CN115595076B - Novel removable double-sided pressure-sensitive adhesive tape and preparation method thereof - Google Patents
Novel removable double-sided pressure-sensitive adhesive tape and preparation method thereof Download PDFInfo
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- CN115595076B CN115595076B CN202211013910.4A CN202211013910A CN115595076B CN 115595076 B CN115595076 B CN 115595076B CN 202211013910 A CN202211013910 A CN 202211013910A CN 115595076 B CN115595076 B CN 115595076B
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- sensitive adhesive
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- adhesive tape
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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
- C09J7/22—Plastics; Metallised plastics
- C09J7/25—Plastics; Metallised plastics based on macromolecular compounds obtained otherwise than by reactions involving only carbon-to-carbon unsaturated bonds
-
- 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
- C09J133/00—Adhesives based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Adhesives based on derivatives of such polymers
- C09J133/04—Homopolymers or copolymers of esters
- C09J133/14—Homopolymers or copolymers of esters of esters containing halogen, nitrogen, sulfur or oxygen atoms in addition to the carboxy 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
- C09J7/00—Adhesives in the form of films or foils
- C09J7/30—Adhesives in the form of films or foils characterised by the adhesive composition
- C09J7/38—Pressure-sensitive adhesives [PSA]
- C09J7/381—Pressure-sensitive adhesives [PSA] based on macromolecular compounds obtained by reactions involving only carbon-to-carbon unsaturated bonds
- C09J7/385—Acrylic polymers
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J2301/00—Additional features of adhesives in the form of films or foils
- C09J2301/10—Additional features of adhesives in the form of films or foils characterized by the structural features of the adhesive tape or sheet
- C09J2301/12—Additional features of adhesives in the form of films or foils characterized by the structural features of the adhesive tape or sheet by the arrangement of layers
- C09J2301/122—Additional features of adhesives in the form of films or foils characterized by the structural features of the adhesive tape or sheet by the arrangement of layers the adhesive layer being present only on one side of the carrier, e.g. single-sided adhesive tape
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J2301/00—Additional features of adhesives in the form of films or foils
- C09J2301/30—Additional features of adhesives in the form of films or foils characterized by the chemical, physicochemical or physical properties of the adhesive or the carrier
- C09J2301/302—Additional features of adhesives in the form of films or foils characterized by the chemical, physicochemical or physical properties of the adhesive or the carrier the adhesive being pressure-sensitive, i.e. tacky at temperatures inferior to 30°C
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- 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
- C09J2475/00—Presence of polyurethane
- C09J2475/006—Presence of polyurethane in the substrate
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Adhesive Tapes (AREA)
Abstract
The invention relates to the field of C09J7/38, in particular to a novel removable double-sided pressure-sensitive adhesive tape and a preparation method thereof, wherein the novel removable double-sided pressure-sensitive adhesive tape comprises a base material, a pressure-sensitive adhesive and release film paper; the substrate is a polyurethane substrate or a polyolefin substrate; the pressure-sensitive adhesive is an acrylic pressure-sensitive adhesive; the release film paper is double-sided curtain coating silicon-coated paper; by adopting the specific pressure-sensitive adhesive and the polyurethane substrate, the provided product is not easy to break when being stretched and removed, the stretchable removal within the free angle range of 45-120 degrees is realized without breaking failure, the reliability of the product is high, the residual adhesive rate is low, and the practical application and popularization value are very high.
Description
Technical Field
The invention relates to the field of C09J7/38, in particular to a novel removable double-sided pressure-sensitive adhesive tape and a preparation method thereof.
Background
At present, permanent bonding exists in the market, when the adhesive tape is separated from an object to be bonded, the surface of the object to be bonded is completely covered with residual adhesive, the touch is sticky, the cleaning of the residual adhesive on the surface is very difficult, and the adhesive tape is time-consuming and labor-consuming and has poor effect.
