CN106366969A - Preparation method of polyethylene anticorrosive adhesive tape for underground pipeline - Google Patents

Preparation method of polyethylene anticorrosive adhesive tape for underground pipeline Download PDF

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Publication number
CN106366969A
CN106366969A CN201610776185.4A CN201610776185A CN106366969A CN 106366969 A CN106366969 A CN 106366969A CN 201610776185 A CN201610776185 A CN 201610776185A CN 106366969 A CN106366969 A CN 106366969A
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Prior art keywords
parts
preparation
polyethylene
adhesive
adhesive tape
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曹务全
张深瑞
姚相华
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JINING XUNDA PIPE COATING MATERIALS Co Ltd
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JINING XUNDA PIPE COATING MATERIALS Co Ltd
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Priority to CN201610776185.4A priority Critical patent/CN106366969A/en
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    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
    • C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
    • C08L23/04—Homopolymers or copolymers of ethene
    • C08L23/06—Polyethene
    • 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
    • C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
    • C08J5/18—Manufacture of films or sheets
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
    • C09J11/02—Non-macromolecular additives
    • C09J11/04—Non-macromolecular additives inorganic
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
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    • C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
    • C09J11/02—Non-macromolecular additives
    • C09J11/06—Non-macromolecular additives organic
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    • C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
    • C09J11/08—Macromolecular additives
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    • C09J123/00—Adhesives based on homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Adhesives based on derivatives of such polymers
    • C09J123/02—Adhesives based on homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Adhesives based on derivatives of such polymers not modified by chemical after-treatment
    • C09J123/18—Homopolymers or copolymers of hydrocarbons having four or more carbon atoms
    • C09J123/20—Homopolymers or copolymers of hydrocarbons having four or more carbon atoms having four to nine carbon atoms
    • C09J123/22—Copolymers of isobutene; Butyl rubber ; Homo- or copolymers of other iso-olefines
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    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
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    • C09J163/00—Adhesives based on epoxy resins; Adhesives based on derivatives of epoxy resins
    • 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
    • C08J2323/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
    • C08J2323/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
    • C08J2323/04—Homopolymers or copolymers of ethene
    • C08J2323/06—Polyethene
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    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2423/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
    • C08J2423/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
    • C08J2423/04—Homopolymers or copolymers of ethene
    • C08J2423/06—Polyethene
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    • 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
    • C08K2201/014—Additives containing two or more different additives of the same subgroup in C08K
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2201/00—Properties
    • C08L2201/08—Stabilised against heat, light or radiation or oxydation
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2203/00—Applications
    • C08L2203/16—Applications used for films
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    • 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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    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2207/00—Properties characterising the ingredient of the composition
    • C08L2207/06—Properties of polyethylene
    • C08L2207/062—HDPE
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    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J2301/00—Additional features of adhesives in the form of films or foils
    • C09J2301/10—Additional features of adhesives in the form of films or foils characterized by the structural features of the adhesive tape or sheet
    • C09J2301/12—Additional features of adhesives in the form of films or foils characterized by the structural features of the adhesive tape or sheet by the arrangement of layers
    • C09J2301/122—Additional features of adhesives in the form of films or foils characterized by the structural features of the adhesive tape or sheet by the arrangement of layers the adhesive layer being present only on one side of the carrier, e.g. single-sided adhesive tape
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    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
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    • C09J2301/00—Additional features of adhesives in the form of films or foils
    • C09J2301/40—Additional features of adhesives in the form of films or foils characterized by the presence of essential components
    • C09J2301/408—Additional features of adhesives in the form of films or foils characterized by the presence of essential components additives as essential feature of the adhesive layer
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    • C09J2301/00—Additional features of adhesives in the form of films or foils
    • C09J2301/40—Additional features of adhesives in the form of films or foils characterized by the presence of essential components
    • C09J2301/41—Additional features of adhesives in the form of films or foils characterized by the presence of essential components additives as essential feature of the carrier layer
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    • C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J2301/00—Additional features of adhesives in the form of films or foils
    • C09J2301/40—Additional features of adhesives in the form of films or foils characterized by the presence of essential components
    • C09J2301/414—Additional features of adhesives in the form of films or foils characterized by the presence of essential components presence of a copolymer
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    • C09J2409/00—Presence of diene rubber
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    • C09J2423/00—Presence of polyolefin
    • C09J2423/04—Presence of homo or copolymers of ethene
    • C09J2423/046—Presence of homo or copolymers of ethene in the substrate
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    • C09J2463/00—Presence of epoxy resin
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  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Materials Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Adhesive Tapes (AREA)
  • Adhesives Or Adhesive Processes (AREA)

