CN108608709A - A kind of baseball bat handle sizing material - Google Patents

A kind of baseball bat handle sizing material Download PDF

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Publication number
CN108608709A
CN108608709A CN201810473870.9A CN201810473870A CN108608709A CN 108608709 A CN108608709 A CN 108608709A CN 201810473870 A CN201810473870 A CN 201810473870A CN 108608709 A CN108608709 A CN 108608709A
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Prior art keywords
parts
agent
baseball bat
polyurethane resin
raw material
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Pending
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CN201810473870.9A
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Chinese (zh)
Inventor
周良正
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Zheng Mu Aluminum Science And Technology Ltd Of Tianzhang City
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Zheng Mu Aluminum Science And Technology Ltd Of Tianzhang City
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Priority to CN201810473870.9A priority Critical patent/CN108608709A/en
Publication of CN108608709A publication Critical patent/CN108608709A/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/40—Layered products comprising a layer of synthetic resin comprising polyurethanes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B27/065—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material of foam
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/18—Layered products comprising a layer of synthetic resin characterised by the use of special additives
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/18—Layered products comprising a layer of synthetic resin characterised by the use of special additives
    • B32B27/20—Layered products comprising a layer of synthetic resin characterised by the use of special additives using fillers, pigments, thixotroping agents
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
    • C08J9/0061—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof characterized by the use of several polymeric components
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
    • C08J9/0066—Use of inorganic compounding ingredients
    • C08J9/0071—Nanosized fillers, i.e. having at least one dimension below 100 nanometers
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
    • C08J9/32—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof from compositions containing microballoons, e.g. syntactic foams
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L75/00—Compositions of polyureas or polyurethanes; Compositions of derivatives of such polymers
    • C08L75/04—Polyurethanes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2266/00—Composition of foam
    • B32B2266/02—Organic
    • B32B2266/0214—Materials belonging to B32B27/00
    • B32B2266/0278—Polyurethane
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/50—Properties of the layers or laminate having particular mechanical properties
    • B32B2307/554—Wear resistance
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/50—Properties of the layers or laminate having particular mechanical properties
    • B32B2307/582—Tearability
    • B32B2307/5825—Tear resistant
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/70—Other properties
    • B32B2307/724—Permeability to gases, adsorption
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/70—Other properties
    • B32B2307/726—Permeability to liquids, absorption
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/70—Other properties
    • B32B2307/744—Non-slip, anti-slip
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2375/00—Characterised by the use of polyureas or polyurethanes; Derivatives of such polymers
    • C08J2375/04—Polyurethanes
    • C08J2375/08—Polyurethanes from polyethers
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2433/00—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Derivatives of such polymers
    • C08J2433/04—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Derivatives of such polymers esters
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K2201/00—Specific properties of additives
    • C08K2201/011—Nanostructured additives
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/34—Silicon-containing compounds
    • C08K3/36—Silica
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K7/00—Use of ingredients characterised by shape
    • C08K7/22—Expanded, porous or hollow particles
    • C08K7/24—Expanded, porous or hollow particles inorganic
    • C08K7/26—Silicon- containing compounds
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00—Polymer mixtures characterised by other features
    • C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
    • C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00—Polymer mixtures characterised by other features
    • C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
    • C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Nanotechnology (AREA)
  • Inorganic Chemistry (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)

Abstract

The invention discloses a kind of baseball bat handle sizing material, raw material includes：Capstock, foaming bottom layered material；Wherein, capstock raw material includes：Waterborne, polycarbonate type polyurethane resin, polyurethane thickener, antifoaming agent, wetting agent, hand feeling agent；Foaming bottom layered material raw material includes：Aqueous polyether polyurethane resin, polyacrylic ester thickener, filler, foaming agent, crosslinking agent.The handle sizing material of the present invention has the characteristics that wear-resisting and breathable moisture permeability is excellent, good hand touch, and air-moisture-permeable effect is good, is suitble to baseball bat use.

