CN111394008A - Preparation method of acrylic pressure-sensitive adhesive tape for bonding low-surface-energy material - Google Patents
Preparation method of acrylic pressure-sensitive adhesive tape for bonding low-surface-energy material Download PDFInfo
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- CN111394008A CN111394008A CN202010229144.XA CN202010229144A CN111394008A CN 111394008 A CN111394008 A CN 111394008A CN 202010229144 A CN202010229144 A CN 202010229144A CN 111394008 A CN111394008 A CN 111394008A
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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
- C09J7/30—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
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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
- 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
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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
- 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
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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
- C09J7/24—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
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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
- C09J7/24—Plastics; Metallised plastics based on macromolecular compounds obtained by reactions involving only carbon-to-carbon unsaturated bonds
- C09J7/245—Vinyl resins, e.g. polyvinyl chloride [PVC]
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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
- C09J7/255—Polyesters
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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
- 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
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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
- C09J2427/00—Presence of halogenated polymer
- C09J2427/006—Presence of halogenated polymer 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
- C09J2467/00—Presence of polyester
- C09J2467/006—Presence of polyester in the substrate
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Adhesive Tapes (AREA)
- Adhesives Or Adhesive Processes (AREA)
Abstract
The invention relates to the technical field of acrylic pressure-sensitive adhesive, in particular to a preparation method of an acrylic pressure-sensitive adhesive tape for bonding a low-surface-energy material, which comprises the following steps: dissolving 0.1-6 parts of perfluoro surfactant in 20-100 parts of organic solvent, then adding 100 parts of oil-soluble acrylate adhesive and 0.2-5 parts of curing agent, stirring and mixing uniformly at room temperature, standing and defoaming, coating one side or two sides of an adhesive tape base material, drying, naturally cooling, and curing at room temperature to obtain the acrylic pressure-sensitive adhesive tape for bonding the low-surface-energy material. The invention can select proper oil-soluble acrylate glue for modification according to different requirements of different application occasions on adhesion, has simple and convenient preparation method, high safety, low production cost and strong operability, and is suitable for bonding various low-surface-energy materials.
Description
Technical Field
The invention relates to the technical field of acrylic pressure-sensitive adhesives, in particular to a preparation method of an acrylic pressure-sensitive adhesive tape for bonding a low-surface-energy material.
Background
At present, acrylic pressure-sensitive adhesive has good viscosity and adhesive force on the surface of high-surface-energy materials such as metal, glass and the like, but the adhesive force on low-surface-energy materials such as ABS, PP, PE and the like is poorer, and the glue for the low-surface-energy materials in the market has higher price due to small raw material selection, large synthesis process difficulty and low yield, thereby limiting the market.
The invention patent of Chinese patent No. CN 102504717B provides an adhesive tape for bonding low-surface-energy materials, which comprises the following components in percentage by mass: (1) 30-50% of acrylate monomer; (2) the solvent is ethyl acetate or toluene 50-70%; (3) 0.2 to 1.5 percent of cross-linking agent; (4) initiator azobisisobutyronitrile or benzoyl peroxide 0.1-0.6%; wherein the acrylate monomer comprises 60-90% of soft monomer, 5-35% of hard monomer, 1-5% of crosslinking monomer and 2-10% of fluorine-containing acrylate; the preparation method comprises the following steps: first step preparation of acrylate polymer solution: adding an acrylate monomer, a solvent and an initiator into a three-neck flask with a reflux device, introducing nitrogen, stirring for half an hour, discharging oxygen, putting into a water bath kettle, and reacting for 6 hours at 60-80 ℃ under the protection of nitrogen; and (3) coating of the adhesive tape: mixing the obtained acrylate polymer solution with a cross-linking agent, standing, defoaming, coating the mixture on a release film by using a wire rod, drying at 110 ℃ for 3 minutes, compounding with a PET film with the thickness of 30um and subjected to corona surface treatment, and standing at normal temperature for 7 days to obtain the acrylic ester polymer composite. Although the adhesive force of the adhesive tape for bonding the low-surface-energy material is better and the production cost is lower compared with the adhesive tape for bonding the low-surface-energy material on the market, the preparation method of the chemical synthesis can only directionally produce a certain adhesive tape for bonding the low-surface-energy material, and the adhesive force, cohesive energy, chemical resistance and weather resistance of the acrylate glue prepared by the method are limited, so that the acrylate glue can not be widely applied to different low-surface-energy materials and the requirements of different use environments on the adhesive force, thereby limiting the application occasions.
