CN110819242A - Non-base material adhesive tape with different peeling forces on two sides and preparation method thereof - Google Patents
Non-base material adhesive tape with different peeling forces on two sides and preparation method thereof Download PDFInfo
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- CN110819242A CN110819242A CN201910916098.8A CN201910916098A CN110819242A CN 110819242 A CN110819242 A CN 110819242A CN 201910916098 A CN201910916098 A CN 201910916098A CN 110819242 A CN110819242 A CN 110819242A
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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
- C09J7/10—Adhesives in the form of films or foils without carriers
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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
-
- 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
-
- 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
- C09J2301/20—Additional features of adhesives in the form of films or foils characterized by the structural features of the adhesive itself
- C09J2301/208—Additional features of adhesives in the form of films or foils characterized by the structural features of the adhesive itself the adhesive layer being constituted by at least two or more adjacent or superposed adhesive layers, e.g. multilayer adhesive
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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
- C09J2301/00—Additional features of adhesives in the form of films or foils
- C09J2301/30—Additional features of adhesives in the form of films or foils characterized by the chemical, physicochemical or physical properties of the adhesive or the carrier
- C09J2301/312—Additional features of adhesives in the form of films or foils characterized by the chemical, physicochemical or physical properties of the adhesive or the carrier parameters being the characterizing feature
Abstract
The invention provides a substrate-free adhesive tape with different two-side peeling forces, which comprises a release layer, a first adhesive layer and a second adhesive layer, wherein the first adhesive layer, the second adhesive layer and the release layer are sequentially arranged; the preparation raw materials of the first adhesive layer comprise the following components in parts by weight: 95-100 parts of acrylic acid glue, 0.1-0.4 part of isocyanate crosslinking agent and 1-4 parts of metal salt crosslinking agent; the preparation raw materials of the second adhesive layer comprise the following components in parts by weight: 95-100 parts of acrylic acid glue and 0.3-1 part of isocyanate crosslinking agent. According to the invention, the non-base material adhesive layers with different peeling forces are respectively coated, and the non-base material adhesive tape with different peeling forces on two sides is prepared in a release paper transfer attaching mode, so that only one side with high peeling force needs to be attached to the side which does not need to be removed in practical use, and the side with low peeling force is easy to peel after being attached, and the effects of no adhesive residue and easy removal are achieved.
Description
Technical Field
The invention relates to a non-substrate adhesive tape and a preparation method thereof, in particular to a non-substrate adhesive tape with different two-side stripping forces and a preparation method thereof.
Background
The adhesive tape without the base material, namely the double-sided adhesive tape without the base material, is formed by directly coating and pressing acrylic acid glue, is transparent in color, generally has excellent bonding effect, temperature resistance, thermal stability, chemical stability, initial viscosity and permanent viscosity, has certain elasticity of an adhesive layer, and can be suitable for a large temperature range and severe environment. However, since the base material-free adhesive tape is directly coated, the physical properties of both surfaces are consistent, and people can have the phenomenon that adhesive remains on the surface of an attached object when removing the adhesive tape in use, and particularly for the attached object such as paper which is easy to damage, the paper is pulled to be broken and the cleaning is not clean.
In view of the above problems, there is a need for a new adhesive tape without a base material to solve the above problems
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides the substrate-free adhesive tape with different two-side peeling force and the preparation method thereof, when in use, only one side with high peeling force needs to be attached to one side which does not need to be removed, and the side with low peeling force is easy to peel after being attached, thereby achieving the effect of removing the adhesive without adhesive residue.
The technical scheme adopted by the invention is as follows:
a substrate-free adhesive tape with different two-side peeling forces comprises a release layer, a first adhesive layer and a second adhesive layer, wherein the first adhesive layer, the second adhesive layer and the release layer are sequentially arranged;
the preparation raw materials of the first adhesive layer comprise the following components in parts by weight:
95-100 parts of acrylic acid glue,
0.1 to 0.4 portion of isocyanate crosslinking agent,
1-4 parts of a metal salt crosslinking agent;
the preparation raw materials of the second adhesive layer comprise the following components in parts by weight:
95-100 parts of acrylic acid glue,
0.3-1 part of isocyanate crosslinking agent.