Abstract

The invention discloses a preparation method of a polyethylene anticorrosive adhesive tape for an underground pipeline. The method comprises the steps of taking all components of a polyvinyl base film, evenly mixing the components, putting the mixture into an extruder, and extruding at the temperature of 150-180 DEG C to obtain the polyvinyl base film; taking all components of an adhesive layer, and kneading the components at the temperature of 140-180 DEG C to obtain glue paste; putting the obtained glue paste into the extruder, and carrying out melt extrusion to obtain an adhesive; melting the adhesive under a heating condition, and coating the polyvinyl base film with the melted adhesive to obtain the polyethylene anticorrosive adhesive tape for the underground pipeline. The preparation method of the anticorrosive adhesive tape is simple and easy to implement, the anticorrosive adhesive tape has good tensile strength and elongation at break, and is high in peel strength and thermal ageing resistance rate as well as good in corrosion resistance, thus being suitable for the underground pipeline.

Description

A kind of preparation method of underground piping polythene anticorrosive adhesive tape
Technical field
The present invention relates to a kind of preparation method of anticorrosion adhesive tape is and in particular to a kind of underground piping polythene anticorrosive adhesive tape Preparation method.
Background technology
In recent years, with China's oil chemical industry develop rapidly and urban public utilities construction speed raising, China The construction of underground metal pipes is also in development at full speed.Because underground piping major part is all metal material, on soil and antibacterial It is highly susceptible under acting on etc. factor corrode.Corrosion of underground pipeline gives people class and social environment can bring huge economic loss and Social safety, the construction of therefore new pipeline and the maintenance of existing pipeline, propose important task to antiseptic project.
At present, the anti-corrosion of underground piping mainly brings realization by dope, and polythene anticorrosive adhesive tape is conventional one kind Underground piping anticorrosion adhesive tape.The protective system of polythene anticorrosive adhesive tape is: priming paint+anticorrosion belt+protection band, Specific construction technique Generally include following steps: the process of substrate surface, apply priming, twine adhesive tape.Polyethylene tape has good shock resistance energy Power and static-pressure-resisting, but its anti-soil stress is bad, leads to cohesive force to decline, bubbles, affects antiseptic property.
Content of the invention
In view of the shortcomings of the prior art, the invention provides a kind of preparation of underground piping polythene anticorrosive adhesive tape Method, the method is prepared simple, easy to implement, and products obtained therefrom has good mechanics and antiseptic property, and suitable underground piping makes With.
Concrete technical scheme of the present invention is as follows:
A kind of preparation method of underground piping polythene anticorrosive adhesive tape, this anticorrosion adhesive tape by polyethylene based film and is coated on poly- second The epilamellar gluing oxidant layer composition of alkene, its preparation method comprises the following steps:
(1) raw material of polyethylene based film: the high-density polyethylene of relative molecular mass 60,000-10 ten thousand is weighed by following percentage by weight The high density polyethylene (HDPE) 5-15% of alkene 50-70%, chlorosulfonated polyethylene 15-30%, relative molecular mass 20-30 ten thousand, molecular weight 150- The shitosan 5-10% of 250kda, dioctyl adipate 1-5%；
(2) by above-mentioned each raw material mix homogeneously, it is subsequently adding in extruder, extrude at 150-180 DEG C, obtain polyethylene based film；
(3) each raw material of adhesive: butyl rubber 30-45 part, nitrile rubber 10-15 part, polyurethane is weighed by following weight portion Acrylate 15-25 part, epoxy resin 25-35 part, 1,6 hexanediol diacrylate 10-15 part, frp garbage (80-120 Mesh) 5-10 part, stearic acid pentaerythritol ester 5-10 part, dibutyl phthalate 5-10 part, white carbon black 10-15 part, Graphene 5- 10 parts, expanded perlite 1-5 part, hydroxyethyl cellulose 1-5 part, tetramethylthiuram disulfide 0.5-1 part, polyacrylamide 0.5-3 part, antioxidant 1-3 part；
(4) each component of adhesive is mediated at 140-180 DEG C, obtain clay, described clay is added in extruder, melting is squeezed Go out, obtain adhesive；
(5) adhesive is heated melting, be applied in polyethylene based film, obtain underground piping polythene anticorrosive adhesive tape.
In above-mentioned preparation method, the thickness of polyethylene based film is 0.3-0.4mm.
In above-mentioned preparation method, in step (2), each component mediates 1-2h at 140-180 DEG C.
In above-mentioned preparation method, in step (4), coating weight in polyethylene based film for the adhesive is 300～500g/m3.
In above-mentioned preparation method, each raw material of described polyethylene based film is preferably weighed by following weight percent content: relatively Molecular mass 60,000-10 ten thousand high density polyethylene (HDPE) 62%, chlorosulfonated polyethylene 18%, relative molecular mass 20-30's ten thousand is highly dense Degree polyethylene 10%, the shitosan 8% of molecular weight 150-250kda, dioctyl adipate 2%.
