CN106010343A - Protective film easy to recycle - Google Patents

Protective film easy to recycle Download PDF

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Publication number
CN106010343A
CN106010343A CN201610549027.5A CN201610549027A CN106010343A CN 106010343 A CN106010343 A CN 106010343A CN 201610549027 A CN201610549027 A CN 201610549027A CN 106010343 A CN106010343 A CN 106010343A
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CN
China
Prior art keywords
parts
adhesive layer
pressure
modified eva
easy
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
Application number
CN201610549027.5A
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Chinese (zh)
Inventor
金闯
梁豪
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sidike New Materials Jiangsu Co Ltd
Original Assignee
Sidike New Materials Jiangsu Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Sidike New Materials Jiangsu Co Ltd filed Critical Sidike New Materials Jiangsu Co Ltd
Priority to CN201610549027.5A priority Critical patent/CN106010343A/en
Publication of CN106010343A publication Critical patent/CN106010343A/en
Pending legal-status Critical Current

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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
    • C08K5/00—Use of organic ingredients
    • C08K5/04—Oxygen-containing compounds
    • C08K5/14—Peroxides
    • 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
    • C08K5/16—Nitrogen-containing compounds
    • C08K5/34—Heterocyclic compounds having nitrogen in the ring
    • C08K5/3412—Heterocyclic compounds having nitrogen in the ring having one nitrogen atom in the ring
    • 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
    • C08K5/16—Nitrogen-containing compounds
    • C08K5/34—Heterocyclic compounds having nitrogen in the ring
    • C08K5/3467—Heterocyclic compounds having nitrogen in the ring having more than two nitrogen atoms in the ring
    • C08K5/3477—Six-membered rings
    • C08K5/3492—Triazines
    • C08K5/34924—Triazines containing cyanurate groups; Tautomers thereof
    • 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
    • C08K5/36—Sulfur-, selenium-, or tellurium-containing compounds
    • C08K5/41—Compounds containing sulfur bound to oxygen
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
    • C09J11/02—Non-macromolecular additives
    • C09J11/06—Non-macromolecular additives organic
    • 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
    • C09J4/00—Adhesives based on organic non-macromolecular compounds having at least one polymerisable carbon-to-carbon unsaturated bond ; adhesives, based on monomers of macromolecular compounds of groups C09J183/00 - C09J183/16
    • C09J4/06—Organic non-macromolecular compounds having at least one polymerisable carbon-to-carbon unsaturated bond in combination with a macromolecular compound other than an unsaturated polymer of groups C09J159/00 - C09J187/00
    • 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
    • C09J7/22—Plastics; Metallised plastics
    • 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
    • C09J7/22—Plastics; Metallised plastics
    • C09J7/24—Plastics; Metallised plastics based on macromolecular compounds obtained by reactions involving only carbon-to-carbon unsaturated bonds
    • C09J7/241—Polyolefin, e.g.rubber
    • C09J7/243—Ethylene or propylene polymers
    • 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]
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Laminated Bodies (AREA)
  • Adhesives Or Adhesive Processes (AREA)

Abstract

The invention discloses a protective film easy to recycle. The protective film includes a modified polypropylene film, a pressure-sensitive modified EVA adhesive layer and a release material layer, wherein the pressure-sensitive modified EVA adhesive layer is located between the polypropylene film and the release material layer, the pressure-sensitive modified EVA adhesive layer is prepared from 100 parts of a modified EVA aqueous solution, 2-ethylhexyl acrylate, deionized water, tertiary butyl peroxide 2-ethylhexyl carbonate, 4-6 parts of aziridine, polymethylphenyl sioxane, N-hydroxymethyl acrylamide, triallyl isocyanurate, 1-2 parts of terpene resin, 0.5-2 parts of alkylphenol polyoxyethylene ether and 0.5-1 part of dimethyl sulfoxide. The protective film easy to recycle makes the EVA adhesive layer have viscosity and pressure sensitivity at normal temperature, the pressure-sensitive modified EVA adhesive layer is a waterborne system and is environmentally friendly and free of pungent smell, the protective film easy to recycle is also easy to repeatedly utilize and recover, and pollution is greatly reduced.

