CN110105892A - A kind of double faced adhesive tape and preparation method thereof with electric abhesiveness - Google Patents

A kind of double faced adhesive tape and preparation method thereof with electric abhesiveness Download PDF

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Publication number
CN110105892A
CN110105892A CN201910399000.6A CN201910399000A CN110105892A CN 110105892 A CN110105892 A CN 110105892A CN 201910399000 A CN201910399000 A CN 201910399000A CN 110105892 A CN110105892 A CN 110105892A
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parts
pressure
sensitive adhesive
eva
rubber
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CN110105892B (en
Inventor
孙孝辉
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Zhejiang Bochun New Materials Co ltd
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Pinghu Platinum Chun Adhesive Technology Co Ltd
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    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F220/00—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 a salt, anhydride ester, amide, imide or nitrile thereof
    • C08F220/02—Monocarboxylic acids having less than ten carbon atoms; Derivatives thereof
    • C08F220/10—Esters
    • C08F220/12—Esters of monohydric alcohols or phenols
    • C08F220/16—Esters of monohydric alcohols or phenols of phenols or of alcohols containing two or more carbon atoms
    • C08F220/18—Esters of monohydric alcohols or phenols of phenols or of alcohols containing two or more carbon atoms with acrylic or methacrylic acids
    • 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
    • C08J9/04—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent
    • C08J9/06—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a chemical blowing agent
    • C08J9/10—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a chemical blowing agent developing nitrogen, the blowing agent being a compound containing a nitrogen-to-nitrogen bond
    • C08J9/102—Azo-compounds
    • C08J9/103—Azodicarbonamide
    • 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
    • C09J11/08—Macromolecular additives
    • 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
    • C09J133/00—Adhesives based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Adhesives based on derivatives of such polymers
    • C09J133/24—Homopolymers or copolymers of amides or imides
    • C09J133/26—Homopolymers or copolymers of acrylamide or methacrylamide
    • 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
    • C09J7/00—Adhesives in the form of films or foils
    • C09J7/20—Adhesives in the form of films or foils characterised by their carriers
    • C09J7/29—Laminated material
    • 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
    • C09J7/00—Adhesives in the form of films or foils
    • C09J7/30—Adhesives in the form of films or foils characterised by the adhesive composition
    • C09J7/38—Pressure-sensitive adhesives [PSA]
    • C09J7/381—Pressure-sensitive adhesives [PSA] based on macromolecular compounds obtained by reactions involving only carbon-to-carbon unsaturated bonds
    • C09J7/385—Acrylic polymers
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F220/00—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 a salt, anhydride ester, amide, imide or nitrile thereof
    • C08F220/02—Monocarboxylic acids having less than ten carbon atoms; Derivatives thereof
    • C08F220/10—Esters
    • C08F220/12—Esters of monohydric alcohols or phenols
    • C08F220/16—Esters of monohydric alcohols or phenols of phenols or of alcohols containing two or more carbon atoms
    • C08F220/18—Esters of monohydric alcohols or phenols of phenols or of alcohols containing two or more carbon atoms with acrylic or methacrylic acids
    • C08F220/1808—C8-(meth)acrylate, e.g. isooctyl (meth)acrylate or 2-ethylhexyl (meth)acrylate
    • 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
    • C08J2203/00—Foams characterized by the expanding agent
    • C08J2203/04—N2 releasing, ex azodicarbonamide or nitroso compound
    • 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
    • C08J2323/08—Copolymers of ethene
    • 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
    • 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
    • C09J2301/124—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 on both sides of the carrier, e.g. double-sided adhesive tape
    • 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
    • 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
    • C09J2301/16—Additional features of adhesives in the form of films or foils characterized by the structural features of the adhesive tape or sheet by the structure of the carrier layer
    • 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
    • C09J2301/00—Additional features of adhesives in the form of films or foils
    • C09J2301/30—Additional features of adhesives in the form of films or foils characterized by the chemical, physicochemical or physical properties of the adhesive or the carrier
    • C09J2301/302—Additional features of adhesives in the form of films or foils characterized by the chemical, physicochemical or physical properties of the adhesive or the carrier the adhesive being pressure-sensitive, i.e. tacky at temperatures inferior to 30°C
    • 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
    • C09J2400/00—Presence of inorganic and organic materials
    • C09J2400/20—Presence of organic materials
    • C09J2400/24—Presence of a foam
    • C09J2400/243—Presence of a foam in the substrate
    • 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
    • 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
    • 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
    • C09J2433/00—Presence of (meth)acrylic polymer
    • 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
    • C09J2477/00—Presence of polyamide
    • C09J2477/006—Presence of polyamide in the substrate

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • General Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Adhesive Tapes (AREA)
  • Adhesives Or Adhesive Processes (AREA)

Abstract

The invention discloses a kind of double faced adhesive tapes with electric abhesiveness, are made of the raw material for including following parts by weight: including release paper, the first pressure-sensitive adhesive layer, the rubber-plastic foamed layer of the first EVA, the first graphene printing layer, fabric of island-in-sea type polyamide laminate film, the second graphene printing layer, the rubber-plastic foamed layer of the 2nd EVA, the second pressure-sensitive adhesive layer set gradually from the bottom to top；The upper and lower surface of fabric of island-in-sea type polyamide laminate film is printed with the first graphene printing layer and the second graphene printing layer respectively；First graphene printing layer and the second graphene printing layer have the graphene heating film item at multiple intervals to constitute；On graphene heating film surface, it is coated with copper plating film item identical with double faced adhesive tape extending direction；All graphene heating film item formation is connected in parallel by copper plating film item.The double faced adhesive tape with electric abhesiveness of the invention, two-sided equal mask is cementitious, and adhesion strength is big, peeling force is big, peel strength is high, tensile strength is high, and application range is wider.

Description

A kind of double faced adhesive tape and preparation method thereof with electric abhesiveness
Technical field
The present invention relates to tape product technical fields, and in particular to a kind of double faced adhesive tape and its preparation with electric abhesiveness Method.
Background technique
Pressure-sensitive adhesive, as the term suggests be exactly to pressure-sensitive adhesive, it be it is a kind of without in solvent, heat or Other means only need to apply slight finger pressure, can be with the adhesive of adherend good bond.The characteristics of pressure-sensitive adhesive is to glue it Be easy, take off be not difficult, not damaging of shelling, glue-line will not dry up in a longer period of time, thus pressure-sensitive adhesive is also referred to as adhesive sticker. Just because of the These characteristics of pressure sensitive adhesive, pressure sensitive adhesive product has very extensive purposes.
Wherein, pressure-sensitive acrylate is the pressure sensitive adhesive being most widely used at present, it is acrylate monomer and its The copolymer of its vinyl monomer.Pressure-sensitive acrylate mainly has solvent pressure-sensitive adhesive and emulsion-type pressure-sensitive.
In field of electronics, in order to fix certain electronic components, more and more electronic apparatus, such as intelligent hand safely Certain electronic components are adhesively fixed on mainboard or shell by the electronic equipments such as machine, tablet computer with double faced adhesive tape, but this gives The disassembly of electronic component in the maintenance and recycling of equipment causes difficulty, has seriously affected disassembly quality and efficiency, has caused Maintenance and cost recovery are high.In the prior art, mainly patch etc. is torn by easy-to-draw adhesive tape or easily to be bonded certain electronic components It being fixed on mainboard or shell, but also has more problem, for example tensile strength is inadequate, adhesion strength is poor, and residue glue is relatively more, Technique is extremely complex, at high cost etc..
A kind of adhesive tape (e.g., Chinese patent of Publication No. CN109705759A with electric abhesiveness is prepared currently, having Application), for fixing certain electronic component fields, facilitates recycling, promote disassembly quality and efficiency.
But the adhesive tape with electric abhesiveness used at present there is problems:
1, up to 7 layers or more of the number of plies of the adhesive tape with electric abhesiveness, raw material types are various, and preparation process is very multiple It is miscellaneous, it is with high costs；
2, the adhesive tape with electric abhesiveness only has single side to have caking property, causes using being very limited；
3, the peeling force of the adhesive tape with electric abhesiveness, tensile strength and adhesion strength are not high enough, and adhesion firmness is inadequate.
Based on the above situation, the invention proposes a kind of double faced adhesive tape and preparation method thereof with electric abhesiveness, can have Effect solves problem above.
Summary of the invention
The purpose of the present invention is to provide a kind of double faced adhesive tape and preparation method thereof with electric abhesiveness.Tool of the invention There is the double faced adhesive tape of electric abhesiveness, two-sided equal mask is cementitious, and adhesion strength is big, peeling force is big, peel strength is high, stretching is strong Degree is high, and application range is wider.
In order to solve the above technical problems, present invention provide the technical scheme that
A kind of double faced adhesive tape with electric abhesiveness, by include following parts by weight raw material be made: including from the bottom to top according to The release paper (1) of secondary setting, the first pressure-sensitive adhesive layer (2), the first rubber-plastic foamed layer of EVA (3), the first graphene printing layer (4), sea Island polyamide laminate film (5), the second graphene printing layer (6), the 2nd rubber-plastic foamed layer of EVA (7), the second pressure-sensitive adhesive layer (8)；
The fabric of island-in-sea type nylon film is divided into nylon resin to group, and also group is divided into facile hydrolysis polyester resin, wherein island group Partial volume accounts for 65~70%, and remainder is sea component；
The upper and lower surface of the fabric of island-in-sea type polyamide laminate film (5) is printed with the first graphene printing layer (4) and second respectively Graphene printing layer (6)；The first graphene printing layer (4) and the second graphene printing layer (6) have the stone at multiple intervals Black alkene heating film item (91) is constituted, the extending direction of the graphene heating film item (91) and the extending direction of the double faced adhesive tape Shape is at a certain angle；On graphene heating film item (91) surface, and it is located at the two sides of the double faced adhesive tape extending direction, It is coated with copper plating film item (92) identical with the double faced adhesive tape extending direction respectively；It will be all by the copper plating film item (92) The graphene heating film item (91) forms and is connected in parallel, and parallel circuit is formed after energization；
A part of first pressure-sensitive adhesive layer (2) is by being impregnated into the rubber-plastic foamed layer of the first EVA (3)；
A part of second pressure-sensitive adhesive layer (8) is by being impregnated into the rubber-plastic foamed layer of the 2nd EVA (7).
The double faced adhesive tape with electric abhesiveness of the invention, two-sided equal mask is cementitious, and adhesion strength is big, peeling force Greatly, peel strength is high, tensile strength is high, and application range is wider.