Description

A kind of baseball bat handle sizing material
Technical field
The present invention relates to polyurethane material technical field more particularly to a kind of baseball bat handle sizing materials.
Background technology
Baseball bat is the ear of maize that batter is used for batting in baseball game, and cylinder, stick face is smoothly without section connector.Mesh Before, baseball bat is commonly used using the baseball bat of metal material as mainstream, and the both ends of metal bar must seal, and stick length must not exceed 1.07 Rice, thickness diameter must not exceed 7 centimetres, and the stick cap end of hold rod part can be no more than with diameter for 2.45 centimetres.For ease of Hold rod, cloth, rubberized tape or rubber looping can be used by being risen in the length to 45.7 centimetres in one end of hold rod.However, with cloth, glue Strap or rubber are poor as the wear-resisting, anti-skidding of baseball bat handle looping material, hand feel performance, cannot meet people's demand.
Invention content
Technical problems based on background technology, the present invention propose a kind of baseball bat handle sizing material, have feel The characteristics of good, wear-resisting, anti-skidding, ventilative moisture-inhibiting.
The present invention proposes that a kind of baseball bat handle sizing material, raw material include by weight：20-40 parts of capstock, foaming 60-80 parts of underlying material；Wherein, capstock raw material includes by weight：80-120 parts of waterborne, polycarbonate type polyurethane resin is gathered 1.5-3.5 parts of urethane thickener, 1-1.5 parts of antifoaming agent, 0.8-1.6 parts of wetting agent, 0.5-2 parts of hand feeling agent；Foaming bottom layered material is former Material include by weight：80-120 parts of aqueous polyether polyurethane resin, 2-4 parts of polyacrylic ester thickener, 3-6 parts of filler, 3-6 parts of foaming agent, 1.5-4.5 parts of crosslinking agent.
Preferably, the solid content of waterborne, polycarbonate type polyurethane resin is 40-60%, aqueous polyether polyurethane resin Solid content be 30-60%.
Preferably, antifoaming agent is polyoxyethylene polyoxy propyl alcohol amidogen ether and/or dimethyl silicone polymer.
Preferably, wetting agent is aliphatic ester sulfate and/or polyoxyethylated alkyl phenol.
Preferably, filler is Nano carbon white and/or nano diatomite.
Preferably, foaming agent is microballoon foam powder, preferably loose this microballoon foam powder.
Preferably, crosslinking agent is carbodiimides and/or aziridine.
Preferably, capstock raw material includes by weight：95-105 parts of waterborne, polycarbonate type polyurethane resin, polyurethane 2-3 parts of thickener, 1.2-1.4 parts of antifoaming agent, 1.0-1.4 parts of wetting agent, 1.0-1.5 parts of hand feeling agent；Foaming bottom layered material raw material is pressed Parts by weight include：90-110 parts of aqueous polyether polyurethane resin, 2.5-3.5 parts of polyacrylic ester thickener, 4-5 parts of filler, 4-5 parts of foaming agent, 2-3 parts of crosslinking agent.
The present invention is using waterborne, polycarbonate type polyurethane resin as base-material, cooperation polyurethane thickener, antifoaming agent, wetting Handle sizing material capstock is made in agent, hand feeling agent, using aqueous polyether polyurethane resin as base-material, cooperation polyacrylate thickening Handle sizing material foaming bottom layered material is made in agent, filler, foaming agent, crosslinking agent, wherein waterborne, polycarbonate type polyurethane resin it is resistance to Mill, anti-oxidant, tear resistance is excellent, good hand touch, ventilative moisture-inhibiting；The water resistance of aqueous polyether polyurethane resin is good, Soft, the foaming effect of foaming agent is remarkably improved the breathable moisture permeability of underlying material, and there is filler support well to make With improving the voluptuousness of underlying material, crosslinking agent promotes the crosslinking of aqueous polyether polyurethane molecular resin chain in foaming process, improves The intensity of underlying material；For the present invention using waterborne polyurethane resin as face bottom material raw material, handle sizing material is made in compounding aid, has wear-resisting With the characteristics of breathable moisture permeability is excellent, good hand touch, baseball bat is suitble to use.