Further, the thickness of the first adhesive layer is 10-30 μm.
Further, the thickness of the second adhesive layer is 10-15 μm.
Further, from the type layer including light from the profile and heavily from the profile, one side on second adhesive layer with heavily laminating each other from the profile, the opposite side with first adhesive layer laminates each other.
When the release layer is selected, the double-sided release film or the release paper with the release force of the light release surface of 5-15g/25mm and the release force of the heavy release surface of 20-70g/25mm is preferably selected.
Further, the peeling force of the first adhesive layer is 450-.
Further, the peel force of the second adhesive layer is 100-400g/25 mm.
Further, the isocyanate crosslinking agent is one or more of toluene diisocyanate, isophorone diisocyanate, diphenylmethane diisocyanate, dicyclohexylmethane diisocyanate, hexamethylene diisocyanate, lysine diisocyanate and m-xylylene isocyanate.
Further, the metal salt crosslinking agent is one or more of aluminum acetylacetonate, zinc acetylacetonate, iron acetylacetonate and copper acetylacetonate.
The preparation method of the non-base material adhesive tape with different two-side stripping force comprises the following steps:
step 1: weighing all raw materials required by the first adhesive layer, placing the raw materials in a container, fully stirring and uniformly mixing to obtain an adhesive A;
step 2: weighing all raw materials required by the second adhesive layer, placing the raw materials in a container, fully stirring and uniformly mixing to obtain an adhesive B;
and step 3: coating an adhesive B on the re-release profile of the release layer to form a second adhesive layer;
and 4, step 4: coating the adhesive A on the light-stripping release paper to form a first adhesive layer;
and 5: adhering the first adhesive layer to the second adhesive layer in a transfer adhering mode, and recovering the light stripping release paper;
step 6: and (4) rolling the release layer with the first adhesive layer and the second adhesive layer to obtain the substrate-free adhesive tape with different two-side peeling forces.
Further, the release force of the light-stripping release paper is 2-10g/25 mm.
The invention has the beneficial effects that:
the invention prepares the non-base material adhesive tape with different stripping forces on two sides by respectively coating the non-base material adhesive layers with different stripping forces and adopting a mode of transfer lamination of the release paper, only one side with high stripping force needs to be laminated on the side which does not need to be removed in practical use, and the side with low stripping force is easy to strip after lamination, thereby achieving the effects of no adhesive residue and easy removal.
Detailed Description
In order to more fully understand the technical contents of the present invention, the technical solutions of the present invention will be further described and illustrated by the following specific examples.
Example 1
Weighing 95 parts of acrylic acid glue, 0.1 part of toluene diisocyanate and 1 part of aluminum acetylacetonate, adding into a container, and stirring for 20 minutes by using a stirrer to fully and uniformly mix the materials to obtain an adhesive A; weighing 95 parts of acrylic acid glue and 0.3 part of toluene diisocyanate, adding into another container, and stirring for 20 minutes by using a stirrer to fully and uniformly mix to obtain an adhesive B; uniformly coating a glue film with the thickness of 10 mu m on the re-release profile of the release layer by using a coating machine, and drying to form a second glue layer; uniformly coating a layer of adhesive film with the thickness of 10 mu m on light-stripping release paper with the release force of 2g/25mm by using a coating machine, and drying to form a first adhesive layer; the first adhesive layer is attached to the second adhesive layer in a transfer attaching mode, a compression roller is used for rolling to enable the first adhesive layer and the second adhesive layer to be fully attached, and then the light stripping release paper is recovered; and (4) rolling the release layer with the first adhesive layer and the second adhesive layer to obtain the substrate-free adhesive tape with different two-side peeling forces.