The double faced adhesive tape with electric abhesiveness of the invention, has the principle of electric abhesiveness are as follows: when the double faced adhesive tape prolongs Stretch direction two sides copper plating film item be separately connected the anode and cathode of power supply after, form access, graphene heating film item is in parallel, fast Speed fever and infrared ray is issued, unseals room temperature enclosed type (high temperature deblocking type) isocyanates, cause the first pressure-sensitive adhesive layer and the The rapid crosslinking curing of two pressure-sensitive adhesive layers, loses viscosity, which can be widely applied into field of electronics, facilitates electronics The disassembly or recycling of component；Using graphene heating film heating power, it is a kind of low-temperature heat, local temperature will not be generated It is excessively high, cause electronic component or adhesive tape to melt and residue glue etc. occurs；And the contact surface of double faced adhesive tape and electronic component, due to having Infrared ray stops, and temperature can obtain more heats, thus make the first pressure-sensitive adhesive layer and the rapid crosslinking curing of the second pressure-sensitive adhesive layer, Viscosity is lost, quality is dismantled and efficiency is greatly improved.
Those skilled in the art can adjust the thickness of graphene heating film item according to needs are applied, so as to adjust fever function Rate and temperature；To preferably protect electronic component products.
The double faced adhesive tape with electric abhesiveness of the invention, two-sided equal mask is cementitious, if one side glue is made, it is only necessary to 3 layers, raw material types are various, and preparation process is simple, and cost is relatively low, have broad application prospects.
The present invention also provides the preparation methods of the double faced adhesive tape with electric abhesiveness described in one kind, including the following steps:
A, printing forms the first graphene printing layer (4) respectively on fabric of island-in-sea type polyamide laminate film (5) up and down two surfaces With the second graphene printing layer (6), then on graphene heating film item (91) surface, and it is located at the double faced adhesive tape and prolongs Stretch the position of the two sides in direction, carry out copper facing, formed copper plating film item (92), by the copper plating film item (92) will be all described in Graphene heating film item (91) formation is connected in parallel, and parallel circuit is formed after energization, forms print film；
B, print film is immersed in depletion, carries out decrement treatment, removes the part facile hydrolysis polyester resin on surface；
Decrement treatment is carried out, forms tiny shrinkage pool (abscess) on fabric of island-in-sea type polyamide laminate film (5) up and down two surfaces, It in order to the rubber-plastic foamed slurry of part EVA, into shrinkage pool, then foams, makes itself and the first rubber-plastic foamed layer of EVA (3) and The rubber-plastic foamed layer of two EVA (7) combination is closer, guarantees that the globality of double-sided adhesive product of the invention, resistance to tear can good, maximum limits Avoid the occurrence of degumming residual phenomena to degree.
C, the rubber-plastic foamed slurry of EVA is then coated in the print film upper surface after decrement treatment, foamed, formed The first rubber-plastic foamed layer of EVA (3), then the rubber-plastic foamed slurry of EVA is coated in the print film lower surface after decrement treatment, it carries out Foaming forms the 2nd rubber-plastic foamed layer of EVA (7)；
The first rubber-plastic foamed layer of EVA (3) and the 2nd rubber-plastic foamed layer of EVA (7) are foamed, form the knot for being similar to foamed cotton layer Structure makes pressure-sensitive adhesive etc. be easier to be immersed, and guarantee is tightly combined between each other, and it is residual to avoid the occurrence of degumming to the maximum extent Stay phenomenon.
D, then by pressure-sensitive adhesive and room temperature enclosed type (high temperature deblocking type) isocyanates according to mass ratio 100:3.6~ 5.5 are uniformly mixed, and are coated on the rubber-plastic foamed layer of the first EVA (3), after drying, are formed the first pressure-sensitive adhesive layer (2)；Again will Pressure-sensitive adhesive is coated on the rubber-plastic foamed layer of the 2nd EVA (7), after drying, is formed the second pressure-sensitive adhesive layer (8)；Again in institute It states the first pressure-sensitive adhesive layer (2) surface and is covered with release paper, under the conditions of 55~65 DEG C of temperature, cure 36~56h, the tool is made There is the double faced adhesive tape of electric abhesiveness.
Described room temperature enclosed type (the high temperature deblocking type) isocyanates, those skilled in the art can select according to actual needs The isocyanates of suitable temperature deblocking type is selected, to meet different needs.
Preferably, in step A, the width of the graphene heating film item (91) is 2~4mm；The graphene heating film Spacing between item (91) is 3~5mm.
Not only guarantee graphene heating film item energy fast heating in this way, but also can guarantee fabric of island-in-sea type polyamide laminate film (5) up and down two A surface and the first rubber-plastic foamed layer of EVA (3) and the 2nd rubber-plastic foamed layer of EVA (7) combine closer, guarantee of the invention two-sided The globality of glue product, resistance to tear can be good, avoid the occurrence of degumming residual phenomena to the maximum extent.
Preferably, in step B, the NaOH solution that the depletion is 3~6%, 80~90 DEG C of temperature, when carrying out decrement treatment Between be 10~15min；
It in this way can be quickly by the part facile hydrolysis polyester resin on fabric of island-in-sea type polyamide laminate film (5) up and down two surfaces It washes away, forms relatively uniform shrinkage pool, improve efficiency and guarantee interface bond strength.
Preferably, in step B, after carrying out decrement treatment, first in 30~50 DEG C of 2~5% acetum with 2~ 4min, then it is clean with 30~50 DEG C of warm water washing.
It can effectively remove in this way and carry out the remaining sodium hydroxide of decrement treatment, reduce corrosivity, guarantee the performance of product.
Preferably, in step C, the rubber-plastic foamed slurry of EVA includes the raw material of following parts by weight: ethene-vinyl acetate 70~80 parts of copolymer, 5~25 parts of polyester-polyether block copolymer 1,2~4 parts of plasticizer, 0.8~1.1 part of bridging agent, foaming 1.4~2.4 parts of agent, 0.6~0.9 part of micropore regulator, 0.7~1.1 part of crosslinking agent, 3~5 parts of zinc stearate；The plasticizer For the THIOKOL TP-95 of Rhom and Hass, the U.S.；The foaming agent is blowing agent AC；The bridging agent is bridging agent DCP； The micropore regulator is hydroxy-end capped vinyl methyl silicone oil；The crosslinking agent is zinc peroxide.
The first rubber-plastic foamed layer of EVA (3) of part is made in the rubber-plastic foamed slurry of the EVA of the above component and the 2nd EVA is rubber-plastic foamed Layer (7) has height porosity, while having both good mechanical property.
Preferably, in step C, the porosity of the rubber-plastic foamed layer of the first EVA (3) and the 2nd rubber-plastic foamed layer of EVA (7) It is 80~90%.
Preferably, in step D, the pressure-sensitive adhesive is by including that the raw material of following parts by weight is made: Isooctyl acrylate monomer 45~55 parts, 4~9 parts of acrylamide, 40~50 parts of butyl acrylate, 7~12 parts of hydroxypropyl acrylate, methyl acrylate 3~7 Part, the ethyl acetate and 70~90 parts of butanone, 1.3~2.2 parts of azodiisobutyronitrile, lauryl mercaptan 0.6~1 that mass ratio is 1:1 Part, 3~5 parts of toluene di-isocyanate(TDI).
The peeling force and adhesion strength of pressure-sensitive adhesive of the invention are high, are firmly bonded；And plasticizer-resistant performance is good and heatproof Property is good；Make solvent, small toxicity without using benzene, toluene etc. when the synthesis of pressure-sensitive adhesive, environmental protection has a wide range of application.
Preferably, for the pressure-sensitive adhesive first using Isooctyl acrylate monomer as soft monomer, acrylamide is functional hard monomer, The ethyl acetate and butanone that azodiisobutyronitrile is initiator, mass ratio is 1:1 are solvent, lauryl mercaptan is molecular-weight adjusting Agent carries out prepolymerization, obtains Azogroup-containing acrylamide prepolymer；Using butyl acrylate as soft monomer, hydroxypropyl acrylate is functional hard Monomer, the ethyl acetate and butanone that azodiisobutyronitrile is initiator, mass ratio is 1:1 are solvent, lauryl mercaptan is molecular weight Regulator carries out prepolymerization, obtains hydroxypropyl acrylate prepolymer；Then, by above-mentioned Azogroup-containing acrylamide prepolymer and acrylic acid hydroxyl The mixing of third rouge prepolymer, is added methyl acrylate and azodiisobutyronitrile, continues polymerization reaction, obtain pressure-sensitive sol solution (solvent pressure-sensitive adhesive)；Finally, hydrogenated rosin resin is added in above-mentioned pressure-sensitive sol solution, it is stirred, keeps its dispersion equal It is even；It is cooled to room temperature to get the pressure-sensitive adhesive is arrived；In use, toluene di-isocyanate(TDI) is added to the pressure-sensitive adhesive Agent can be used.
For the present invention first using Isooctyl acrylate monomer as soft monomer, acrylamide is functional hard monomer, and azodiisobutyronitrile is The ethyl acetate and butanone that initiator, mass ratio are 1:1 are solvent, lauryl mercaptan is molecular weight regulator, carry out prepolymerization, obtain To Azogroup-containing acrylamide prepolymer；The short chain Azogroup-containing acrylamide prepolymer obtained in this way, it is neither too hard, nor too soft, it is evenly distributed.With butyl acrylate For soft monomer, hydroxypropyl acrylate is functional hard monomer, the acetic acid second that azodiisobutyronitrile is initiator, mass ratio is 1:1 Ester and butanone are solvent, lauryl mercaptan is molecular weight regulator, carry out prepolymerization, obtain hydroxypropyl acrylate prepolymer；In this way Obtained short chain hydroxypropyl acrylate prepolymer, it is neither too hard, nor too soft, it is evenly distributed.Then, by above-mentioned Azogroup-containing acrylamide prepolymer and third The mixing of olefin(e) acid hydroxypropyl rouge prepolymer, is added methyl acrylate and azodiisobutyronitrile, continues polymerization reaction, obtain pressure sensitive adhesive Solution；In the pressure sensitive adhesive long-chain polymer obtained in this way, short chain Azogroup-containing acrylamide prepolymer and short chain hydroxypropyl acrylate prepolymer In block distributed, most of by methyl acrylate and its short chain link, molecular weight is higher, wider distribution, and is in certain gradient Distribution, enough obtains biggish holding power and cohesive force, is firmly bonded after making its crosslinking curing, has high peeling force, and peeling force It is balanced with mechanical properties such as holding powers, there is good comprehensive service performance.Finally, hydrogenated rosin resin is added to above-mentioned pressure It in quick sol solution, is stirred, it is made to be uniformly dispersed；It is cooled to room temperature to get the pressure-sensitive adhesive is arrived；In use, by first Phenylene diisocyanate is added to the pressure-sensitive adhesive, that is, can be used.