In view of the above, there is a need to improve the existing preparation method by research to solve the above problems.
Disclosure of Invention
The first object of the present invention is to provide a method for preparing an acrylic pressure sensitive adhesive tape for bonding a low surface energy material.
A second object of the present invention is to provide a single-sided acrylic pressure sensitive adhesive tape prepared by the above method.
A third object of the present invention is to provide a double-sided acrylic pressure sensitive adhesive tape prepared by the above method.
In order to achieve the purpose, the technical scheme of the invention is as follows:
the first aspect of the present invention provides a method for preparing an acrylic pressure sensitive adhesive tape for bonding a low surface energy material, comprising the steps of:
s1, preparing the following raw materials in parts by weight: 100 parts of oil-soluble acrylate glue, 0.2-5 parts of curing agent, 0.1-6 parts of perfluoro surfactant and 20-100 parts of organic solvent;
s2, physical blending: according to the proportion of the step S1, dissolving a perfluorinated surfactant in an organic solvent, adding the oil-soluble acrylate adhesive and a curing agent, uniformly stirring at the room temperature at the speed of 200-600r/min, standing and defoaming to obtain the modified acrylic pressure-sensitive adhesive;
s3, coating: taking a tape base material, coating the modified acrylic pressure-sensitive adhesive prepared in the step S2 on one side or two sides of the tape base material, wherein the gram weight of one side of the coating is 15-150g/m2Drying at 110 ℃ for 2-5min, naturally cooling, and curing at room temperature for 5-9day to obtain the acrylic pressure sensitive adhesive tape bonded with the low surface energy material.
Further, in the step S1 or S2, the viscosity of the oil-soluble acrylate glue is 2000-.
In step S1 or S2, the perfluoro surfactant is one or a mixture of two or more of perfluorobutanesulfonyl fluoride, perfluorohexanesulfonyl amide, perfluorooctanesulfonamide, and perfluoroalkyl quaternary ammonium iodide.
Still further, the alkyl group of the perfluoroalkyl quaternary amine iodide contains at least 4 carbon atoms.
In step S1 or S2, the organic solvent is one or a mixture of two or more of toluene, ethyl acetate, styrene, butanone, cyclohexanone, and petroleum ether.
Further, in step S1 or S2, the curing agent is one of an isocyanate curing agent, an epoxy curing agent, an aziridine curing agent, and a melamine curing agent.
In step S3, the coating method is one of blade coating, dimple coating, slit coating, and screen coating.
The second aspect of the present invention provides a single-sided acrylic pressure sensitive adhesive tape prepared by the above preparation method, comprising a tape substrate layer and a pressure sensitive adhesive layer coated on one side of the tape substrate layer, wherein the pressure sensitive adhesive layer is prepared from the modified acrylic pressure sensitive adhesive prepared in the above step S2.
The third aspect of the present invention provides the double-sided acrylic pressure sensitive adhesive tape prepared by the above preparation method, which comprises a tape substrate layer and pressure sensitive adhesive layers coated on both sides of the tape substrate layer, wherein the pressure sensitive adhesive layers are prepared from the modified acrylic pressure sensitive adhesive prepared in the above step S2.
Compared with the prior art, the invention has the advantages and beneficial effects that:
1. the perfluoro surfactant is added into the oil-soluble acrylate glue, so that the surface energy of the oil-soluble acrylate glue can be reduced, a good defoaming and foam inhibiting effect can be achieved, the uniformity of a coated glue surface is well assisted, the wettability and the spreadability of the oil-soluble acrylate glue on the surface of a low-surface-energy material are improved, and the adhesion of the oil-soluble acrylate glue is improved;
2. compared with the directionality application of the adhesive tape prepared by the conventional chemical synthesis method, the method can select proper oil-soluble acrylate glue for modification according to different requirements of different application occasions on the adhesiveness;
3. the preparation method disclosed by the invention is simple and convenient, high in safety, low in production cost, strong in operability and suitable for bonding various low-surface-energy materials.
