cell structure.
On the basis of the technical scheme, the invention can be further improved as follows.
Further, the surface layer is a coating formed by coating and scraping slurry, and the slurry of the surface layer comprises the following raw materials in parts by weight: 80-100 parts of waterborne polyurethane resin, 10-20 parts of water and 1-5 parts of waterborne auxiliary agent.
Further, the waterborne polyurethane resin comprises the following raw materials in parts by weight: 15-17 parts of polytetrahydrofuran diol, 8-10 parts of ester ether copolymer, 3-5 parts of chain extender, 10-12 parts of polyisocyanate, 1-3 parts of salt forming agent, 1-2 parts of organic bismuth catalyst, 2-4 parts of acetone, 38-43 parts of water, 0.5-1 part of thickener and 0.5-1 part of defoamer.
The beneficial effect of adopting the further scheme is that: through the mixing of the raw materials, the performance of the waterborne polyurethane resin is greatly improved, and the hand feeling softness, the peeling strength and the water resistance of a surface layer are improved; the polyisocyanate is isophorone diisocyanate, so that the phenomenon that materials are yellowed due to the fact that benzene rings are subjected to metamorphosis under ultraviolet rays is avoided; the salt forming agent is a mixture of triethylamine and acetic acid, so that the phenomenon that the performance of the waterborne polyurethane resin is reduced due to over-strong alkalinity is avoided;
the defoaming agent can reduce bubbles in the water-based polyurethane resin and enhance the strength of the surface layer.
Further, the chain extender is a mixture of ethylene glycol and isophorone diamine, the ester ether copolymer is ester ether copolymerized dihydric alcohol obtained by copolymerization of polyester polyol, polyether dihydric alcohol and adipic acid, the hydroxyl value is 27-37mgKOH/g, and the polyisocyanate is isophorone diisocyanate.
Further, the aqueous auxiliary agent comprises the following raw materials in parts by weight: 0.6-4.3 parts of water-based polyurethane gloss oil, 0.03-0.06 part of water-based thickening agent, 0.02-0.04 part of water-based leveling agent, 0.2-0.3 part of water-based cross-linking agent, 0.05-0.1 part of organic silicon hand feeling agent and 0.1-0.2 part of organic silicon softening agent.
The beneficial effect of adopting the further scheme is that: the organic silicon hand feeling agent and the organic silicon softening agent can enhance the softness and hand feeling of the water-based microfiber non-woven fabric.
In the above embodiment, the water is distilled water.
The beneficial effect of adopting the further scheme is that: distilled water can ensure the quality of the surface layer prepared from the waterborne polyurethane resin and the waterborne auxiliary agent, and avoid the influence of impurities in water on the surface layer quality.
Detailed Description
The principles and features of this invention are described below in conjunction with examples which are set forth to illustrate, but are not to be construed to limit the scope of the invention.
Example 1:
the water-based microfiber non-woven fabric capable of replacing dermis comprises microfiber non-woven fabric, a bottom layer and a surface layer, wherein the bottom layer covers the microfiber non-woven fabric, and the surface layer covers the bottom layer, and the bottom layer is composed of the following raw materials in parts by weight: 100 parts of waterborne polyurethane emulsion, 35 parts of dimethylformamide, 30 parts of polymer particles, 20 parts of deionized water, 0.1 part of cell regulator and 0.2 part of antifouling auxiliary agent. Wherein the foam pore regulator is a conventional microfiber wet-process foam pore regulator; the antifouling auxiliary agent is VS108 or VS128 or VS138, and is organic fluorine modified polyurethane resin; the polymer particles are polyolefin particles;
a preparation method of a water-based microfiber non-woven fabric capable of replacing dermis comprises the following steps:
producing a non-woven fabric to obtain the non-woven fabric;
wet-process blank making, namely soaking the non-woven fabric in the bottom layer slurry of the bottom layer to prepare a bottom blank;