Specific implementation mode
In the following, technical scheme of the present invention is described in detail by specific embodiment.
Embodiment 1
A kind of baseball bat handle sizing material, raw material include by weight：20 parts of capstock, 60 parts of foaming bottom layered material；Its In, capstock raw material includes by weight：19.1 parts of the waterborne, polycarbonate type polyurethane resin that solid content is 40%, polyurethane 0.35 part of thickener, 0.24 part of polyoxyethylene polyoxy propyl alcohol amidogen ether, 0.2 part of aliphatic ester sulfate, 0.11 part of hand feeling agent；Foaming Underlying material raw material includes by weight：Solid content is 30% 53.6 parts of aqueous polyether polyurethane resin, polyacrylate thickening 1.3 parts of agent, 2 parts of Nano carbon white, 2 parts of microballoon foam powder, 1.1 parts of carbodiimides.
Embodiment 2
A kind of baseball bat handle sizing material, raw material include by weight：40 parts of capstock, 80 parts of foaming bottom layered material；Its In, capstock raw material includes by weight：37.32 parts of the waterborne, polycarbonate type polyurethane resin that solid content is 60%, poly- ammonia 1.1 parts of ester thickener, 0.47 part of dimethyl silicone polymer, 0.5 part of polyoxyethylated alkyl phenol, 0.61 part of hand feeling agent；Foaming bottom Layered material raw material includes by weight：Solid content is 60% 68.33 parts of aqueous polyether polyurethane resin, polyacrylic ester thickener 2.28 parts, 3.42 parts of nano diatomite, 3.42 parts of microballoon foam powder, 2.55 parts of aziridine.
Embodiment 3
A kind of baseball bat handle sizing material, raw material include by weight：25 parts of capstock, 75 parts of foaming bottom layered material；Its In, capstock raw material includes by weight：23.5 parts of the waterborne, polycarbonate type polyurethane resin that solid content is 45%, polyurethane 0.59 part of thickener, 0.28 part of polyoxyethylene polyoxy propyl alcohol amidogen ether, 0.28 part of aliphatic ester sulfate, 0.35 part of hand feeling agent；Hair Steep underlying material raw material includes by weight：Solid content is 40% 65.22 parts of aqueous polyether polyurethane resin, and polyacrylate increases Thick dose 1.96 parts, 2.93 parts of Nano carbon white, 2.93 parts of microballoon foam powder, 1.96 parts of carbodiimides.
Embodiment 4
A kind of baseball bat handle sizing material, raw material include by weight：35 parts of capstock, 65 parts of foaming bottom layered material；Its In, capstock raw material includes by weight：33 parts of the waterborne, polycarbonate type polyurethane resin that solid content is 55%, polyurethane Thick dose 0.74 part, 0.51 part of dimethyl silicone polymer, 0.37 part of polyoxyethylated alkyl phenol, 0.38 part of hand feeling agent；Foamed bottom layer Expect that raw material includes by weight：Solid content is 50% 57.2 parts of aqueous polyether polyurethane resin, polyacrylic ester thickener 1.82 parts, 2.08 parts of nano diatomite, 2.08 parts of microballoon foam powder, 1.82 parts of aziridine.
Handle sizing material is made in embodiment 1-4 to be coated in base fabric, is tested through wear-resisting, moisture-inhibiting and feel, data measured is such as The following table 1：
Table 1
Project Wear-resisting property 1kg/500r Vapor transfer rate g/ (m2×24h) Feel
Embodiment 1 Surface is without abrasion 5000 It is soft
Embodiment 2 Surface is without abrasion 4900 It is soft
Embodiment 3 Surface is without abrasion 4950 It is soft
Embodiment 4 Surface is without abrasion 4970 It is soft
By the way that the wear-resisting property of the handle sizing material of the present invention known to upper table is excellent, vapor transfer rate is big, soft.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto, Any one skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.

