CN112358769A - Salt-water-resistant coating, salt-water-resistant adhesive tape and manufacturing process thereof - Google Patents
Salt-water-resistant coating, salt-water-resistant adhesive tape and manufacturing process thereof Download PDFInfo
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- CN112358769A CN112358769A CN202011252237.0A CN202011252237A CN112358769A CN 112358769 A CN112358769 A CN 112358769A CN 202011252237 A CN202011252237 A CN 202011252237A CN 112358769 A CN112358769 A CN 112358769A
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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
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D125/00—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an aromatic carbocyclic ring; Coating compositions based on derivatives of such polymers
- C09D125/02—Homopolymers or copolymers of hydrocarbons
- C09D125/04—Homopolymers or copolymers of styrene
- C09D125/08—Copolymers of styrene
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- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D177/00—Coating compositions based on polyamides obtained by reactions forming a carboxylic amide link in the main chain; Coating compositions based on derivatives of such polymers
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- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/61—Additives non-macromolecular inorganic
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- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
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- 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
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- 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]
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- 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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- C09J2423/00—Presence of polyolefin
- C09J2423/04—Presence of homo or copolymers of ethene
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- C09J2479/00—Presence of polyamine or polyimide
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Abstract
The invention relates to a salt water resistant coating and application thereof on an adhesive tape, which comprises the following raw materials in percentage by mass: 45 to 65 percent of resin, 15 to 35 percent of dye, 0.1 to 2 percent of polyethylene wax, 5 to 13 percent of solvent I, 5 to 13 percent of solvent II and 0.1 to 1 percent of solvent III. The saline-resistant adhesive tape containing the saline-resistant coating comprises a base material, one end of the base material is provided with an adhesive layer, a release layer is arranged on the adhesive layer, the other end of the base material is provided with the saline-resistant coating, the peeling force of the adhesive layer is 1000g/25 mm-3000 g/25mm, and the release force of the release layer is 10g/25 mm-100 g/25 mm. The salt-water-resistant adhesive tape provided by the invention is additionally provided with the salt-water-resistant coating, so that the coating plays a role in protecting the base material, the influence of the external environment on the adhesive tape can be effectively prevented, the adhesive is not easy to corrode from the outside, and the salt-water resistance is improved. Through the coating processing, increase and the substrate between the protection, stop external salt solution to the corruption of substrate, stop salt solution to gluing the contact, thereby guarantee to glue and use for a long time and play the permanent protection to the product.
Description
Technical Field
The invention relates to the field of waterproof adhesive tapes, in particular to a salt water resistant coating, an adhesive tape containing the salt water resistant coating and a manufacturing process of the adhesive tape.
Background
In recent years, with the development of electric vehicles, battery packs have been developed rapidly as power sources, and their safety performance has been receiving more and more attention. The sealing and waterproof performance of the battery pack must meet higher requirements, otherwise, the service life of the battery pack is seriously influenced by water inflow of the battery pack. The battery of electric automobile will be exposed for a long time outdoors, the corrosion resistance to the material in order to strengthen the sticky tape performance at present stage, the protection to the battery can generally be pasted one deck sticky tape and is carried out waterproofly, but the sticky tape is used for a long time, can receive the external environment influence, and lose waterproof performance, and simultaneously, traditional sticky tape is than relatively poor in the aspect of anti salt solution, the sticky tape is easily corroded by the salt solution, thereby reduce sticky tape to viscidity, corrode easily inside the battery, cause the short circuit of battery, arouse the battery explosion or reduce the life-span of battery.
Disclosure of Invention
The invention aims to solve the technical problem of designing a salt water resistant coating, and applying the salt water resistant coating to an adhesive tape can prevent the external environment from corroding a base material, prevent salt water from contacting with glue, and ensure long-time use of the glue and protection of products so as to solve the existing technical problem.
In order to solve the technical problems, the invention provides a salt water resistant coating which comprises the following raw materials in percentage by mass: 45% -65% of resin, 15% -35% of dye, 0.1% -2% of polyethylene wax, 5% -13% of solvent I, 5% -13% of solvent II and 0.1% -1% of solvent III, wherein the solvent I is ethanol, the solvent II is water, and the solvent III is ammonia.