Description

It is easy to the protecting film recycled
Technical field
The present invention relates to a kind of protecting film, particularly to a kind of protecting film be easy to and recycle.
Background technology
The materials such as glass, sheet metal, plastic plate are during carrying and using, and it is dirty that its surface is easily subject to contact Dye or polishing scratch scratch, and are allowed to from damage so generally using protecting film to cover on its surface and pollute.Used by prior art The protecting film arrived is the most all planar protection film, under normal circumstances it include substrate layer, breast layer and release layer.Described base material The materials such as layer usually Merlon, polyethylene, PET, orientation stretching polypropylene or the poly-vinegar of aromatics are formed, and substrate layer is for protecting The principal structural layer of cuticula；Stick together laminating and float on the side of substrate layer, generally by the polymer containing alkoxy silane or propylene Acid polymers etc. are constituted, in order to substrate layer to post up the body surface to be protected；And release layer does not uses shape for protection Protecting film under state, removes release layer during use and is sticked to body surface.The most this common planar protection film by Three layers of composition, cost is higher, and the change of other situations along with humidity, temperature and surrounding, and adhesion layer easily makes moist Or produced, by chemical reaction, the phenomenon that substrate layer comes off；In time needing change or process original protecting film, due to Adhesion layer is affixed on affixed object for a long time and there will be cull phenomenon, the most disposable；And during producing and using protecting film, stick together The chemical materials of layer and release layer can produce a large amount of pollution, and this protecting film also cannot recycle simultaneously, is unfavorable for energy-saving ring Protect.
Summary of the invention
The present invention provides a kind of protecting film be easy to and recycle, and this protecting film being easy to recycle achieves EVA glue Adhensive layer has viscosity and pressure-sensitive at room temperature, and pressure-sensitive modified EVA adhesive layer is water-based system environmental protection, nonirritant gas Taste, is also convenient for protecting film recycling and the recovery being easy to recycle, greatly reduces pollution.
For reaching above-mentioned purpose, the technical solution used in the present invention is: a kind of protecting film being easy to recycle, including gathering Polypropylene film, pressure-sensitive modified EVA adhesive layer and separated type material layer, it is thin that described pressure-sensitive modified EVA adhesive layer is positioned at polypropylene Between film and separated type material layer；
Described pressure-sensitive modified EVA adhesive layer is made up of following parts by weight of component:
Modified EVA aqueous solution 100 parts,
Isooctyl acrylate monomer 10 ~ 20 parts,
Deionized water 20 ~ 30 parts,
Tert-butyl hydroperoxide 2-ethylhexyl carbonate 5 ~ 8 parts,
Aziridine 4 ~ 6 parts,
PSI 3 ~ 5 parts,
N hydroxymethyl acrylamide 2 ~ 4 parts,
Triallyl isocyanurate 1 ~ 2 part,
Terpene resin 1 ~ 2 part,
Alkylphenol polyoxyethylene 0.5 ~ 2 part；
Dimethyl sulfoxide 0.5 ~ 1 part,
Described modified EVA aqueous solution includes that following parts by weight of component forms:
Vinyl Acetate Monomer 100 parts,
Polyvinyl alcohol 20 ~ 40 parts,
Sodium isooctanoate. 6 ~ 8 parts,
Sulfurous acid potassium salt 2 ~ 4 parts,
0.05 ~ 0.1 part of ferrous sulfate,
10 ~ 20 parts of acrylic acid,
Cumyl peroxide 0.05 ~ 1 part,
Tert-butyl hydroperoxide 0.25 ~ 0.5 part,
Sodium pyrosulfite 0.5 ~ 1 part.
The technical scheme improved further in technique scheme is as follows:
1., in such scheme, the pressure of described step 2 mesohigh still is 5 ~ 10MPa.
2., in such scheme, the weight ratio of described tert-butyl hydroperoxide and sodium pyrosulfite is 1:2.
Owing to technique scheme is used, the present invention compared with prior art has following advantages and an effect:
1. the present invention is easy to the protecting film recycled, and it uses acrylic acid and combines ferrous sulfate, polyvinyl alcohol, modified The ethylene-vinyl acetate copolymer formed by ethylene, vinylacetate, coordinates Isooctyl acrylate monomer, aziridine and tert-butyl group mistake Oxidation 2-ethylhexyl carbonate achieves EVA adhesive layer and has viscosity and pressure-sensitive, and pressure-sensitive modified EVA gluing at room temperature Oxidant layer is water-based system environmental protection, has no irritating odor, and is also convenient for protecting film recycling and the recovery being easy to recycle, significantly Decrease pollution；Secondly, add N hydroxymethyl acrylamide further, Triallyl isocyanurate further increases modification EVA adhesive layer and the adhesive force of polypropylene film.
