CN106281085A - A kind of auto-parts self-adhesion gas shielded adhesive tape and preparation method thereof - Google Patents

A kind of auto-parts self-adhesion gas shielded adhesive tape and preparation method thereof Download PDF

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Publication number
CN106281085A
CN106281085A CN201610685733.2A CN201610685733A CN106281085A CN 106281085 A CN106281085 A CN 106281085A CN 201610685733 A CN201610685733 A CN 201610685733A CN 106281085 A CN106281085 A CN 106281085A
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auto
adhesive tape
gas shielded
ethylene
layer
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方振华
任忠平
叶建彭
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Ningbo Zhuo Shengxin Material Co Ltd
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Ningbo Zhuo Shengxin Material Co Ltd
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    • 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
    • C09J123/00—Adhesives based on homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Adhesives based on derivatives of such polymers
    • C09J123/02—Adhesives based on homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Adhesives based on derivatives of such polymers not modified by chemical after-treatment
    • C09J123/04—Homopolymers or copolymers of ethene
    • C09J123/08—Copolymers of ethene
    • C09J123/0846—Copolymers of ethene with unsaturated hydrocarbons containing other atoms than carbon or hydrogen atoms
    • C09J123/0853—Vinylacetate
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B27/08—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/18—Layered products comprising a layer of synthetic resin characterised by the use of special additives
    • B32B27/20—Layered products comprising a layer of synthetic resin characterised by the use of special additives using fillers, pigments, thixotroping agents
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/30—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers
    • B32B27/306—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers comprising vinyl acetate or vinyl alcohol (co)polymers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/32—Layered products comprising a layer of synthetic resin comprising polyolefins
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
    • B32B7/04—Interconnection of layers
    • B32B7/06—Interconnection of layers permitting easy separation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2250/00—Layers arrangement
    • B32B2250/02—2 layers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2250/00—Layers arrangement
    • B32B2250/24—All layers being polymeric
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2405/00—Adhesive articles, e.g. adhesive tapes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2605/00—Vehicles
    • B32B2605/08—Cars
    • 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
    • C09J2203/00—Applications of adhesives in processes or use of adhesives in the form of films or foils
    • C09J2203/306—Applications of adhesives in processes or use of adhesives in the form of films or foils for protecting painted surfaces, e.g. of cars
    • 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
    • C09J2301/312—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 parameters being the characterizing feature
    • 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
    • C09J2301/40—Additional features of adhesives in the form of films or foils characterized by the presence of essential components
    • C09J2301/41—Additional features of adhesives in the form of films or foils characterized by the presence of essential components additives as essential feature of the carrier layer

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Adhesive Tapes (AREA)

Abstract

The present invention relates to a kind of auto-parts self-adhesion gas shielded adhesive tape and preparation method thereof, including substrate layer, intermediate layer and adhesive layer, described substrate layer is polypropylene；Described intermediate layer is ethylene-alpha-olefin copolymer B；Described adhesive layer is one or both in ethylene-vinyl acetate copolymer, ethylene-alpha-olefin copolymer A.Preparation method includes: supply adhesive layer, intermediate layer, substrate layer raw material to die head respectively by three material roads; by die head, described adhesive layer, intermediate layer, substrate layer raw material are combined casting film-forming, through cooling and shaping, cut after obtain auto-parts self-adhesion gas shielded adhesive tape.Peel strength of the present invention is suitable, and will not As time goes on be peeling intensity and rise and be difficult to peel off, will not be because compression shock cause spare and accessory parts surface cull in roll-in, punching press processing procedure；Preparation method is simple, and low cost has a good application prospect.