Further, the resin is styrene acrylic copolymer polyamide, and the dye is carbon black.
The invention also provides a saline-resistant adhesive tape containing the saline-resistant coating, which comprises a substrate, wherein one end of the substrate is provided with an adhesive layer, a release layer is arranged on the adhesive layer, the other end of the substrate is provided with a coating, the coating is the saline-resistant coating with the proportion, the peeling force of the adhesive layer is 1000g/25 mm-3000 g/25mm, and the release force of the release layer is 10g/25 mm-100 g/25 mm.
Further, the base material is polyimide, and the thickness of the base material is 10-30 micrometers.
Further, the adhesive layer is one of a silica gel-based pressure-sensitive adhesive, an acrylic-based pressure-sensitive adhesive, a polyurethane-based pressure-sensitive adhesive and a rubber-based pressure-sensitive adhesive.
Further, the release layer is one of PET, kraft paper and Teflon, and the thickness of the release layer is 50-70 μm.
Further, the release layer is provided with a release agent, and the release agent is one of a silicone oil release agent, a non-silicone release agent and a fluorine release agent.
The invention also provides a manufacturing process of the saline-resistant adhesive tape, which comprises the following steps:
s1: surface coating of substrates
Selecting a base material with the thickness of 10-30 microns, coating the salt-resistant water coating on one end of the base material in a corona mode, wherein the coating process adopts roll-to-roll coating, the coating temperature is gradually increased from 50 ℃ to 100 ℃, and the coating time is 4-8 min;
s2: glue line arrangement
Arranging an adhesive layer on the other side of the base material, wherein the adhesive layer is one of silica gel-based pressure-sensitive adhesive, acrylic-based pressure-sensitive adhesive, polyurethane-based pressure-sensitive adhesive and rubber-based pressure-sensitive adhesive, and the stripping force of the adhesive layer is 1000g/25 mm-3000 g/25 mm;
s3: from the type layer setting
The adhesive layer is provided with a release layer, the release layer is one of PET, kraft paper and Teflon, the thickness of the release layer is 50-70 μm, and the release force of the release layer is 10-100 g/25 mm.
The invention has the beneficial effects that: the salt-water-resistant adhesive tape provided by the invention is additionally provided with the salt-water-resistant coating, so that the coating plays a role in protecting the base material, the influence of the external environment on the adhesive tape can be effectively prevented, the adhesive is not easy to corrode from the outside, and the salt-water resistance is improved. Through the coating processing, increase and the substrate between the protection, stop external salt solution to the corruption of substrate, stop salt solution to gluing the contact, thereby guarantee to glue and use for a long time and play the permanent protection to the product.
Drawings
The following further explains embodiments of the present invention with reference to the drawings.
FIG. 1 is a schematic structural diagram of the saline resistant adhesive tape of the present invention.
Detailed Description
The salt water resistant coating comprises the following raw materials in percentage by mass: 45% -65% of resin, 15% -35% of dye, 0.1% -2% of polyethylene wax, 5% -13% of solvent I, 5% -13% of solvent II and 0.1% -1% of solvent III, wherein the solvent I is ethanol, the solvent II is water, and the solvent III is ammonia; the resin is styrene acrylic acid copolymer polyamide, and the dye is carbon black.
Referring to fig. 1, the saline-resistant adhesive tape of the invention comprises a substrate 1, one end of the substrate 1 is provided with an adhesive layer 2, the adhesive layer 2 is provided with a release layer 3, the other end of the substrate 1 is provided with a coating 4, the coating 4 is the saline-resistant coating with the above ratio, the peeling force of the adhesive layer 2 is 1000g/25 mm-3000 g/25mm, the peeling force of the adhesive layer 2 is preferably 1600g/25 mm-3000 g/25mm, and the release force of the release layer 3 is 10g/25 mm-100 g/25 mm. The substrate 1 is polyimide, and the thickness of the substrate 1 is 10 to 30 μm. The adhesive layer 2 is one of silica gel-based pressure-sensitive adhesive, acrylic acid-based pressure-sensitive adhesive, polyurethane-based pressure-sensitive adhesive and rubber-based pressure-sensitive adhesive, and the adhesive layer 2 is preferably silica gel-based pressure-sensitive adhesive or acrylic acid-based pressure-sensitive adhesive. The release layer 3 is one of PET, kraft paper and Teflon, and the thickness of the release layer 3 is 50-70 μm. The release layer 3 is provided with a release agent, and the release agent is one of silicone oil release agent, non-silicone release agent and fluorine release agent.