2. the present invention is easy to the protecting film recycled, and its base material selects BOPP as base material, has recyclable performance, And EVA modified emulsion, by adjusting formula, reach cohesible effect, and in removal process, can with regenerated granules, Reach to reuse, the effect of environmental protection, modified, for different materials, carry out the adjustable 10G-600G model of adhesion strength Enclosing interior adjustable, moisture-proof water resistance is superior, 100H without albefaction, inharmonious phenomenon (70 DEG C, 90%RH)；Again, its system adds alkane Base phenol polyethenoxy ether, dimethyl sulfoxide can make solid material be more easy to the material being soaked in water.By reduce its surface tension or Interfacial tension, allows the water to be deployed on solid material surface, or penetrates its surface, and solid material moistening；Secondly, it adds PSI improves the compatibility and the surface tension of system, is conducive to the lowest masking liquid that realizes in coating process to be coated with Cloth.
Accompanying drawing explanation
Accompanying drawing 1 is easy to the protecting film structural representation recycled for the present invention.
In the figures above: 1, polypropylene film；2, pressure-sensitive modified EVA adhesive layer；3, separated type material layer.
Detailed description of the invention
Below in conjunction with the accompanying drawings and embodiment the invention will be further described:
Embodiment 1 ~ 4: a kind of protecting film being easy to recycle, including polypropylene film 1, pressure-sensitive modified EVA adhesive layer 2 With separated type material layer 3, described pressure-sensitive modified EVA adhesive layer 2 is between polypropylene film 1 and separated type material layer 3；
Described pressure-sensitive modified EVA adhesive layer 2 is made up of following parts by weight of component:
Table 1
Described modified EVA aqueous solution includes that following parts by weight of component forms, and is shown in Table 2, and also includes that deionized water is as solvent:
Table 2
Embodiment 1 Embodiment 2 Embodiment 3 Embodiment 4
Polyvinyl alcohol 28 parts 35 parts 25 parts 32 parts
Sodium isooctanoate. 6.5 part 8 parts 7 parts 7.5 part
Sulfurous acid potassium salt 2.8 part 3 parts 2 parts 3.6 part
Ferrous sulfate 0.05 part 0.09 part 0.1 part 0.06 part
Vinyl Acetate Monomer 100 parts 100 parts 100 parts 100 parts
Acrylic acid 15 parts 12 parts 18 parts 15 parts
Cumyl peroxide 0.06 part 0.09 0.08 part 0.05 part
Tert-butyl hydroperoxide 0.3 part 0.5 part 0.45 part 0.04 part
Sodium pyrosulfite 0.6 part 0.9 part 0.9 part 0.6 part
Described modified EVA aqueous solution is obtained by following steps further:
Step one, by 20 ~ 40 parts of polyvinyl alcohol, 6 ~ 8 parts of Sodium isooctanoate., 2 ~ 4 parts of sulfurous acid potassium salt and 0.05 ~ 0.1 part of sulphuric acid Asia Dissolved ferric iron forms aqueous mixture in ionized water；
Step 2, the aqueous mixture of step one is put in autoclave, then be passed through the air that ethylene displaces in autoclave；
Step 3, material it is warming up to by reacting kettle jacketing water reaction temperature 80 DEG C and stirs, being implanted sequentially 100 parts of vinyl acetates Ester monomer, 10 ~ 20 parts of acrylic acid, 0.05 ~ 1 part of cumyl peroxide, 0.25 ~ 0.5 part of tert-butyl hydroperoxide, 0.5 ~ 1 part Sodium pyrosulfite；
Step 4, it is cooled to 40 DEG C of described modified EVA aqueous solutions formed below.
The pressure of above-mentioned steps two mesohigh still is 5 ~ 10MPa.
The present embodiment Testing index is shown in Table 3:
Table 3
Test event Embodiment 1 Embodiment 2 Embodiment 3 Embodiment 4
Peeling force 53 54 58 55
Initial bonding strength 84 82 86 82
Resistance to water Without albefaction Without albefaction Without albefaction Without albefaction
Cull Without cull Without cull Without cull Without cull
When using the above-mentioned protecting film be easy to and recycle, it uses acrylic acid and combines ferrous sulfate, polyvinyl alcohol, modified The ethylene-vinyl acetate copolymer formed by ethylene, vinylacetate, coordinates Isooctyl acrylate monomer, aziridine and tert-butyl group mistake Oxidation 2-ethylhexyl carbonate achieves EVA adhesive layer and has viscosity and pressure-sensitive, and pressure-sensitive modified EVA gluing at room temperature Oxidant layer is water-based system environmental protection, has no irritating odor, and is also convenient for protecting film recycling and the recovery being easy to recycle, significantly Decrease pollution；Secondly, add N hydroxymethyl acrylamide further, Triallyl isocyanurate further increases modification EVA adhesive layer and the adhesive force of polypropylene film；Again, its base material selects BOPP as base material, has recyclable performance, and EVA modified emulsion, by adjusting formula, reaches cohesible effect, and in removal process, can reach with regenerated granules To reusing, the effect of environmental protection, modified, for different materials, carry out the adjustable 10G-600G scope of adhesion strength In adjustable, moisture-proof water resistance is superior, 100H without albefaction, inharmonious phenomenon (70 DEG C, 90%RH).
Above-described embodiment, only for technology design and the feature of the explanation present invention, its object is to allow person skilled in the art Scholar will appreciate that present disclosure and implements according to this, can not limit the scope of the invention with this.All according to the present invention The equivalence that spirit is made changes or modifies, and all should contain within protection scope of the present invention.