Description

A kind of auto-parts self-adhesion gas shielded adhesive tape and preparation method thereof
Technical field
The invention belongs to auto-parts surface protection field, particularly to a kind of auto-parts self-adhesion gas shielded glue Band and preparation method thereof.
Background technology
Auto-parts produce in preparation process relate to roll-in, punching press, cross cutting, wash, etching etc. is made.Spare and accessory parts Product, as a part for vehicle complete vehicle, requires that in processing procedure product face must not have scuffing, abrasion, watermark, mist shadow, dust etc. to lack Fall into.Generally use common PE in current domestic conventional manufacturing process, CPP is that base material is formed by acrylic resins of painting adhesive Thin film, as protection, is attached at product surface and prevents product surface in processing procedure from damage occur.
Require that surface protection tape has suitable peel strength as protection adhesive tape, on the one hand need to keep tolerance difference Use the bond properties of environment, on the other hand can readily peel off when completing surface protecting function, and require not pollute Spare and accessory parts surface, does not remain the vestige of protection adhesive tape on spare and accessory parts surface.In the bright panel of automobile, aluminum alloy surface, especially It is strict with surface protection tape and does not pollute spare and accessory parts surface, and not because of the out-of-flatness defect such as bubble, flake in protection adhesive tape Or folds etc. produce hollow, impression on spare and accessory parts surface, scratch or the defect such as deformation.This requirement is along with internal vapor garage The development of industry becomes increasingly stricter, and after pasting protection adhesive tape on spare and accessory parts surface, after roll-in, punching press, spare and accessory parts wait until Mould required form, in the case of compression shock, owing to being affected by impact etc., protection adhesive tape bears extruding, so sometimes Cull can be produced, or owing to adhesive tape pastes residual bubble, the out-of-flatness brought because of tape surface bubble after bearing deformation Produce tape surface sometimes damaged, in turn result in spare and accessory parts surface and produce the defects such as scuffing, impression.
It should be noted that protection adhesive tape generally supplies with web-like, tape thickness is uniform, and adhesive is evenly distributed in glue Band inner face.Current protection adhesive tape type mainly has composite co-extruding adhesive tape, reaches glutinous by tackifying resin compound on base material and covers Effect；Another kind is that binder resin can be divided into again acrylic resin, emulsion-type by being coated with binder resin formation on base material Acrylic acid, rubber three types.
As it has been described above, auto-parts surface protection tape is required for full in membrane material characteristic and manufacturing process two aspect Foot, proposes a lot of schemes for this.As being used for preventing auto-parts surface protection tape from producing air bubble problem in processing procedure, carry Go out reticulate pattern protection adhesive tape and imprint out inducing QI grid in the substrate.But this scheme particularly easily produces after shining surfaces pastes Grid mark.It addition, punching press, nipping process improve common protection adhesive tape cull problem as improving, it is proposed that increase gluing Agent cohesiveness and base material do pretreatment increases the work of base adhesion force.And then, after using protection adhesive tape to be attached to spare and accessory parts surface, Enforcement punching press, roll-in, water mill, cut-out processing improve processing procedure protective capability and put forward various plans.But all have his own strong points, do not find Not only possessed and excellent pasted performance, but also the perfect relevant protection adhesive tape meeting spare and accessory parts processing procedure.
Summary of the invention
The technical problem to be solved is to provide a kind of auto-parts self-adhesion gas shielded adhesive tape and preparation thereof Method, this protection adhesive tape overcome because small paste out-of-flatness or cull and cause spare and accessory parts surface produce pollute or impression Technical problem.
A kind of auto-parts self-adhesion gas shielded adhesive tape of the present invention, including substrate layer, intermediate layer and adhesive layer, described Substrate layer is polypropylene；Described intermediate layer is ethylene-alpha-olefin copolymer B；Described adhesive layer be ethylene-vinyl acetate copolymer, One or both (A, B represent two kinds of different ethylene-alpha-olefin copolymers) in ethylene-alpha-olefin copolymer A.
In described adhesive layer, ethylene-vinyl acetate copolymer content exists at 0-85%, ethylene-alpha-olefin copolymer A content 15-100%.
Described polyacrylic density is 0.90-0.91g/cm3, fusing point is 167-170 DEG C, and melt index MI is 0.5-2g/ 10min.Acrylic resin needs suitable fusing point, softening point, toughness, the transparency, impact strength.
The density of described ethylene-alpha-olefin copolymer B is 0.918～0.935g/cm3, melt index MI is 0.1-1.9g/ 10min, fusing point is 121-127 DEG C.Owing to ethylene-alpha-olefin copolymer B has short-side chain, play after polypropene blended simultaneously Toughening effect, higher anti-stretches intensity, penetration-resistant, tear resistance and percentage elongation to make protection adhesive tape have.