It is pre- that the present invention using Isooctyl acrylate monomer as soft monomer, acrylamide is that short chain acrylamide is made in functional hard monomer Polymers, butyl acrylate is soft monomer, hydroxypropyl acrylate is that short chain hydroxypropyl acrylate prepolymer is made in functional hard monomer, With proper amount of methacrylate monomer, continue polymerization reaction, obtain pressure-sensitive sol solution, combines esters of acrylic acid gluing The characteristic of agent and adhesive for polyurethane makes pressure-sensitive adhesive of the invention have good plasticizer-resistant performance good and high temperature resistant Property.
It is furthermore preferred that the pressure-sensitive adhesive further includes the raw material of following parts by weight: 25~35 parts of hydrogenated rosin resin.
The addition of hydrogenated rosin resin is mainly used for adjusting peeling force, further increases peeling force.
It is furthermore preferred that the toluene di-isocyanate(TDI) is the Desmodur L75 of German Bayer AG.
Desmodur L75 can make the pressure-sensitive adhesive of the invention carry out the ambient cross-linking of appropriateness, guarantee good viscous Put forth effort and peeling force, and compounds mixture uniformly good phase with Desmodur BL3175A and Desmodur BL3272MPA Capacitive, mutual compatibility are unsealed in the compounding mixture high temperature of the Desmodur BL3175A and Desmodur BL3272MPA After can further promote to be crosslinked, promote crosslinking curing, promote the inharmonious speed of being powered.
It is furthermore preferred that the preparation method of the pressure-sensitive adhesive includes the following steps:
S1: weigh respectively by weight 45~55 parts of Isooctyl acrylate monomer, 4~9 parts of acrylamide, butyl acrylate 40~ 50 parts, 7~12 parts of hydroxypropyl acrylate, 3~7 parts of methyl acrylate, the ethyl acetate and butanone 70~90 that mass ratio is 1:1 Part, 1.3~2.2 parts of azodiisobutyronitrile, 0.6~1 part of lauryl mercaptan, 3~5 parts of toluene di-isocyanate(TDI), hydrogenated rosin resin 25~35 parts；
S2: using Isooctyl acrylate monomer as soft monomer, acrylamide is functional hard monomer, and azodiisobutyronitrile is to cause The ethyl acetate and butanone that agent, mass ratio are 1:1 are solvent, lauryl mercaptan is molecular weight regulator, carry out polymerization reaction, will be complete The Isooctyl acrylate monomer and acrylamide in portion, 2/5 azodiisobutyronitrile, half mass ratio be 1:1 ethyl acetate and fourth Ketone, half lauryl mercaptan mixing after, carry out prepolymerization, obtain Azogroup-containing acrylamide prepolymer；
S3: using butyl acrylate as soft monomer, hydroxypropyl acrylate is functional hard monomer, and azodiisobutyronitrile is to cause The ethyl acetate and butanone that agent, mass ratio are 1:1 are solvent, lauryl mercaptan is molecular weight regulator, carry out polymerization reaction, will be complete The butyl acrylate and hydroxypropyl acrylate in portion, 2/5 azodiisobutyronitrile, half mass ratio be 1:1 ethyl acetate and Butanone, half lauryl mercaptan mixing after, carry out prepolymerization, obtain hydroxypropyl acrylate prepolymer；
S4: above-mentioned Azogroup-containing acrylamide prepolymer and hydroxypropyl acrylate prepolymer are mixed, and methyl acrylate and residue is added Azodiisobutyronitrile, continue polymerization reaction, obtain pressure-sensitive sol solution；
S5: hydrogenated rosin resin is added in above-mentioned pressure-sensitive sol solution, is stirred, it is made to be uniformly dispersed；It is cooled to Room temperature to get arrive the pressure-sensitive adhesive；
Wherein, point of the step S2 and S3 without sequencing；In use, toluene di-isocyanate(TDI) is added to the pressure sensitive adhesive It in stick, is uniformly mixed, that is, can be used.
For the present invention first using Isooctyl acrylate monomer as soft monomer, acrylamide is functional hard monomer, and azodiisobutyronitrile is The ethyl acetate and butanone that initiator, mass ratio are 1:1 are solvent, lauryl mercaptan is molecular weight regulator, carry out prepolymerization, obtain To Azogroup-containing acrylamide prepolymer；The short chain Azogroup-containing acrylamide prepolymer obtained in this way, it is neither too hard, nor too soft, it is evenly distributed.With butyl acrylate For soft monomer, hydroxypropyl acrylate is functional hard monomer, the acetic acid second that azodiisobutyronitrile is initiator, mass ratio is 1:1 Ester and butanone are solvent, lauryl mercaptan is molecular weight regulator, carry out prepolymerization, obtain hydroxypropyl acrylate prepolymer；In this way Obtained short chain hydroxypropyl acrylate prepolymer, it is neither too hard, nor too soft, it is evenly distributed.Then, by above-mentioned Azogroup-containing acrylamide prepolymer and third The mixing of olefin(e) acid hydroxypropyl rouge prepolymer, is added methyl acrylate and azodiisobutyronitrile, continues polymerization reaction, obtain pressure sensitive adhesive Solution；In the pressure sensitive adhesive long-chain polymer obtained in this way, short chain Azogroup-containing acrylamide prepolymer and short chain hydroxypropyl acrylate prepolymer In block distributed, most of by methyl acrylate and its short chain link, molecular weight is higher, wider distribution, and is in certain gradient Distribution, enough obtains biggish holding power and cohesive force, is firmly bonded after making its crosslinking curing, has high peeling force, and peeling force It is balanced with mechanical properties such as holding powers, there is good comprehensive service performance.Finally, hydrogenated rosin resin is added to above-mentioned pressure It in quick sol solution, is stirred, it is made to be uniformly dispersed；It is cooled to room temperature to get the pressure-sensitive adhesive is arrived；In use, by first Phenylene diisocyanate is added to the pressure-sensitive adhesive, that is, can be used.The addition of hydrogenated rosin resin is mainly used for adjusting removing Power further increases peeling force.
Preferably, in step S2, when carrying out prepolymerization, temperature control at 81~83 DEG C, prepolymerization time is 20~ 30min, pre-polymerization process are protected using N2.
Preferably, in step S3, when carrying out prepolymerization, temperature control at 77~79 DEG C, prepolymerization time is 20~ 30min, pre-polymerization process are protected using N2.
Preferably, in step S4, when carrying out polymerization reaction, at 79~80 DEG C, prepolymerization time is 4~6h for temperature control, Pre-polymerization process is protected using N2.
Preferably, in step S5, hydrogenated rosin resin is added in above-mentioned pressure-sensitive sol solution, is stirred, makes its point It dissipates uniformly, and adds acetone, adjusting solid content is 40~50%；It is cooled to room temperature to get the pressure-sensitive adhesive is arrived.
Preferably, room temperature enclosed type (the high temperature deblocking type) isocyanates is German Bayer AG The compounding mixture of DesmodurBL3175A and DesmodurBL3272MPA.
The high temperature of the compounding mixture of Desmodur BL3175A and Desmodur BL3272MPA unseals moderate temperature, fits The electronic component of conjunction is more, while not influencing normal use, and for pressure-sensitive adhesive system of the invention, high temperature deblocking type Afterwards, crosslinking curing faster, can further promote the inharmonious speed that is powered.
It is furthermore preferred that in the compounding mixture of the Desmodur BL3175A and Desmodur BL3272MPA The mass ratio of DesmodurBL3175A and Desmodur BL3272MPA is 1:0.7~0.9.
Compared with prior art, the present invention have the following advantages that and the utility model has the advantages that
The double faced adhesive tape with electric abhesiveness of the invention, two-sided equal mask is cementitious, and adhesion strength is big, peeling force Greatly, peel strength is high, tensile strength is high, and application range is wider；With good electric abhesiveness, inharmonious speed is fast after energization, can The disassembly quality and efficiency of electronic component.
The double faced adhesive tape with electric abhesiveness of the invention, has the principle of electric abhesiveness are as follows: when the double faced adhesive tape prolongs Stretch direction two sides copper plating film item be separately connected the anode and cathode of power supply after, form access, graphene heating film item is in parallel, fast Speed fever and infrared ray is issued, unseals room temperature enclosed type (high temperature deblocking type) isocyanates, cause the first pressure-sensitive adhesive layer and the The rapid crosslinking curing of two pressure-sensitive adhesive layers, loses viscosity, which can be widely applied into field of electronics, facilitates electronics The disassembly or recycling of component；Using graphene heating film heating power, it is a kind of low-temperature heat, local temperature will not be generated It is excessively high, cause electronic component or adhesive tape to melt and residue glue etc. occurs；And the contact surface of double faced adhesive tape and electronic component, due to having Infrared ray stops, and temperature can obtain more heats, thus make the first pressure-sensitive adhesive layer and the rapid crosslinking curing of the second pressure-sensitive adhesive layer, Viscosity is lost, quality is dismantled and efficiency is greatly improved.
The double faced adhesive tape with electric abhesiveness of the invention, two-sided equal mask is cementitious, if one side glue is made, it is only necessary to 3 layers, raw material types are various, and preparation process is simple, and cost is relatively low, have broad application prospects.
Preparation method simple process of the invention, it is easy to operate, it ensure that the present invention has the double faced adhesive tape of electric abhesiveness Comprehensive performance.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention；
Fig. 2 is upper surface or the lower surface configuration schematic diagram of fabric of island-in-sea type polyamide laminate film of the present invention.
Specific embodiment
It is right combined with specific embodiments below in order to make those skilled in the art more fully understand technical solution of the present invention The preferred embodiments of the invention are described, but should not be understood as the limitation to this patent.
Test method described in following embodiments or test method are unless otherwise specified conventional method；The reagent And material is obtained from routine business approach, or prepare in conventional manner unless otherwise specified.