The manufacturing process of the anti-saline adhesive tape comprises the following steps:
s1: surface coating of substrates
Selecting a base material with the thickness of 10-30 microns, coating the salt water resistant coating on one end of the base material in a corona mode, wherein the coating process adopts roll-to-roll coating, the coating temperature is gradually increased from 50 ℃ to 100 ℃, and the coating time is 4-8 min;
s2: glue line arrangement
Arranging an adhesive layer on the other side of the base material, wherein the adhesive layer is one of silica gel-based pressure-sensitive adhesive, acrylic-based pressure-sensitive adhesive, polyurethane-based pressure-sensitive adhesive and rubber-based pressure-sensitive adhesive, and the stripping force of the adhesive layer is 1000g/25 mm-3000 g/25 mm;
s3: from the type layer setting
The adhesive layer is provided with a release layer, the release layer is one of PET, kraft paper and Teflon, the thickness of the release layer is 50-70 μm, and the release force of the release layer is 10-100 g/25 mm.
When the saline-resistant adhesive tape is used, the release layer is torn off, and the adhesive layer is attached to a product to be protected. The salt-water-resistant adhesive tape provided by the invention is additionally provided with the salt-water-resistant coating, so that the coating plays a role in protecting the base material, the influence of the external environment on the adhesive tape can be effectively prevented, the adhesive is not easy to corrode from the outside, and the salt-water resistance is improved. Through the coating processing, increase and the substrate between the protection, stop external salt solution to the corruption of substrate, stop salt solution to gluing the contact, thereby guarantee to glue and use for a long time and play the permanent protection to the product.
Example 1
The salt water resistant coating comprises the following raw materials in percentage by mass: 45% of styrene acrylic copolymer polyamide, 35% of carbon black, 1.5% of polyethylene wax, 9% of ethanol, 9% of water and 0.5% of ammonia.
Referring to fig. 1, the saline-resistant adhesive tape of the embodiment includes a substrate 1, one end of the substrate 1 is provided with an adhesive layer 2, the adhesive layer 2 is provided with a release layer 3, the other end of the substrate 1 is provided with a coating 4, the coating 4 is the saline-resistant coating with the above ratio, the peeling force of the adhesive layer 2 is 1000g/25mm, and the release force of the release layer 3 is 10g/25 mm-100 g/25 mm. The base material 1 is polyimide, the thickness of the base material 1 is 10 micrometers, the adhesive layer 2 is polyurethane-based pressure-sensitive adhesive, the release layer 3 is kraft paper, the thickness of the release layer 3 is 50 micrometers, and the release layer 3 is provided with a silicone oil release agent.
The manufacturing process of the saline resistant adhesive tape comprises the following steps:
s1: surface coating of substrates
Selecting polyimide with the thickness of 10 mu m as a base material, coating the salt-resistant water coating on one end of the polyimide in a corona mode, wherein the coating process adopts roll-to-roll coating, the coating temperature is gradually increased from 50 ℃ to 100 ℃, and the coating time is 4 min;
s2: glue line arrangement
Arranging a polyurethane-based pressure-sensitive adhesive layer on the other side of the polyimide, wherein the stripping force of the adhesive layer is 1000g/25 mm;
s3: from the type layer setting
Kraft paper is arranged on the adhesive layer to serve as a release layer, the thickness of the release layer is 50 mu m, and the release force of the release layer is 10g/25 mm-100 g/25 mm.
Example 2
The salt water resistant coating comprises the following raw materials in percentage by mass: 50% styrene acrylic copolymer polyamide, 32% carbon black, 2% polyethylene wax, 10% ethanol, 5% water and 1% ammonia.