Example 2
Weighing 96 parts of acrylic acid glue, 0.2 part of isophorone diisocyanate and 2 parts of zinc acetylacetonate, adding into a container, and stirring for 20 minutes by using a stirrer to fully and uniformly mix the materials to obtain an adhesive A; weighing 96 parts of acrylic acid glue and 0.5 part of isophorone diisocyanate, adding into another container, and stirring for 20 minutes by using a stirrer to fully and uniformly mix to obtain an adhesive B; uniformly coating a glue film with the thickness of 12 mu m on the re-release profile of the release layer by using a coating machine, and drying to form a second glue layer; uniformly coating a layer of adhesive film with the thickness of 15 mu m on light-stripping release paper with the release force of 5g/25mm by using a coating machine, and drying to form a first adhesive layer; the first adhesive layer is attached to the second adhesive layer in a transfer attaching mode, a compression roller is used for rolling to enable the first adhesive layer and the second adhesive layer to be fully attached, and then the light stripping release paper is recovered; and (4) rolling the release layer with the first adhesive layer and the second adhesive layer to obtain the substrate-free adhesive tape with different two-side peeling forces.
Example 3
Weighing 98 parts of acrylic acid glue, 0.3 part of diphenylmethane diisocyanate and 3 parts of ferric acetylacetonate, adding into a container, and stirring for 20 minutes by using a stirrer to fully and uniformly mix the materials to obtain an adhesive A; weighing 98 parts of acrylic acid glue and 0.7 part of diphenylmethane diisocyanate, adding into another container, and stirring for 20 minutes by using a stirrer to fully and uniformly mix to obtain an adhesive B; uniformly coating a glue film with the thickness of 13 mu m on the re-release profile of the release layer by using a coating machine, and drying to form a second glue layer; uniformly coating a layer of adhesive film with the thickness of 18 mu m on light-stripping release paper with the release force of 8g/25mm by using a coating machine, and drying to form a first adhesive layer; the first adhesive layer is attached to the second adhesive layer in a transfer attaching mode, a compression roller is used for rolling to enable the first adhesive layer and the second adhesive layer to be fully attached, and then the light stripping release paper is recovered; and (4) rolling the release layer with the first adhesive layer and the second adhesive layer to obtain the substrate-free adhesive tape with different two-side peeling forces.
Example 4
Weighing 100 parts of acrylic acid glue, 0.4 part of dicyclohexyl methane diisocyanate and 4 parts of copper acetylacetonate, adding into a container, and stirring for 20 minutes by using a stirrer to fully and uniformly mix the components to obtain an adhesive A; then 100 parts of acrylic acid glue and 0.8 part of dicyclohexyl methane diisocyanate are weighed and added into another container, and stirred for 20 minutes by a stirrer to be fully and uniformly mixed, so that an adhesive B is obtained; uniformly coating a glue film with the thickness of 15 mu m on the re-release profile of the release layer by using a coating machine, and drying to form a second glue layer; uniformly coating a glue film with the thickness of 20 mu m on light-stripping release paper with the release force of 10g/25mm by using a coating machine, and drying to form a first glue layer; the first adhesive layer is attached to the second adhesive layer in a transfer attaching mode, a compression roller is used for rolling to enable the first adhesive layer and the second adhesive layer to be fully attached, and then the light stripping release paper is recovered; and (4) rolling the release layer with the first adhesive layer and the second adhesive layer to obtain the substrate-free adhesive tape with different two-side peeling forces.