The removable cleaning adhesive tape product gradually becomes one of the important means for solving the above problems, and various types of removable adhesive tapes are currently available, and the cleaning and removing functions are realized by different principles, in the prior art, the adhesive tape product provided by the adhesive tape product has thermal expansibility by being doped in a pressure-sensitive adhesive, and the contact area between the pressure-sensitive adhesive layer and the surface of an adherend is forced to be suddenly reduced by volume expansion under the heating condition, but the electronic components are usually required to be heated to be higher than 80 ℃ so as to affect the usability and service life of the components. Chinese patent CN106010352a discloses an easily stretchable removable adhesive tape and a method for manufacturing the same, specifically comprising a base layer containing a base material and an antistatic additive, a first pressure-sensitive adhesive layer and a second pressure-sensitive adhesive layer, so that the provided removable adhesive tape can play an antistatic role, but when the stretching angle is too large (e.g. at 45 ° to 90 °), the stretchable removable adhesive tape is easily broken and cannot be removed normally.
Therefore, the novel removable double-sided pressure-sensitive adhesive tape and the preparation method thereof provided by the invention enable the provided product not to be easily broken when being stretched and removed, realize stretchable and removable free angle range of 90-180 degrees without breaking failure, have high product reliability and low residual adhesive rate, and have high practical application and popularization values.
Disclosure of Invention
In one aspect, the invention provides a novel removable double-sided pressure-sensitive adhesive tape comprising a substrate, a pressure-sensitive adhesive and release liner; the substrate is a polyurethane substrate or a polyolefin substrate; the pressure-sensitive adhesive is an acrylic pressure-sensitive adhesive; the release film paper is double-sided curtain coating silicon-coated paper.
As a preferable technical scheme, the substrate is a polyurethane substrate; the polyurethane is polyester TPU; preferably, the polyester TPU has an elongation (ASTM D412) of 900-1100%; preferably, the polyester TPU is of the type HF-1080A and is derived from Zhejiang Huafeng synthetic resin Co. The inventor finds that in the research process, the polyester TPU is used as a base material, particularly the polyester TPU with the elongation of 900-1100% is used as the base material, so that the provided product has excellent stretching resistance and light weight in the transverse direction and the longitudinal direction, meanwhile, the full combination of the pressure-sensitive adhesive and the polyester TPU base material is realized, firm cohesive strength is established, the adhesive tape can not generate stretching fracture in the overflow stripping process, and meanwhile, cohesive failure and adhesive failure of an adhesive layer are avoided.
As a preferable technical scheme, the acrylic pressure-sensitive adhesive is prepared from the following raw materials in parts by weight: 80-120 parts of acrylic ester polymer, 20-50 parts of diluent, 0.3-1 part of cross-linking agent and 0.3-0.8 part of antioxidant;
preferably, the raw materials for preparing the acrylic ester polymer at least comprise acrylic ester monomers, functional monomers, an initiator and a solvent;
preferably, the raw materials for preparing the acrylic ester polymer comprise 60-100 parts of acrylic ester monomer, 20-40 parts of functional monomer, 0.5-3 parts of initiator and 30-50 parts of solvent.
Preferably, the acrylic ester monomer is at least one selected from butyl acrylate, isooctyl acrylate, ethyl methacrylate and glycidyl methacrylate; preferably, the acrylate monomer is a combination of isooctyl acrylate and glycidyl methacrylate; the mass ratio of the isooctyl acrylate to the glycidyl methacrylate is (4-6): (1-3);
preferably, the functional monomer is at least one selected from methoxyethyl acrylate, ethoxyethyl acrylate and hydroxyethyl acrylate; preferably, the functional monomer is a combination of methoxyethyl acrylate and hydroxyethyl acrylate; preferably, the mass ratio of the methoxyethyl acrylate to the hydroxyethyl acrylate is (1-2): (2-4);
preferably, the initiator is azo initiator or peroxide initiator; preferably, the initiator is benzoyl peroxide.
Preferably, the solvent is at least one of ethyl acetate, toluene and butanone. Preferably, the solvent is a combination of toluene and ethyl acetate; the mass ratio of toluene to ethyl acetate is 1: (4-6).
The preparation method of the acrylic ester polymer comprises the following steps: according to the weight parts, adding the acrylic ester monomer, the functional monomer and the initiator into a solvent for dispersion and polymerization to obtain the acrylic ester polymer.
Preferably, the diluent is one or two of ethyl acetate, toluene and butanone; preferably, the diluent is ethyl acetate.