Embodiment 1:
As shown in Fig. 1 to 2, a kind of double faced adhesive tape with electric abhesiveness is made of the raw material for including following parts by weight: packet Include the release paper (1) set gradually from the bottom to top, the first pressure-sensitive adhesive layer (2), the first rubber-plastic foamed layer of EVA (3), the first graphene Printing layer (4), fabric of island-in-sea type polyamide laminate film (5), the second graphene printing layer (6), the 2nd rubber-plastic foamed layer of EVA (7), the second pressure Quick glue-line (8)；
The fabric of island-in-sea type nylon film is divided into nylon resin to group, and also group is divided into facile hydrolysis polyester resin, wherein island group Partial volume accounts for 65~70%, and remainder is sea component；
The upper and lower surface of the fabric of island-in-sea type polyamide laminate film (5) is printed with the first graphene printing layer (4) and second respectively Graphene printing layer (6)；The first graphene printing layer (4) and the second graphene printing layer (6) have the stone at multiple intervals Black alkene heating film item (91) is constituted, the extending direction of the graphene heating film item (91) and the extending direction of the double faced adhesive tape Shape is at a certain angle；On graphene heating film item (91) surface, and it is located at the two sides of the double faced adhesive tape extending direction, It is coated with copper plating film item (92) identical with the double faced adhesive tape extending direction respectively；It will be all by the copper plating film item (92) The graphene heating film item (91) forms and is connected in parallel, and parallel circuit is formed after energization；
A part of first pressure-sensitive adhesive layer (2) is by being impregnated into the rubber-plastic foamed layer of the first EVA (3)；
A part of second pressure-sensitive adhesive layer (8) is by being impregnated into the rubber-plastic foamed layer of the 2nd EVA (7).
In the present embodiment, the preparation method of the double faced adhesive tape with electric abhesiveness, including the following steps:
A, printing forms the first graphene printing layer (4) respectively on fabric of island-in-sea type polyamide laminate film (5) up and down two surfaces With the second graphene printing layer (6), then on graphene heating film item (91) surface, and it is located at the double faced adhesive tape and prolongs Stretch the position of the two sides in direction, carry out copper facing, formed copper plating film item (92), by the copper plating film item (92) will be all described in Graphene heating film item (91) formation is connected in parallel, and parallel circuit is formed after energization, forms print film；
B, print film is immersed in depletion, carries out decrement treatment, removes the part facile hydrolysis polyester resin on surface；
C, the rubber-plastic foamed slurry of EVA is then coated in the print film upper surface after decrement treatment, foamed, formed The first rubber-plastic foamed layer of EVA (3), then the rubber-plastic foamed slurry of EVA is coated in the print film lower surface after decrement treatment, it carries out Foaming forms the 2nd rubber-plastic foamed layer of EVA (7)；
D, then by pressure-sensitive adhesive and room temperature enclosed type (high temperature deblocking type) isocyanates according to mass ratio 100:3.6~ 5.5 are uniformly mixed, and are coated on the rubber-plastic foamed layer of the first EVA (3), after drying, are formed the first pressure-sensitive adhesive layer (2)；Again will Pressure-sensitive adhesive is coated on the rubber-plastic foamed layer of the 2nd EVA (7), after drying, is formed the second pressure-sensitive adhesive layer (8)；Again in institute It states the first pressure-sensitive adhesive layer (2) surface and is covered with release paper, under the conditions of 55~65 DEG C of temperature, cure 36~56h, the tool is made There is the double faced adhesive tape of electric abhesiveness.
In the present embodiment, in step A, the width of the graphene heating film item (91) is 2~4mm；The graphene Spacing between heating film item (91) is 3~5mm.
In the present embodiment, in step B, the NaOH solution that the depletion is 3~6%, is reduced by 80~90 DEG C of temperature The processing time is 10~15min；
In the present embodiment, in step B, after carrying out decrement treatment, first in 30~50 DEG C of 2~5% acetum It is then clean with 30~50 DEG C of warm water washing with 2~4min.
In the present embodiment, in step C, the rubber-plastic foamed slurry of EVA includes the raw material of following parts by weight: ethylene-vinegar 70~80 parts of sour ethylene copolymer, 5~25 parts of polyester-polyether block copolymer 1,2~4 parts of plasticizer, bridging agent 0.8~1.1 Part, 1.4~2.4 parts of foaming agent, 0.6~0.9 part of micropore regulator, 0.7~1.1 part of crosslinking agent, 3~5 parts of zinc stearate；It is described Plasticizer is the THIOKOL TP-95 of Rhom and Hass, the U.S.；The foaming agent is blowing agent AC；The bridging agent is to build bridge Agent DCP；The micropore regulator is hydroxy-end capped vinyl methyl silicone oil；The crosslinking agent is zinc peroxide.
In the present embodiment, in step C, the rubber-plastic foamed layer of the first EVA (3) and the 2nd rubber-plastic foamed layer of EVA (7) Porosity is 80~90%.
In the present embodiment, in step D, the pressure-sensitive adhesive is by including that the raw material of following parts by weight is made: acrylic acid 45~55 parts of different monooctyl ester, 4~9 parts of acrylamide, 40~50 parts of butyl acrylate, 7~12 parts of hydroxypropyl acrylate, acrylic acid first 3~7 parts of ester, the ethyl acetate and 70~90 parts of butanone, 1.3~2.2 parts of azodiisobutyronitrile, lauryl mercaptan that mass ratio is 1:1 0.6~1 part, 3~5 parts of toluene di-isocyanate(TDI).
The peeling force and adhesion strength of pressure-sensitive adhesive of the invention are high, are firmly bonded；And plasticizer-resistant performance is good and heatproof Property is good；Make solvent, small toxicity without using benzene, toluene etc. when the synthesis of pressure-sensitive adhesive, environmental protection has a wide range of application.
In the present embodiment, for the pressure-sensitive adhesive first using Isooctyl acrylate monomer as soft monomer, acrylamide is functionality Hard monomer, the ethyl acetate and butanone that azodiisobutyronitrile is initiator, mass ratio is 1:1 are solvent, lauryl mercaptan is molecule Regulator is measured, prepolymerization is carried out, obtains Azogroup-containing acrylamide prepolymer；Using butyl acrylate as soft monomer, hydroxypropyl acrylate is function Energy property hard monomer, the ethyl acetate and butanone that azodiisobutyronitrile is initiator, mass ratio is 1:1 are solvent, lauryl mercaptan is Molecular weight regulator carries out prepolymerization, obtains hydroxypropyl acrylate prepolymer；Then, by above-mentioned Azogroup-containing acrylamide prepolymer and third The mixing of olefin(e) acid hydroxypropyl rouge prepolymer, is added methyl acrylate and azodiisobutyronitrile, continues polymerization reaction, obtain pressure sensitive adhesive Solution；Finally, hydrogenated rosin resin is added in above-mentioned pressure-sensitive sol solution, it is stirred, it is made to be uniformly dispersed；It is cooled to room Temperature to get arrive the pressure-sensitive adhesive；In use, toluene di-isocyanate(TDI) is added to the pressure-sensitive adhesive, that is, can be used.
In the present embodiment, the pressure-sensitive adhesive further includes the raw material of following parts by weight: hydrogenated rosin resin 25~35 Part.
In the present embodiment, the toluene di-isocyanate(TDI) is the Desmodur L75 of German Bayer AG.
In the present embodiment, the preparation method of the pressure-sensitive adhesive includes the following steps:
S1: weigh respectively by weight 45~55 parts of Isooctyl acrylate monomer, 4~9 parts of acrylamide, butyl acrylate 40~ 50 parts, 7~12 parts of hydroxypropyl acrylate, 3~7 parts of methyl acrylate, the ethyl acetate and butanone 70~90 that mass ratio is 1:1 Part, 1.3~2.2 parts of azodiisobutyronitrile, 0.6~1 part of lauryl mercaptan, 3~5 parts of toluene di-isocyanate(TDI), hydrogenated rosin resin 25~35 parts；
S2: using Isooctyl acrylate monomer as soft monomer, acrylamide is functional hard monomer, and azodiisobutyronitrile is to cause The ethyl acetate and butanone that agent, mass ratio are 1:1 are solvent, lauryl mercaptan is molecular weight regulator, carry out polymerization reaction, will be complete The Isooctyl acrylate monomer and acrylamide in portion, 2/5 azodiisobutyronitrile, half mass ratio be 1:1 ethyl acetate and fourth Ketone, half lauryl mercaptan mixing after, carry out prepolymerization, obtain Azogroup-containing acrylamide prepolymer；
S3: using butyl acrylate as soft monomer, hydroxypropyl acrylate is functional hard monomer, and azodiisobutyronitrile is to cause The ethyl acetate and butanone that agent, mass ratio are 1:1 are solvent, lauryl mercaptan is molecular weight regulator, carry out polymerization reaction, will be complete The butyl acrylate and hydroxypropyl acrylate in portion, 2/5 azodiisobutyronitrile, half mass ratio be 1:1 ethyl acetate and Butanone, half lauryl mercaptan mixing after, carry out prepolymerization, obtain hydroxypropyl acrylate prepolymer；
S4: above-mentioned Azogroup-containing acrylamide prepolymer and hydroxypropyl acrylate prepolymer are mixed, and methyl acrylate and residue is added Azodiisobutyronitrile, continue polymerization reaction, obtain pressure-sensitive sol solution；
S5: hydrogenated rosin resin is added in above-mentioned pressure-sensitive sol solution, is stirred, it is made to be uniformly dispersed；It is cooled to Room temperature to get arrive the pressure-sensitive adhesive；
Wherein, point of the step S2 and S3 without sequencing；In use, toluene di-isocyanate(TDI) is added to the pressure sensitive adhesive It in stick, is uniformly mixed, that is, can be used.
In the present embodiment, in step S2, when carrying out prepolymerization, temperature control is at 81~83 DEG C, prepolymerization time 20 ~30min, pre-polymerization process are protected using N2.
In the present embodiment, in step S3, when carrying out prepolymerization, temperature control is at 77~79 DEG C, prepolymerization time 20 ~30min, pre-polymerization process are protected using N2.
In the present embodiment, in step S4, when carrying out polymerization reaction, temperature control is at 79~80 DEG C, prepolymerization time 4 ~6h, pre-polymerization process are protected using N2.
In the present embodiment, in step S5, hydrogenated rosin resin is added in above-mentioned pressure-sensitive sol solution, is stirred, So that it is uniformly dispersed, and add acetone, adjusting solid content is 40~50%；It is cooled to room temperature to get the pressure-sensitive adhesive is arrived.
In the present embodiment, room temperature enclosed type (the high temperature deblocking type) isocyanates is German Bayer AG The compounding mixture of Desmodur BL3175A and DesmodurBL3272MPA.