Referring to fig. 1, the saline-resistant adhesive tape of the embodiment includes a substrate 1, one end of the substrate 1 is provided with an adhesive layer 2, the adhesive layer 2 is provided with a release layer 3, the other end of the substrate 1 is provided with a coating 4, the coating 4 is the saline-resistant coating with the above ratio, the peeling force of the adhesive layer 2 is 1600g/25mm, and the release force of the release layer 3 is 10g/25 mm-100 g/25 mm. The substrate 1 is polyimide, the thickness of the substrate 1 is 16 micrometers, the adhesive layer 2 is rubber-based pressure-sensitive adhesive, the release layer 3 is Teflon, the thickness of the release layer 3 is 60 micrometers, and the release layer 4 is provided with a non-silicon release agent.
The manufacturing process of the saline resistant adhesive tape comprises the following steps:
s1: surface coating of substrates
Selecting polyimide with the thickness of 16 microns as a base material, coating the salt-resistant water coating on one end of the polyimide in a corona mode, wherein the coating process adopts roll-to-roll coating, the coating temperature is gradually increased from 50 ℃ to 100 ℃, and the coating time is 5 min;
s2: glue line arrangement
Arranging a rubber-based pressure-sensitive adhesive layer on the other side of the polyimide, wherein the peeling force of the adhesive layer is 1600g/25 mm;
s3: from the type layer setting
Teflon is arranged on the adhesive layer to serve as a release layer, the thickness of the release layer is 60 micrometers, and the release force of the release layer is 10g/25 mm-100 g/25 mm.
Example 3
The salt water resistant coating comprises the following raw materials in percentage by mass: 55% of styrene acrylic copolymer polyamide, 25% of carbon black, 0.1% of polyethylene wax, 13% of ethanol, 6% of water and 0.9% of ammonia.
Referring to fig. 1, the saline-resistant adhesive tape of the embodiment includes a substrate 1, one end of the substrate 1 is provided with an adhesive layer 2, the adhesive layer 2 is provided with a release layer 3, the other end of the substrate 1 is provided with a coating 4, the coating 4 is the saline-resistant coating with the above ratio, the peeling force of the adhesive layer 2 is 2000g/25mm, and the release force of the release layer 3 is 10g/25 mm-100 g/25 mm. The base material 1 is polyimide, the thickness of the base material 1 is 22 micrometers, the adhesive layer 2 is silica gel-based pressure-sensitive adhesive, the release layer 3 is PET, the thickness of the release layer 3 is 63 micrometers, and the release layer 5 is provided with a fluorine release agent.
The manufacturing process of the saline resistant adhesive tape comprises the following steps:
s1: surface coating of substrates
Selecting polyimide with the thickness of 22 mu m as a base material, coating the salt-resistant water coating on one end of the polyimide in a corona mode, wherein the coating process adopts roll-to-roll coating, the coating temperature is gradually increased from 50 ℃ to 100 ℃, and the coating time is 6 min;
s2: glue line arrangement
Arranging a silicon-based pressure-sensitive adhesive layer on the other side of the polyimide, wherein the stripping force of the adhesive layer is 2000g/25 mm;
s3: from the type layer setting
PET is arranged on the adhesive layer to serve as a release layer, the thickness of the release layer is 63 mu m, and the release force of the release layer is 10g/25 mm-100 g/25 mm.
Example 4
The salt water resistant coating comprises the following raw materials in percentage by mass: 62% of styrene acrylic copolymer polyamide, 19% of carbon black, 0.9% of polyethylene wax, 5% of ethanol, 13% of water and 0.1% of ammonia.
Referring to fig. 1, the saline-resistant adhesive tape of the embodiment includes a substrate 1, one end of the substrate 1 is provided with an adhesive layer 2, the adhesive layer 2 is provided with a release layer 3, the other end of the substrate 1 is provided with a coating 4, the coating 4 is the saline-resistant coating with the above ratio, the peeling force of the adhesive layer 2 is 2400g/25mm, and the release force of the release layer 3 is 10g/25 mm-100 g/25 mm. The substrate 1 is polyimide, the thickness of the substrate 1 is 28 micrometers, the adhesive layer 2 is acrylic-based pressure-sensitive adhesive, the release layer 3 is PET, the thickness of the release layer 3 is 68 micrometers, and the release layer 6 is provided with a silicone oil release agent.