In above-mentioned preparation method, each raw material of described adhesive preferably weighs according to following weight portion: 35 parts of butyl rubber, fourth 12 parts of nitrile rubber, 18 parts of urethane acrylate, 32 parts of epoxy resin, 13 parts of 1,6 hexanediol diacrylate, frp garbage 9 parts, 8 parts of stearic acid pentaerythritol ester, 6 parts of dibutyl phthalate, 12 parts of white carbon black, 7 parts of Graphene, 3 parts of expanded perlite, 2 parts of hydroxyethyl cellulose, 0.6 part of tetramethylthiuram disulfide, 1.5 parts of polyacrylamide, 2 parts of antioxidant.
In above-mentioned preparation method, the trade mark of described chlorosulfonated polyethylene can be csm3550 or csm3570；Described epoxy The trade mark of resin can be e-55 or e-44.
In above-mentioned preparation method, the degree of functionality of described polyacrylate is 1-3, and the viscosity at 25 DEG C is 2000- 8000mpa·s.
In above-mentioned preparation method, the weight average molecular weight of described polyacrylamide is 2,000,000-500 ten thousand.
In above-mentioned preparation method, described frp garbage is waste product or the leftover pieces of fiberglass reinforced plastics (gfrp), its Particle diameter is 80-120 mesh.
In above-mentioned preparation method, described antioxidant is antioxidant 1010 or antioxidant dltp.
Anticorrosion adhesive tape of the present invention is made up of polyethylene based film and compound gluing oxidant layer thereon, and preparation method is simple, easily In enforcement.This anticorrosion adhesive tape has good tensile strength and elongation at break, and peel strength and heat-proof aging rate are high, anti-corrosive properties Can be excellent, it is suitable for underground piping and use.
Specific embodiment
Below by specific embodiment, the present invention is further described, it should be understood, however, that, these embodiments It is only used for specifically describing in more detail and is used, and be not to be construed as limiting in any form the present invention.
In following embodiments, each raw material used all can commercially obtain.For example, the trade mark be csm3550 or The chlorosulfonated polyethylene of csm3570 can be purchased from Shanghai Xiu Yuan Chemical Co., Ltd.；The trade mark is the epoxy resin of e-55 or e-44 Beijing De Xinhengda commerce and trade company limited can be purchased from；Polyacrylate can be purchased from Beijing Hua Yi Chemical Co., Ltd.；Poly- ammonia Ester acrylate functionalities are 1-3, and 25 DEG C of viscosity is 2000-8000mpa s, and can help season chemical materialss purchased from Shanghai has Limit company, model can be ut20064, unicrylr-7495、unicrylR-7493 or unicrylIn r-7107 One or more；Polyacrylamide can be purchased from Long Da material for water treatment company limited of Gongyi City；High density polyethylene (HDPE) can be purchased Have from Yuyao City Hua Jia Chemical Co., Ltd., Dongguan City Long Chuan plastic cement company limited, Suzhou Chang Ren engineering plastic Limit company etc..
Embodiment 1
Underground piping polythene anticorrosive adhesive tape of the present invention, by polyethylene based film and the gluing oxidant layer being coated in polyethylene based film Composition；Described polyvinyl film thickness is 0.4mm, is made up of following components in percentage by weight: relative molecular mass 60,000-10 Ten thousand high density polyethylene (HDPE) 62%, chlorosulfonated polyethylene csm3550 18%, the high-density polyethylene of relative molecular mass 20-30 ten thousand Alkene 10%, the shitosan 8% of molecular weight 150-250kda, dioctyl adipate 2%；Described gluing oxidant layer is by the group of following weight portion Divide and make: 35 parts of butyl rubber, 12 parts of nitrile rubber, 18 parts of urethane acrylate, 32 parts of epoxy resin e-55,1,6- are own 13 parts of omega-diol diacrylate, 9 parts of frp garbage (80-120 mesh), 8 parts of stearic acid pentaerythritol ester, phthalic acid two fourth 6 parts of ester, 12 parts of white carbon black, 7 parts of Graphene, 3 parts of expanded perlite, 2 parts of hydroxyethyl cellulose, tetramethylthiuram disulfide 0.6 Part, 1.5 parts of polyacrylamide, 2 parts of antioxidant 1010.Wherein, the degree of functionality of urethane acrylate is 1-3,25 DEG C viscous Spend for 4000-6000mpa s, the weight average molecular weight of polyacrylamide is 2,000,000-300 ten thousand.
Preparation method comprises the following steps:
(1) by proportioning weigh relative molecular mass 60,000-10 ten thousand high density polyethylene (HDPE), chlorosulfonated polyethylene csm3550, phase To the high density polyethylene (HDPE) of molecular mass 20-30 ten thousand, the shitosan of molecular weight 150-250kda, dioctyl adipate, fully mixed Close uniformly, be subsequently adding in extruder, extrude at 150-180 DEG C, obtain polyethylene based film；
(2) leftover pieces of fiberglass reinforced plastics (gfrp) production process or the fiberglass reinforced plastics system scrapped are taken Product, are milled to 80-120 mesh, obtain frp garbage powder；
(3) butyl rubber, nitrile rubber, urethane acrylate, epoxy resin e-55,1,6-HD dipropyl are weighed by proportioning Olefin(e) acid ester, frp garbage powder (80-120 mesh), stearic acid pentaerythritol ester, dibutyl phthalate, white carbon black, Graphene, Expanded perlite, hydroxyethyl cellulose, tetramethylthiuram disulfide, polyacrylamide, antioxidant 1010, add kneader In, mediate 1-2h at 140-180 DEG C, obtain clay；
(4) above-mentioned clay is added in extruder, melt extrude, obtain adhesive；
