CN110684224A - Matte release film with stable stripping property - Google Patents
Matte release film with stable stripping property Download PDFInfo
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- CN110684224A CN110684224A CN201910835019.0A CN201910835019A CN110684224A CN 110684224 A CN110684224 A CN 110684224A CN 201910835019 A CN201910835019 A CN 201910835019A CN 110684224 A CN110684224 A CN 110684224A
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- matte release
- silicone oil
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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
- C09D131/00—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 acyloxy radical of a saturated carboxylic acid, of carbonic acid, or of a haloformic acid; Coating compositions based on derivatives of such polymers
- C09D131/02—Homopolymers or copolymers of esters of monocarboxylic acids
- C09D131/04—Homopolymers or copolymers of vinyl acetate
-
- 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
- C09D183/00—Coating compositions based on macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon, with or without sulfur, nitrogen, oxygen, or carbon only; Coating compositions based on derivatives of such polymers
- C09D183/04—Polysiloxanes
-
- 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
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/20—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes for coatings strippable as coherent films, e.g. temporary coatings strippable as coherent films
-
- 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
- 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
-
- 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
- C09J7/40—Adhesives in the form of films or foils characterised by release liners
- C09J7/401—Adhesives in the form of films or foils characterised by release liners characterised by the release coating composition
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2423/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
- C08J2423/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
- C08J2423/04—Homopolymers or copolymers of ethene
- C08J2423/08—Copolymers of ethene
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2431/00—Characterised by the use of 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 acyloxy radical of a saturated carboxylic acid, or carbonic acid, or of a haloformic acid
- C08J2431/02—Characterised by the use of omopolymers or copolymers of esters of monocarboxylic acids
- C08J2431/04—Homopolymers or copolymers of vinyl acetate
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2483/00—Characterised by the use of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon with or without sulfur, nitrogen, oxygen, or carbon only; Derivatives of such polymers
- C08J2483/04—Polysiloxanes
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2483/00—Characterised by the use of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon with or without sulfur, nitrogen, oxygen, or carbon only; Derivatives of such polymers
- C08J2483/04—Polysiloxanes
- C08J2483/05—Polysiloxanes containing silicon bound to hydrogen
Abstract
The invention relates to the technical field of matte release films and discloses a matte release film with stable stripping property, which comprises a film substrate, wherein a matte release agent is coated on the film substrate; the raw material formula of the matte release agent comprises the following materials in percentage by mass: 20-35% of hydroxyl silicone oil, 1-3% of methyl hydrogen silicone oil, 1-5% of metal catalyst, 13-25% of additive, 20-32% of polyvinyl acetate resin, 7-15% of ethylene-acrylic acid copolymer, 1-4% of fumed silica, 1-4% of metal catalyst, 0.08-0.15 um of talcum powder as additive, 2500-3500 cps of viscosity of methyl hydrogen silicone oil, 9000-15000 cps of viscosity of hydroxyl silicone oil, and the preparation method of the matte release agent comprises the following steps: the polyvinyl acetate resin and the ethylene-acrylic acid copolymer are put into a stirrer to be stirred. The matte release film with stable stripping performance has good smoothness and strength, stable stripping performance and good atomization effect.
Description
Technical Field
The invention relates to the technical field of matte release films, in particular to a matte release film with stable stripping property.
Background
The release film is prepared by coating release agent on the surface layer of PET, PE and OPP film base material to show light and stable release force for different organic pressure-sensitive adhesives, wherein the required film release force is different, the release force is correspondingly adjusted according to different viscosity of the product adhesive to be isolated, so that the product adhesive can reach light and stable release force when being stripped, in order to make the pressure-sensitive adhesive reach certain degree of concave-convex shape, the adhesive surface has certain roughness and low reflection effect, the matte release film plays a main role, the general preparation method comprises the steps of grinding the film base material through a grinding sheet to be rough, cleaning the dust of the coated base material, washing and coating a layer of release film on the surface of the film after dust removal, and the method has the defects that the grinding depth is different, the uneven shape on the surface of the film leads to unstable peeling force of the release film, or the release paper and the coating layer are attached by a high-viscosity adhesive film, so that the phenomenon of poor release can be caused, the haze is not uniform, and the product waste is caused.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a matte release film with stable stripping performance, which has the advantages of stable stripping performance, good atomization effect and the like, and solves the problem that in the prior art, after a film base material is polished to be rough by a grinding sheet, the surface of the film is uneven in concave-convex shape, so that the stripping force of the release film is unstable.