dry facing, namely sequentially coating and scraping surface layer slurry on the surface of the carrier to generate the surface layer;
attaching one side of the surface layer to the bottom blank, drying, cooling and peeling to generate a water-based microfiber non-woven fabric capable of replacing genuine leather;
wherein, wet-process blank preparation is to mix 100 parts of waterborne polyurethane emulsion, 35 parts of dimethylformamide, 30 parts of polymer particles, 20 parts of deionized water, 0.1 part of foam pore regulator and 0.2 part of antifouling auxiliary agent to obtain slurry; dipping the non-woven fabric into the slurry containing the polymer particles, and then scraping the resin on the surface of the non-woven fabric to obtain a dipped base fabric; putting the dipped base fabric into toluene for decrement to obtain a base blank; sequentially dyeing, oiling, grinding and dry veneering.
In the above embodiment, the surface layer is a coating formed by coating and scraping slurry, and the slurry of the surface layer is composed of the following raw materials in parts by weight: 80 parts of waterborne polyurethane resin, 10 parts of water and 1 part of waterborne auxiliary agent.
In the above embodiment, the aqueous polyurethane resin comprises the following raw materials in parts by weight: 15 parts of polytetrahydrofuran dihydric alcohol, 8 parts of ester ether copolymer, 3 parts of chain extender, 10 parts of polyisocyanate, 1 part of salt forming agent, 1 part of organic bismuth catalyst, 2 parts of acetone, 38 parts of water, 0.5 part of thickener and 0.5 part of defoaming agent.
Putting 15 parts of polytetrahydrofuran diol, 1 part of organic bismuth catalyst, 38 parts of water and 8 parts of ester ether copolymer into a reaction kettle with stirring, temperature control equipment and a jacket heating device, heating, performing vacuum dehydration, cooling to 40-50 ℃ after the water mass content is less than 300ppm, adding 3 parts of chain extender, 10 parts of polyisocyanate and 2 parts of acetone for reaction, cooling to 40-50 ℃, adding 1 part of salt forming agent, emulsifying the obtained resin in water, finally performing reduced pressure distillation to remove the acetone, and adding 0.5 part of thickener and 0.5 part of defoamer to obtain the waterborne polyurethane resin.
In the above embodiment, the chain extender is a mixture of ethylene glycol and isophorone diamine, the ester ether copolymer is an ester ether copolymerized diol obtained by copolymerization of polyester polyol, polyether diol and adipic acid, the hydroxyl value is 27mgKOH/g, and the polyisocyanate is isophorone diisocyanate.
In the above embodiments, the aqueous additive is composed of the following raw materials in parts by weight: 0.6 part of water-based polyurethane gloss oil, 0.03 part of water-based thickening agent, 0.02 part of water-based leveling agent, 0.2 part of water-based cross-linking agent, 0.05 part of organic silicon hand feeling agent and 0.1 part of organic silicon softening agent.
Firstly, 0.6 part of water-based polyurethane gloss oil, 0.03 part of water-based thickening agent, 0.02 part of water-based leveling agent and 0.2 part of water-based crosslinking agent are simultaneously added and mixed, after stirring for 15-20 minutes, 0.05 part of organic silicon hand feeling agent and 0.1 part of organic silicon softening agent are added, stirring is carried out at a high speed for 2-3 minutes, and standing is carried out for 10-15 minutes, so that the softness and hand feeling of the water-based microfiber non-woven fabric can be enhanced.
In the above embodiment, the water is distilled water.
Example 2:
the water-based microfiber non-woven fabric capable of replacing dermis comprises microfiber non-woven fabric, a bottom layer and a surface layer, wherein the bottom layer covers the microfiber non-woven fabric, and the surface layer covers the bottom layer, and the bottom layer is composed of the following raw materials in parts by weight: 100 parts of aqueous polyurethane emulsion, 38 parts of dimethylformamide, 40 parts of polymer particles, 150 parts of deionized water, 2.0 parts of cell regulator and 0.8 part of antifouling auxiliary agent.