(5) adhesive is heated to molten condition, is applied in polyethylene based film by automatic coating machine, coating weight is 400g/ m3；
(6) polyethylene based film after coating adhesive is cut into inch strips banding, reel, obtain final product underground piping polythene anticorrosive adhesive tape.
Embodiment 2
Underground piping polythene anticorrosive adhesive tape of the present invention, by polyethylene based film and the gluing oxidant layer being coated in polyethylene based film Composition；Described polyvinyl film thickness is 0.4mm, is made up of following components in percentage by weight: relative molecular mass 60,000-10 Ten thousand high density polyethylene (HDPE) 70%, chlorosulfonated polyethylene csm3570 15%, the high-density polyethylene of relative molecular mass 20-30 ten thousand Alkene 5%, the shitosan 9% of molecular weight 150-250kda, dioctyl adipate 1%；Described gluing oxidant layer is by the component of following weight portion Make: 30 parts of butyl rubber, 15 parts of nitrile rubber, 15 parts of urethane acrylate, 35 parts of epoxy resin e-44,1,6- oneself two 10 parts of alcohol diacrylate, 10 parts of frp garbage (80-120 mesh), 5 parts of stearic acid pentaerythritol ester, dibutyl phthalate 10 parts, 10 parts of white carbon black, 10 parts of Graphene, 1 part of expanded perlite, 5 parts of hydroxyethyl cellulose, tetramethylthiuram disulfide 0.5 Part, 3 parts of polyacrylamide, 1 part of antioxidant 1010.Wherein, the degree of functionality of urethane acrylate is 1-3,25 DEG C of viscosity For 6000-8000mpa s, the weight average molecular weight of polyacrylamide is 3,000,000-400 ten thousand.
Preparation method is with embodiment 1.
Embodiment 3
Underground piping polythene anticorrosive adhesive tape of the present invention, by polyethylene based film and the gluing oxidant layer being coated in polyethylene based film Composition；Described polyvinyl film thickness is 0.4mm, is made up of following components in percentage by weight: relative molecular mass 60,000-10 Ten thousand high density polyethylene (HDPE) 50%, chlorosulfonated polyethylene csm3550 30%, the high-density polyethylene of relative molecular mass 20-30 ten thousand Alkene 10%, the shitosan 5% of molecular weight 150-250kda, dioctyl adipate 5%；Described gluing oxidant layer is by the group of following weight portion Divide and make: 45 parts of butyl rubber, 10 parts of nitrile rubber, 25 parts of urethane acrylate, 25 parts of epoxy resin e-55,1,6- are own 15 parts of omega-diol diacrylate, 5 parts of frp garbage (80-120 mesh), 10 parts of stearic acid pentaerythritol ester, phthalic acid two fourth 5 parts of ester, 15 parts of white carbon black, 5 parts of Graphene, 5 parts of expanded perlite, 1 part of hydroxyethyl cellulose, 1 part of tetramethylthiuram disulfide, 0.5 part of polyacrylamide, 3 parts of antioxidant dltp.Wherein, the degree of functionality of urethane acrylate is 1-3,25 DEG C of viscosity For 2000-4000mpa s, the weight average molecular weight of polyacrylamide is 4,000,000-500 ten thousand.
Preparation method is with embodiment 1.
Comparative example 1
Formula and method according to embodiment 1 prepare underground piping polythene anticorrosive adhesive tape, except for the difference that: in gluing oxidant layer not Containing urethane acrylate, Graphene, polyacrylamide, that is, adhesive layer weight part group is divided into: 35 parts of butyl rubber, butyronitrile rubber 12 parts of glue, 32 parts of epoxy resin e-55,13 parts of 1,6 hexanediol diacrylate, 9 parts of frp garbage (80-120 mesh), Hard Fat 8 parts of sour pentaerythritol ester, 6 parts of dibutyl phthalate, 12 parts of white carbon black, 3 parts of expanded perlite, 2 parts of hydroxyethyl cellulose, two 0.6 part of tetra methylthiuram of sulfuration, 2 parts of antioxidant 1010.
Comparative example 2
Underground piping polythene anticorrosive adhesive tape is made up of with the gluing oxidant layer being coated in polyethylene based film polyethylene based film；Institute Stating polyethylene based film for relative density is 0.941 ~ 0.965 high density polyethylene (HDPE) sheet material, and thickness is 0.4mm；Described adhesive Layer is with embodiment 1.
Preparation method comprises the following steps:
(1) adhesive is obtained according to the method for embodiment 1；
(2) adhesive is heated to molten condition, is applied on high density polyethylene (HDPE) sheet material by automatic coating machine, coating weight is 400g/m3；
(3) polyethylene based film after coating adhesive is cut into inch strips banding, reel, obtain final product underground piping polythene anticorrosive adhesive tape.
In order to verify the performance of anticorrosion adhesive tape of the present invention, carry out following test:
1st, acid and alkali resistance, salt corrosion test
Choose smooth rustless low carbon steel strip (specification: 200mm × 25mm × 6mm), be respectively coated by the anti-of embodiment and comparative example Rotten adhesive tape, the low carbon steel strip after cladding anticorrosion adhesive tape is soaked in 10%hcl, 10%naoh, 10%nacl solution respectively, and keeps Temperature 60 C, observes the change of its surface after 10d.Result see table 1.
Table 1
2nd, Mechanics Performance Testing
Respectively detection embodiment and comparative example described in anticorrosion adhesive tape tensile strength mpa(gb/t1040), elongation at break (gb/t1040), peel strength n/cm(gb/t2792), heat-proof aging conservation rate %(gb/t7141), result see table 2.
Table 2