Described ethylene-vinyl acetate copolymer is by thermoplastic a kind of obtained by ethylene and two kinds of monomer copolymerizations of vinyl acetate Property resin, its character is relevant with the content of its vinylacetate (VA), and along with VA content increases, light transmittance raises, material soft Toughness strengthens, and adhesive property increases the most therewith；But increasing of VA group also results in the degree of crystallinity of resin itself, machinery by force simultaneously The performances such as degree, heat distortion temperature reduce.So that reach good bonding between protection adhesive tape and spare and accessory parts smooth surface, properly Stripping performance, the ethylene-vinyl acetate copolymer VA content arrived designed by the present invention is between 5%-45%.Density is 0.935-0.947g/cm3Between, between melt index (MI) 3-30g/10min, fusing point is between 60-87 DEG C.
Ethylene-alpha-olefin copolymer (A) its density that described adhesive layer relates to is 0.870-0.915g/cm3, octene list During body copolymerization between comonomer octene content 20%-30%, between melt index (MI) 1-10g/10min, fusing point is at 40-60 Between DEG C.The structure of adhesive layer ensure that surface protection film can be achieved without polluting spare and accessory parts surface formation cull, and with Adhesive surface peel strength is suitable.The problems such as cull are not had, in carrying out punching press, nipping process even across high-temperature process yet Also the phenomenons such as cull are not had.
The light being also added with the antioxidant of gross mass 0.1%-0.5% and/or gross mass 0.1%-2% in described intermediate layer is steady Determine agent.
Owing to ethylene-alpha-olefin copolymer of the present invention, ethylene-vinyl acetate copolymer melt temperature are relatively low, and Containing tertiary hydrogen class active hydrogen in two kinds of polymer.At heat, light or the work of oxygen during compound extruded and during normal use Under with, the chemical bond of organic molecule ruptures, and generates active free radical and hydroperoxides.Hydroperoxides are decomposed Reaction, also generates alkoxy free group and hydroxyl radical free radical.These free radicals can cause a series of free chain reaction, leads Cause structure and the character generation fundamental change of organic compound, and then affect protected surface, need to add appropriate metrology The free radical that antioxidant elimination produces, or promote the decomposition of hydroperoxides, stop the carrying out of chain reaction.
Described antioxidant is made up of primary antioxidant and auxiliary antioxidant；Wherein, primary antioxidant is aromatic amine antioxidant, is subject to Resistance phenolic antioxidant in one or both；Auxiliary antioxidant is thioether class or organic phosphorus compound.
The mass ratio of described primary antioxidant and auxiliary anti-oxidant is 4:1-2:1.
Described aromatic amine antioxidant can be the compounds such as diphenylamines, p-phenylenediamine and dihydroquinoline and derivant thereof or Polymer.
Described Hinered phenols antioxidant can be 2,6-di-tert-butyl-4-methy phenol, double (3,5-di-t-butyl-4-hydroxyls Base phenyl) thioether, four (β-(3,5-di-tert-butyl-hydroxy phenyl) propanoic acid) pentaerythritol ester etc..
Described auxiliary antioxidant can be thio-2 acid dibasic acid esters, double Lauryl Alcohol ester, double ten four carbon alcohols esters, double 18 Carbon alcohol ester, three monooctyl esters, three the last of the ten Heavenly stems ester, three (Lauryl Alcohol) ester, three (16 carbon alcohol) ester, phosphorous acid esters etc..
Meanwhile, unescapable meeting in process and transportation is used to receive the radiation of ultraviolet light and then right at protection adhesive tape Protection adhesive tape produces photoaging, decomposition, causes protection tape performance to decline, and further impact is by the quality in protection face.In order to Such issues that overcome need to add the light stabilizer of appropriate metrology in intermediate layer and substrate layer.It can shield or absorb the energy of ultraviolet Amount, quenching singlet oxygen and hydroperoxide decomposition is become the functions such as inert matter, make high molecular polymer in the radiation of light Under, can get rid of or slow down photochemical reaction probability, stoping or postpone the process of photoaging, thus reach to extend high molecular polymerization The purpose in Tetramune service life.
Described light stabilizer can be oxybenzoic acid phenyl ester, 2-(2-hydroxy-5-methyl base phenyl) BTA, 2,4 dihydroxyl benzophenone, ESCALOL 567, Octabenzone, 2-(2-hydroxyl The tertiary phenyl of base-3,5-two)-5-chlorination benzotriazole, single benzoic acid resorcinol, 2,2 '-thiobis (4-t-octyl phenol oxygen Base) nickel, three (1,2,2,6,6-pempidine base) phosphite ester, 4 benzoyloxy 2,2,6,6 tetramethyl piperidine, 2,4,6- Three (2 ' n-butoxyphenyl)-1,3,5-triazine etc..
The preparation method of a kind of auto-parts self-adhesion gas shielded adhesive tape of the present invention, comprises the steps:
Adhesive layer, intermediate layer, substrate layer raw material is supplied to die head respectively, by die head by described bonding by three material roads Layer, intermediate layer, substrate layer raw material are combined casting film-forming, through cooling and shaping, cut after obtain auto-parts self-adhesion gas protect Retaining tape.
Described substrate layer thickness is 10-15 μm, and intermediate layer thickness is 1-10 μm, and bondline thickness is 5-30 μm.
Substrate layer tract temperature is 230-250 DEG C；Intermediate layer and adhesive layer tract temperature are 70-120 DEG C；In cooling and shaping Chill-roll temperature is 0-30 DEG C, and chill roll surface temperature difference is less than 0.1 DEG C.