(II) technical scheme
In order to realize the purposes of stable stripping performance and good atomization effect, the invention provides the following technical scheme: a matte release film with stable stripping performance comprises a film substrate, wherein a matte release agent is coated on the film substrate;
the raw material formula of the matte release agent comprises the following materials in percentage by mass: 20-35% of hydroxyl silicone oil, 1-3% of methyl hydrogen-containing silicone oil, 1-5% of metal catalyst, 13-25% of additive, 20-32% of polyvinyl acetate resin, 7-15% of ethylene-acrylic acid copolymer and 1-4% of fumed silica.
Preferably, the metal catalyst is platinum.
Preferably, the additive is talcum powder, and the particle diameter of the talcum powder is 0.08-0.15 um.
Preferably, the viscosity of the methyl hydrogen-containing silicone oil is 2500-3500 cps, and the viscosity of the hydroxyl silicone oil is 9000-15000 cps.
Preferably, the preparation method of the matte release agent comprises the following steps:
the preparation method comprises the steps of putting polyvinyl acetate resin and ethylene-acrylic acid copolymer into a stirrer for stirring at the speed of 200-400 r/min for 35-45 min at the stirring temperature of 65-80 ℃, adding hydroxy silicone oil, methyl hydrogen silicone oil, additives and gas-phase silicon dioxide with corresponding mass, continuing stirring for 10min, and finally adding metal catalyst with corresponding mass and stirring for 15 min.
Preferably, the method for coating the matte release agent on the film substrate is comma coating, and anilox roller coating can also be adopted.
Preferably, the coating thickness of the matte release agent on the film substrate is 2.2 um-2.6 um.
Preferably, after the coating of the matte release agent is finished, drying and curing treatment is carried out, wherein the drying time is 20-30 min, and the drying temperature is 80-90 ℃.
(III) advantageous effects
Compared with the prior art, the invention provides a matte release film with stable stripping property, which has the following beneficial effects:
the matte release film with stable stripping performance is prepared by matching hydroxy silicone oil, methyl hydrogen silicone oil, a metal catalyst, an additive, polyvinyl acetate resin, an ethylene-acrylic acid copolymer and gas-phase silica with different mass percentage contents at different stirring speeds, stirring time and stirring temperatures, the matte release agent with stable performance is formed after being coated on a film substrate, and the metal catalyst platinum and the additive talcum powder are added, so that the uniformity of atomization is ensured, the matte release film is coated on the film substrate and has good smoothness and strength, the stripping performance is stable, and the atomization effect is good.
Detailed Description
The invention discloses a matte release film with stable stripping property, which can be realized by properly improving process parameters by referring to the content in the text. It is expressly intended that all such similar substitutes and modifications which would be obvious to one skilled in the art are deemed to be included in the invention. While the invention has been described in terms of preferred embodiments, it will be apparent to those skilled in the art that the present technology can be practiced and applied with modification, or with appropriate modification and combination, without departing from the spirit and scope of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention. The invention is further illustrated by the following examples.
Example 1
The embodiment provides a matte release film with stable stripping performance, which comprises a film substrate, wherein a matte release agent is coated on the film substrate;
the raw material formula of the matte release agent comprises the following materials in percentage by mass: 20% of hydroxyl silicone oil, 1% of methyl hydrogen-containing silicone oil, 5% of metal catalyst, 25% of additive, 30% of polyvinyl acetate resin, 15% of ethylene-acrylic acid copolymer and 4% of fumed silica.
The metal catalyst is platinum.
The additive is talcum powder, and the particle diameter of the talcum powder is 0.08-0.15 um.
The viscosity of the methyl hydrogen-containing silicone oil is 2500-3500 cps, and the viscosity of the hydroxyl silicone oil is 9000-15000 cps.
The preparation method of the matte release agent comprises the following steps:
the polyvinyl acetate resin and the ethylene-acrylic acid copolymer are put into a stirrer to be stirred, the stirring speed is 200r/min, the stirring time is 35min, the stirring temperature is 65 ℃, then the hydroxy silicone oil, the methyl hydrogen silicone oil, the additives and the gas phase silicon dioxide with corresponding mass are added, the stirring is continued for 10min, and finally the metal catalyst with corresponding mass is added, and the stirring is carried out for 15 min.
The coating method of the matte release agent on the film base material is comma coating, and anilox roller coating can also be adopted.
The coating thickness of the matte release agent on the film substrate is 2.2-2.6 um.
And (3) after the matte release agent is coated, carrying out drying and curing treatment, wherein the drying time is 20-30 min, and the drying temperature is 80-90 ℃.
Example 2
The embodiment provides a matte release film with stable stripping performance, which comprises a film substrate, wherein a matte release agent is coated on the film substrate;
the raw material formula of the matte release agent comprises the following materials in percentage by mass: 25% of hydroxyl silicone oil, 2% of methyl hydrogen-containing silicone oil, 3% of metal catalyst, 23% of additive, 32% of polyvinyl acetate resin, 14% of ethylene-acrylic acid copolymer and 1% of fumed silica.