Preferably, the crosslinking agent is selected from isophorone diisocyanate, hexamethylene-1, 6-diisocyanate, and trioxypropyl isocyanurate; preferably, the crosslinking agent is isophorone diisocyanate.
Preferably, the antioxidant is a hindered phenol antioxidant; preferably, the hindered phenol antioxidant is one of an antioxidant 264, an antioxidant 1076, an antioxidant 1010, an antioxidant 1098, an antioxidant 22462S, an antioxidant 300 and an antioxidant KY 2586; preferably, the hindered phenol antioxidant is an antioxidant KY2586. Based on the system, the asymmetric hindered phenol antioxidant KY2586 is introduced, so that the steric hindrance is small, the antioxidation efficiency is high, the provided product can be effectively applied to battery assembly and display fixation in electronic products, and the requirement of long-term use is met.
As a preferable technical scheme, the preparation process of the acrylic pressure-sensitive adhesive comprises the following steps: according to the weight portions, adding the acrylic polymer, the diluent, the cross-linking agent and the antioxidant into a reaction kettle for mixing, stirring and dispersing, and obtaining the acrylic pressure-sensitive adhesive after vacuum defoamation.
Based on the system, the acrylic pressure-sensitive adhesive obtained by crosslinking the specific acrylic polymer and isophorone diisocyanate is effectively combined with the polyester TPU substrate, so that the product has reduced removal stretching force and deformation which is more than or equal to 900%, the stretchable removal within the free angle range of 45-120 degrees is realized without breaking failure, the reliability of the product is high, and the residual adhesive rate is low.
The invention also provides a preparation method of the novel removable double-sided pressure-sensitive adhesive tape, which is characterized in that the pressure-sensitive adhesive is coated on one side of release film paper, and the release film paper is dried and then attached to a base material to obtain the novel removable double-sided pressure-sensitive adhesive tape with the thickness of 0.1-0.2 mm.
Advantageous effects
1. The invention provides a novel removable double-sided pressure-sensitive adhesive tape, which ensures that the provided product is not easy to break when being stretched and removed, realizes the stretchable removal within the free angle range of 45-120 degrees without breaking failure, has high product reliability and low residual adhesive rate, and has high practical application and popularization values.
2. Based on the system, the polyester TPU is used as a base material, and particularly the polyester TPU with the elongation of 900-1100% is used as the base material, so that the provided product has excellent stretching resistance and light weight in the transverse direction and the longitudinal direction, meanwhile, the full combination of the pressure-sensitive adhesive and the polyester TPU base material is realized, the firm cohesive strength is established, the adhesive tape can not be stretched and broken in the overflow stripping process, and meanwhile, the cohesive failure and the adhesive failure of the adhesive layer are avoided.
3. Based on the system, the asymmetric hindered phenol antioxidant KY2586 is introduced, so that the steric hindrance is small, the antioxidation efficiency is high, the provided product can be effectively applied to battery assembly and display fixation in electronic products, and the requirement of long-term use is met.
4. The acrylic pressure-sensitive adhesive obtained by crosslinking the specific acrylic polymer and isophorone diisocyanate is effectively combined with the polyester TPU substrate, so that the product has reduced removal stretching force and deformation which is more than or equal to 900%, the stretchable removal within the free angle range of 45-120 degrees is realized without breaking failure, the reliability of the product is high, and the residual adhesive rate is low.
Detailed Description
Example 1
In one aspect, embodiment 1 of the present invention provides a novel removable double-sided pressure-sensitive adhesive tape comprising a substrate, a pressure-sensitive adhesive, and release liner; the substrate is a polyurethane substrate; the pressure-sensitive adhesive is an acrylic pressure-sensitive adhesive; the release film paper is double-sided curtain coating silicon-coated paper.
The polyurethane is polyester TPU; the elongation (ASTM D412) of the polyester TPU is 950%; the model of the polyester TPU is HF-108070AP, and is derived from Zhejiang Huafeng synthetic resin Co.
The acrylic pressure-sensitive adhesive is prepared from the following raw materials in parts by weight: 100 parts of acrylic ester polymer, 30 parts of diluent, 2 parts of cross-linking agent and 0.5 part of antioxidant;
the preparation raw materials of the acrylic ester polymer comprise 80 parts of acrylic ester monomer, 30 parts of functional monomer, 2 parts of initiator and 40 parts of solvent.