In the present embodiment, in the compounding mixture of the Desmodur BL3175A and Desmodur BL3272MPA The mass ratio of Desmodur BL3175A and Desmodur BL3272MPA are 1:0.7~0.9.
Embodiment 2:
As shown in Fig. 1 to 2, a kind of double faced adhesive tape with electric abhesiveness is made of the raw material for including following parts by weight: packet Include the release paper (1) set gradually from the bottom to top, the first pressure-sensitive adhesive layer (2), the first rubber-plastic foamed layer of EVA (3), the first graphene Printing layer (4), fabric of island-in-sea type polyamide laminate film (5), the second graphene printing layer (6), the 2nd rubber-plastic foamed layer of EVA (7), the second pressure Quick glue-line (8)；
The fabric of island-in-sea type nylon film is divided into nylon resin to group, and also group is divided into facile hydrolysis polyester resin, wherein island group Partial volume accounts for 65%, and remainder is sea component；
The upper and lower surface of the fabric of island-in-sea type polyamide laminate film (5) is printed with the first graphene printing layer (4) and second respectively Graphene printing layer (6)；The first graphene printing layer (4) and the second graphene printing layer (6) have the stone at multiple intervals Black alkene heating film item (91) is constituted, the extending direction of the graphene heating film item (91) and the extending direction of the double faced adhesive tape Shape is at a certain angle；On graphene heating film item (91) surface, and it is located at the two sides of the double faced adhesive tape extending direction, It is coated with copper plating film item (92) identical with the double faced adhesive tape extending direction respectively；It will be all by the copper plating film item (92) The graphene heating film item (91) forms and is connected in parallel, and parallel circuit is formed after energization；
A part of first pressure-sensitive adhesive layer (2) is by being impregnated into the rubber-plastic foamed layer of the first EVA (3)；
A part of second pressure-sensitive adhesive layer (8) is by being impregnated into the rubber-plastic foamed layer of the 2nd EVA (7).
In the present embodiment, the preparation method of the double faced adhesive tape with electric abhesiveness, including the following steps:
A, printing forms the first graphene printing layer (4) respectively on fabric of island-in-sea type polyamide laminate film (5) up and down two surfaces With the second graphene printing layer (6), then on graphene heating film item (91) surface, and it is located at the double faced adhesive tape and prolongs Stretch the position of the two sides in direction, carry out copper facing, formed copper plating film item (92), by the copper plating film item (92) will be all described in Graphene heating film item (91) formation is connected in parallel, and parallel circuit is formed after energization, forms print film；
B, print film is immersed in depletion, carries out decrement treatment, removes the part facile hydrolysis polyester resin on surface；
C, the rubber-plastic foamed slurry of EVA is then coated in the print film upper surface after decrement treatment, foamed, formed The first rubber-plastic foamed layer of EVA (3), then the rubber-plastic foamed slurry of EVA is coated in the print film lower surface after decrement treatment, it carries out Foaming forms the 2nd rubber-plastic foamed layer of EVA (7)；
D, then that pressure-sensitive adhesive and room temperature enclosed type (high temperature deblocking type) isocyanates is mixed according to mass ratio 100:3.6 It closes uniformly, is coated on the rubber-plastic foamed layer of the first EVA (3), after drying, formed the first pressure-sensitive adhesive layer (2)；Again by pressure sensitive adhesive Stick is coated on the rubber-plastic foamed layer of the 2nd EVA (7), after drying, is formed the second pressure-sensitive adhesive layer (8)；Again described first Pressure-sensitive adhesive layer (2) surface is covered with release paper, under the conditions of 55 DEG C of temperature, cures 56h, and being made described has the double of electric abhesiveness Face adhesive tape.
In the present embodiment, in step A, the width of the graphene heating film item (91) is 2mm；The graphene fever Spacing between film item (91) is 3mm.
In the present embodiment, in step B, the NaOH solution that the depletion is 3%, 80 DEG C of temperature, when carrying out decrement treatment Between be 15min；
In the present embodiment, in step B, after carrying out decrement treatment, first in 30 DEG C of 2% acetum and 4min, Warm water washing again with 30 DEG C is clean.
In the present embodiment, in step C, the rubber-plastic foamed slurry of EVA includes the raw material of following parts by weight: ethylene-vinegar It is 70 parts of sour ethylene copolymer, 5 parts of polyester-polyether block copolymer 1,2 parts of plasticizer, 0.8 part of bridging agent, 1.4 parts of foaming agent, micro- 0.6 part of pore regulator, 0.7 part of crosslinking agent, 3 parts of zinc stearate；The plasticizer is the THIOKOL of Rhom and Hass, the U.S. TP-95；The foaming agent is blowing agent AC；The bridging agent is bridging agent DCP；The micropore regulator is hydroxy-end capped ethylene Ylmethyl silicone oil；The crosslinking agent is zinc peroxide.
In the present embodiment, in step C, the rubber-plastic foamed layer of the first EVA (3) and the 2nd rubber-plastic foamed layer of EVA (7) Porosity is 80%.
In the present embodiment, in step D, the pressure-sensitive adhesive is by including that the raw material of following parts by weight is made: acrylic acid 45 parts of different monooctyl ester, 4 parts of acrylamide, 40 parts of butyl acrylate, 7 parts of hydroxypropyl acrylate, 3 parts of methyl acrylate, mass ratio are 70 parts of ethyl acetate and butanone, 1.3 parts of azodiisobutyronitrile, 0.6 part of lauryl mercaptan, 3 parts of the toluene di-isocyanate(TDI) of 1:1.
In the present embodiment, the pressure-sensitive adhesive further includes the raw material of following parts by weight: 25 parts of hydrogenated rosin resin.
In the present embodiment, the toluene di-isocyanate(TDI) is the Desmodur L75 of German Bayer AG.
In the present embodiment, the preparation method of the pressure-sensitive adhesive includes the following steps:
S1: 45 parts of Isooctyl acrylate monomer, 4 parts of acrylamide, 40 parts of butyl acrylate, acrylic acid are weighed respectively by weight 7 parts of hydroxypropyl rouge, 3 parts of methyl acrylate, the ethyl acetate and 70 parts of butanone, 1.3 parts of azodiisobutyronitrile, ten that mass ratio is 1:1 Two 0.6 part of mercaptan, 3 parts of toluene di-isocyanate(TDI), 25 parts of hydrogenated rosin resin；
S2: using Isooctyl acrylate monomer as soft monomer, acrylamide is functional hard monomer, and azodiisobutyronitrile is to cause The ethyl acetate and butanone that agent, mass ratio are 1:1 are solvent, lauryl mercaptan is molecular weight regulator, carry out polymerization reaction, will be complete The Isooctyl acrylate monomer and acrylamide in portion, 2/5 azodiisobutyronitrile, half mass ratio be 1:1 ethyl acetate and fourth Ketone, half lauryl mercaptan mixing after, carry out prepolymerization, obtain Azogroup-containing acrylamide prepolymer；
S3: using butyl acrylate as soft monomer, hydroxypropyl acrylate is functional hard monomer, and azodiisobutyronitrile is to cause The ethyl acetate and butanone that agent, mass ratio are 1:1 are solvent, lauryl mercaptan is molecular weight regulator, carry out polymerization reaction, will be complete The butyl acrylate and hydroxypropyl acrylate in portion, 2/5 azodiisobutyronitrile, half mass ratio be 1:1 ethyl acetate and Butanone, half lauryl mercaptan mixing after, carry out prepolymerization, obtain hydroxypropyl acrylate prepolymer；
S4: above-mentioned Azogroup-containing acrylamide prepolymer and hydroxypropyl acrylate prepolymer are mixed, and methyl acrylate and residue is added Azodiisobutyronitrile, continue polymerization reaction, obtain pressure-sensitive sol solution；
S5: hydrogenated rosin resin is added in above-mentioned pressure-sensitive sol solution, is stirred, it is made to be uniformly dispersed；It is cooled to Room temperature to get arrive the pressure-sensitive adhesive；
Wherein, point of the step S2 and S3 without sequencing；In use, toluene di-isocyanate(TDI) is added to the pressure sensitive adhesive It in stick, is uniformly mixed, that is, can be used.
In the present embodiment, in step S2, when carrying out prepolymerization, temperature is controlled at 81 DEG C, prepolymerization time 30min, Pre-polymerization process is protected using N2.
In the present embodiment, in step S3, when carrying out prepolymerization, temperature is controlled at 77 DEG C, prepolymerization time 30min, Pre-polymerization process is protected using N2.
In the present embodiment, in step S4, when carrying out polymerization reaction, temperature is controlled at 79 DEG C, prepolymerization time 6h, in advance Polymerization process is protected using N2.
In the present embodiment, in step S5, hydrogenated rosin resin is added in above-mentioned pressure-sensitive sol solution, is stirred, So that it is uniformly dispersed, and add acetone, adjusting solid content is 40%；It is cooled to room temperature to get the pressure-sensitive adhesive is arrived.
In the present embodiment, room temperature enclosed type (the high temperature deblocking type) isocyanates is German Bayer AG The compounding mixture of Desmodur BL3175A and DesmodurBL3272MPA.
In the present embodiment, in the compounding mixture of the Desmodur BL3175A and Desmodur BL3272MPA The mass ratio of Desmodur BL3175A and DesmodurBL3272MPA are 1:0.7.
The present embodiment double faced adhesive tape with electric abhesiveness obtained, first pressure-sensitive adhesive layer (2) and the second pressure sensitive adhesive The thickness of layer (8) is 40um；The thickness of the rubber-plastic foamed layer of first EVA (3) and the 2nd rubber-plastic foamed layer of EVA (7) is 20um。
Embodiment 3:
As shown in Fig. 1 to 2, a kind of double faced adhesive tape with electric abhesiveness is made of the raw material for including following parts by weight: packet Include the release paper (1) set gradually from the bottom to top, the first pressure-sensitive adhesive layer (2), the first rubber-plastic foamed layer of EVA (3), the first graphene Printing layer (4), fabric of island-in-sea type polyamide laminate film (5), the second graphene printing layer (6), the 2nd rubber-plastic foamed layer of EVA (7), the second pressure Quick glue-line (8)；
The fabric of island-in-sea type nylon film is divided into nylon resin to group, and also group is divided into facile hydrolysis polyester resin, wherein island group Partial volume accounts for 70%, and remainder is sea component；
The upper and lower surface of the fabric of island-in-sea type polyamide laminate film (5) is printed with the first graphene printing layer (4) and second respectively Graphene printing layer (6)；The first graphene printing layer (4) and the second graphene printing layer (6) have the stone at multiple intervals Black alkene heating film item (91) is constituted, the extending direction of the graphene heating film item (91) and the extending direction of the double faced adhesive tape Shape is at a certain angle；On graphene heating film item (91) surface, and it is located at the two sides of the double faced adhesive tape extending direction, It is coated with copper plating film item (92) identical with the double faced adhesive tape extending direction respectively；It will be all by the copper plating film item (92) The graphene heating film item (91) forms and is connected in parallel, and parallel circuit is formed after energization；
A part of first pressure-sensitive adhesive layer (2) is by being impregnated into the rubber-plastic foamed layer of the first EVA (3)；
A part of second pressure-sensitive adhesive layer (8) is by being impregnated into the rubber-plastic foamed layer of the 2nd EVA (7).