Beneficial effect
Peel strength of the present invention is suitable, and will not As time goes on be peeling intensity and rise and be difficult to peel off, will not Because compression shock causes spare and accessory parts surface cull in roll-in, punching press processing procedure；Preparation method is simple, low cost, has good Application prospect.
Detailed description of the invention
Below in conjunction with specific embodiment, the present invention is expanded on further.Should be understood that these embodiments are merely to illustrate the present invention Rather than restriction the scope of the present invention.In addition, it is to be understood that after having read the content that the present invention lectures, people in the art The present invention can be made various changes or modifications by member, and these equivalent form of values fall within the application appended claims equally and limited Scope.
Embodiment 1
Substrate layer raw material: polypropylene.Density is 0.90g/cm3, fusing point is 167 DEG C, and melt index MI is 0.5g/10min.
Intermediate layer raw material: the density of ethylene-alpha-olefin copolymer B is 0.918g/cm3, melt index MI is 0.2g/ 10min, fusing point is 121 DEG C.
Adhesive layer raw material: the VA content of ethylene-vinyl acetate copolymer is 5%, density is 0.935g/cm3, melt index MI is 3g/10min, and fusing point is 60 DEG C；The density of ethylene-alpha-olefin copolymer A is 0.870g/cm3, melt index MI is 1g/ 10min, fusing point is 40 DEG C.Ethylene-alpha-olefin copolymer A content is 40%.
Antioxidant: intermediate layer gross mass 0.1%, mass ratio is the diphenylamines of 4:1 and double Lauryl Alcohol ester.
Light stabilizer: intermediate layer gross mass 0.2%, oxybenzoic acid phenyl ester.
Preparation method includes:
Adhesive layer, intermediate layer, substrate layer raw material is supplied to die head respectively, by die head by described bonding by three material roads Layer, intermediate layer, substrate layer raw material are combined casting film-forming, through cooling and shaping, cut after obtain auto-parts self-adhesion gas protect Retaining tape.Wherein, substrate layer tract temperature is 230 DEG C；Intermediate layer and adhesive layer tract temperature are 70 DEG C；Cooling and shaping cools down Roll temperature is 5 DEG C, and chill roll surface temperature difference is less than 0.1 DEG C.Described substrate layer thickness is 10 μm, and intermediate layer thickness is 2 μm, viscous Closing layer thickness is 5 μm.
Embodiment 2
Substrate layer raw material: polypropylene.Density is 0.91g/cm3, fusing point is 168 DEG C, and melt index MI is 1g/10min.
Intermediate layer raw material: the density of ethylene-alpha-olefin copolymer B is 0.925g/cm3, melt index MI is 1.0g/ 10min, fusing point is 124 DEG C.
Adhesive layer raw material: the VA content of ethylene-vinyl acetate copolymer is 20%, density is 0.942g/cm3, melted finger Number MI is 15g/10min, and fusing point is 70 DEG C；The density of ethylene-alpha-olefin copolymer A is 0.893g/cm3, melt index MI is 6g/10min, fusing point is 50 DEG C.Ethylene-alpha-olefin copolymer A content is 50%.
Antioxidant: intermediate layer gross mass 0.5%, mass ratio is p-phenylenediamine and three monooctyl esters of 2:1.
Light stabilizer: intermediate layer gross mass 0.5%, three (1,2,2,6,6-pempidine base) phosphite ester.
Preparation method includes:
Adhesive layer, intermediate layer, substrate layer raw material is supplied to die head respectively, by die head by described bonding by three material roads Layer, intermediate layer, substrate layer raw material are combined casting film-forming, through cooling and shaping, cut after obtain auto-parts self-adhesion gas protect Retaining tape.Wherein, substrate layer tract temperature is 240 DEG C；Intermediate layer and adhesive layer tract temperature are 90 DEG C；Cooling and shaping cools down Roll temperature is 10 DEG C, and chill roll surface temperature difference is less than 0.1 DEG C.Described substrate layer thickness is 12 μm, and intermediate layer thickness is 5 μm, Bondline thickness is 10 μm.
Embodiment 3
Substrate layer raw material: polypropylene.Density is 0.90g/cm3, fusing point is 170 DEG C, and melt index MI is 2g/10min.
Intermediate layer raw material: the density of ethylene-alpha-olefin copolymer B is 0.935g/cm3, melt index MI is 1.9g/ 10min, fusing point is 127 DEG C.
Adhesive layer raw material: the VA content of ethylene-vinyl acetate copolymer is 45%, density is 0.947g/cm3, melted finger Number MI is 30g/10min, and fusing point is 87 DEG C；The density of ethylene-alpha-olefin copolymer A is 0.915g/cm3, melt index MI is 10g/10min, fusing point is 60 DEG C.Ethylene-alpha-olefin copolymer A content is 60%.
Antioxidant: intermediate layer gross mass 0.3%, mass ratio is the 2 of 3:1,6-di-tert-butyl-4-methy phenol and sulfur generation two Propanoic acid dibasic acid esters.
Light stabilizer: intermediate layer gross mass 1%, 2-(2-hydroxyl-3, the tertiary phenyl of 5-bis-)-5-chlorination benzotriazole.
Preparation method includes:
Adhesive layer, intermediate layer, substrate layer raw material is supplied to die head respectively, by die head by described bonding by three material roads Layer, intermediate layer, substrate layer raw material are combined casting film-forming, through cooling and shaping, cut after obtain auto-parts self-adhesion gas protect Retaining tape.Wherein, substrate layer tract temperature is 250 DEG C；Intermediate layer and adhesive layer tract temperature are 120 DEG C；In cooling and shaping cold But roll temperature is 15 DEG C, and chill roll surface temperature difference is less than 0.1 DEG C.Described substrate layer thickness is 15 μm, and intermediate layer thickness is 10 μ M, bondline thickness is 30 μm.