Detailed Description
A method for preparing an acrylic pressure sensitive adhesive tape for bonding a low surface energy material, comprising the steps of:
s1, preparing the following raw materials in parts by weight: 100 parts of oil-soluble acrylate glue, 0.2-5 parts of curing agent, 0.1-6 parts of perfluoro surfactant and 20-100 parts of organic solvent;
s2, physical blending: according to the proportion of the step S1, dissolving a perfluorinated surfactant in an organic solvent, adding the oil-soluble acrylate adhesive and a curing agent, uniformly stirring at the room temperature at the speed of 200-600r/min, standing and defoaming to obtain the modified acrylic pressure-sensitive adhesive;
s3, coating: taking a tape base material, coating the modified acrylic pressure-sensitive adhesive prepared in the step S2 on one side or two sides of the tape base material, wherein the gram weight of one side of the coating is 15-150g/m2Drying at 110 ℃ for 2-5min, naturally cooling, and curing at room temperature for 5-9day to obtain the acrylic pressure sensitive adhesive tape bonded with the low surface energy material.
Wherein, in the step S1 or S2, the viscosity of the oil-soluble acrylate glue is 2000-20000 cps;
the perfluoro surfactant is one or more of perfluorobutanesulfonyl fluoride, perfluorohexanesulfonyl amide, perfluorooctanesulfonyl amide and perfluoroalkyl quaternary ammonium iodide (the alkyl is an alkyl containing more than 4 carbon atoms);
the organic solvent is one or more of toluene, ethyl acetate, styrene, butanone, cyclohexanone and petroleum ether.
The curing agent is one of isocyanate curing agent, epoxy curing agent, aziridine curing agent and melamine curing agent.
In step S3, the coating method is one of blade coating, dimple coating, slit coating, and screen coating.
The single-sided acrylic pressure-sensitive adhesive tape prepared by the method comprises a tape base material layer and a pressure-sensitive adhesive layer coated on one side of the tape base material layer, wherein the pressure-sensitive adhesive layer is prepared from the modified acrylic pressure-sensitive adhesive prepared in the step S2.
The double-sided acrylic pressure-sensitive adhesive tape prepared by the method comprises a tape base material layer and pressure-sensitive adhesive layers coated on two sides of the tape base material layer, wherein the pressure-sensitive adhesive layers are prepared from the modified acrylic pressure-sensitive adhesive prepared in the step S2.
The present invention will be further described with reference to the following specific examples.
The raw materials used in the embodiment of the invention are as follows, but not limited to:
the acrylate glue A is purchased from Kunshan Chimona Korea, the model is PS8233, and the viscosity is 6000-10000 cps;
acrylate glue B, purchased from Lvtian adhesive products GmbH, model number L T-0356, viscosity 3000-;
acrylate glue C, purchased from Changxing chemical Co., Ltd, Kunshan, model number 77310, viscosity of 5000-;
an isocyanate curing agent, which is purchased from Wanhua chemical group, Inc., and has the model number of 75-13-8;
perfluoro surfactant: perfluorooctyl sulfonamide, available from Xiamen, Meidi chemical Co., Ltd, model number 754-91-6; perfluorohexyl sulfonamide, available from Wuhan Changjiang fluorine science and technology Limited, model number FC-93; perfluorooctyl quaternary ammonium iodide, available from Wuhan Changjiang fluorine science and technology Limited, model number FC-134;
solvent: toluene purchased from Hengfeng chemical trade company Limited in Duty area of Tankun, Zhang Jia, with CAS number of 108-88-3 and purity of 98%;
tape base material: a PET film having a thickness of 25 μm, which is available from Tollier polyester film Co., Ltd., type D03, and a surface dyne value of 40; the BOPP film has the thickness of 23 mu m, is purchased from Fengbei film new material Co., Ltd, the model number of FB-23, and the surface dyne value of 31; a PVC film with a specification of 180 μm is purchased from Zealand plastics (Shenzhen) Limited, and has a model number of T080A and a surface dyne value of 36.