The acrylic ester monomer is a combination of isooctyl acrylate and glycidyl methacrylate; the mass ratio of the isooctyl acrylate to the glycidyl methacrylate is 5:2;
the functional monomer is a combination of methoxyethyl acrylate and hydroxyethyl acrylate; the mass ratio of the methoxyethyl acrylate to the hydroxyethyl acrylate is 1:2;
the initiator is benzoyl peroxide.
The solvent is a combination of toluene and ethyl acetate; the mass ratio of toluene to ethyl acetate is 1:5.
the preparation method of the acrylic ester polymer comprises the following steps: according to the weight parts, adding the acrylic ester monomer, the functional monomer and the initiator into a solvent for dispersion and polymerization to obtain the acrylic ester polymer.
The diluent is ethyl acetate.
The cross-linking agent is isophorone diisocyanate.
The antioxidant is hindered phenol antioxidant; the hindered phenol antioxidant is antioxidant KY2586.
The preparation process of the acrylic pressure-sensitive adhesive comprises the following steps: according to the weight portions, adding the acrylic polymer, the diluent, the cross-linking agent and the antioxidant into a reaction kettle for mixing, stirring and dispersing, and obtaining the acrylic pressure-sensitive adhesive after vacuum defoamation.
In another aspect, embodiment 1 of the present invention provides a method for preparing a novel removable double-sided pressure-sensitive adhesive tape, wherein a pressure-sensitive adhesive is coated on one side of release film paper, and the novel removable double-sided pressure-sensitive adhesive tape with a thickness of 0.1mm is obtained by attaching the pressure-sensitive adhesive to a substrate after drying.
Example 2
Example 2 of the present invention provides a novel removable double-sided pressure-sensitive adhesive tape and a method for producing the same, the specific embodiment of which is the same as example 1, except that the thickness of the novel removable double-sided pressure-sensitive adhesive tape is 0.15mm.
Example 3
Example 3 of the present invention provides, in one aspect, a novel removable double-sided pressure-sensitive adhesive tape and a method for producing the same, the specific embodiment of which is the same as example 1, except that the novel removable double-sided pressure-sensitive adhesive tape has a thickness of 0.2mm.
Comparative example 1
Comparative example 1 of the present invention provides a novel removable double-sided pressure-sensitive adhesive tape, the specific embodiment of which is the same as example 1, except that the substrate is a PET functional film, derived from Shanghai fu, ltd.
Comparative example 2
Comparative example 2 of the present invention provides a novel removable double-sided pressure-sensitive adhesive tape, the specific embodiment of which is the same as example 1, except that the acrylate monomer is isooctyl acrylate; the functional monomer is hydroxyethyl acrylate.
Comparative example 3
Comparative example 3 of the present invention provides a novel removable double-sided pressure-sensitive adhesive tape, which is different from example 1 in that the antioxidant is antioxidant 300.
Performance test method
1. The thickness, 180-degree peel strength, shearing force, tensile strength and elongation at break of the novel removable double-sided pressure-sensitive adhesive tapes prepared in the examples and the comparative examples are measured, and the adhesive property and the removable property of the products are characterized, and the results are shown in Table 1;
2. ageing resistance: the novel removable double-sided pressure-sensitive adhesive tapes prepared in the examples and the comparative examples are placed in an environment with humidity of 60RH and temperature of 80 ℃ for 24 hours, if the appearance of a 24-hour product has no obvious change, the ageing resistance of the product is marked as 'qualified', and if the appearance of the 24-hour product has layering and wrinkling, the ageing resistance of the product is marked as 'unqualified'.
Claims (3)
1. A removable double-sided pressure-sensitive adhesive tape comprising a substrate, a pressure-sensitive adhesive, and release liner; the pressure-sensitive adhesive is an acrylic pressure-sensitive adhesive; the release film paper is double-sided curtain coating silicon-coated paper; the substrate is a polyurethane substrate; the polyurethane is polyester TPU; the elongation of the polyester TPU is 900-1100%; the acrylic pressure-sensitive adhesive is prepared from the following raw materials in parts by weight: 80-120 parts of acrylic ester polymer, 20-50 parts of diluent, 0.3-1 part of cross-linking agent and 0.3-0.8 part of antioxidant; the preparation raw materials of the acrylic ester polymer at least comprise acrylic ester monomers, functional monomers, an initiator and a solvent; the acrylic ester monomer is a combination of isooctyl acrylate and glycidyl methacrylate; the mass ratio of the isooctyl acrylate to the glycidyl methacrylate is (4-6): (1-3); the functional monomer is a combination of methoxyethyl acrylate and hydroxyethyl acrylate; the mass ratio of the methoxyethyl acrylate to the hydroxyethyl acrylate is (1-2): (2-4); the hindered phenol antioxidant is antioxidant KY2586.
