CN111944448A - Foam adhesive film capable of spray painting and printing and preparation method thereof - Google Patents
Foam adhesive film capable of spray painting and printing and preparation method thereof Download PDFInfo
- Publication number
- CN111944448A CN111944448A CN202010990181.2A CN202010990181A CN111944448A CN 111944448 A CN111944448 A CN 111944448A CN 202010990181 A CN202010990181 A CN 202010990181A CN 111944448 A CN111944448 A CN 111944448A
- Authority
- CN
- China
- Prior art keywords
- layer
- foaming
- air guide
- foam
- adhesive
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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- 239000002313 adhesive film Substances 0.000 title claims abstract description 24
- 238000002360 preparation method Methods 0.000 title claims abstract description 10
- 239000006260 foam Substances 0.000 title claims description 34
- 238000007639 printing Methods 0.000 title claims description 15
- 238000007592 spray painting technique Methods 0.000 title claims description 10
- 238000005187 foaming Methods 0.000 claims abstract description 74
- 239000010410 layer Substances 0.000 claims description 133
- 239000011248 coating agent Substances 0.000 claims description 45
- 238000000576 coating method Methods 0.000 claims description 45
- 239000012790 adhesive layer Substances 0.000 claims description 40
- 239000004820 Pressure-sensitive adhesive Substances 0.000 claims description 34
- 239000000758 substrate Substances 0.000 claims description 27
- 239000000463 material Substances 0.000 claims description 25
- 229920005989 resin Polymers 0.000 claims description 17
- 239000011347 resin Substances 0.000 claims description 17
- 239000004698 Polyethylene Substances 0.000 claims description 16
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 16
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims description 14
- 239000000843 powder Substances 0.000 claims description 13
- 239000004925 Acrylic resin Substances 0.000 claims description 12
- 229920000178 Acrylic resin Polymers 0.000 claims description 12
- 229920002635 polyurethane Polymers 0.000 claims description 12
- 239000004814 polyurethane Substances 0.000 claims description 12
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 11
- 238000001035 drying Methods 0.000 claims description 11
- 229920005749 polyurethane resin Polymers 0.000 claims description 11
- 239000004831 Hot glue Substances 0.000 claims description 9
- 239000011247 coating layer Substances 0.000 claims description 8
- 239000005038 ethylene vinyl acetate Substances 0.000 claims description 8
- 229920001200 poly(ethylene-vinyl acetate) Polymers 0.000 claims description 8
- 239000007921 spray Substances 0.000 claims description 8
- 239000004372 Polyvinyl alcohol Substances 0.000 claims description 7
- 229910000019 calcium carbonate Inorganic materials 0.000 claims description 7
- 239000000203 mixture Substances 0.000 claims description 7
- 229920002451 polyvinyl alcohol Polymers 0.000 claims description 7
- 239000000377 silicon dioxide Substances 0.000 claims description 7
- 238000013329 compounding Methods 0.000 claims description 6
- 239000004088 foaming agent Substances 0.000 claims description 6
- 239000004408 titanium dioxide Substances 0.000 claims description 5
- FRCHKSNAZZFGCA-UHFFFAOYSA-N 1,1-dichloro-1-fluoroethane Chemical compound CC(F)(Cl)Cl FRCHKSNAZZFGCA-UHFFFAOYSA-N 0.000 claims description 3
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 claims description 3
- 239000004721 Polyphenylene oxide Substances 0.000 claims description 3
- 239000002518 antifoaming agent Substances 0.000 claims description 3
- DQXBYHZEEUGOBF-UHFFFAOYSA-N but-3-enoic acid;ethene Chemical compound C=C.OC(=O)CC=C DQXBYHZEEUGOBF-UHFFFAOYSA-N 0.000 claims description 3
- 239000003054 catalyst Substances 0.000 claims description 3
- HGAZMNJKRQFZKS-UHFFFAOYSA-N chloroethene;ethenyl acetate Chemical compound ClC=C.CC(=O)OC=C HGAZMNJKRQFZKS-UHFFFAOYSA-N 0.000 claims description 3
- 239000012948 isocyanate Substances 0.000 claims description 3
- 150000002513 isocyanates Chemical class 0.000 claims description 3
- 229920001684 low density polyethylene Polymers 0.000 claims description 3
- 239000004702 low-density polyethylene Substances 0.000 claims description 3
- KDJWMFCUBPDKGO-UHFFFAOYSA-N n-trimethylsilylethenamine Chemical compound C[Si](C)(C)NC=C KDJWMFCUBPDKGO-UHFFFAOYSA-N 0.000 claims description 3
- 229920005906 polyester polyol Polymers 0.000 claims description 3
- 229920000570 polyether Polymers 0.000 claims description 3
- 229920005862 polyol Polymers 0.000 claims description 3
- 150000003077 polyols Chemical class 0.000 claims description 3