A preparation method of a water-based microfiber non-woven fabric capable of replacing dermis comprises the following steps:
producing a non-woven fabric to obtain the non-woven fabric;
wet-process blank making, namely soaking the non-woven fabric in the bottom layer slurry of the bottom layer to prepare a bottom blank;
dry facing, namely sequentially coating and scraping surface layer slurry on the surface of the carrier to generate the surface layer;
attaching one side of the surface layer to the bottom blank, drying, cooling and peeling to generate a water-based microfiber non-woven fabric capable of replacing genuine leather;
wherein, wet-process blank preparation is to mix 100 parts of waterborne polyurethane emulsion, 38 parts of dimethylformamide, 40 parts of polymer particles, 150 parts of deionized water, 2.0 parts of foam pore regulator and 0.8 part of antifouling auxiliary agent to obtain slurry; dipping the non-woven fabric into the slurry containing the polymer particles, and then scraping the resin on the surface of the non-woven fabric to obtain a dipped base fabric; putting the dipped base fabric into toluene for decrement to obtain a base blank; sequentially dyeing, oiling, grinding and dry veneering.
In the above embodiment, the surface layer is a coating formed by coating and scraping slurry, and the slurry of the surface layer is composed of the following raw materials in parts by weight: 100 parts of waterborne polyurethane resin, 20 parts of water and 5 parts of waterborne auxiliary agent.
In the above embodiment, the aqueous polyurethane resin comprises the following raw materials in parts by weight: 17 parts of polytetrahydrofuran dihydric alcohol, 10 parts of ester ether copolymer, 5 parts of chain extender, 12 parts of polyisocyanate, 3 parts of salt forming agent, 2 parts of organic bismuth catalyst, 4 parts of acetone, 43 parts of water, 1 part of thickener and 1 part of defoaming agent.
Putting 17 parts of polytetrahydrofuran diol, 10 parts of ester ether copolymer, 2 parts of organic bismuth catalyst and 43 parts of water into a reaction kettle with stirring, temperature control equipment and a jacket heating device, heating, vacuum dehydrating, cooling to 40-50 ℃, adding 5 parts of chain extender, 12 parts of polyisocyanate and 4 parts of acetone for reaction, cooling to 40-50 ℃, adding 3 parts of salt forming agent, emulsifying the obtained resin in water, finally carrying out reduced pressure distillation to remove acetone, and adding 1 part of thickener and 1 part of defoamer to obtain the waterborne polyurethane resin.
In the above embodiment, the chain extender is a mixture of ethylene glycol and isophorone diamine, the ester ether copolymer is an ester ether copolymerized diol obtained by copolymerization of polyester polyol, polyether diol and adipic acid, the hydroxyl value is 27-37mgKOH/g, and the polyisocyanate is isophorone diisocyanate.
In the above embodiments, the aqueous additive is composed of the following raw materials in parts by weight: 4.3 parts of water-based polyurethane gloss oil, 0.06 part of water-based thickening agent, 0.04 part of water-based leveling agent, 0.3 part of water-based cross-linking agent, 0.1 part of organic silicon hand feeling agent and 0.2 part of organic silicon softening agent.
4.3 parts of water-based polyurethane gloss oil, 0.06 part of water-based thickening agent, 0.04 part of water-based leveling agent and 0.3 part of water-based crosslinking agent are added at the same time and mixed, after stirring for 15-20 minutes, 0.1 part of organic silicon hand feeling agent and 0.2 part of organic silicon softening agent are added, stirring is carried out at a high speed for 2-3 minutes, and standing is carried out for 10-15 minutes, so that the softness and hand feeling of the water-based microfiber non-woven fabric can be enhanced.
In the above embodiment, the water is distilled water.
Example 3:
the water-based microfiber non-woven fabric capable of replacing dermis comprises microfiber non-woven fabric, a bottom layer and a surface layer, wherein the bottom layer covers the microfiber non-woven fabric, and the surface layer covers the bottom layer, and the bottom layer is composed of the following raw materials in parts by weight: 100 parts of waterborne polyurethane emulsion, 36 parts of dimethylformamide, 35 parts of polymer particles, 85 parts of deionized water, 1 part of cell regulator and 0.5 part of antifouling auxiliary agent.
A preparation method of a water-based microfiber non-woven fabric capable of replacing dermis comprises the following steps:
producing a non-woven fabric to obtain the non-woven fabric;
wet-process blank making, namely soaking the non-woven fabric in the bottom layer slurry of the bottom layer to prepare a bottom blank;
dry facing, namely sequentially coating and scraping surface layer slurry on the surface of the carrier to generate the surface layer;
attaching one side of the surface layer to the bottom blank, drying, cooling and peeling to generate a water-based microfiber non-woven fabric capable of replacing genuine leather;
wherein, wet-process blank preparation is to mix 100 parts of waterborne polyurethane emulsion, 36 parts of dimethylformamide, 35 parts of polymer particles, 85 parts of deionized water, 1 part of foam pore regulator and 0.5 part of antifouling auxiliary agent to obtain slurry; dipping the non-woven fabric into the slurry containing the polymer particles, and then scraping the resin on the surface of the non-woven fabric to obtain a dipped base fabric; putting the dipped base fabric into toluene for decrement to obtain a base blank; sequentially dyeing, oiling, grinding and dry veneering.
In the above embodiment, the surface layer is a coating formed by coating and scraping slurry, and the slurry of the surface layer is composed of the following raw materials in parts by weight: 90 parts of waterborne polyurethane resin, 15 parts of water and 3 parts of waterborne auxiliary agent.
In the above embodiment, the aqueous polyurethane resin comprises the following raw materials in parts by weight: 16 parts of polytetrahydrofuran dihydric alcohol, 9 parts of ester ether copolymer, 4 parts of chain extender, 11 parts of polyisocyanate, 2 parts of salt forming agent, 1.5 parts of organic bismuth catalyst, 3 parts of acetone, 40 parts of water, 0.8 part of thickener and 0.7 part of defoaming agent.
Putting 16 parts of polytetrahydrofuran diol, 1.5 parts of organic bismuth catalyst, 40 parts of water and 9 parts of ester ether copolymer into a reaction kettle with stirring, temperature control equipment and a jacket heating device, heating, vacuum dehydrating, cooling to 40-50 ℃, adding 4 parts of chain extender, 11 parts of polyisocyanate and 3 parts of acetone for reaction, cooling to 40-50 ℃, adding 2 parts of salt forming agent, emulsifying the obtained resin in water, distilling under reduced pressure to remove acetone, adding 0.8 part of thickener and 0.7 part of defoamer, and obtaining the waterborne polyurethane resin.
In the above embodiment, the chain extender is a mixture of ethylene glycol and isophorone diamine, the ester ether copolymer is an ester ether copolymerized diol obtained by copolymerization of polyester polyol, polyether diol and adipic acid, the hydroxyl value is 27-37mgKOH/g, and the polyisocyanate is isophorone diisocyanate.
In the above embodiments, the aqueous additive is composed of the following raw materials in parts by weight: 2.5 parts of water-based polyurethane gloss oil, 0.04 part of water-based thickening agent, 0.03 part of water-based leveling agent, 0.25 part of water-based cross-linking agent, 0.07 part of organic silicon hand feeling agent and 0.15 part of organic silicon softening agent.
Firstly, simultaneously adding 2.5 parts of water-based polyurethane gloss oil, 0.04 part of water-based thickening agent, 0.03 part of water-based leveling agent and 0.25 part of water-based cross-linking agent, mixing, stirring for 15-20 minutes, then adding 0.07 part of organic silicon hand feeling agent and 0.15 part of organic silicon softening agent, stirring at high speed for 2-3 minutes, standing for 10-15 minutes, and enhancing the softness and hand feeling of the water-based microfiber non-woven fabric.
In the above embodiment, the water is distilled water.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims (6)