The metal catalyst is platinum.
The additive is talcum powder, and the particle diameter of the talcum powder is 0.08-0.15 um.
The viscosity of the methyl hydrogen-containing silicone oil is 2500-3500 cps, and the viscosity of the hydroxyl silicone oil is 9000-15000 cps.
The preparation method of the matte release agent comprises the following steps:
the polyvinyl acetate resin and the ethylene-acrylic acid copolymer are put into a stirrer to be stirred, the stirring speed is 250r/min, the stirring time is 40min, the stirring temperature is 70 ℃, then the hydroxy silicone oil, the methyl hydrogen silicone oil, the additives and the gas phase silicon dioxide with corresponding mass are added, the stirring is continued for 10min, and finally the metal catalyst with corresponding mass is added, and the stirring is carried out for 15 min.
The coating method of the matte release agent on the film base material is comma coating, and anilox roller coating can also be adopted.
The coating thickness of the matte release agent on the film substrate is 2.2-2.6 um.
And (3) after the matte release agent is coated, carrying out drying and curing treatment, wherein the drying time is 20-30 min, and the drying temperature is 80-90 ℃.
Example 3
The embodiment provides a matte release film with stable stripping performance, which comprises a film substrate, wherein a matte release agent is coated on the film substrate;
the raw material formula of the matte release agent comprises the following materials in percentage by mass: 30% of hydroxyl silicone oil, 1% of methyl hydrogen-containing silicone oil, 2% of metal catalyst, 22% of additive, 28% of polyvinyl acetate resin, 13% of ethylene-acrylic acid copolymer and 4% of fumed silica.
The metal catalyst is platinum.
The additive is talcum powder, and the particle diameter of the talcum powder is 0.08-0.15 um.
The viscosity of the methyl hydrogen-containing silicone oil is 2500-3500 cps, and the viscosity of the hydroxyl silicone oil is 9000-15000 cps.
The preparation method of the matte release agent comprises the following steps:
the polyvinyl acetate resin and the ethylene-acrylic acid copolymer are put into a stirrer to be stirred, the stirring speed is 300r/min, the stirring time is 35min, the stirring temperature is 80 ℃, then the hydroxy silicone oil, the methyl hydrogen silicone oil, the additives and the gas phase silicon dioxide with corresponding mass are added, the stirring is continued for 10min, and finally the metal catalyst with corresponding mass is added, and the stirring is carried out for 15 min.
The coating method of the matte release agent on the film base material is comma coating, and anilox roller coating can also be adopted.
The coating thickness of the matte release agent on the film substrate is 2.2-2.6 um.
And (3) after the matte release agent is coated, carrying out drying and curing treatment, wherein the drying time is 20-30 min, and the drying temperature is 80-90 ℃.
Example 4
The embodiment provides a matte release film with stable stripping performance, which comprises a film substrate, wherein a matte release agent is coated on the film substrate;
the raw material formula of the matte release agent comprises the following materials in percentage by mass: 35% of hydroxyl silicone oil, 1% of methyl hydrogen-containing silicone oil, 4% of metal catalyst, 15% of additive, 27% of polyvinyl acetate resin, 15% of ethylene-acrylic acid copolymer and 3% of fumed silica.
The metal catalyst is platinum.
The additive is talcum powder, and the particle diameter of the talcum powder is 0.08-0.15 um.
The viscosity of the methyl hydrogen-containing silicone oil is 2500-3500 cps, and the viscosity of the hydroxyl silicone oil is 9000-15000 cps.
The preparation method of the matte release agent comprises the following steps:
the polyvinyl acetate resin and the ethylene-acrylic acid copolymer are put into a stirrer to be stirred, the stirring speed is 400r/min, the stirring time is 40min, the stirring temperature is 75 ℃, then the hydroxy silicone oil, the methyl hydrogen silicone oil, the additives and the gas phase silicon dioxide with corresponding mass are added, the stirring is continued for 10min, and finally the metal catalyst with corresponding mass is added, and the stirring is carried out for 15 min.
The coating method of the matte release agent on the film base material is comma coating, and anilox roller coating can also be adopted.
The coating thickness of the matte release agent on the film substrate is 2.2-2.6 um.
And (3) after the matte release agent is coated, carrying out drying and curing treatment, wherein the drying time is 20-30 min, and the drying temperature is 80-90 ℃.