- 239000004094 surface-active agent Substances 0.000 claims description 3
- HGTUJZTUQFXBIH-UHFFFAOYSA-N (2,3-dimethyl-3-phenylbutan-2-yl)benzene Chemical group C=1C=CC=CC=1C(C)(C)C(C)(C)C1=CC=CC=C1 HGTUJZTUQFXBIH-UHFFFAOYSA-N 0.000 claims description 2
- 229920005830 Polyurethane Foam Polymers 0.000 claims description 2
- 238000002156 mixing Methods 0.000 claims description 2
- 239000011496 polyurethane foam Substances 0.000 claims description 2
- 239000002904 solvent Substances 0.000 claims description 2
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims 1
- 229920006327 polystyrene foam Polymers 0.000 claims 1
- 229920002050 silicone resin Polymers 0.000 claims 1
- 239000000853 adhesive Substances 0.000 abstract description 14
- 230000001070 adhesive effect Effects 0.000 abstract description 14
- 230000000694 effects Effects 0.000 abstract description 6
- 238000000034 method Methods 0.000 abstract description 6
- 238000003825 pressing Methods 0.000 abstract description 3
- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 12
- 239000004743 Polypropylene Substances 0.000 description 8
- 229920000139 polyethylene terephthalate Polymers 0.000 description 6
- 230000006835 compression Effects 0.000 description 5
- 238000007906 compression Methods 0.000 description 5
- 238000001125 extrusion Methods 0.000 description 5
- 238000005096 rolling process Methods 0.000 description 5
- 235000012239 silicon dioxide Nutrition 0.000 description 5
- 229920002545 silicone oil Polymers 0.000 description 5
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 4
- 239000003292 glue Substances 0.000 description 4
- 229910052710 silicon Inorganic materials 0.000 description 4
- 239000010703 silicon Substances 0.000 description 4
- 235000010215 titanium dioxide Nutrition 0.000 description 4
- 229920002799 BoPET Polymers 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 3
- 239000003795 chemical substances by application Substances 0.000 description 3
- 239000012943 hotmelt Substances 0.000 description 3
- 238000010422 painting Methods 0.000 description 3
- 230000000704 physical effect Effects 0.000 description 3
- 239000002985 plastic film Substances 0.000 description 3
- 229920006255 plastic film Polymers 0.000 description 3
- 238000005507 spraying Methods 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 description 2
- 239000004793 Polystyrene Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 2
- 229920002223 polystyrene Polymers 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- XMNIXWIUMCBBBL-UHFFFAOYSA-N 2-(2-phenylpropan-2-ylperoxy)propan-2-ylbenzene Chemical compound C=1C=CC=CC=1C(C)(C)OOC(C)(C)C1=CC=CC=C1 XMNIXWIUMCBBBL-UHFFFAOYSA-N 0.000 description 1
- 239000004156 Azodicarbonamide Substances 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
- 150000001412 amines Chemical class 0.000 description 1
- XOZUGNYVDXMRKW-AATRIKPKSA-N azodicarbonamide Chemical compound NC(=O)\N=N\C(N)=O XOZUGNYVDXMRKW-AATRIKPKSA-N 0.000 description 1
- 235000019399 azodicarbonamide Nutrition 0.000 description 1
- 238000004132 cross linking Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 239000011259 mixed solution Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 229920001225 polyester resin Polymers 0.000 description 1
- 239000004645 polyester resin Substances 0.000 description 1
- -1 polypropylene Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 239000012974 tin catalyst Substances 0.000 description 1
Images
Classifications
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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
- 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
- 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
-
- 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
- C08J9/12—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 physical blowing agent
- C08J9/14—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 physical blowing agent organic
- C08J9/143—Halogen containing compounds
- C08J9/144—Halogen containing compounds containing carbon, halogen and hydrogen only
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D133/00—Coating compositions 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; Coating compositions based on derivatives of such polymers
- C09D133/04—Homopolymers or copolymers of esters
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D175/00—Coating compositions based on polyureas or polyurethanes; Coating compositions based on derivatives of such polymers
- C09D175/04—Polyurethanes
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/61—Additives non-macromolecular inorganic
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/65—Additives macromolecular