Claims (10)

1. a kind of preparation method of underground piping polythene anticorrosive adhesive tape, is characterized in that: described anticorrosion adhesive tape is by polyvinyl Film and the gluing oxidant layer being coated in polyethylene based film form；Its preparation method comprises the following steps:
(1) raw material of polyethylene based film: the high-density polyethylene of relative molecular mass 60,000-10 ten thousand is weighed by following percentage by weight The high density polyethylene (HDPE) 5-15% of alkene 50-70%, chlorosulfonated polyethylene 15-30%, relative molecular mass 20-30 ten thousand, molecular weight 150- The shitosan 5-10% of 250kda, dioctyl adipate 1-5%；
(2) by above-mentioned each raw material mix homogeneously, it is subsequently adding in extruder, extrude at 150-180 DEG C, obtain polyethylene based film；
(3) each raw material of adhesive: butyl rubber 30-45 part, nitrile rubber 10-15 part, polyurethane is weighed by following weight portion Acrylate 15-25 part, epoxy resin 25-35 part, 1,6 hexanediol diacrylate 10-15 part, frp garbage 5-10 part, Stearic acid pentaerythritol ester 5-10 part, dibutyl phthalate 5-10 part, white carbon black 10-15 part, Graphene 5-10 part, expansion are precious Pearl rock 1-5 part, hydroxyethyl cellulose 1-5 part, tetramethylthiuram disulfide 0.5-1 part, polyacrylamide 0.5-3 part, antioxygen Agent 1-3 part；
(4) each component of adhesive is mediated at 140-180 DEG C, obtain clay, described clay is added in extruder, melting is squeezed Go out, obtain adhesive；
(5) adhesive is heated melting, be applied in polyethylene based film, obtain underground piping polythene anticorrosive adhesive tape.
2. preparation method according to claim 1, is characterized in that: in step (1), the weight of each raw material of described polyethylene based film Amount degree is: relative molecular mass 60,000-10 ten thousand high density polyethylene (HDPE) 62%, chlorosulfonated polyethylene 18%, relatively point The high density polyethylene (HDPE) 10% of protonatomic mass 20-30 ten thousand, the shitosan 8% of molecular weight 150-250kda, dioctyl adipate 2%.
3. preparation method according to claim 1, is characterized in that: in step (3), the weight portion consumption of each raw material of adhesive As follows: 35 parts of butyl rubber, 12 parts of nitrile rubber, 18 parts of urethane acrylate, 32 parts of epoxy resin, 1,6-HD dipropyl 13 parts of olefin(e) acid ester, 9 parts of frp garbage, 8 parts of stearic acid pentaerythritol ester, 6 parts of dibutyl phthalate, 12 parts of white carbon black, graphite 7 parts of alkene, 3 parts of expanded perlite, 2 parts of hydroxyethyl cellulose, 0.6 part of tetramethylthiuram disulfide, 1.5 parts of polyacrylamide, 2 parts of antioxidant.
4. the preparation method according to claim 1,2 or 3, is characterized in that: the thickness of polyethylene based film is 0.3-0.4mm.
5. the preparation method according to claim 1,2 or 3, is characterized in that: in step (5), adhesive is in polyethylene based film On coating weight be 300～500g/m3.
6. preparation method according to claim 1, is characterized in that: the trade mark of described chlorosulfonated polyethylene be csm3550 or csm3570.
7. preparation method according to claim 1, is characterized in that: the trade mark of described epoxy resin is e-55 or e-44.
8. preparation method according to claim 1, is characterized in that: described urethane acrylate in 25 DEG C of viscosity is 2000-8000mpa·s；Weight average molecular weight 200-500 ten thousand of described polyacrylamide.
9. preparation method according to claim 1, is characterized in that: described frp garbage gives up for fiberglass reinforced plastics Product or leftover pieces, its particle diameter is 80-120 mesh.
10. preparation method according to claim 1, is characterized in that: described antioxidant is antioxidant 1010 or antioxidant dltp.
CN201610776185.4A 2016-08-31 2016-08-31 Preparation method of polyethylene anticorrosive adhesive tape for underground pipeline Pending CN106366969A (en)