Claims (3)

1. it is easy to the protecting film recycled for one kind, it is characterised in that: include polypropylene film (1), pressure-sensitive modified EVA adhesive Layer (2) and separated type material layer (3), described pressure-sensitive modified EVA adhesive layer (2) is positioned at polypropylene film (1) and separated type material layer (3) between；
Described pressure-sensitive modified EVA adhesive layer (2) is made up of following parts by weight of component:
Modified EVA aqueous solution 100 parts,
Isooctyl acrylate monomer 10 ~ 20 parts,
Deionized water 20 ~ 30 parts,
Tert-butyl hydroperoxide 2-ethylhexyl carbonate 5 ~ 8 parts,
Aziridine 4 ~ 6 parts,
PSI 3 ~ 5 parts,
N hydroxymethyl acrylamide 2 ~ 4 parts,
Triallyl isocyanurate 1 ~ 2 part,
Terpene resin 1 ~ 2 part,
Alkylphenol polyoxyethylene 0.5 ~ 2 part；
Dimethyl sulfoxide 0.5 ~ 1 part,
Described modified EVA aqueous solution includes that following parts by weight of component forms:
Vinyl Acetate Monomer 100 parts,
Polyvinyl alcohol 20 ~ 40 parts,
Sodium isooctanoate. 6 ~ 8 parts,
Sulfurous acid potassium salt 2 ~ 4 parts,
0.05 ~ 0.1 part of ferrous sulfate,
10 ~ 20 parts of acrylic acid,
Cumyl peroxide 0.05 ~ 1 part,
Tert-butyl hydroperoxide 0.25 ~ 0.5 part,
Sodium pyrosulfite 0.5 ~ 1 part.
The protecting film being easy to recycle the most according to claim 1, it is characterised in that: described tert-butyl hydroperoxide, It is 1:2 with the weight ratio of sodium pyrosulfite.
The protecting film being easy to recycle the most according to claim 1, it is characterised in that: described step 2 mesohigh still Pressure is 5 ~ 10MPa.
CN201610549027.5A 2016-07-12 2016-07-12 Protective film easy to recycle Pending CN106010343A (en)

Priority Applications (1)

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CN201610549027.5A CN106010343A (en) 2016-07-12 2016-07-12 Protective film easy to recycle

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610549027.5A CN106010343A (en) 2016-07-12 2016-07-12 Protective film easy to recycle

Publications (1)

Publication Number Publication Date
CN106010343A true CN106010343A (en) 2016-10-12

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111303783A (en) * 2020-03-24 2020-06-19 太仓斯迪克新材料科技有限公司 Antistatic EVA protection film
CN113698891A (en) * 2021-09-17 2021-11-26 江苏皇冠新材料科技有限公司 Recyclable protective film and preparation method thereof

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102603955A (en) * 2012-03-19 2012-07-25 中国石油化工集团公司 Method for preparing formaldehyde-free ethylene vinyl acetate emulsion

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102603955A (en) * 2012-03-19 2012-07-25 中国石油化工集团公司 Method for preparing formaldehyde-free ethylene vinyl acetate emulsion

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
张玉龙、邢德林: "《环境友好胶黏剂制备与应用技术》", 31 January 2008, 中国石化出版社 *

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111303783A (en) * 2020-03-24 2020-06-19 太仓斯迪克新材料科技有限公司 Antistatic EVA protection film
CN113698891A (en) * 2021-09-17 2021-11-26 江苏皇冠新材料科技有限公司 Recyclable protective film and preparation method thereof

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Application publication date: 20161012