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- 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
- C08J2203/14—Saturated hydrocarbons, e.g. butane; Unspecified hydrocarbons
- C08J2203/142—Halogenated saturated hydrocarbons, e.g. H3C-CF3
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- 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
- C08J2203/18—Binary blends of expanding agents
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2323/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
- C08J2323/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
- C08J2323/04—Homopolymers or copolymers of ethene
- C08J2323/06—Polyethene
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2375/00—Characterised by the use of polyureas or polyurethanes; Derivatives of such polymers
- C08J2375/04—Polyurethanes
- C08J2375/06—Polyurethanes from polyesters
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2375/00—Characterised by the use of polyureas or polyurethanes; Derivatives of such polymers
- C08J2375/04—Polyurethanes
- C08J2375/08—Polyurethanes from polyethers
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2237—Oxides; Hydroxides of metals of titanium
- C08K2003/2241—Titanium dioxide
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/24—Acids; Salts thereof
- C08K3/26—Carbonates; Bicarbonates
- C08K2003/265—Calcium, strontium or barium carbonate
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/54—Silicon-containing compounds
- C08K5/541—Silicon-containing compounds containing oxygen
- C08K5/5425—Silicon-containing compounds containing oxygen containing at least one C=C bond
-
- 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
- C09J2423/00—Presence of polyolefin
- C09J2423/10—Presence of homo or copolymers of propene
- C09J2423/106—Presence of homo or copolymers of propene 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
- C09J2467/00—Presence of polyester
- C09J2467/006—Presence of polyester in the substrate
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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
- C09J2475/00—Presence of polyurethane
-
- 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
- C09J2475/00—Presence of polyurethane
- C09J2475/006—Presence of polyurethane in the substrate
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Wood Science & Technology (AREA)
- Medicinal Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Polymers & Plastics (AREA)
- Inorganic Chemistry (AREA)
- Adhesives Or Adhesive Processes (AREA)
- Adhesive Tapes (AREA)
Abstract
The invention discloses a foaming adhesive film capable of being sprayed and printed and a preparation method thereof. The foaming air guide layer is arranged, so that the micro bubbles in the foaming air guide layer can be compressed by pressing the foaming air guide layer in the film adhering process, air in the bubbles formed on the adhesive surface is sucked into the micro bubbles, the effect of eliminating the bubbles on the adhesive surface is achieved, the adhesive surface is kept clean and tidy, meanwhile, due to the fact that the number of micro bubbles in the foaming air guide layer is large, the film can be torn off completely, and residues are reduced.
Description
Technical Field
The invention relates to the technical field of advertising materials, in particular to a foam adhesive film capable of being sprayed and printed and a preparation method thereof.
Background
The sticking film capable of spraying, painting and printing is an advertisement marking material which is widely used, the structure of the sticking film mainly comprises a base material, a coating layer can be additionally arranged on the surface of the base material to meet the requirements of spraying, painting and printing, and a glue layer and a release layer are arranged on the back surface of the base material, wherein the glue layer is generally a pressure-sensitive adhesive, and the release layer is generally paper or a plastic film coated with a release agent.
Above-mentioned pad pasting needs the professional technical staff can be better in the use the pad pasting needs paste on the surface, the glue face of ordinary pad pasting is smooth surface generally, because the viscidity reason of the glue face when pasting to the adherend surface, the pad pasting can be pasted rapidly on the adherend surface, lead to the unable exhaust of air between pad pasting and adherend surface, form the bubble, and because the face of gluing closely combines with the adherend surface, make the air seal up forever, form permanent bubble, the outward appearance and the result of use of greatly influence picture.