The manufacturing process of the saline resistant adhesive tape comprises the following steps:
s1: surface coating of substrates
Selecting polyimide with the thickness of 28 microns as a base material, coating the salt-resistant water coating on one end of the polyimide in a corona mode, wherein the coating process adopts roll-to-roll coating, the coating temperature is gradually increased from 50 ℃ to 100 ℃, and the coating time is 7 min;
s2: glue line arrangement
Arranging an acrylic pressure-sensitive adhesive layer on the other side of the polyimide, wherein the stripping force of the adhesive layer is 2400g/25 mm;
s3: from the type layer setting
PET is arranged on the adhesive layer to serve as a release layer, the thickness of the release layer is 68 mu m, and the release force of the release layer is 10g/25 mm-100 g/25 mm.
Example 5
The salt water resistant coating comprises the following raw materials in percentage by mass: 65% of styrene acrylic copolymer polyamide, 15% of carbon black, 1.7% of polyethylene wax, 8% of ethanol, 10% of water and 0.3% of ammonia.
Referring to fig. 1, the saline-resistant adhesive tape of the embodiment includes a substrate 1, one end of the substrate 1 is provided with an adhesive layer 2, the adhesive layer 2 is provided with a release layer 3, the other end of the substrate 1 is provided with a coating 4, the coating 4 is the saline-resistant coating with the above ratio, the peeling force of the adhesive layer 2 is 3000g/25mm, and the release force of the release layer 3 is 10g/25 mm-100 g/25 mm. The substrate 1 is polyimide, the thickness of the substrate 1 is 30 micrometers, the adhesive layer 2 is acrylic-based pressure-sensitive adhesive, the release layer 3 is Teflon, the thickness of the release layer 3 is 70 micrometers, and the release layer 7 is provided with a silicone oil release agent.
The manufacturing process of the saline resistant adhesive tape comprises the following steps:
s1: surface coating of substrates
Selecting polyimide with the thickness of 30 mu m as a base material, coating the salt-resistant water coating on one end of the polyimide in a corona mode, wherein the coating process adopts roll-to-roll coating, the coating temperature is gradually increased from 50 ℃ to 100 ℃, and the coating time is 8 min;
s2: glue line arrangement
Arranging an acrylic pressure-sensitive adhesive layer on the other side of the polyimide, wherein the stripping force of the adhesive layer is 3000g/25 mm;
s3: from the type layer setting
Teflon is arranged on the adhesive layer to serve as a release layer, the thickness of the release layer is 70 mu m, and the release force of the release layer is 10g/25 mm-100 g/25 mm.
The saline-resistant adhesive tapes of examples 1 to 5 were subjected to experimental tests, incorporating a conventional adhesive tape not coated with a saline-resistant coating according to the invention for reference and comparison, the experimental procedure being as follows:
taking 2 pieces of the saline-resistant adhesive tapes and 2 pieces of the ordinary adhesive tapes in examples 1-5 at a temperature of 25 +/-2 ℃, wherein the length of the adhesive tapes is 50mm, the width of the adhesive tapes is 25mm, the adhesive tapes are pasted on a back sticker, 10 pieces of the saline-resistant adhesive tapes and 2 pieces of the ordinary adhesive tapes are simultaneously put into 5% NaCl solution, 1 piece of the saline-resistant adhesive tapes and 1 piece of the ordinary adhesive tapes in examples 1-5 are taken out after 24 hours, the corrosion condition of the adhesive tapes is observed one by one under a microscope, the rest adhesive tapes (namely 1 piece of the saline-resistant adhesive tapes and 1 piece of the ordinary adhesive tapes in examples 1-5) are taken out after 48 hours, the corrosion condition of the adhesive tapes is observed one by one under the microscope, and the performance of the adhesive tapes in a test period is tested, so as to obtain the:
| 24 hours corrosion situation | Corrosion condition in 48 hours | |
| Common adhesive tape | Etching by 3mm | Complete corrosion, peel forceThe reduction is 20 percent |
| Example 1 saline-resistant adhesive tape | No corrosion | Corrosion of 0.3mm, no change under peeling force |
| Example 2 saline-resistant adhesive tape | No corrosion | Corrosion of 0.3mm, no change under peeling force |
| Example 3 saline-resistant adhesive tape | No corrosion | Corrosion of 0.1mm, no change under peeling force |
| Example 4 saline-resistant adhesive tape | No corrosion | Corrosion of 0.2mm, no change under peeling force |
| Example 5 saline resistant adhesive tape | No corrosion | Corrosion of 0.1mm, no change under peeling force |
Experimental data show that the saline-resistant adhesive tape provided by the invention has the advantages that as the saline-resistant coating is added, the coating plays a role in protecting a base material, the average value of the corrosion part of the adhesive tape in an anti-corrosion experiment is 0.2mm and is lower than an acceptable range (spec is 0.5mm), the stripping force is unchanged, the influence of the external environment on the adhesive tape can be effectively prevented, the adhesive is not easily corroded by the outside, the saline-resistant performance is improved, and the adhesive is ensured to be used for a long time so as to play a role in long-term protection of products.