Example 5
The embodiment provides a matte release film with stable stripping performance, which comprises a film substrate, wherein a matte release agent is coated on the film substrate;
the raw material formula of the matte release agent comprises the following materials in percentage by mass: 33% of hydroxyl silicone oil, 2% of methyl hydrogen-containing silicone oil, 5% of metal catalyst, 20% of additive, 29% of polyvinyl acetate resin, 9% of ethylene-acrylic acid copolymer and 2% of fumed silica.
The metal catalyst is platinum.
The additive is talcum powder, and the particle diameter of the talcum powder is 0.08-0.15 um.
The viscosity of the methyl hydrogen-containing silicone oil is 2500-3500 cps, and the viscosity of the hydroxyl silicone oil is 9000-15000 cps.
The preparation method of the matte release agent comprises the following steps:
the polyvinyl acetate resin and the ethylene-acrylic acid copolymer are put into a stirrer to be stirred, the stirring speed is 250r/min, the stirring time is 45min, the stirring temperature is 70 ℃, then the hydroxy silicone oil, the methyl hydrogen silicone oil, the additives and the gas phase silicon dioxide with corresponding mass are added, the stirring is continued for 10min, and finally the metal catalyst with corresponding mass is added, and the stirring is carried out for 15 min.
The coating method of the matte release agent on the film base material is comma coating, and anilox roller coating can also be adopted.
The coating thickness of the matte release agent on the film substrate is 2.2-2.6 um.
And (3) after the matte release agent is coated, carrying out drying and curing treatment, wherein the drying time is 20-30 min, and the drying temperature is 80-90 ℃.
In conclusion, the matte release film with stable stripping performance is prepared by matching hydroxy silicone oil, methyl hydrogen-containing silicone oil, a metal catalyst, an additive, polyvinyl acetate resin, an ethylene-acrylic acid copolymer and gas-phase silica with different mass percentage contents at different stirring speeds, stirring time and stirring temperatures, the matte release agent with stable performance is formed after being coated on a film substrate, and the metal catalyst platinum and the additive talcum powder are added, so that the uniformity of atomization is ensured, and the matte release film is coated on the film substrate, has good smoothness and strength, is stable in stripping performance and good in atomization effect.
It is to be noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The matte release film with stable stripping performance comprises a film substrate and is characterized in that: the film base material is coated with matte release agent;
the raw material formula of the matte release agent comprises the following materials in percentage by mass: 20-35% of hydroxyl silicone oil, 1-3% of methyl hydrogen-containing silicone oil, 1-5% of metal catalyst, 13-25% of additive, 20-32% of polyvinyl acetate resin, 7-15% of ethylene-acrylic acid copolymer and 1-4% of fumed silica.
2. The release-stable matte release film according to claim 1, wherein: the metal catalytic compound is platinum.
3. The release-stable matte release film according to claim 1, wherein: the additive is talcum powder, and the particle diameter of the talcum powder is 0.08-0.15 um.
4. The release-stable matte release film according to claim 1, wherein: the viscosity of the methyl hydrogen-containing silicone oil is 2500-3500 cps, and the viscosity of the hydroxyl silicone oil is 9000-15000 cps.
5. The release-stable matte release film according to claim 1, wherein: the preparation method of the matte release agent comprises the following steps:
the preparation method comprises the steps of putting polyvinyl acetate resin and ethylene-acrylic acid copolymer into a stirrer for stirring at the speed of 200-400 r/min for 35-45 min at the stirring temperature of 65-80 ℃, adding hydroxy silicone oil, methyl hydrogen silicone oil, additives and gas-phase silicon dioxide with corresponding mass, continuing stirring for 10min, and finally adding metal catalyst with corresponding mass and stirring for 15 min.
6. The release-stable matte release film according to claim 1, wherein: the coating method of the matte release agent on the film base material is comma coating, and anilox roller coating can also be adopted.
7. The release-stable matte release film according to claim 1, wherein: the coating thickness of the matte release agent on the film substrate is 2.2 um-2.6 um.
8. The release-stable matte release film according to claim 1, wherein: and after the matte release agent is coated, drying and curing treatment is carried out, wherein the drying time is 20-30 min, and the drying temperature is 80-90 ℃.
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| CN201910835019.0A CN110684224A (en) | 2019-09-05 | 2019-09-05 | Matte release film with stable stripping property |
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| CN201910835019.0A CN110684224A (en) | 2019-09-05 | 2019-09-05 | Matte release film with stable stripping property |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112409945A (en) * | 2020-10-30 | 2021-02-26 | 四川羽玺新材料股份有限公司 | High-reliability matte release material for adhesive tape |
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2019
- 2019-09-05 CN CN201910835019.0A patent/CN110684224A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112409945A (en) * | 2020-10-30 | 2021-02-26 | 四川羽玺新材料股份有限公司 | High-reliability matte release material for adhesive tape |
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