Example 5
Weighing 100 parts of acrylic acid glue, 0.1 part of hexamethylene diisocyanate and 1 part of aluminum acetylacetonate, adding into a container, and stirring for 20 minutes by using a stirrer to fully and uniformly mix the materials to obtain an adhesive A; then 100 parts of acrylic acid glue and 1 part of hexamethylene diisocyanate are weighed and added into another container, and stirred for 20 minutes by a stirrer to be fully and uniformly mixed, so that an adhesive B is obtained; uniformly coating a glue film with the thickness of 14 mu m on the re-release profile of the release layer by using a coating machine, and drying to form a second glue layer; uniformly coating a glue film with the thickness of 23 mu m on light-stripping release paper with the release force of 3g/25mm by using a coating machine, and drying to form a first glue layer; the first adhesive layer is attached to the second adhesive layer in a transfer attaching mode, a compression roller is used for rolling to enable the first adhesive layer and the second adhesive layer to be fully attached, and then the light stripping release paper is recovered; and (4) rolling the release layer with the first adhesive layer and the second adhesive layer to obtain the substrate-free adhesive tape with different two-side peeling forces.
Example 6
Weighing 100 parts of acrylic acid glue, 0.2 part of lysine diisocyanate, 1 part of aluminum acetylacetonate and 1 part of iron acetylacetonate, adding into a container, and stirring for 20 minutes by using a stirrer to fully and uniformly mix the materials to obtain an adhesive A; then 100 parts of acrylic acid glue and 1 part of lysine diisocyanate are weighed and added into another container, and stirred for 20 minutes by a stirrer to be fully and uniformly mixed, so that an adhesive B is obtained; uniformly coating a glue film with the thickness of 11 mu m on the re-release profile of the release layer by using a coating machine, and drying to form a second glue layer; uniformly coating a glue film with the thickness of 25 mu m on light-stripping release paper with the release force of 6g/25mm by using a coating machine, and drying to form a first glue layer; the first adhesive layer is attached to the second adhesive layer in a transfer attaching mode, a compression roller is used for rolling to enable the first adhesive layer and the second adhesive layer to be fully attached, and then the light stripping release paper is recovered; and (4) rolling the release layer with the first adhesive layer and the second adhesive layer to obtain the substrate-free adhesive tape with different two-side peeling forces.
Example 7
Weighing 100 parts of acrylic acid glue, 0.3 part of m-xylylene isocyanate and 1 part of acetylacetone aluminum, adding into a container, and stirring for 20 minutes by using a stirrer to fully and uniformly mix the materials to obtain an adhesive A; then 100 parts of acrylic acid glue and 0.6 part of m-xylylene isocyanate are weighed and added into another container, and stirred for 20 minutes by a stirrer to be fully and uniformly mixed, so as to obtain an adhesive B; uniformly coating a glue film with the thickness of 12 mu m on the re-release profile of the release layer by using a coating machine, and drying to form a second glue layer; uniformly coating a glue film with the thickness of 28 mu m on light-stripping release paper with the release force of 7g/25mm by using a coating machine, and drying to form a first glue layer; the first adhesive layer is attached to the second adhesive layer in a transfer attaching mode, a compression roller is used for rolling to enable the first adhesive layer and the second adhesive layer to be fully attached, and then the light stripping release paper is recovered; and (4) rolling the release layer with the first adhesive layer and the second adhesive layer to obtain the substrate-free adhesive tape with different two-side peeling forces.
Example 8
Weighing 100 parts of acrylic acid glue, 0.1 part of toluene diisocyanate, 0.1 part of diphenylmethane diisocyanate, 2 parts of aluminum acetylacetonate and 2 parts of zinc acetylacetonate, adding into a container, and stirring for 20 minutes by using a stirrer to fully and uniformly mix the materials to obtain an adhesive A; weighing 97 parts of acrylic acid glue, 0.15 part of hexamethylene diisocyanate and 0.15 part of m-xylylene isocyanate, adding into another container, and stirring for 20 minutes by using a stirrer to fully and uniformly mix the materials to obtain an adhesive B; uniformly coating a glue film with the thickness of 12 mu m on the re-release profile of the release layer by using a coating machine, and drying to form a second glue layer; uniformly coating a layer of glue film with the thickness of 30 mu m on light-stripping release paper with the release force of 9g/25mm by using a coating machine, and drying to form a first glue layer; the first adhesive layer is attached to the second adhesive layer in a transfer attaching mode, a compression roller is used for rolling to enable the first adhesive layer and the second adhesive layer to be fully attached, and then the light stripping release paper is recovered; and (4) rolling the release layer with the first adhesive layer and the second adhesive layer to obtain the substrate-free adhesive tape with different two-side peeling forces.