Examples 1 to 4 and comparative example 1
Examples 1 to 4 and comparative example 1 each prepared a single-sided acrylic pressure sensitive adhesive tape using a PET film as a tape base material, and the amounts of the components were as shown in table 1 below:
TABLE 1
Examples 1 to 4
Dissolving perfluorooctyl sulfonamide in toluene according to the proportion shown in Table 1, adding acrylate glue A and isocyanate curing agent, stirring and uniformly mixing at the speed of 400r/min at room temperature, standing and defoaming to obtain modified acrylic pressure-sensitive glue, coating the modified acrylic pressure-sensitive glue on one side of a PET film, wherein the coating weight is 25g/m2Drying at 110 ℃ for 3min, naturally cooling, and curing at room temperature for 7 days to obtain the single-sided acrylic pressure-sensitive adhesive tape bonded with the low-surface-energy material.
Comparative example 1
According to the mixture ratio shown in Table 1, adding the acrylic ester glue A and the isocyanate curing agent into toluene, stirring and uniformly mixing at the room temperature at the speed of 400r/min, standing and defoaming to obtain the acrylic pressure-sensitive glue, coating the acrylic pressure-sensitive glue on one side of a PET film, wherein the coating gram weight is 25g/m2Drying at 110 ℃ for 3min, naturally cooling, and curing at room temperature for 7day to obtain the single-sided acrylic pressure-sensitive adhesive tape.
The products obtained in examples 1 to 4 and comparative example 1 were subjected to 180 ° peel strength test according to national standard of the people's republic of China GB/T2792-1989 "test method for 180 ° peel strength of pressure-sensitive adhesive tape", and the test results are shown in Table 1.
As can be seen from table 1, the 180 ° peel force of examples 1-4 is better than that of comparative example 1, because the addition of perfluorooctyl sulfonamide to acrylate glue a in examples 1-4 not only can achieve good defoaming and foam inhibiting effects and help the uniformity of the coated surface, but also increases the wettability and spreadability of oil-soluble acrylate glue on the surface of low surface energy material, thereby improving the adhesion.
Example 5
The only difference compared to example 3 is: example 5 the same procedure as in example 3 was repeated except that perfluorohexylsulfonamide was used in equal amounts instead of perfluorooctylsulfonamide.
Example 6
The only difference compared to example 3 is: example 5 the same procedure as in example 3 was repeated except that perfluorooctyl quaternary amine iodide was used in equal amounts in place of perfluorooctyl sulfonamide.
Example 7
The only difference compared to example 3 is: example 7 the PET substrate was replaced by a BOPP substrate and correspondingly acrylate glue B was replaced by acrylate glue a, all the other as in example 3.
Example 8
The only difference compared to example 3 is: example 8 the PVC substrate was used instead of the PET substrate and correspondingly the acrylate glue C was used instead of the acrylate glue a, all the other being as in example 3.
The products of examples 5-8 above were tested for 180 ° peel force and the results are shown in table 2 below:
TABLE 2
As can be seen from table 2, compared with example 3, examples 5 and 6 have slightly poorer adhesiveness, and the difference is only the choice of the perfluoro surfactant through the comparison of the technical schemes, and the wettability and spreadability of the perfluorooctyl sulfonamide adopted in example 3 on the surface of the PET substrate are better than those of the perfluorohexyl sulfonamide and the perfluorooctyl quaternary ammonium iodide; the adhesion of example 7 is comparable to that of example 3, and it can be seen from the technical solutions that example 7 is different from example 3 only in that a BOPP substrate is used instead of a PET substrate, and correspondingly, an acrylate glue B is used instead of the acrylate glue a, which shows that the preparation method of the present invention can select different acrylic pressure sensitive adhesives to be modified according to different substrates, so as to meet the adhesion requirements of different substrates, which can be further confirmed from the technical solution of example 8 and the 180 ° peel force result.