Claims (8)

1. a kind of baseball bat handle sizing material, which is characterized in that its raw material includes by weight：20-40 parts of capstock, foaming bottom 60-80 parts of layered material；Wherein, capstock raw material includes by weight：80-120 parts of waterborne, polycarbonate type polyurethane resin, poly- ammonia 1.5-3.5 parts of ester thickener, 1-1.5 parts of antifoaming agent, 0.8-1.6 parts of wetting agent, 0.5-2 parts of hand feeling agent；Foaming bottom layered material raw material Include by weight：80-120 parts of aqueous polyether polyurethane resin, 2-4 parts of polyacrylic ester thickener, 3-6 parts of filler, hair 3-6 parts of infusion, 1.5-4.5 parts of crosslinking agent.
2. baseball bat handle sizing material according to claim 1, which is characterized in that waterborne, polycarbonate type polyurethane resin Solid content is 40-60%, and the solid content of aqueous polyether polyurethane resin is 30-60%.
3. baseball bat according to claim 1 or claim 2 handle sizing material, which is characterized in that antifoaming agent is polyoxyethylene polyoxy third Alcohol amidogen ether and/or dimethyl silicone polymer.
4. according to any one of claim 1-3 baseball bat handle sizing materials, which is characterized in that wetting agent is aliphatic ester sulphur Hydrochlorate and/or polyoxyethylated alkyl phenol.
5. according to any one of claim 1-3 baseball bat handle sizing materials, which is characterized in that filler is Nano carbon white And/or nano diatomite.
6. according to any one of claim 1-5 baseball bat handle sizing materials, which is characterized in that foaming agent foams for microballoon Powder, preferably loose this microballoon foam powder.
7. according to any one of claim 1-6 baseball bat handle sizing materials, which is characterized in that crosslinking agent is carbodiimides And/or aziridine.
8. according to any one of claim 1-7 baseball bat handle sizing materials, which is characterized in that capstock raw material is by weight Including：95-105 parts of waterborne, polycarbonate type polyurethane resin, 2-3 parts of polyurethane thickener, 1.2-1.4 parts of antifoaming agent, wetting 1.0-1.4 parts of agent, 1.0-1.5 parts of hand feeling agent；Foaming bottom layered material raw material includes by weight：Aqueous polyether polyurethane resin 90-110 parts, 2.5-3.5 parts of polyacrylic ester thickener, 4-5 parts of filler, 4-5 parts of foaming agent, 2-3 parts of crosslinking agent.
CN201810473870.9A 2018-05-17 2018-05-17 A kind of baseball bat handle sizing material Pending CN108608709A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112029400A (en) * 2020-09-07 2020-12-04 苏州市贝特利高分子材料股份有限公司 Plastic material based on high-wear-resistance water-based elastic coating

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DE2123728A1 (en) * 1971-05-13 1972-11-30 Vereinigte Deutsche Metallwerke Ag, 6000 Frankfurt Plastic table tennis bat - with thermoplastic soft foam covered handle grip and finger gripping surfaces
US3921978A (en) * 1973-10-18 1975-11-25 John E C Warren Game bat
CN1326794A (en) * 2000-06-06 2001-12-19 翰柏企业股份有限公司 Handle protective belt with anti-slip particles on surface
CN2495337Y (en) * 2001-08-30 2002-06-19 翰柏企业股份有限公司 Handle belt of golf club
CN101077494A (en) * 2006-05-22 2007-11-28 黄大本 Decorative golf club grip
CN101138901A (en) * 2007-08-17 2008-03-12 晋江峰安皮业有限公司 Method of preparing baseball surfacing material
CN102409554A (en) * 2011-09-16 2012-04-11 东台市富安合成材料有限公司 Manufacturing technology of foaming synthetic leather based on waterborne polyurethane
CN102504688A (en) * 2011-11-23 2012-06-20 烟台万华聚氨酯股份有限公司 Water-borne polyurethane foam layer for synthetic leather and preparation method for water-borne polyurethane foam layer
CN106087457A (en) * 2016-07-29 2016-11-09 嘉兴金州聚合材料有限公司 A kind of aqueous foaming raincoat leather
CN106118034A (en) * 2016-08-16 2016-11-16 合肥科天水性科技有限责任公司 A kind of dry method clothing leather bass and preparation technology thereof
CN107299539A (en) * 2017-06-21 2017-10-27 合肥科天水性科技有限责任公司 A kind of aqueous polyurethane wet method automobile leather and preparation method thereof

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2123728A1 (en) * 1971-05-13 1972-11-30 Vereinigte Deutsche Metallwerke Ag, 6000 Frankfurt Plastic table tennis bat - with thermoplastic soft foam covered handle grip and finger gripping surfaces
US3921978A (en) * 1973-10-18 1975-11-25 John E C Warren Game bat
CN1326794A (en) * 2000-06-06 2001-12-19 翰柏企业股份有限公司 Handle protective belt with anti-slip particles on surface
CN2495337Y (en) * 2001-08-30 2002-06-19 翰柏企业股份有限公司 Handle belt of golf club
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Application publication date: 20181002