In the present embodiment, the preparation method of the double faced adhesive tape with electric abhesiveness, including the following steps:
A, printing forms the first graphene printing layer (4) respectively on fabric of island-in-sea type polyamide laminate film (5) up and down two surfaces With the second graphene printing layer (6), then on graphene heating film item (91) surface, and it is located at the double faced adhesive tape and prolongs Stretch the position of the two sides in direction, carry out copper facing, formed copper plating film item (92), by the copper plating film item (92) will be all described in Graphene heating film item (91) formation is connected in parallel, and parallel circuit is formed after energization, forms print film；
B, print film is immersed in depletion, carries out decrement treatment, removes the part facile hydrolysis polyester resin on surface；
C, the rubber-plastic foamed slurry of EVA is then coated in the print film upper surface after decrement treatment, foamed, formed The first rubber-plastic foamed layer of EVA (3), then the rubber-plastic foamed slurry of EVA is coated in the print film lower surface after decrement treatment, it carries out Foaming forms the 2nd rubber-plastic foamed layer of EVA (7)；
D, then that pressure-sensitive adhesive and room temperature enclosed type (high temperature deblocking type) isocyanates is mixed according to mass ratio 100:5.5 It closes uniformly, is coated on the rubber-plastic foamed layer of the first EVA (3), after drying, formed the first pressure-sensitive adhesive layer (2)；Again by pressure sensitive adhesive Stick is coated on the rubber-plastic foamed layer of the 2nd EVA (7), after drying, is formed the second pressure-sensitive adhesive layer (8)；Again described first Pressure-sensitive adhesive layer (2) surface is covered with release paper, under the conditions of 65 DEG C of temperature, cures 36h, and being made described has the double of electric abhesiveness Face adhesive tape.
In the present embodiment, in step A, the width of the graphene heating film item (91) is 4mm；The graphene fever Spacing between film item (91) is 5mm.
In the present embodiment, in step B, the NaOH solution that the depletion is 6%, 90 DEG C of temperature, when carrying out decrement treatment Between be 10min；
In the present embodiment, in step B, after carrying out decrement treatment, first in 50 DEG C of 5% acetum and 2min, Warm water washing again with 50 DEG C is clean.
In the present embodiment, in step C, the rubber-plastic foamed slurry of EVA includes the raw material of following parts by weight: ethylene-vinegar It is 80 parts of sour ethylene copolymer, 25 parts of polyester-polyether block copolymer, 4 parts of plasticizer, 1.1 parts of bridging agent, 2.4 parts of foaming agent, micro- 0.9 part of pore regulator, 1.1 parts of crosslinking agent, 5 parts of zinc stearate；The plasticizer is the THIOKOL of Rhom and Hass, the U.S. TP-95；The foaming agent is blowing agent AC；The bridging agent is bridging agent DCP；The micropore regulator is hydroxy-end capped ethylene Ylmethyl silicone oil；The crosslinking agent is zinc peroxide.
In the present embodiment, in step C, the rubber-plastic foamed layer of the first EVA (3) and the 2nd rubber-plastic foamed layer of EVA (7) Porosity is 90%.
In the present embodiment, in step D, the pressure-sensitive adhesive is by including that the raw material of following parts by weight is made: acrylic acid 55 parts of different monooctyl ester, 9 parts of acrylamide, 50 parts of butyl acrylate, 12 parts of hydroxypropyl acrylate, 7 parts of methyl acrylate, mass ratio are 90 parts of ethyl acetate and butanone, 2.2 parts of azodiisobutyronitrile, 1 part of lauryl mercaptan, 5 parts of the toluene di-isocyanate(TDI) of 1:1.
The peeling force and adhesion strength of pressure-sensitive adhesive of the invention are high, are firmly bonded；And plasticizer-resistant performance is good and heatproof Property is good；Make solvent, small toxicity without using benzene, toluene etc. when the synthesis of pressure-sensitive adhesive, environmental protection has a wide range of application.
In the present embodiment, for the pressure-sensitive adhesive first using Isooctyl acrylate monomer as soft monomer, acrylamide is functionality Hard monomer, the ethyl acetate and butanone that azodiisobutyronitrile is initiator, mass ratio is 1:1 are solvent, lauryl mercaptan is molecule Regulator is measured, prepolymerization is carried out, obtains Azogroup-containing acrylamide prepolymer；Using butyl acrylate as soft monomer, hydroxypropyl acrylate is function Energy property hard monomer, the ethyl acetate and butanone that azodiisobutyronitrile is initiator, mass ratio is 1:1 are solvent, lauryl mercaptan is Molecular weight regulator carries out prepolymerization, obtains hydroxypropyl acrylate prepolymer；Then, by above-mentioned Azogroup-containing acrylamide prepolymer and third The mixing of olefin(e) acid hydroxypropyl rouge prepolymer, is added methyl acrylate and azodiisobutyronitrile, continues polymerization reaction, obtain pressure sensitive adhesive Solution；Finally, hydrogenated rosin resin is added in above-mentioned pressure-sensitive sol solution, it is stirred, it is made to be uniformly dispersed；It is cooled to room Temperature to get arrive the pressure-sensitive adhesive；In use, toluene di-isocyanate(TDI) is added to the pressure-sensitive adhesive, that is, can be used.
In the present embodiment, the pressure-sensitive adhesive further includes the raw material of following parts by weight: 35 parts of hydrogenated rosin resin.
In the present embodiment, the toluene di-isocyanate(TDI) is the Desmodur L75 of German Bayer AG.
In the present embodiment, the preparation method of the pressure-sensitive adhesive includes the following steps:
S1: 55 parts of Isooctyl acrylate monomer, 9 parts of acrylamide, 50 parts of butyl acrylate, acrylic acid are weighed respectively by weight 12 parts of hydroxypropyl rouge, 7 parts of methyl acrylate, the ethyl acetate and 90 parts of butanone, 2.2 parts of azodiisobutyronitrile, ten that mass ratio is 1:1 Two 1 part of mercaptan, 5 parts of toluene di-isocyanate(TDI), 35 parts of hydrogenated rosin resin；
S2: using Isooctyl acrylate monomer as soft monomer, acrylamide is functional hard monomer, and azodiisobutyronitrile is to cause The ethyl acetate and butanone that agent, mass ratio are 1:1 are solvent, lauryl mercaptan is molecular weight regulator, carry out polymerization reaction, will be complete The Isooctyl acrylate monomer and acrylamide in portion, 2/5 azodiisobutyronitrile, half mass ratio be 1:1 ethyl acetate and fourth Ketone, half lauryl mercaptan mixing after, carry out prepolymerization, obtain Azogroup-containing acrylamide prepolymer；
S3: using butyl acrylate as soft monomer, hydroxypropyl acrylate is functional hard monomer, and azodiisobutyronitrile is to cause The ethyl acetate and butanone that agent, mass ratio are 1:1 are solvent, lauryl mercaptan is molecular weight regulator, carry out polymerization reaction, will be complete The butyl acrylate and hydroxypropyl acrylate in portion, 2/5 azodiisobutyronitrile, half mass ratio be 1:1 ethyl acetate and Butanone, half lauryl mercaptan mixing after, carry out prepolymerization, obtain hydroxypropyl acrylate prepolymer；
S4: above-mentioned Azogroup-containing acrylamide prepolymer and hydroxypropyl acrylate prepolymer are mixed, and methyl acrylate and residue is added Azodiisobutyronitrile, continue polymerization reaction, obtain pressure-sensitive sol solution；
S5: hydrogenated rosin resin is added in above-mentioned pressure-sensitive sol solution, is stirred, it is made to be uniformly dispersed；It is cooled to Room temperature to get arrive the pressure-sensitive adhesive；
Wherein, point of the step S2 and S3 without sequencing；In use, toluene di-isocyanate(TDI) is added to the pressure sensitive adhesive It in stick, is uniformly mixed, that is, can be used.
In the present embodiment, in step S2, when carrying out prepolymerization, temperature is controlled at 83 DEG C, prepolymerization time 20min, Pre-polymerization process is protected using N2.
In the present embodiment, in step S3, when carrying out prepolymerization, temperature is controlled at 79 DEG C, prepolymerization time 20min, Pre-polymerization process is protected using N2.
In the present embodiment, in step S4, when carrying out polymerization reaction, temperature is controlled at 80 DEG C, prepolymerization time 4h, in advance Polymerization process is protected using N2.
In the present embodiment, in step S5, hydrogenated rosin resin is added in above-mentioned pressure-sensitive sol solution, is stirred, So that it is uniformly dispersed, and add acetone, adjusting solid content is 50%；It is cooled to room temperature to get the pressure-sensitive adhesive is arrived.
In the present embodiment, room temperature enclosed type (the high temperature deblocking type) isocyanates is German Bayer AG The compounding mixture of Desmodur BL3175A and DesmodurBL3272MPA.
In the present embodiment, in the compounding mixture of the Desmodur BL3175A and Desmodur BL3272MPA The mass ratio of Desmodur BL3175A and DesmodurBL3272MPA are 1:0.9.