In conclusion, the perfluoro surfactant is added into the oil-soluble acrylate glue, so that the surface energy of the oil-soluble acrylate glue is effectively reduced, the wettability and the spreadability of the oil-soluble acrylate glue on the surface of the low-surface-energy material are improved, the adhesion of the oil-soluble acrylate glue on the surface of the low-surface-energy material is improved, and the proper oil-soluble acrylate glue can be selected according to different requirements of different application occasions on the adhesion for modification.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are given by way of illustration of the principles of the present invention, and that various changes and modifications may be made without departing from the spirit and scope of the invention as defined by the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (9)
1. A preparation method of an acrylic pressure-sensitive adhesive tape for bonding low-surface-energy materials is characterized by comprising the following steps:
s1, preparing the following raw materials in parts by weight: 100 parts of oil-soluble acrylate glue, 0.2-5 parts of curing agent, 0.1-6 parts of perfluoro surfactant and 20-100 parts of organic solvent;
s2, physical blending: according to the proportion of the step S1, dissolving a perfluorinated surfactant in an organic solvent, adding the oil-soluble acrylate adhesive and a curing agent, uniformly stirring at the room temperature at the speed of 200-600r/min, standing and defoaming to obtain the modified acrylic pressure-sensitive adhesive;
s3, coating: taking a tape base material, coating the modified acrylic pressure-sensitive adhesive prepared in the step S2 on one side or two sides of the tape base material, wherein the gram weight of one side of the coating is 15-150g/m2Drying at 110 ℃ for 2-5min, naturally cooling, and curing at room temperature for 5-9day to obtain the acrylic pressure sensitive adhesive tape bonded with the low surface energy material.
2. The method for preparing an acrylic pressure sensitive adhesive tape for bonding low surface energy materials as claimed in claim 1, wherein the viscosity of the oil-soluble acrylate glue in step S1 or S2 is 2000-20000 cps.
3. The method of claim 1, wherein in step S1 or S2, the perfluoro surfactant is one or more selected from the group consisting of perfluorobutanesulfonyl fluoride, perfluorohexanesulfonyl amide, perfluorooctanesulfonamide, and perfluoroalkyl quaternary amine iodide.
4. The method of claim 3, wherein the alkyl group of the perfluoroalkyl quaternary amine iodide contains at least 4 carbon atoms.
5. The method of claim 1, wherein in step S1 or S2, the organic solvent is one or more of toluene, ethyl acetate, styrene, butanone, cyclohexanone, and petroleum ether.
6. The method of claim 1, wherein in step S1 or S2, the curing agent is one of isocyanate curing agent, epoxy curing agent, aziridine curing agent and melamine curing agent.
7. The method of claim 1, wherein the step S3 is performed by one of blade coating, dimple coating, slit coating and screen coating.
8. The single-sided acrylic pressure-sensitive adhesive tape produced by the production method according to any one of claims 1 to 7, which comprises a tape substrate layer and a pressure-sensitive adhesive layer coated on one side of the tape substrate layer, wherein the pressure-sensitive adhesive layer is produced by using the modified acrylic pressure-sensitive adhesive produced in the above step S2.
9. The double-sided acrylic pressure-sensitive adhesive tape produced by the production method according to any one of claims 1 to 7, comprising a tape base layer and a pressure-sensitive adhesive layer coated on both sides of the tape base layer, wherein the pressure-sensitive adhesive layer is produced using the modified acrylic pressure-sensitive adhesive produced in the above step S2.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113801605A (en) * | 2021-11-10 | 2021-12-17 | 宁波申山新材料科技有限公司 | Low-surface-energy pressure-sensitive adhesive tape and processing method thereof |
| CN115820141A (en) * | 2022-10-17 | 2023-03-21 | 广东东立新材料科技股份有限公司 | Low-surface-energy-change cover plate glass protective film and preparation method thereof |
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Application publication date: 20200710 |