Claims (9)

1. an auto-parts self-adhesion gas shielded adhesive tape, including substrate layer, intermediate layer and adhesive layer, it is characterised in that: institute Stating substrate layer is polypropylene；Described intermediate layer is ethylene-alpha-olefin copolymer B；Described adhesive layer is ethene-vinyl acetate copolymerization One or both in thing, ethylene-alpha-olefin copolymer A.
A kind of auto-parts self-adhesion gas shielded adhesive tape the most according to claim 1, it is characterised in that: described polypropylene Density be 0.90-0.91g/cm3, fusing point is 167-170 DEG C, and melt index MI is 0.5-2g/10min.
A kind of auto-parts self-adhesion gas shielded adhesive tape the most according to claim 1, it is characterised in that: described ethylene-α The density of olefin copolymer B is 0.918～0.935g/cm3, melt index MI is 0.1-1.9g/10min, and fusing point is 121-127 ℃。
A kind of auto-parts self-adhesion gas shielded adhesive tape the most according to claim 1, it is characterised in that: described ethylene- The VA content of acetate ethylene copolymer is 5%-45%, and density is 0.935-0.947g/cm3, melt index MI is 3-30g/ 10min, fusing point is 60-87 DEG C；The density of ethylene-alpha-olefin copolymer A is 0.870-0.915g/cm3, melt index MI is 1- 10g/10min, fusing point is 40-60 DEG C.
A kind of auto-parts self-adhesion gas shielded adhesive tape the most according to claim 1, it is characterised in that: described intermediate layer In be also added with the antioxidant of gross mass 0.1%-0.5% and/or the light stabilizer of gross mass 0.1%-2%.
A kind of auto-parts self-adhesion gas shielded adhesive tape the most according to claim 5, it is characterised in that: described antioxidant It is made up of primary antioxidant and auxiliary antioxidant；Wherein, during primary antioxidant is aromatic amine antioxidant, Hinered phenols antioxidant Plant or two kinds.
7. a preparation method for auto-parts self-adhesion gas shielded adhesive tape as claimed in claim 1, comprises the steps:
By three material roads respectively to die head supply adhesive layer, intermediate layer, substrate layer raw material, by die head by described adhesive layer, in Interbed, substrate layer raw material are combined casting film-forming, through cooling and shaping, cut after obtain auto-parts self-adhesion gas shielded glue Band.
The preparation method of a kind of auto-parts self-adhesion gas shielded adhesive tape the most according to claim 7, it is characterised in that: Described substrate layer thickness is 10-15 μm, and intermediate layer thickness is 1-10 μm, and bondline thickness is 5-30 μm.
The preparation method of a kind of auto-parts self-adhesion gas shielded adhesive tape the most according to claim 7, it is characterised in that: Substrate layer tract temperature is 230-250 DEG C；Intermediate layer and adhesive layer tract temperature are 70-120 DEG C；Chill roll temperature in cooling and shaping Degree is for 0-30 DEG C, and chill roll surface temperature difference is less than 0.1 DEG C.
CN201610685733.2A 2016-08-18 2016-08-18 A kind of auto-parts self-adhesion gas shielded adhesive tape and preparation method thereof Pending CN106281085A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111145635A (en) * 2019-12-26 2020-05-12 深圳深汕特别合作区昌茂粘胶新材料有限公司 PE/EVA foam adhesive tape and preparation method thereof