In the previous description, numerous specific details were set forth in order to provide a thorough understanding of the present invention. The foregoing description is only a preferred embodiment of the invention, which can be embodied in many different forms than described herein, and therefore the invention is not limited to the specific embodiments disclosed above. And that those skilled in the art may, using the methods and techniques disclosed above, make numerous possible variations and modifications to the disclosed embodiments, or modify equivalents thereof, without departing from the scope of the claimed embodiments. Any simple modification, equivalent change and modification of the above embodiments according to the technical essence of the present invention are within the scope of the technical solution of the present invention.
Claims (8)
1. A salt-water resistant coating, characterized by: the composite material comprises the following raw materials in percentage by mass: 45% -65% of resin, 15% -35% of dye, 0.1% -2% of polyethylene wax, 5% -13% of solvent I, 5% -13% of solvent II and 0.1% -1% of solvent III, wherein the solvent I is ethanol, the solvent II is water, and the solvent III is ammonia.
2. The brine-resistant coating of claim 1, wherein: the resin is styrene acrylic acid copolymer polyamide, and the dye is carbon black.
3. The utility model provides an anti salt water sticky tape which characterized in that: the saline-resistant coating comprises a substrate (1), wherein one end of the substrate (1) is provided with a glue layer (2), a release layer (3) is arranged on the glue layer (2), the other end of the substrate (1) is provided with a coating (4), the coating (4) is the saline-resistant coating of any one of claims 1-2, the peeling force of the glue layer (2) is 1000g/25 mm-3000 g/25mm, and the release force of the release layer (3) is 10g/25 mm-100 g/25 mm.
4. The saline resistant adhesive tape of claim 3, wherein: the base material (1) is polyimide, and the thickness of the base material (1) is 10-30 micrometers.
5. The saline resistant adhesive tape of claim 3, wherein: the adhesive layer (2) is one of silica gel-based pressure-sensitive adhesive, acrylic acid-based pressure-sensitive adhesive, polyurethane-based pressure-sensitive adhesive and rubber-based pressure-sensitive adhesive.
6. The saline resistant adhesive tape of claim 3, wherein: the release layer (3) is one of PET, kraft paper and Teflon, and the thickness of the release layer (3) is 50-70 μm.
7. The saline resistant adhesive tape of claim 3, wherein: the release layer (3) is provided with a release agent, and the release agent is one of a silicone oil release agent, a non-silicone release agent and a fluorine release agent.
8. A manufacturing process of a saline-resistant adhesive tape is characterized by comprising the following steps: the method comprises the following steps:
s1: surface coating of substrates
Selecting a substrate with the thickness of 10-30 microns, coating the salt-water-resistant coating of any one of claims 1-2 on one end of the substrate in a corona mode, wherein the coating process adopts roll-to-roll coating, the coating temperature is gradually increased from 50 ℃ to 100 ℃, and the coating time is 4-8 min;
s2: glue line arrangement
Arranging an adhesive layer on the other side of the base material, wherein the adhesive layer is one of silica gel-based pressure-sensitive adhesive, acrylic-based pressure-sensitive adhesive, polyurethane-based pressure-sensitive adhesive and rubber-based pressure-sensitive adhesive, and the stripping force of the adhesive layer is 1000g/25 mm-3000 g/25 mm;
s3: from the type layer setting
The adhesive layer is provided with a release layer, the release layer is one of PET, kraft paper and Teflon, the thickness of the release layer is 50-70 μm, and the release force of the release layer is 10-100 g/25 mm.
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Application publication date: 20210212 |