Example 9
Weighing 100 parts of acrylic acid glue, 0.2 part of isophorone diisocyanate, 0.1 part of dilysine diisocyanate, 1 part of aluminum acetylacetonate, 1 part of ferric acetylacetonate and 1 part of copper acetylacetonate, adding into a container, and stirring for 20 minutes by using a stirrer to fully and uniformly mix the materials to obtain an adhesive A; weighing 97 parts of acrylic acid glue, 0.15 part of dicyclohexyl methane diisocyanate and 0.15 part of m-xylene diisocyanate, adding into another container, and stirring for 20 minutes by using a stirrer to fully and uniformly mix the materials to obtain an adhesive B; uniformly coating a glue film with the thickness of 12 mu m on the re-release profile of the release layer by using a coating machine, and drying to form a second glue layer; uniformly coating a glue film with the thickness of 12 mu m on light-stripping release paper with the release force of 9g/25mm by using a coating machine, and drying to form a first glue layer; the first adhesive layer is attached to the second adhesive layer in a transfer attaching mode, a compression roller is used for rolling to enable the first adhesive layer and the second adhesive layer to be fully attached, and then the light stripping release paper is recovered; and (4) rolling the release layer with the first adhesive layer and the second adhesive layer to obtain the substrate-free adhesive tape with different two-side peeling forces.
The first adhesive layer and the second adhesive layer of the non-substrate tapes prepared in examples 1 to 9, which have different peeling forces on both sides, were subjected to peeling force tests according to the test methods commonly used in the industry, and the test results are as follows:
the scheme of the invention has the advantages that the gluing/removing is carried out for more than 10 times in normal use, and the double-sided adhesive tape still has excellent gluing capability on the clean surface and is superior to the existing product.
When the non-base material adhesive tape with different two-side stripping forces is used, one side (the first adhesive layer) with high stripping force is attached to an attached article which does not need to be removed, and the other side (the second adhesive layer) with low stripping force is attached to an attached surface (such as a wall surface, a table top and the like) which needs to be removed; when the object to be pasted needs to be removed, the adhesive tape can be adhered to the object to be pasted and removed together due to different peeling forces of the two surfaces of the adhesive tape, so that the phenomenon that residual adhesive remains on the object to be pasted during removal due to the fact that the physical properties of the two surfaces of the adhesive tape are consistent in the prior art is avoided.
It is true that the above-described embodiments are only preferred embodiments of the present invention, and any other embodiments that do not exceed the scope of the present invention are also included in the present invention.
Although the preferred embodiments of the present invention have been disclosed for illustrative purposes, those skilled in the art will appreciate that various modifications, additions and substitutions are possible, without departing from the scope and spirit of the invention as disclosed in the accompanying claims.
Claims (10)
1. A substrate-free adhesive tape with different two-side peeling forces is characterized by comprising a release layer, a first adhesive layer and a second adhesive layer, wherein the first adhesive layer, the second adhesive layer and the release layer are sequentially arranged;
the preparation raw materials of the first adhesive layer comprise the following components in parts by weight:
95-100 parts of acrylic acid glue,
0.1 to 0.4 portion of isocyanate crosslinking agent,
1-4 parts of a metal salt crosslinking agent;
the preparation raw materials of the second adhesive layer comprise the following components in parts by weight:
95-100 parts of acrylic acid glue,
0.3-1 part of isocyanate crosslinking agent.
2. The non-substrate adhesive tape with different peeling forces according to claim 1, wherein the thickness of the first adhesive layer is 10 to 30 μm.
3. The non-substrate adhesive tape with different peeling forces according to claim 1, wherein the thickness of the second adhesive layer is 10 to 15 μm.