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1178820A (en) * 1997-11-27 1998-04-15 王建国 Polypropene pressure sensitive adhesive tape and making method
CN2703757Y (en) * 2004-05-12 2005-06-08 上海大智企业(集团)有限公司 Self-adhesive type surface protection film for composite board
JP2008255233A (en) * 2007-04-05 2008-10-23 Du Pont Mitsui Polychem Co Ltd Pressure-sensitive adhesive film or sheet
CN102464818A (en) * 2010-11-12 2012-05-23 昆山永翔光电科技有限公司 Film for photovoltaic module back protective film and preparation method thereof
CN103182820A (en) * 2013-03-10 2013-07-03 湖北慧狮塑业股份有限公司 CPP direct response membrane
CN103930500A (en) * 2011-11-15 2014-07-16 三井—杜邦聚合化学株式会社 Pressure-sensitive adhesive film or sheet, surface protecting film or sheet, and method for using pressure-sensitive adhesive film or sheet to protect surface of article
CN104220548A (en) * 2012-04-10 2014-12-17 东洋纺株式会社 Self-adhesive surface protection film

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1178820A (en) * 1997-11-27 1998-04-15 王建国 Polypropene pressure sensitive adhesive tape and making method
CN2703757Y (en) * 2004-05-12 2005-06-08 上海大智企业(集团)有限公司 Self-adhesive type surface protection film for composite board
JP2008255233A (en) * 2007-04-05 2008-10-23 Du Pont Mitsui Polychem Co Ltd Pressure-sensitive adhesive film or sheet
CN102464818A (en) * 2010-11-12 2012-05-23 昆山永翔光电科技有限公司 Film for photovoltaic module back protective film and preparation method thereof
CN103930500A (en) * 2011-11-15 2014-07-16 三井—杜邦聚合化学株式会社 Pressure-sensitive adhesive film or sheet, surface protecting film or sheet, and method for using pressure-sensitive adhesive film or sheet to protect surface of article
CN104220548A (en) * 2012-04-10 2014-12-17 东洋纺株式会社 Self-adhesive surface protection film
CN103182820A (en) * 2013-03-10 2013-07-03 湖北慧狮塑业股份有限公司 CPP direct response membrane

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111145635A (en) * 2019-12-26 2020-05-12 深圳深汕特别合作区昌茂粘胶新材料有限公司 PE/EVA foam adhesive tape and preparation method thereof

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