2. The removable double sided pressure sensitive adhesive tape of claim 1, wherein the diluent is one or both of ethyl acetate, toluene, butanone.
3. A method for preparing a removable double-sided pressure-sensitive adhesive tape according to any one of claims 1-2, wherein the pressure-sensitive adhesive is coated on one side of release liner paper, and the tape is dried and attached to a substrate to obtain a novel removable double-sided pressure-sensitive adhesive tape with a thickness of 0.1-0.2 mm.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211013910.4A CN115595076B (en) | 2022-08-23 | 2022-08-23 | Novel removable double-sided pressure-sensitive adhesive tape and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211013910.4A CN115595076B (en) | 2022-08-23 | 2022-08-23 | Novel removable double-sided pressure-sensitive adhesive tape and preparation method thereof |
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| CN115595076A CN115595076A (en) | 2023-01-13 |
| CN115595076B true CN115595076B (en) | 2023-07-25 |
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|---|---|---|---|---|
| CN101857777A (en) * | 2009-04-01 | 2010-10-13 | 日东电工株式会社 | Double-faced pressure-sensitive sheet adhesive, double-faced pressure-sensitive sheet adhesive manufacture method, pressure-sensitive adhesive type optically functional film and pressure-sensitive adhesive type hard coating film |
| WO2016114241A1 (en) * | 2015-01-16 | 2016-07-21 | 日東電工株式会社 | Double-sided pressure-sensitive adhesive sheet |
| CN110551467A (en) * | 2019-09-06 | 2019-12-10 | 广东东立新材料科技股份有限公司 | acrylate modified pressure-sensitive adhesive for flexible paper protective film and preparation method thereof |
| JP2021070733A (en) * | 2019-10-30 | 2021-05-06 | 日東電工株式会社 | Double-sided adhesive tape |
| CN113278385A (en) * | 2021-06-24 | 2021-08-20 | 江苏斯迪克新材料科技股份有限公司 | Removable acrylic acid foam adhesive tape |
| CN113943541A (en) * | 2020-07-16 | 2022-01-18 | 日东电工（上海松江）有限公司 | Adhesive tape |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5539630B2 (en) * | 2008-08-04 | 2014-07-02 | 日東電工株式会社 | Double-sided pressure-sensitive adhesive sheet, foam fixing method and laminate |
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2022
- 2022-08-23 CN CN202211013910.4A patent/CN115595076B/en active Active
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| CN101857777A (en) * | 2009-04-01 | 2010-10-13 | 日东电工株式会社 | Double-faced pressure-sensitive sheet adhesive, double-faced pressure-sensitive sheet adhesive manufacture method, pressure-sensitive adhesive type optically functional film and pressure-sensitive adhesive type hard coating film |
| WO2016114241A1 (en) * | 2015-01-16 | 2016-07-21 | 日東電工株式会社 | Double-sided pressure-sensitive adhesive sheet |
| CN110551467A (en) * | 2019-09-06 | 2019-12-10 | 广东东立新材料科技股份有限公司 | acrylate modified pressure-sensitive adhesive for flexible paper protective film and preparation method thereof |
| JP2021070733A (en) * | 2019-10-30 | 2021-05-06 | 日東電工株式会社 | Double-sided adhesive tape |
| CN113943541A (en) * | 2020-07-16 | 2022-01-18 | 日东电工（上海松江）有限公司 | Adhesive tape |
| CN113278385A (en) * | 2021-06-24 | 2021-08-20 | 江苏斯迪克新材料科技股份有限公司 | Removable acrylic acid foam adhesive tape |
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| CN115595076A (en) | 2023-01-13 |
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