4. The non-substrate tape with different two-sided peel forces according to claim 1, wherein the release layer comprises a light release surface and a heavy release surface, and one side of the second adhesive layer is attached to the heavy release surface and the other side is attached to the first adhesive layer.
5. The non-substrate tape with different peeling forces as claimed in claim 1, wherein the peeling force of the first adhesive layer is 450-1300g/25 mm.
6. The non-substrate tape with different peeling forces as claimed in claim 1, wherein the peeling force of the second adhesive layer is 100-400g/25 mm.
7. The non-substrate adhesive tape with different two-sided release force according to claim 1, wherein the isocyanate-based crosslinking agent is one or more of toluene diisocyanate, isophorone diisocyanate, diphenylmethane diisocyanate, dicyclohexylmethane diisocyanate, hexamethylene diisocyanate, lysine diisocyanate, and m-xylylene isocyanate.
8. The non-substrate adhesive tape with different two-sided peeling force according to claim 1, wherein the metal oxide based cross-linking agent is one or more of aluminum acetylacetonate, zinc acetylacetonate, iron acetylacetonate, and copper acetylacetonate.
9. The method of producing a substrate-less adhesive tape having different peeling forces on both sides according to any one of claims 1 to 8, comprising the steps of:
step 1: weighing all raw materials required by the first adhesive layer, placing the raw materials in a container, fully stirring and uniformly mixing to obtain an adhesive A;
step 2: weighing all raw materials required by the second adhesive layer, placing the raw materials in a container, fully stirring and uniformly mixing to obtain an adhesive B;
and step 3: coating an adhesive B on the re-release profile of the release layer to form a second adhesive layer;
and 4, step 4: coating the adhesive A on the light-stripping release paper to form a first adhesive layer;
and 5: adhering the first adhesive layer to the second adhesive layer in a transfer adhering mode, and recovering the light stripping release paper;
step 6: and (4) rolling the release layer with the first adhesive layer and the second adhesive layer to obtain the substrate-free adhesive tape with different two-side peeling forces.
10. The method for preparing a substrate-less adhesive tape with different two-sided peeling forces according to claim 9, wherein the release force of the light-peeling release paper is 2-10g/25 mm.
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| CN201910916098.8A CN110819242A (en) | 2019-09-26 | 2019-09-26 | Non-base material adhesive tape with different peeling forces on two sides and preparation method thereof |
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| CN201910916098.8A CN110819242A (en) | 2019-09-26 | 2019-09-26 | Non-base material adhesive tape with different peeling forces on two sides and preparation method thereof |
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| CN110819242A true CN110819242A (en) | 2020-02-21 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112724891A (en) * | 2020-12-17 | 2021-04-30 | 深圳昌茂粘胶新材料有限公司 | Anti-counterfeiting temperature-resistant double-sided adhesive without base material carrier and preparation method thereof |
| CN114672255A (en) * | 2022-04-27 | 2022-06-28 | 东莞爵士先进电子应用材料有限公司 | Production process of solvent type super-thick substrate-free double faced adhesive tape |
| CN115287022A (en) * | 2022-08-24 | 2022-11-04 | 苏州赛伍应用技术股份有限公司 | Environment-friendly high-solid low-viscosity adhesive as well as preparation method and application thereof |
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| CN114672255A (en) * | 2022-04-27 | 2022-06-28 | 东莞爵士先进电子应用材料有限公司 | Production process of solvent type super-thick substrate-free double faced adhesive tape |
| CN115287022A (en) * | 2022-08-24 | 2022-11-04 | 苏州赛伍应用技术股份有限公司 | Environment-friendly high-solid low-viscosity adhesive as well as preparation method and application thereof |
| CN115287022B (en) * | 2022-08-24 | 2023-12-15 | 苏州赛伍应用技术股份有限公司 | Environment-friendly high-solid low-adhesive and preparation method and application thereof |
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