The present embodiment double faced adhesive tape with electric abhesiveness obtained, first pressure-sensitive adhesive layer (2) and the second pressure sensitive adhesive The thickness of layer (8) is 40um；The thickness of the rubber-plastic foamed layer of first EVA (3) and the 2nd rubber-plastic foamed layer of EVA (7) is 20um。
Embodiment 4:
As shown in Fig. 1 to 2, a kind of double faced adhesive tape with electric abhesiveness is made of the raw material for including following parts by weight: packet Include the release paper (1) set gradually from the bottom to top, the first pressure-sensitive adhesive layer (2), the first rubber-plastic foamed layer of EVA (3), the first graphene Printing layer (4), fabric of island-in-sea type polyamide laminate film (5), the second graphene printing layer (6), the 2nd rubber-plastic foamed layer of EVA (7), the second pressure Quick glue-line (8)；
The fabric of island-in-sea type nylon film is divided into nylon resin to group, and also group is divided into facile hydrolysis polyester resin, wherein island group Partial volume accounts for 67%, and remainder is sea component；
The upper and lower surface of the fabric of island-in-sea type polyamide laminate film (5) is printed with the first graphene printing layer (4) and second respectively Graphene printing layer (6)；The first graphene printing layer (4) and the second graphene printing layer (6) have the stone at multiple intervals Black alkene heating film item (91) is constituted, the extending direction of the graphene heating film item (91) and the extending direction of the double faced adhesive tape Shape is at a certain angle；On graphene heating film item (91) surface, and it is located at the two sides of the double faced adhesive tape extending direction, It is coated with copper plating film item (92) identical with the double faced adhesive tape extending direction respectively；It will be all by the copper plating film item (92) The graphene heating film item (91) forms and is connected in parallel, and parallel circuit is formed after energization；
A part of first pressure-sensitive adhesive layer (2) is by being impregnated into the rubber-plastic foamed layer of the first EVA (3)；
A part of second pressure-sensitive adhesive layer (8) is by being impregnated into the rubber-plastic foamed layer of the 2nd EVA (7).
In the present embodiment, the preparation method of the double faced adhesive tape with electric abhesiveness, including the following steps:
A, printing forms the first graphene printing layer (4) respectively on fabric of island-in-sea type polyamide laminate film (5) up and down two surfaces With the second graphene printing layer (6), then on graphene heating film item (91) surface, and it is located at the double faced adhesive tape and prolongs Stretch the position of the two sides in direction, carry out copper facing, formed copper plating film item (92), by the copper plating film item (92) will be all described in Graphene heating film item (91) formation is connected in parallel, and parallel circuit is formed after energization, forms print film；
B, print film is immersed in depletion, carries out decrement treatment, removes the part facile hydrolysis polyester resin on surface；
C, the rubber-plastic foamed slurry of EVA is then coated in the print film upper surface after decrement treatment, foamed, formed The first rubber-plastic foamed layer of EVA (3), then the rubber-plastic foamed slurry of EVA is coated in the print film lower surface after decrement treatment, it carries out Foaming forms the 2nd rubber-plastic foamed layer of EVA (7)；
D, then that pressure-sensitive adhesive and room temperature enclosed type (high temperature deblocking type) isocyanates is mixed according to mass ratio 100:4.8 It closes uniformly, is coated on the rubber-plastic foamed layer of the first EVA (3), after drying, formed the first pressure-sensitive adhesive layer (2)；Again by pressure sensitive adhesive Stick is coated on the rubber-plastic foamed layer of the 2nd EVA (7), after drying, is formed the second pressure-sensitive adhesive layer (8)；Again described first Pressure-sensitive adhesive layer (2) surface is covered with release paper, under the conditions of 62 DEG C of temperature, cures 44h, and being made described has the double of electric abhesiveness Face adhesive tape.
In the present embodiment, in step A, the width of the graphene heating film item (91) is 3mm；The graphene fever Spacing between film item (91) is 4mm.
In the present embodiment, in step B, the NaOH solution that the depletion is 4%, 85 DEG C of temperature, when carrying out decrement treatment Between be 12min；
In the present embodiment, it in step B, after carrying out decrement treatment, is first neutralized with 40 DEG C of 3.9% acetum 3min, then it is clean with 40 DEG C of warm water washing.
In the present embodiment, in step C, the rubber-plastic foamed slurry of EVA includes the raw material of following parts by weight: ethylene-vinegar 75 parts of sour ethylene copolymer, 21.5 parts of polyester-polyether block copolymer, 3.4 parts of plasticizer, 0.9 part of bridging agent, foaming agent 2.1 Part, 0.7 part of micropore regulator, 0.8 part of crosslinking agent, 4 parts of zinc stearate；The plasticizer is Rhom and Hass, the U.S. THIOKOL TP-95；The foaming agent is blowing agent AC；The bridging agent is bridging agent DCP；The micropore regulator is hydroxyl Block vinyl methyl silicone oil；The crosslinking agent is zinc peroxide.
In the present embodiment, in step C, the rubber-plastic foamed layer of the first EVA (3) and the 2nd rubber-plastic foamed layer of EVA (7) Porosity is 86.3%.
In the present embodiment, in step D, the pressure-sensitive adhesive is by including that the raw material of following parts by weight is made: acrylic acid 50 parts of different monooctyl ester, 6.8 parts of acrylamide, 45 parts of butyl acrylate, 9.3 parts of hydroxypropyl acrylate, 5.5 parts of methyl acrylate, matter Amount is than the ethyl acetate and 82 parts of butanone, 1.8 parts of azodiisobutyronitrile, 0.8 part of lauryl mercaptan, toluene di-isocyanate(TDI) for 1:1 4.4 part.
In the present embodiment, the pressure-sensitive adhesive further includes the raw material of following parts by weight: 31 parts of hydrogenated rosin resin.
In the present embodiment, the toluene di-isocyanate(TDI) is the Desmodur L75 of German Bayer AG.
In the present embodiment, the preparation method of the pressure-sensitive adhesive includes the following steps:
S1: 50 parts of Isooctyl acrylate monomer, 6.8 parts of acrylamide, 45 parts of butyl acrylate, propylene are weighed respectively by weight 9.3 parts of sour hydroxypropyl rouge, 5.5 parts of methyl acrylate, the ethyl acetate and 82 parts of butanone, azodiisobutyronitrile 1.8 that mass ratio is 1:1 Part, 0.8 part of lauryl mercaptan, 4.4 parts of toluene di-isocyanate(TDI), 31 parts of hydrogenated rosin resin；
S2: using Isooctyl acrylate monomer as soft monomer, acrylamide is functional hard monomer, and azodiisobutyronitrile is to cause The ethyl acetate and butanone that agent, mass ratio are 1:1 are solvent, lauryl mercaptan is molecular weight regulator, carry out polymerization reaction, will be complete The Isooctyl acrylate monomer and acrylamide in portion, 2/5 azodiisobutyronitrile, half mass ratio be 1:1 ethyl acetate and fourth Ketone, half lauryl mercaptan mixing after, carry out prepolymerization, obtain Azogroup-containing acrylamide prepolymer；
S3: using butyl acrylate as soft monomer, hydroxypropyl acrylate is functional hard monomer, and azodiisobutyronitrile is to cause The ethyl acetate and butanone that agent, mass ratio are 1:1 are solvent, lauryl mercaptan is molecular weight regulator, carry out polymerization reaction, will be complete The butyl acrylate and hydroxypropyl acrylate in portion, 2/5 azodiisobutyronitrile, half mass ratio be 1:1 ethyl acetate and Butanone, half lauryl mercaptan mixing after, carry out prepolymerization, obtain hydroxypropyl acrylate prepolymer；
S4: above-mentioned Azogroup-containing acrylamide prepolymer and hydroxypropyl acrylate prepolymer are mixed, and methyl acrylate and residue is added Azodiisobutyronitrile, continue polymerization reaction, obtain pressure-sensitive sol solution；
S5: hydrogenated rosin resin is added in above-mentioned pressure-sensitive sol solution, is stirred, it is made to be uniformly dispersed；It is cooled to Room temperature to get arrive the pressure-sensitive adhesive；
Wherein, point of the step S2 and S3 without sequencing；In use, toluene di-isocyanate(TDI) is added to the pressure sensitive adhesive It in stick, is uniformly mixed, that is, can be used.
In the present embodiment, in step S2, when carrying out prepolymerization, temperature is controlled at 82 DEG C, prepolymerization time 25min, Pre-polymerization process is protected using N2.
In the present embodiment, in step S3, when carrying out prepolymerization, temperature is controlled at 78 DEG C, prepolymerization time 25min, Pre-polymerization process is protected using N2.
In the present embodiment, in step S4, when carrying out polymerization reaction, temperature is controlled at 79 DEG C, prepolymerization time 5h, in advance Polymerization process is protected using N2.
In the present embodiment, in step S5, hydrogenated rosin resin is added in above-mentioned pressure-sensitive sol solution, is stirred, So that it is uniformly dispersed, and add acetone, adjusting solid content is 46.5%；It is cooled to room temperature to get the pressure-sensitive adhesive is arrived.
In the present embodiment, room temperature enclosed type (the high temperature deblocking type) isocyanates is German Bayer AG The compounding mixture of Desmodur BL3175A and DesmodurBL3272MPA.
In the present embodiment, in the compounding mixture of the Desmodur BL3175A and Desmodur BL3272MPA The mass ratio of Desmodur BL3175A and DesmodurBL3272MPA are 1:0.85.
The present embodiment double faced adhesive tape with electric abhesiveness obtained, first pressure-sensitive adhesive layer (2) and the second pressure sensitive adhesive The thickness of layer (8) is 40um；The thickness of the rubber-plastic foamed layer of first EVA (3) and the 2nd rubber-plastic foamed layer of EVA (7) is 20um。
The embodiment of the present invention 2 to embodiment 4 is obtained below the double faced adhesive tape with electric abhesiveness and comparative example into Row performance test, test result are as shown in table 1:
Wherein, comparative example is the Chinese patent application of Publication No. CN109705759A.
The test method of tack free time is as follows: by the adhesive tape gluing of the PET sheet of 50mm*50mm and 50mm*50mm, using 10N Force tight 24 hours after, test electric tack free time by the way of energization, when test using the power of 10N along 180 ° of directions by two Person's removing, from being initially powered up, the time consumed being completely exfoliated out to the two, as electric tack free time.
Table 1
As can be seen from the above table, the double faced adhesive tape with electric abhesiveness of the invention has the advantage that
1, inharmonious speed is apparently higher than comparative example after the present invention is powered, and has good electric abhesiveness, inharmonious speed after energization Degree is fast, can electronic component disassembly quality and efficiency；
2, adhesion strength of the invention and 180 ° of peel strengths are also above comparative example, this adhesion strength is big, peeling force is big, using model It encloses wider.
The above is only the preferred embodiment of the present invention, it is noted that above-mentioned preferred embodiment not+should be regarded as pair Limitation of the invention, protection scope of the present invention should be defined by the scope defined by the claims..For the art For those of ordinary skill, without departing from the spirit and scope of the present invention, several improvements and modifications can also be made, these change It also should be regarded as protection scope of the present invention into retouching.