1. The utility model provides a but aqueous microfiber non-woven fabrics of alternative genuine leather, includes microfiber non-woven fabrics, covers bottom on the microfiber non-woven fabrics, and cover the surface course on the bottom, its characterized in that: the bottom layer comprises the following raw materials in parts by weight: 100 parts of aqueous polyurethane emulsion, 35-38 parts of dimethylformamide, 30-40 parts of polymer particles, 20-150 parts of deionized water, 0.1-2.0 parts of cell regulator and 0.2-0.8 part of antifouling auxiliary agent.
2. The aqueous microfiber non-woven fabric capable of replacing dermis according to claim 1, wherein: the surface layer is a coating formed by coating and scraping slurry, and the slurry of the surface layer comprises the following raw materials in parts by weight: 80-100 parts of waterborne polyurethane resin, 10-20 parts of water and 1-5 parts of waterborne auxiliary agent.
3. The aqueous microfiber non-woven fabric capable of replacing dermis according to claim 2, wherein: the waterborne polyurethane resin consists of the following raw materials in parts by weight: 15-17 parts of polytetrahydrofuran diol, 8-10 parts of ester ether copolymer, 3-5 parts of chain extender, 10-12 parts of polyisocyanate, 1-3 parts of salt forming agent, 1-2 parts of organic bismuth catalyst, 2-4 parts of acetone, 38-43 parts of water, 0.5-1 part of thickener and 0.5-1 part of defoamer.
4. The aqueous microfiber non-woven fabric capable of replacing dermis according to claim 3, wherein: the chain extender is a mixture of ethylene glycol and isophorone diamine, the ester ether copolymer is ester ether copolymerized dihydric alcohol obtained by copolymerization of polyester polyol, polyether dihydric alcohol and adipic acid, the hydroxyl value is 27-37mgKOH/g, and the polyisocyanate is isophorone diisocyanate.
5. The aqueous microfiber non-woven fabric capable of replacing dermis according to claim 2, wherein: the water-based auxiliary agent comprises the following raw materials in parts by weight: 0.6-4.3 parts of water-based polyurethane gloss oil, 0.03-0.06 part of water-based thickening agent, 0.02-0.04 part of water-based leveling agent, 0.2-0.3 part of water-based cross-linking agent, 0.05-0.1 part of organic silicon hand feeling agent and 0.1-0.2 part of organic silicon softening agent.
6. The aqueous microfiber non-woven fabric capable of replacing dermis according to claim 2, wherein: the water is distilled water.
CN201910910330.7A 2019-09-25 2019-09-25 Water-based microfiber non-woven fabric capable of replacing genuine leather Pending CN110607694A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910910330.7A CN110607694A (en) 2019-09-25 2019-09-25 Water-based microfiber non-woven fabric capable of replacing genuine leather