The application publication No. CN110452627A discloses a PP (polypropylene) back adhesive film and a manufacturing method thereof, wherein the PP back adhesive film comprises a PP layer, an adhesive layer and an anti-sticking layer, and the release surface of the anti-sticking layer contains air guide lines, so that the product can automatically exhaust air during sticking operation, and is convenient for people to use.
But be provided with a large amount of air guide lines in above-mentioned scheme on the face of leaving type, though can play certain exhaust effect, but also get into a large amount of dusts in the air guide line easily when the product is placed for a long time, because the main effect from the profile is the effective adhesive force who covers the adhesive layer and keep the adhesive layer, tear off the profile when using this pad pasting and let the adhesive layer directly adhere to on the purpose thing, reach fixed effect, and if get into a large amount of dusts then can obviously reduce the adhesive force of adhesive layer in the air guide line, be unfavorable for the normal use of pad pasting.
Disclosure of Invention
In order to overcome the defects in the prior art, the invention provides a foam adhesive film capable of being sprayed and printed.
The technical scheme adopted by the invention is that the foam adhesive film capable of being sprayed and printed comprises a base material, a coating coated on one side of the base material and an adhesive layer coated on the other side of the base material, wherein a release layer is adhered to the adhesive layer, a foaming air guide layer is arranged between the base material and the adhesive layer, a layer of mutually communicated micro-bubbles is arranged in the foaming air guide layer, part of the micro-bubbles are communicated with the adhesive layer, and at least one side of the foaming air guide layer is communicated with the outside.
Preferably, the foaming air guide layer is one of a PE foaming layer, a PP foaming layer, an EVA foaming layer, a polyurethane foaming layer, a PVC foaming layer and a polystyrene foaming layer.
Preferably, the foaming air-guide layer is a polyurethane foaming layer, and comprises the following components in parts by weight:
95-110 parts of polyether polyol or polyester polyol;
35-55 parts of isocyanate;
0-5-2 parts of a surfactant;
0.1-0.5 part of catalyst;
0.5-1 part of defoaming agent;
5-15 parts of a foaming agent;
15-20 parts of monofluorodichloroethane.
Preferably, the foaming air-guide layer is a PE foaming layer, and comprises the following components in parts by weight: 90-110 parts of LDPE; 1-5 parts of vinyl trimethyl aminosilane; 0.75 part of dicumyl oxide; 10-20 parts of a foaming agent; 1-3 parts of titanium dioxide.
Preferably, the foaming air guide layer and the base material are bonded and fixed through hot melt adhesive or pressure sensitive adhesive, or are bonded and fixed through hot melt.
Preferably, the adhesive layer is at least one of acrylic resin pressure-sensitive adhesive, polyurethane resin pressure-sensitive adhesive and organic silicon resin pressure-sensitive adhesive.
Preferably, the coating layer comprises a mixture of at least one of acrylic resin, polyurethane resin, polyvinyl alcohol resin, ethylene vinyl acetate resin, and vinyl chloride-vinyl acetate resin with at least one of silicon dioxide powder, titanium dioxide powder, calcium carbonate powder, and aluminum oxide powder.
Preferably, the coating is a solution prepared by mixing acrylic resin/polyurethane resin, silicon dioxide, calcium carbonate/polyvinyl alcohol resin and a solvent in a weight ratio of 20:2-3:0.5-3, and the concentration of the solution is 15% -40%.
The invention also provides a preparation method of the foam adhesive film capable of spray painting and printing, which comprises the following steps:
coating a coating on one surface of the base material, and fixing a foaming air guide layer on the other surface of the base material;
and coating an adhesive layer on the foaming air guide layer, and compounding a release layer after drying.
Preferably, when the base material is compounded with the foaming air guide layer, the surface of the base material is coated with a pressure-sensitive adhesive layer or a hot-melt adhesive layer, the coating is dried, and the foaming air guide layer is compounded after the drying is finished.
Compared with the prior art, the invention has the following beneficial effects:
1. by arranging the foaming air guide layer, the micro bubbles in the foaming air guide layer can be compressed by pressing the foaming air guide layer in the film adhering process, and then the air in the bubbles formed on the adhesive surface is sucked into the micro bubbles, so that the effect of eliminating the bubbles on the adhesive surface is achieved, and the adhesive surface is kept clean and tidy;
2. because the inside of the foaming gas guide layer is provided with more micro-bubble structures, the adhesive film is endowed with larger internal stress, and the adhesive film can be torn off completely when being torn off, so that the residue is reduced;
3. easy to stick and tear and convenient to construct.
Drawings
The invention is described in detail below with reference to examples and figures, in which:
FIG. 1 is a structural view of examples 1 to 4;
FIG. 2 is a structural view of examples 5 to 7.
1. A substrate; 2. coating; 3. a bonding layer; 4. a foamed air-conducting layer; 5. an adhesive layer; 6. and a release layer.
Detailed Description
The utility model provides a but spraying and painting's foaming adhesive film, includes substrate 1, coat in the coating 2 of 1 one side of substrate, coat in the adhesive layer 5 of 1 opposite side of substrate, the adhesive layer 5 is pasted and is had from type layer 6, still be provided with foaming air guide layer 4 between substrate 1 and the adhesive layer 5, foaming air guide layer 4 is inside to be equipped with the micro-bubble of one deck mutual intercommunication, wherein partial micro-bubble and adhesive layer 5 intercommunication, just the partial micro-bubble and the outside intercommunication of at least one side of foaming air guide layer 4.
In one embodiment, the micro-bubbles in the foaming air guide layer are mutually in a semi-communicated state and store air, one side of the foaming air guide layer, which is in contact with the adhesive layer 5, is communicated, and the peripheral sides of the foaming air guide layer are directly communicated with the external air through the micro-bubbles, so that if large bubbles are generated when the adhesive layer is adhered to a target object, the air in the adhesive layer can be pressed into the micro-bubbles of the foaming air guide layer by pressing and discharged to the external air, and the aim of ensuring the smooth adhesion between the adhesive layer of the adhesive film and the target object in the adhesion process is achieved.
As optimization, the micro-bubbles in the foaming air guide layer can be set to have certain elastic capacity and a telescopic space, so that air in the micro-bubbles is discharged by compressing the foaming air guide layer, negative pressure is generated in the micro-bubbles after pressure is removed, and air in the large bubbles generated on the pasting surface is sucked into the micro-bubbles, thereby being more beneficial to improving the flatness of pasting of the pasting film. The foaming air guide layer is adhered and fixed with the base material through the adhesive layer.
The thickness of the substrate 1 is 100 μm; the thickness of the coating 2 is 35um, the thickness of the adhesive layer is 20 μm, the thickness of the foaming air guide layer 4 is 700 μm, the thickness of the adhesive layer is 15 μm, the release layer 6 adopts a release PE film with silicone oil, the thickness of the release PE film is 50um, and the release force is 35g/25 mm.
In another embodiment, the substrate 1 is at least one of a TPU film, a PE film, a PET film, an EVA film, a PP film, and a PVC film.
The coating layer 2 comprises a mixture of at least one of acrylic resin, polyurethane resin, polyvinyl alcohol resin, ethylene vinyl acetate resin and vinyl chloride-vinyl acetate resin and at least one of silicon dioxide powder, titanium dioxide powder, calcium carbonate powder and aluminum oxide powder.
The adhesive layer 5 is at least one of acrylic resin pressure-sensitive adhesive, polyurethane resin pressure-sensitive adhesive and organic silicon resin pressure-sensitive adhesive.
The release layer 6 is one of a plastic film, a paper substrate coated with a release agent on the surface and a plastic film layer coated with a release agent on the surface.
The foaming air guide layer 4 is one of a PE foaming layer, a PP foaming layer, an EVA foaming layer, a polyurethane foaming layer, a PVC foaming layer and a polystyrene foaming layer. The foaming air guide layer 4 and the substrate 1 are bonded and fixed through hot melt adhesive or pressure sensitive adhesive, or are bonded and fixed through hot melt, wherein the hot melt adhesive is at least one of polyurethane, EVA resin, polyester resin and acrylic resin, and the pressure sensitive adhesive is at least one of acrylic resin, polyurethane resin and organic silicon resin.
Meanwhile, the embodiment also discloses a preparation method of the foam adhesive film capable of being subjected to spray printing, which comprises the following steps:
coating a coating layer 2 on one side surface of a base material 1, and fixing a foaming air guide layer 4 on the other side surface;
and coating an adhesive layer 5 on the foaming air guide layer 4, and compounding a release layer 6 after drying.
In another embodiment, a pressure sensitive adhesive layer or a hot melt adhesive layer may be disposed between the substrate 1 and the foam air guide layer 4, specifically, when the substrate 1 is combined with the foam air guide layer 4, the pressure sensitive adhesive layer or the hot melt adhesive layer is coated on the side surface of the substrate 1, and then the foam air guide layer 4 is dried after coating, and then the foam air guide layer 4 is combined after drying.
Example 1: the utility model provides a but foamed adhesive pad pasting of spray painting printing, as shown in figure 1, it includes substrate 1, coat in the coating 2 of substrate 1 one side, coat in the tie coat 3 of substrate 1 opposite side, this tie coat 3 is acrylic acid pressure sensitive adhesive layer, the opposite side laminating of acrylic acid pressure sensitive adhesive has polyurethane foam air guide layer 4, the opposite side of foaming air guide layer 4 then coats and has adhesive layer 5, this adhesive layer 5 is polyurethane pressure sensitive adhesive layer, the complex has one deck release layer 6 on the polyurethane pressure sensitive adhesive layer.
Specifically, the substrate 1 is a PP film with a thickness of 100 μm; the thickness of the coating 2 is 35um, the components of the coating 2 are a mixed solution of acrylic resin, silicon dioxide and calcium carbonate powder, and the weight ratio of the acrylic resin, the silicon dioxide and the calcium carbonate powder is 20 parts: 2 parts of: 3 parts, the coating 2 is suitable for spray-painting printing and printing; the thickness of the acrylic pressure-sensitive adhesive layer is 20 micrometers, the thickness of the foaming air guide layer 4 is 700 micrometers, the thickness of the polyurethane pressure-sensitive adhesive layer is 15 micrometers, the release layer 6 adopts a release PE film with silicone oil, the thickness of the release PE film is 50 micrometers, and the release force is 35g/25 mm.
The preparation method comprises the following steps:
the first step is as follows: coating a layer of spray-paintable coating 2 on the surface of the base material 1 in one of slit extrusion, scraper, wire rod and other coating modes, wherein the thickness of the coating 2 is 35 mu m, and after the coating is finished, drying and rolling the coating in an oven;
the second step is that: coating a layer of acrylic pressure-sensitive adhesive on the other surface of the base material 1 coated with the spray-paintable coating 2 in a coating mode of slit extrusion, a scraper and the like to form an adhesive layer, wherein the coating thickness of the adhesive layer is 20 mu m, and after the adhesive layer is coated, compounding a polyurethane foaming air guide layer 4 on the surface of the adhesive in a rolling mode after drying in an oven;
the third step: coating an adhesive layer 5 on the surface of the polyurethane foaming gas guide layer 4 in a coating mode of slit extrusion, a scraper and the like, wherein the adhesive layer 5 is polyurethane pressure-sensitive adhesive, the thickness of the adhesive layer 5 is 15 micrometers, drying the adhesive layer in an oven after the adhesive is coated, and compounding a release PE film with silicone oil on the surface of the adhesive in a rolling mode.
The composition and the corresponding content of the foam air-guide layer 4 are shown in table 1.
Examples 2 to 4, a spray printable adhesive foam film, as shown in fig. 1, are different from example 1 in the composition of the foam air-guiding layer 4 and the corresponding content, as shown in table 1.
Embodiment 5, a spray printable foam adhesive film, as shown in fig. 2, includes a substrate 1, a PE foam air-guide layer 4 attached to one side of the substrate 1, a coating layer 2 coated on the other side of the substrate 1, an acrylic pressure-sensitive adhesive layer coated on the foam air-guide layer 4, and a release layer 6 laminated on the other side of the acrylic pressure-sensitive adhesive.
Specifically, the base material 1 is a PET film layer with the thickness of 100 um; PE foaming air guide layer 4 thickness is 500um, and directly lets the foaming layer take shape on the sheet, forms the structure that sheet and foaming layer are closely combined together, and its principle is: in the foaming process, the PE foaming molding is in a high-temperature state, and can be tightly combined with the PET substrate 1 in the surface molding process of the PET substrate 1, which is similar to the coating layer 2 or the heat bonding treatment process, so that the PET substrate 1 and the PE foaming air guide layer 4 can generate the effect similar to hot melt bonding, and the combination is very firm.
The thickness of the coating 2 is 25um, the components of the coating 2 are mixed liquid of polyurethane resin, silicon dioxide and polyvinyl alcohol resin, and the weight proportion of the polyurethane resin, the silicon dioxide and the polyvinyl alcohol resin is 20 parts: 3 parts of: 0.5 portion, and the coating 2 is suitable for spray-painting printing and printing. The thickness of the acrylic pressure-sensitive adhesive layer is 20 um; release layer 6 is for taking silicone oil from type PET membrane, and it is 15um to leave type PET thickness, is 30g/25mm from type force.
The preparation method comprises the following steps:
the first step is as follows: the PE foaming air guide layer 4 is directly foamed on the PET base material 1 and is fixed into a whole by hot melting;
the second step is that: coating a layer of spray-paintable coating 2 on the surface of the other side of the base material 1 in one of coating modes such as slit extrusion, a scraper and a wire rod, wherein the thickness of the coating 2 is 35 mu m, and after coating, drying and rolling the coating in an oven;
the third step: and coating a layer of acrylic pressure-sensitive adhesive layer on the surface of the polyurethane foaming air guide layer 4 in a slit extrusion, scraper and other coating modes, wherein the thickness of the acrylic pressure-sensitive adhesive layer is 20 mu m, drying the acrylic pressure-sensitive adhesive layer in an oven after coating the acrylic pressure-sensitive adhesive layer, and compounding the release PET film with the silicone oil on the surface of the acrylic pressure-sensitive adhesive layer in a rolling mode.
The composition and the corresponding content of the foam air-guide layer 4 are shown in table 2.
Examples 6 to 7, a spray printable adhesive foam film, as shown in fig. 2, are different from example 4 in the composition of the foam air-guiding layer 4 and the corresponding content, as shown in table 2.
Table 1 examples 1-4 contained the components and their respective contents (parts)
| Example 1 | Example 2 | Example 3 | Example 4 | |
| Polyether polyols | 100 | 100 | 0 | 0 |
| Polyester polyols | 0 | 0 | 100 | 100 |
| Isocyanates | 37.5 | 51 | 37.5 | 51 |
| Organic silicon surfactant | 0.8 | 0.9 | 0.9 | 1 |
| Amine catalysts | 0.1 | 0.12 | 0.1 | 0.12 |
| Tin catalyst | 0.15 | 0.18 | 0.15 | 0.18 |
| Defoaming agent | 0.5 | 1 | 0.5 | 1 |
| Foaming agent | 7 | 10 | 7 | 10 |
| Monofluorodichloroethane | 15 | 18 | 15 | 18 |
Table 2 examples 5-7 contained the components and their corresponding contents (parts)
| Example 5 | Example 6 | Example 7 | |
| LDPE | 100 | 95 | 105 |
| Vinyl trimethyl |
2 | 1 | 3 |
| Dicumyl peroxide | 0.75 | 0.75 | 0.75 |
| Azodicarbonamide crosslinking foaming agent | 15 | 10 | 18 |
| Titanium |
2 | 1 | 3 |
Physical property index experiments were performed for the above examples 1 to 4, and the density, compression set, compression strength, elongation, tensile strength, water absorption rate were measured according to ASTM3574 test standard, tear strength was measured according to ASTM d624, hardness was measured according to ASTM d2240, and the test results were recorded as shown in table 3.
Physical property index experiments were performed on the above examples 5 to 7, and the density, compression set, compression strength, elongation, tensile strength, and water absorption were measured according to the test standards of ASTM3574, and the test results were recorded as shown in table 3.
Table 3 results of physical property test of examples 1 to 7
| Example 1 | Example 2 | Example 3 | Example 4 | Example 5 | Example 6 | Example 7 | |
| Density g/c ㎥ | 0.22 | 0.18 | 0.29 | 0.25 | 0.04 | 0.03 | 0.04 |
| Permanent compression set% | 3 | 2 | 4 | 3 | 3 | 3 | 3 |
| 25% compressive strength Kg/cm2 | 0.3 | 0.26 | 0.3 | 0.28 | 0.12 | 0.15 | 0.18 |
| Elongation percentage% | 150 | 140 | 165 | 150 | 140 | 150 | 145 |
| Tensile strength Kg/cm2 | 5.6 | 5.3 | 5.5 | 5.8 | 3.5 | 3.2 | 3.2 |
| Tear strength Kg/cm2 | 3.5 | 3.2 | 3.4 | 3.3 | 1.2 | 1.4 | 1.3 |
| Hardness of | 30 | 32 | 33 | 32 | 22 | 23 | 22 |
| Water absorption g/c ㎥ | 0.002 | 0.002 | 0.003 | 0.002 | 0.004 | 0.004 | 0.004 |
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. The utility model provides a foaming adhesive film that can spray painting printing, includes the substrate, coat in the coating of substrate one side, coat in the adhesive layer of substrate opposite side, the adhesive layer facing has from the type layer, its characterized in that, still be provided with foaming air guide layer between substrate and the adhesive layer, foaming air guide layer inside is equipped with the micro-bubble of one deck mutual intercommunication, wherein partial micro-bubble and adhesive layer intercommunication, just the foaming air guide layer at least one side partial micro-bubble and outside intercommunication.
2. The spray printable foam adhesive film according to claim 1, wherein the foam air guide layer is one of a PE foam layer, a PP foam layer, an EVA foam layer, a polyurethane foam layer, a PVC foam layer, and a polystyrene foam layer.
3. The foam adhesive film capable of spray painting and printing according to claim 1, wherein the foaming air guide layer is a polyurethane foaming layer, and comprises the following components in parts by weight:
95-110 parts of polyether polyol or polyester polyol;
35-55 parts of isocyanate;
0-5-2 parts of a surfactant;
0.1-0.5 part of catalyst;
0.5-1 part of defoaming agent;
5-15 parts of a foaming agent;
15-20 parts of monofluorodichloroethane.
4. The foam adhesive film capable of spray painting and printing according to claim 1, wherein the foaming air guide layer is a PE foaming layer, and comprises the following components in parts by weight: 90-110 parts of LDPE; 1-5 parts of vinyl trimethyl aminosilane; 0.75 part of dicumyl oxide; 10-20 parts of a foaming agent; 1-3 parts of titanium dioxide.
5. The spray printable foam adhesive film according to claim 1, wherein the foam air guide layer and the substrate are bonded and fixed by a hot melt adhesive or a pressure sensitive adhesive, or bonded and fixed by a hot melt adhesive.
6. The spray printable foam adhesive film according to claim 1, wherein the adhesive layer is at least one of an acrylic resin pressure sensitive adhesive, a polyurethane resin pressure sensitive adhesive, and a silicone resin pressure sensitive adhesive.
7. The spray printable foam adhesive film according to claim 1, wherein the coating layer comprises a mixture of at least one of acrylic resin, polyurethane resin, polyvinyl alcohol resin, ethylene vinyl acetate resin, and vinyl chloride-vinyl acetate resin with at least one of silica powder, titanium dioxide powder, calcium carbonate powder, and alumina powder.
8. The foam adhesive film for spray-printable use according to claim 7, wherein the coating layer is a solution prepared by mixing acrylic resin/polyurethane resin, silica, calcium carbonate/polyvinyl alcohol resin, and a solvent in a weight ratio of 20:2-3:0.5-3, and the concentration of the solution is 15% -40%.
9. The preparation method of the foam adhesive film capable of spray painting and printing according to claim 1, characterized by comprising the following steps:
coating a coating on one surface of the base material, and fixing a foaming air guide layer on the other surface of the base material;
and coating an adhesive layer on the foaming air guide layer, and compounding a release layer after drying.
10. The preparation method according to claim 8, wherein when the base material is compounded with the foaming air guide layer, the surface of the base material is coated with a pressure-sensitive adhesive layer or a hot-melt adhesive layer, the coating is dried, and the foaming air guide layer is compounded after the drying is finished.
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