Claims (10)

1. a kind of double faced adhesive tape with electric abhesiveness, which is characterized in that by include following parts by weight raw material be made: including by Under the supreme release paper (1) set gradually, the first pressure-sensitive adhesive layer (2), the first rubber-plastic foamed layer of EVA (3), the first graphene printing Layer (4), fabric of island-in-sea type polyamide laminate film (5), the second graphene printing layer (6), the 2nd rubber-plastic foamed layer of EVA (7), the second pressure sensitive adhesive Layer (8)；
The fabric of island-in-sea type nylon film is divided into nylon resin to group, and also group is divided into facile hydrolysis polyester resin, and wherein island group is seperated Product accounts for 65~70%, and remainder is sea component；
The upper and lower surface of the fabric of island-in-sea type polyamide laminate film (5) is printed with the first graphene printing layer (4) and the second graphite respectively Alkene printing layer (6)；The first graphene printing layer (4) and the second graphene printing layer (6) have the graphene at multiple intervals Heating film item (91) is constituted, and the extending direction of the extending direction and the double faced adhesive tape of the graphene heating film item (91) is formed Certain angle；On graphene heating film item (91) surface, and it is located at the two sides of the double faced adhesive tape extending direction, respectively It is coated with copper plating film item (92) identical with the double faced adhesive tape extending direction；By the copper plating film item (92) will be all described in Graphene heating film item (91) formation is connected in parallel, and parallel circuit is formed after energization；
A part of first pressure-sensitive adhesive layer (2) is by being impregnated into the rubber-plastic foamed layer of the first EVA (3)；
A part of second pressure-sensitive adhesive layer (8) is by being impregnated into the rubber-plastic foamed layer of the 2nd EVA (7).
2. a kind of preparation method of the double faced adhesive tape as described in claim 1 with electric abhesiveness, which is characterized in that including under Column step:
A, printing forms the first graphene printing layer (4) and the respectively on fabric of island-in-sea type polyamide laminate film (5) up and down two surfaces Two graphene printing layers (6) then on graphene heating film item (91) surface, and are located at the double faced adhesive tape extension side To two sides position, carry out copper facing, formed copper plating film item (92), by the copper plating film item (92) by all graphite Alkene heating film item (91) formation is connected in parallel, and parallel circuit is formed after energization, forms print film；
B, print film is immersed in depletion, carries out decrement treatment, removes the part facile hydrolysis polyester resin on surface；
C, the rubber-plastic foamed slurry of EVA is then coated in the print film upper surface after decrement treatment, foamed, form first The rubber-plastic foamed layer of EVA (3), then the rubber-plastic foamed slurry of EVA is coated in the print film lower surface after decrement treatment, it is sent out Bubble forms the 2nd rubber-plastic foamed layer of EVA (7)；
D, then pressure-sensitive adhesive is uniformly mixed with room temperature blocked isocyanate according to mass ratio 100:3.6~5.5, is coated On the rubber-plastic foamed layer of the first EVA (3), after drying, formed the first pressure-sensitive adhesive layer (2)；Pressure-sensitive adhesive is coated in again On the rubber-plastic foamed layer of 2nd EVA (7), after drying, formed the second pressure-sensitive adhesive layer (8)；Again in first pressure-sensitive adhesive layer (2) Surface is covered with release paper, under the conditions of 55~65 DEG C of temperature, cures 36~56h, and being made described has the two-sided of electric abhesiveness Adhesive tape.
3. the preparation method of the double faced adhesive tape with electric abhesiveness according to claim 2, which is characterized in that in step A, The width of the graphene heating film item (91) is 2~4mm；Spacing between the graphene heating film item (91) is 3~ 5mm。
4. the preparation method of the double faced adhesive tape with electric abhesiveness according to claim 2, which is characterized in that in step B, The NaOH solution that the depletion is 3~6%, 80~90 DEG C of temperature, the progress decrement treatment time is 10~15min.
5. the preparation method of the double faced adhesive tape with electric abhesiveness according to claim 2, which is characterized in that in step B, After carrying out decrement treatment, first in 30~50 DEG C of 2~5% acetum and 2~4min, then with 30~50 DEG C of warm water punching Wash clean.
6. the preparation method of the double faced adhesive tape with electric abhesiveness according to claim 2, which is characterized in that in step C, The rubber-plastic foamed slurry of EVA includes the raw material of following parts by weight: 70~80 parts of ethylene-vinyl acetate copolymer, polyester-polyether 15~25 parts of block copolymer, 2~4 parts of plasticizer, 0.8~1.1 part of bridging agent, 1.4~2.4 parts of foaming agent, micropore regulator 0.6~0.9 part, 0.7~1.1 part of crosslinking agent, 3~5 parts of zinc stearate；The plasticizer is Rhom and Hass, the U.S. THIOKOL TP-95；The foaming agent is blowing agent AC；The bridging agent is bridging agent DCP；The micropore regulator is hydroxyl Block vinyl methyl silicone oil；The crosslinking agent is zinc peroxide.
7. the preparation method of the double faced adhesive tape with electric abhesiveness according to claim 2, which is characterized in that in step C, The porosity of the rubber-plastic foamed layer of first EVA (3) and the 2nd rubber-plastic foamed layer of EVA (7) is 80~90%.
8. the preparation method of the double faced adhesive tape with electric abhesiveness according to claim 2, which is characterized in that in step D, The pressure-sensitive adhesive by include following parts by weight raw material be made: 45~55 parts of Isooctyl acrylate monomer, 4~9 parts of acrylamide, 40~50 parts of butyl acrylate, 7~12 parts of hydroxypropyl acrylate, 3~7 parts of methyl acrylate, the ethyl acetate that mass ratio is 1:1 With 70~90 parts of butanone, 1.3~2.2 parts of azodiisobutyronitrile, 0.6~1 part of lauryl mercaptan, 3~5 parts of toluene di-isocyanate(TDI).
9. having the preparation method of the double faced adhesive tape of electric abhesiveness according to claim 2 or 8, which is characterized in that described The preparation method of pressure-sensitive adhesive includes the following steps:
S1: 45~55 parts of Isooctyl acrylate monomer, 4~9 parts of acrylamide, butyl acrylate 40~50 are weighed respectively by weight 70~90 parts of part, the ethyl acetate that 7~12 parts of hydroxypropyl acrylate, 3~7 parts of methyl acrylate, mass ratio are 1:1 and butanone, 1.3~2.2 parts of azodiisobutyronitrile, 0.6~1 part of lauryl mercaptan, 3~5 parts of toluene di-isocyanate(TDI), hydrogenated rosin resin 25~ 35 parts；
S2: using Isooctyl acrylate monomer as soft monomer, acrylamide is functional hard monomer, and azodiisobutyronitrile is initiator, matter The ethyl acetate and butanone is solvent, lauryl mercaptan is molecular weight regulator that amount ratio is 1:1, carry out polymerization reaction, by whole Isooctyl acrylate monomer and acrylamide, 2/5 azodiisobutyronitrile, half mass ratio be the ethyl acetate and butanone, one of 1:1 After half lauryl mercaptan mixing, prepolymerization is carried out, Azogroup-containing acrylamide prepolymer is obtained；
S3: using butyl acrylate as soft monomer, hydroxypropyl acrylate is functional hard monomer, azodiisobutyronitrile be initiator, The ethyl acetate and butanone that mass ratio is 1:1 are solvent, lauryl mercaptan is molecular weight regulator, carry out polymerization reaction, will be whole Butyl acrylate and hydroxypropyl acrylate, 2/5 azodiisobutyronitrile, half mass ratio be 1:1 ethyl acetate and fourth Ketone, half lauryl mercaptan mixing after, carry out prepolymerization, obtain hydroxypropyl acrylate prepolymer；
S4: above-mentioned Azogroup-containing acrylamide prepolymer and hydroxypropyl acrylate prepolymer are mixed, and methyl acrylate and remaining idol is added Nitrogen bis-isobutyronitrile, continues polymerization reaction, obtains pressure-sensitive sol solution；
S5: hydrogenated rosin resin is added in above-mentioned pressure-sensitive sol solution, is stirred, it is made to be uniformly dispersed；It is cooled to room temperature, Obtain the pressure-sensitive adhesive；
Wherein, point of the step S2 and S3 without sequencing；In use, toluene di-isocyanate(TDI) is added to the pressure-sensitive adhesive In, it is uniformly mixed, that is, can be used.
10. the preparation method of the double faced adhesive tape with electric abhesiveness according to claim 2, which is characterized in that step D In, the room temperature blocked isocyanate is Desmodur BL3175A and the Desmodur BL3272MPA of German Bayer AG Compounding mixture；Desmodur in the compounding mixture of the Desmodur BL3175A and Desmodur BL3272MPA The mass ratio of BL3175A and Desmodur BL3272MPA is 1:0.7~0.9.
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CN105131869A (en) * 2015-09-10 2015-12-09 深圳市美信电子有限公司 Thermal viscosity loss pressure-sensitive adhesive, thermally peelable adhesive tape and preparation methods of thermal viscosity loss pressure-sensitive adhesive and thermally peelable adhesive tape
US20160343466A1 (en) * 2015-05-20 2016-11-24 Jones Tech (USA), Inc. Multi-layer synthetic graphite conductor
CN107160746A (en) * 2017-05-19 2017-09-15 惠州市科域新材料科技有限公司 A kind of inharmonious reticulate protective film of thermic
CN109666417A (en) * 2018-12-18 2019-04-23 东莞市澳中电子材料有限公司 One kind can inharmonious adhesive tape and preparation method thereof
CN109705759A (en) * 2018-12-18 2019-05-03 东莞市澳中电子材料有限公司 Inharmonious adhesive tape and preparation method thereof after a kind of energization

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102762682A (en) * 2009-12-21 2012-10-31 德莎欧洲公司 Inductively heatable adhesive tape having differential detachment properties
US20160343466A1 (en) * 2015-05-20 2016-11-24 Jones Tech (USA), Inc. Multi-layer synthetic graphite conductor
CN105131869A (en) * 2015-09-10 2015-12-09 深圳市美信电子有限公司 Thermal viscosity loss pressure-sensitive adhesive, thermally peelable adhesive tape and preparation methods of thermal viscosity loss pressure-sensitive adhesive and thermally peelable adhesive tape
CN107160746A (en) * 2017-05-19 2017-09-15 惠州市科域新材料科技有限公司 A kind of inharmonious reticulate protective film of thermic
CN109666417A (en) * 2018-12-18 2019-04-23 东莞市澳中电子材料有限公司 One kind can inharmonious adhesive tape and preparation method thereof
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