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106928878A (en) * 2017-04-18 2017-07-07 海盐海诚胶粘材料有限公司 A kind of weather-proof static-free glue band
CN107033801A (en) * 2017-04-18 2017-08-11 海盐海诚胶粘材料有限公司 A kind of fire-retardant heat-sensitive variable colour adhesive tape
CN108977101A (en) * 2018-08-15 2018-12-11 江苏宝力泰新材料科技有限公司 A kind of external protective material and preparation method thereof for aerial pipeline
CN109096626A (en) * 2018-07-26 2018-12-28 合肥远科服装设计有限公司 A kind of dedicated sizing material of Foamed rubber shoe sole and preparation method thereof
CN117777873A (en) * 2024-01-03 2024-03-29 河北省盐山县电力管件有限公司 Polyethylene composite belt for corrosion prevention of bent pipe and production process thereof

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106928878A (en) * 2017-04-18 2017-07-07 海盐海诚胶粘材料有限公司 A kind of weather-proof static-free glue band
CN107033801A (en) * 2017-04-18 2017-08-11 海盐海诚胶粘材料有限公司 A kind of fire-retardant heat-sensitive variable colour adhesive tape
CN109096626A (en) * 2018-07-26 2018-12-28 合肥远科服装设计有限公司 A kind of dedicated sizing material of Foamed rubber shoe sole and preparation method thereof
CN108977101A (en) * 2018-08-15 2018-12-11 江苏宝力泰新材料科技有限公司 A kind of external protective material and preparation method thereof for aerial pipeline
CN117777873A (en) * 2024-01-03 2024-03-29 河北省盐山县电力管件有限公司 Polyethylene composite belt for corrosion prevention of bent pipe and production process thereof

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