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910910330.7A CN110607694A (en) 2019-09-25 2019-09-25 Water-based microfiber non-woven fabric capable of replacing genuine leather

Publications (1)

Publication Number Publication Date
CN110607694A true CN110607694A (en) 2019-12-24

Family

ID=68893057

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201910910330.7A Pending CN110607694A (en) 2019-09-25 2019-09-25 Water-based microfiber non-woven fabric capable of replacing genuine leather

Country Status (1)

Country Link
CN (1) CN110607694A (en)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102383316A (en) * 2011-08-15 2012-03-21 浙江科一合成革有限公司 Micro-fiber environment-friendly water-base synthetic leather and preparation method thereof
CN103556489A (en) * 2013-09-29 2014-02-05 福建华阳超纤有限公司 Automobile microfiber leather preparation method
CN104479102A (en) * 2014-12-19 2015-04-01 江苏华大新材料有限公司 Environment-friendly polyurethane clothing leather and preparation method thereof
CN106496514A (en) * 2016-09-22 2017-03-15 南通万顺化工科技有限公司 A kind of waterborne polyurethane resin
CN106702760A (en) * 2016-12-14 2017-05-24 上海华峰超纤材料股份有限公司 Waterborne polyurethane superfine fiber synthetic leather original base fabric and preparation method thereof

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102383316A (en) * 2011-08-15 2012-03-21 浙江科一合成革有限公司 Micro-fiber environment-friendly water-base synthetic leather and preparation method thereof
CN103556489A (en) * 2013-09-29 2014-02-05 福建华阳超纤有限公司 Automobile microfiber leather preparation method
CN104479102A (en) * 2014-12-19 2015-04-01 江苏华大新材料有限公司 Environment-friendly polyurethane clothing leather and preparation method thereof
CN106496514A (en) * 2016-09-22 2017-03-15 南通万顺化工科技有限公司 A kind of waterborne polyurethane resin
CN106702760A (en) * 2016-12-14 2017-05-24 上海华峰超纤材料股份有限公司 Waterborne polyurethane superfine fiber synthetic leather original base fabric and preparation method thereof

Similar Documents

Publication Publication Date Title
CN110982029B (en) Waterborne polyurethane resin emulsion for waterborne space leather base and preparation method thereof, waterborne space leather base and preparation method thereof
CN105732938B (en) A kind of preparation method of polyester polyether type aqueous polyurethane leather finishing agent
CN104611933B (en) A kind of preparation method of high hydrostatic pressure resistance Waterborne Polyurethane Fabric Coatings
CN103015185A (en) Wear-resistant superfine fiber napped leather and preparation method thereof
CN104153204A (en) Roller coating type preparation method and device for solvent-free two-component polyurethane synthetic leather as well as prepared synthetic leather
WO2018099150A1 (en) Aqueous double-sided-suede microfiber pu synthetic leather and preparation method therefor
CN104893537B (en) A kind of production technology of the aqueous polyurethane coating with high tensile force coated film
CN113622201B (en) Polyurethane synthetic leather with high moisture absorption and air permeability and preparation method thereof
CN115354505A (en) Bio-based solvent-free polyurethane surface layer resin for synthetic leather and preparation method thereof
CN113338051A (en) Preparation method of solvent-free waterborne polyurethane microfiber synthetic leather with high R value
CN112746506A (en) Stain-resistant artificial leather with high skin-permeable feeling and preparation method thereof
CN108219103B (en) Waterborne polyurethane resin and preparation method and application thereof
CN115197395A (en) Aqueous polyurethane for impregnation of microfiber leather and preparation method and application thereof
CN111072914A (en) High-solid-content polyurethane resin, impregnating slurry and application thereof
CN114164679A (en) Stain-resistant and folding-resistant leather product and preparation method thereof
CN110607694A (en) Water-based microfiber non-woven fabric capable of replacing genuine leather
CN110117912B (en) Waterborne polyurethane for microfiber bass
CN111101384A (en) Preparation method of super-hydrophobic ecological environment-friendly microfiber leather
CN111020071A (en) Steering wheel curtain coating composite leather and preparation method thereof
CN113402691B (en) Modified waterborne polyurethane and preparation method and application thereof
CN114481644B (en) Waterborne polyurethane synthetic leather and preparation method thereof
CN111286564B (en) Real leather for leather bags and finishing method thereof
CN112961307B (en) Solvent-free polyurethane resin, impregnation slurry, and preparation method and application thereof
CN112900107B (en) Waterborne polyurethane/organic silicon composite mirror leather and preparation method thereof
CN114085351A (en) Composition for preparing waterborne polyurethane, preparation method and application of waterborne polyurethane, and method for preparing microfiber leather

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination