CN113150351A - Polyester release film for optical film and preparation method thereof - Google Patents
Polyester release film for optical film and preparation method thereof Download PDFInfo
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- CN113150351A CN113150351A CN202110384362.5A CN202110384362A CN113150351A CN 113150351 A CN113150351 A CN 113150351A CN 202110384362 A CN202110384362 A CN 202110384362A CN 113150351 A CN113150351 A CN 113150351A
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- 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
- C08J7/00—Chemical treatment or coating of shaped articles made of macromolecular substances
- C08J7/04—Coating
- C08J7/048—Forming gas barrier coatings
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- 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
- C08J7/00—Chemical treatment or coating of shaped articles made of macromolecular substances
- C08J7/04—Coating
- C08J7/0427—Coating with only one layer of a composition containing a polymer binder
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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
- C09D4/00—Coating compositions, e.g. paints, varnishes or lacquers, based on organic non-macromolecular compounds having at least one polymerisable carbon-to-carbon unsaturated bond ; Coating compositions, based on monomers of macromolecular compounds of groups C09D183/00 - C09D183/16
- C09D4/06—Organic non-macromolecular compounds having at least one polymerisable carbon-to-carbon unsaturated bond in combination with a macromolecular compound other than an unsaturated polymer of groups C09D159/00 - C09D187/00
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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
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/65—Additives macromolecular
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- 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
- C08J2367/00—Characterised by the use of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Derivatives of such polymers
Abstract
The invention discloses a polyester release film for an optical film and a preparation method thereof, belonging to the field of optical films, wherein the polyester release film comprises a release film layer and a polyester film layer, the release film layer is arranged on one surface of the polyester film layer, and the release film layer is composed of the following raw materials in parts by weight: 10-15 parts of dihydric alcohol, 10-15 parts of isophthalic acid, 10-15 parts of oxalic acid, 1-5 parts of a cross-linking agent, 1-5 parts of an additive, 1-5 parts of a polymerization inhibitor, 1-5 parts of a catalyst, 1-5 parts of an accelerator, 1-5 parts of a dye, 1-5 parts of a lubricant and 1-2 parts of wax; the method comprises the following steps: s1: adding dihydric alcohol, isophthalic acid and oxalic acid into a container, mixing and stirring, and standing for later use after stirring. The invention can dissolve unsaturated polyester resin, and make the double bonds of the unsaturated polyester resin generate copolymerization reaction to obtain a body-shaped product, so as to improve the performance of the cured resin, and simultaneously, a small amount of wax is added into the raw material, so that a film is formed on the surface of a coating film, air is isolated to promote surface curing, the product quality of the polyester release film is improved, and the use of people is facilitated.
Description
Technical Field
The invention relates to the field of optical films, in particular to a polyester release film for an optical film and a preparation method thereof.
Background
Modern optical films have been widely used in the fields of optics and optoelectronics to manufacture various optical instruments, and the optical films are characterized by: the surface is smooth, and the interface between the film layers is in geometric segmentation; the refractive index of the film layer may jump at the interface, but is continuous within the film layer; can be a transparent medium or an absorption medium; may be normal uniform or normal non-uniform. The actual film used is much more complex than the ideal film. This is because: when prepared, the optical and physical properties of the film deviate from those of bulk materials, the surface and interfaces of which are rough, resulting in diffuse scattering of the light beam; the mutual permeation between the film layers forms a diffusion interface; due to the growth, structure, stress and the like of the film layer, the anisotropy of the film is formed; the film layer has a complex time effect.
The optical film is divided into a reflecting film, an antireflection film, a light filtering film, an optical protective film, a polarizing film, a light splitting film and a phase film according to the application. The first 4 are commonly used. Optical reflective films are used to increase specular reflectivity and are commonly used to make reflective, refractive and resonant cavity devices. The optical antireflection film is deposited on the surface of the optical element to reduce surface reflection and increase optical system transmission, and is also called an antireflection film. The optical filter is used for splitting spectrum or other optical properties, and has various types and complex structures. The optical protective film is deposited on the surface of metal or other soft erodible materials or films to increase the strength or stability of the films and improve the optical properties. Most commonly a protective film of a metallic mirror surface.
In the production of a conventional polyester release film for an optical film, oxygen in the air generally inhibits the curing of the film surface, and the film becomes sticky. Therefore, the technical personnel in the field provide a polyester release film for optical film and a preparation method thereof, so as to solve the problems in the background technology.
Disclosure of Invention
The invention aims to provide a polyester release film for an optical film and a preparation method thereof, so as to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
the polyester release film comprises a release film layer and a polyester film layer, wherein the release film layer is arranged on one surface of the polyester film layer, and the release film layer is composed of the following raw materials in parts by weight: 10-15 parts of dihydric alcohol, 10-15 parts of isophthalic acid, 10-15 parts of oxalic acid, 1-5 parts of a cross-linking agent, 1-5 parts of an additive, 1-5 parts of a polymerization inhibitor, 1-5 parts of a catalyst, 1-5 parts of an accelerator, 1-5 parts of a dye, 1-5 parts of a lubricant and 1-2 parts of wax.
As a further scheme of the invention: the dihydric alcohol is any one of phthalic anhydride, propylene glycol, diethylene glycol or dipropylene glycol.
As a still further scheme of the invention: the cross-linking agent is any one of styrene, methyl methacrylate or diallyl phthalate.
As a still further scheme of the invention: the additive is platinum carbon, and the polymerization inhibitor is a phenol polymerization inhibitor.
As a still further scheme of the invention: the catalyst is a toluene solvent containing 5% of chloroplatinic acid by mass, and the accelerator is a polyester resin accelerator.
As a still further scheme of the invention: the lubricant is dimethyl silicone oil, and the dye is zinc powder.
A preparation method of a polyester release film for an optical film comprises the following steps:
s1: adding dihydric alcohol, isophthalic acid and oxalic acid into a container, mixing and stirring, and standing for later use after stirring;
s2: adding a cross-linking agent into the mixed container, mixing and stirring again, adding an additive, a polymerization inhibitor, a catalyst and an accelerant after stirring for 5min, and uniformly stirring;
s3: adding a dye into the container which is uniformly stirred, and uniformly stirring to obtain a colored mixture;
s4: adding a lubricant and wax into the colored mixture, uniformly stirring again, standing for 10min, and filtering the mixture in the container through filter cloth to obtain a mixed raw material of the release film layer;
s5: uniformly coating the obtained mixed raw materials on a polyester film to obtain a polyester film layer;
s6: and (3) attaching the obtained polyester film layer and the release film layer, and baking and curing to obtain a finished polyester release film.
As a still further scheme of the invention: the stirring speed in the S1 is 200-500r/min, and the standing time is 10-20 min.
As a still further scheme of the invention: the stirring speed in S2 is 400-700r/min, and the stirring speed in S3 is 500-1000 r/min.
As a still further scheme of the invention: the stirring speed in the S4 is 700-1200r/min, the baking temperature in the S5 is 60-80 ℃, and the baking time in the S5 is 5-10 min.
Compared with the prior art, the invention has the beneficial effects that:
the invention can dissolve unsaturated polyester resin, and make the double bonds of the unsaturated polyester resin generate copolymerization reaction to obtain a body-shaped product, so as to improve the performance of the cured resin, and simultaneously, a small amount of wax is added into the raw material, so that a film is formed on the surface of a coating film, air is isolated to promote surface curing, the product quality of the polyester release film is improved, and the use of people is facilitated.
Drawings
FIG. 1 is a flow chart of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. 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.
Embodiment 1, a polyester is from type membrane for optical film piece, polyester is from type membrane and is included from type rete and polyester film layer, sets up in the one side of polyester film layer from type rete, is from type rete to comprise the raw materials of following parts by weight: 10 parts of dihydric alcohol, 10 parts of isophthalic acid, 10 parts of oxalic acid, 5 parts of a cross-linking agent, 5 parts of an additive, 5 parts of a polymerization inhibitor, 5 parts of a catalyst, 5 parts of an accelerant, 5 parts of a dye, 5 parts of a lubricant and 1 part of wax.
A preparation method of a polyester release film for an optical film comprises the following steps: s1: adding dihydric alcohol, isophthalic acid and oxalic acid into a container, mixing and stirring, and standing for later use after stirring; s2: adding a cross-linking agent into the mixed container, mixing and stirring again, adding an additive, a polymerization inhibitor, a catalyst and an accelerant after stirring for 5min, and uniformly stirring; s3: adding a dye into the container which is uniformly stirred, and uniformly stirring to obtain a colored mixture; s4: adding a lubricant and wax into the colored mixture, uniformly stirring again, standing for 10min, and filtering the mixture in the container through filter cloth to obtain a mixed raw material of the release film layer; s5: uniformly coating the obtained mixed raw materials on a polyester film to obtain a polyester film layer; s6: and (3) attaching the obtained polyester film layer and the release film layer, and baking and curing to obtain a finished polyester release film.
Embodiment 2, a polyester is from type membrane for optical film piece, polyester is from type membrane and is included from type rete and polyester film layer, sets up in the one side of polyester film layer from type rete, is from type rete to comprise the raw materials of following parts by weight: 15 parts of dihydric alcohol, 11 parts of isophthalic acid, 10 parts of oxalic acid, 5 parts of a cross-linking agent, 1 part of an additive, 1 part of a polymerization inhibitor, 1 part of a catalyst, 1 part of an accelerator, 1 part of a dye, 1 part of a lubricant and 1 part of wax, wherein the dihydric alcohol is any one of collaphthalene anhydride, propylene glycol, diethylene glycol or dipropylene glycol.
A preparation method of a polyester release film for an optical film comprises the following steps: s1: adding dihydric alcohol, isophthalic acid and oxalic acid into a container, mixing and stirring, and standing for later use after stirring; in S1, the stirring speed is 200-500r/min, and the standing time is 10-20 min; s2: adding a cross-linking agent into the mixed container, mixing and stirring again, adding an additive, a polymerization inhibitor, a catalyst and an accelerant after stirring for 5min, and uniformly stirring; s3: adding a dye into the container which is uniformly stirred, and uniformly stirring to obtain a colored mixture; s4: adding a lubricant and wax into the colored mixture, uniformly stirring again, standing for 10min, and filtering the mixture in the container through filter cloth to obtain a mixed raw material of the release film layer;
s5: uniformly coating the obtained mixed raw materials on a polyester film to obtain a polyester film layer; s6: and (3) attaching the obtained polyester film layer and the release film layer, and baking and curing to obtain a finished polyester release film.
Embodiment 3, a polyester is from type membrane for optical film piece, polyester is from type membrane and is included from type rete and polyester film layer, sets up in the one side of polyester film layer from type rete, is from type rete to comprise the raw materials of following parts by weight: 15 parts of dihydric alcohol, 10 parts of isophthalic acid, 10 parts of oxalic acid, 5 parts of a cross-linking agent, 5 parts of an additive, 5 parts of a polymerization inhibitor, 5 parts of a catalyst, 5 parts of an accelerator, 5 parts of a dye, 5 parts of a lubricant and 2 parts of wax, wherein the dihydric alcohol is any one of collaretryphthalic anhydride, propylene glycol, diethylene glycol or dipropylene glycol, and the cross-linking agent is any one of styrene, methyl methacrylate or diallyl collarette.
A preparation method of a polyester release film for an optical film comprises the following steps: s1: adding dihydric alcohol, isophthalic acid and oxalic acid into a container, mixing and stirring, and standing for later use after stirring; in S1, the stirring speed is 200-500r/min, and the standing time is 10-20 min; s2: adding a cross-linking agent into the mixed container, mixing and stirring again, adding an additive, a polymerization inhibitor, a catalyst and an accelerant after stirring for 5min, and uniformly stirring; the stirring speed in S2 is 400-700r/min, and the stirring speed in S3 is 500-1000 r/min; s3: adding a dye into the container which is uniformly stirred, and uniformly stirring to obtain a colored mixture; s4: adding a lubricant and wax into the colored mixture, uniformly stirring again, standing for 10min, and filtering the mixture in the container through filter cloth to obtain a mixed raw material of the release film layer; s5: uniformly coating the obtained mixed raw materials on a polyester film to obtain a polyester film layer; s6: and (3) attaching the obtained polyester film layer and the release film layer, and baking and curing to obtain a finished polyester release film.
Embodiment 4, a polyester is from type membrane for optical film piece, polyester is from type membrane and is included from type rete and polyester film layer, sets up in the one side of polyester film layer from type rete, is from type rete to comprise the raw materials of following parts by weight: 14 parts of dihydric alcohol, 12 parts of isophthalic acid, 10 parts of oxalic acid, 4 parts of a cross-linking agent, 4 parts of an additive, 4 parts of a polymerization inhibitor, 4 parts of a catalyst, 4 parts of an accelerator, 4 parts of a dye, 4 parts of a lubricant and 2 parts of wax, wherein the dihydric alcohol is any one of collaretryphthalic anhydride, propylene glycol, diethylene glycol or dipropylene glycol, the cross-linking agent is any one of styrene, methyl methacrylate or diallyl collaretryphthalate, the additive is platinum carbon, and the polymerization inhibitor is a phenol polymerization inhibitor.
A preparation method of a polyester release film for an optical film comprises the following steps: s1: adding dihydric alcohol, isophthalic acid and oxalic acid into a container, mixing and stirring, and standing for later use after stirring; in S1, the stirring speed is 200-500r/min, and the standing time is 10-20 min; s2: adding a cross-linking agent into the mixed container, mixing and stirring again, adding an additive, a polymerization inhibitor, a catalyst and an accelerant after stirring for 5min, and uniformly stirring; the stirring speed in S2 is 400-700r/min, and the stirring speed in S3 is 500-1000 r/min; s3: adding a dye into the container which is uniformly stirred, and uniformly stirring to obtain a colored mixture; s4: adding a lubricant and wax into the colored mixture, uniformly stirring again, standing for 10min, and filtering the mixture in the container through filter cloth to obtain a mixed raw material of the release film layer; the stirring speed in S4 is 700-1200r/min, the baking temperature in S5 is 60-80 ℃, and the baking time in S5 is 5-10 min; s5: uniformly coating the obtained mixed raw materials on a polyester film to obtain a polyester film layer; s6: and (3) attaching the obtained polyester film layer and the release film layer, and baking and curing to obtain a finished polyester release film.
Embodiment 5, a polyester is from type membrane for optical film piece, polyester is from type membrane and is included from type rete and polyester film layer, sets up in the one side of polyester film layer from type rete, is from type rete to comprise the raw materials of following parts by weight: 13 parts of dihydric alcohol, 10 parts of isophthalic acid, 11 parts of oxalic acid, 3 parts of a cross-linking agent, 2 parts of an additive, 2 parts of a polymerization inhibitor, 1 part of a catalyst, 1 part of an accelerant, 2 parts of a dye, 5 parts of a lubricant and 2 parts of wax, wherein the dihydric alcohol is any one of collarette, propylene glycol, diethylene glycol or dipropylene glycol, the cross-linking agent is any one of styrene, methyl methacrylate or diallyl collarette, the additive is platinum carbon, the polymerization inhibitor is a phenol polymerization inhibitor, the catalyst is a toluene solvent containing 5 mass percent of chloroplatinic acid, the accelerant is a polyester resin accelerant, the lubricant is simethicone, and the dye is zinc powder.
A preparation method of a polyester release film for an optical film comprises the following steps: s1: adding dihydric alcohol, isophthalic acid and oxalic acid into a container, mixing and stirring, and standing for later use after stirring; in S1, the stirring speed is 200-500r/min, and the standing time is 10-20 min; s2: adding a cross-linking agent into the mixed container, mixing and stirring again, adding an additive, a polymerization inhibitor, a catalyst and an accelerant after stirring for 5min, and uniformly stirring; the stirring speed in S2 is 400-700r/min, and the stirring speed in S3 is 500-1000 r/min; s3: adding a dye into the container which is uniformly stirred, and uniformly stirring to obtain a colored mixture; s4: adding a lubricant and wax into the colored mixture, uniformly stirring again, standing for 10min, and filtering the mixture in the container through filter cloth to obtain a mixed raw material of the release film layer; the stirring speed in S4 is 700-1200r/min, the baking temperature in S5 is 60-80 ℃, and the baking time in S5 is 5-10 min; s5: uniformly coating the obtained mixed raw materials on a polyester film to obtain a polyester film layer; s6: and (3) attaching the obtained polyester film layer and the release film layer, and baking and curing to obtain a finished polyester release film.
Embodiment 6, a polyester is from type membrane for optical film piece, polyester is from type membrane and is included from type rete and polyester film layer, sets up in the one side of polyester film layer from type rete, is from type rete to comprise the raw materials of following parts by weight: 11 parts of dihydric alcohol, 11 parts of isophthalic acid, 10 parts of oxalic acid, 1-5 parts of a cross-linking agent, 2 parts of an additive, 2 parts of a polymerization inhibitor, 1 part of a catalyst, 5 parts of an accelerant, 5 parts of a dye, 3 parts of a lubricant and 1 part of wax, wherein the dihydric alcohol is any one of phthalic anhydride, propylene glycol, diethylene glycol or dipropylene glycol, the cross-linking agent is any one of styrene, methyl methacrylate or diallyl phthalate, the additive is platinum carbon, the polymerization inhibitor is a phenol polymerization inhibitor, the catalyst is a toluene solvent containing 5 mass percent of chloroplatinic acid, the accelerant is a polyester resin accelerant, the lubricant is simethicone, and the dye is zinc powder.
A preparation method of a polyester release film for an optical film comprises the following steps: s1: adding dihydric alcohol, isophthalic acid and oxalic acid into a container, mixing and stirring, and standing for later use after stirring; in S1, the stirring speed is 200-500r/min, and the standing time is 10-20 min; s2: adding a cross-linking agent into the mixed container, mixing and stirring again, adding an additive, a polymerization inhibitor, a catalyst and an accelerant after stirring for 5min, and uniformly stirring; the stirring speed in S2 is 400-700r/min, and the stirring speed in S3 is 500-1000 r/min; s3: adding a dye into the container which is uniformly stirred, and uniformly stirring to obtain a colored mixture; s4: adding a lubricant and wax into the colored mixture, uniformly stirring again, standing for 10min, and filtering the mixture in the container through filter cloth to obtain a mixed raw material of the release film layer; the stirring speed in S4 is 700-1200r/min, the baking temperature in S5 is 60-80 ℃, and the baking time in S5 is 5-10 min; s5: uniformly coating the obtained mixed raw materials on a polyester film to obtain a polyester film layer; s6: and (3) attaching the obtained polyester film layer and the release film layer, and baking and curing to obtain a finished polyester release film.
Embodiment 7, a polyester is from type membrane for optical film piece, polyester is from type membrane and is included from type rete and polyester film layer, sets up in the one side of polyester film layer from type rete, is from type rete to comprise the raw materials of following parts by weight: 10 parts of dihydric alcohol, 15 parts of isophthalic acid, 15 parts of oxalic acid, 5 parts of a cross-linking agent, 1 part of an additive, 1 part of a polymerization inhibitor, 2 parts of a catalyst, 3 parts of an accelerant, 5 parts of a dye, 5 parts of a lubricant and 2 parts of wax, wherein the dihydric alcohol is any one of collarette, propylene glycol, diethylene glycol or dipropylene glycol, the cross-linking agent is any one of styrene, methyl methacrylate or diallyl collarette, the additive is platinum carbon, the polymerization inhibitor is a phenol polymerization inhibitor, the catalyst is a toluene solvent containing 5 mass percent of chloroplatinic acid, the accelerant is a polyester resin accelerant, the lubricant is simethicone, and the dye is zinc powder.
A preparation method of a polyester release film for an optical film comprises the following steps: s1: adding dihydric alcohol, isophthalic acid and oxalic acid into a container, mixing and stirring, and standing for later use after stirring; in S1, the stirring speed is 200-500r/min, and the standing time is 10-20 min; s2: adding a cross-linking agent into the mixed container, mixing and stirring again, adding an additive, a polymerization inhibitor, a catalyst and an accelerant after stirring for 5min, and uniformly stirring; the stirring speed in S2 is 400-700r/min, and the stirring speed in S3 is 500-1000 r/min; s3: adding a dye into the container which is uniformly stirred, and uniformly stirring to obtain a colored mixture; s4: adding a lubricant and wax into the colored mixture, uniformly stirring again, standing for 10min, and filtering the mixture in the container through filter cloth to obtain a mixed raw material of the release film layer; the stirring speed in S4 is 700-1200r/min, the baking temperature in S5 is 60-80 ℃, and the baking time in S5 is 5-10 min; s5: uniformly coating the obtained mixed raw materials on a polyester film to obtain a polyester film layer; s6: and (3) attaching the obtained polyester film layer and the release film layer, and baking and curing to obtain a finished polyester release film.
Embodiment 8, a polyester is from type membrane for optical film piece, polyester is from type membrane and is included from type rete and polyester film layer, sets up in the one side of polyester film layer from type rete, is from type rete to comprise the raw materials of following parts by weight: 15 parts of dihydric alcohol, 10 parts of isophthalic acid, 15 parts of oxalic acid, 1-5 parts of a cross-linking agent, 4 parts of an additive, 2 parts of a polymerization inhibitor, 2 parts of a catalyst, 2 parts of an accelerant, 1 part of a dye, 1 part of a lubricant and 1 part of wax, wherein the dihydric alcohol is any one of phthalic anhydride, propylene glycol, diethylene glycol or dipropylene glycol, the cross-linking agent is any one of styrene, methyl methacrylate or diallyl phthalate, the additive is platinum carbon, the polymerization inhibitor is a phenol polymerization inhibitor, the catalyst is a toluene solvent containing 5 mass percent of chloroplatinic acid, the accelerant is a polyester resin accelerant, the lubricant is simethicone, and the dye is zinc powder.
A preparation method of a polyester release film for an optical film comprises the following steps: s1: adding dihydric alcohol, isophthalic acid and oxalic acid into a container, mixing and stirring, and standing for later use after stirring; in S1, the stirring speed is 200-500r/min, and the standing time is 10-20 min; s2: adding a cross-linking agent into the mixed container, mixing and stirring again, adding an additive, a polymerization inhibitor, a catalyst and an accelerant after stirring for 5min, and uniformly stirring; the stirring speed in S2 is 400-700r/min, and the stirring speed in S3 is 500-1000 r/min; s3: adding a dye into the container which is uniformly stirred, and uniformly stirring to obtain a colored mixture; s4: adding a lubricant and wax into the colored mixture, uniformly stirring again, standing for 10min, and filtering the mixture in the container through filter cloth to obtain a mixed raw material of the release film layer; the stirring speed in S4 is 700-1200r/min, the baking temperature in S5 is 60-80 ℃, and the baking time in S5 is 5-10 min; s5: uniformly coating the obtained mixed raw materials on a polyester film to obtain a polyester film layer; s6: and (3) attaching the obtained polyester film layer and the release film layer, and baking and curing to obtain a finished polyester release film.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (10)
1. The polyester release film for the optical film is characterized in that: the polyester release film comprises a release film layer and a polyester film layer, wherein the release film layer is arranged on one surface of the polyester film layer and is composed of the following raw materials in parts by weight: 10-15 parts of dihydric alcohol, 10-15 parts of isophthalic acid, 10-15 parts of oxalic acid, 1-5 parts of a cross-linking agent, 1-5 parts of an additive, 1-5 parts of a polymerization inhibitor, 1-5 parts of a catalyst, 1-5 parts of an accelerator, 1-5 parts of a dye, 1-5 parts of a lubricant and 1-2 parts of wax.
2. The polyester release film for optical film and the preparation method thereof according to claim 1, wherein the polyester release film comprises: the dihydric alcohol is any one of phthalic anhydride, propylene glycol, diethylene glycol or dipropylene glycol.
3. The polyester release film for optical film and the preparation method thereof according to claim 1, wherein the polyester release film comprises: the cross-linking agent is any one of styrene, methyl methacrylate or diallyl phthalate.
4. The polyester release film for optical film and the preparation method thereof according to claim 1, wherein the polyester release film comprises: the additive is platinum carbon, and the polymerization inhibitor is a phenol polymerization inhibitor.
5. The polyester release film for optical film and the preparation method thereof according to claim 1, wherein the polyester release film comprises: the catalyst is a toluene solvent containing 5% of chloroplatinic acid by mass, and the accelerator is a polyester resin accelerator.
6. The polyester release film for optical film and the preparation method thereof according to claim 1, wherein the polyester release film comprises: the lubricant is dimethyl silicone oil, and the dye is zinc powder.
7. A preparation method of a polyester release film for an optical film is characterized by comprising the following steps: the method comprises the following steps:
s1: adding dihydric alcohol, isophthalic acid and oxalic acid into a container, mixing and stirring, and standing for later use after stirring;
s2: adding a cross-linking agent into the mixed container, mixing and stirring again, adding an additive, a polymerization inhibitor, a catalyst and an accelerant after stirring for 5min, and uniformly stirring;
s3: adding a dye into the container which is uniformly stirred, and uniformly stirring to obtain a colored mixture;
s4: adding a lubricant and wax into the colored mixture, uniformly stirring again, standing for 10min, and filtering the mixture in the container through filter cloth to obtain a mixed raw material of the release film layer;
s5: uniformly coating the obtained mixed raw materials on a polyester film to obtain a polyester film layer;
s6: and (3) attaching the obtained polyester film layer and the release film layer, and baking and curing to obtain a finished polyester release film.
8. The method for preparing the polyester release film for the optical film according to claim 7, wherein the method comprises the following steps: the stirring speed in the S1 is 200-500r/min, and the standing time is 10-20 min.
9. The method for preparing the polyester release film for the optical film according to claim 7, wherein the method comprises the following steps: the stirring speed in S2 is 400-700r/min, and the stirring speed in S3 is 500-1000 r/min.
10. The method for preparing the polyester release film for the optical film according to claim 7, wherein the method comprises the following steps: the stirring speed in the S4 is 700-1200r/min, the baking temperature in the S5 is 60-80 ℃, and the baking time in the S5 is 5-10 min.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110384362.5A CN113150351A (en) | 2021-04-09 | 2021-04-09 | Polyester release film for optical film and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110384362.5A CN113150351A (en) | 2021-04-09 | 2021-04-09 | Polyester release film for optical film and preparation method thereof |
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| CN113150351A true CN113150351A (en) | 2021-07-23 |
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| CN202110384362.5A Pending CN113150351A (en) | 2021-04-09 | 2021-04-09 | Polyester release film for optical film and preparation method thereof |
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| CN (1) | CN113150351A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103320036A (en) * | 2013-06-17 | 2013-09-25 | 昆山韩保胶带科技有限公司 | Biodegradable double-sided adhesive tape |
| CN104592908A (en) * | 2014-12-26 | 2015-05-06 | 东莞市纳利光学材料有限公司 | Preparation method and application of protective film in full lamination with mobile terminal |
| CN106589338A (en) * | 2016-12-12 | 2017-04-26 | 衡阳山泰化工有限公司 | Unsaturated polyester resin used for coating and preparing method thereof |
| CN106967281A (en) * | 2016-01-14 | 2017-07-21 | 浙江龙鑫化工有限公司 | Unsaturated polyester resin |
| CN112358577A (en) * | 2021-01-06 | 2021-02-12 | 湖北旺林新材料科技有限公司 | Modified quartz stone resin and preparation method and application thereof |
-
2021
- 2021-04-09 CN CN202110384362.5A patent/CN113150351A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103320036A (en) * | 2013-06-17 | 2013-09-25 | 昆山韩保胶带科技有限公司 | Biodegradable double-sided adhesive tape |
| CN104592908A (en) * | 2014-12-26 | 2015-05-06 | 东莞市纳利光学材料有限公司 | Preparation method and application of protective film in full lamination with mobile terminal |
| CN106967281A (en) * | 2016-01-14 | 2017-07-21 | 浙江龙鑫化工有限公司 | Unsaturated polyester resin |
| CN106589338A (en) * | 2016-12-12 | 2017-04-26 | 衡阳山泰化工有限公司 | Unsaturated polyester resin used for coating and preparing method thereof |
| CN112358577A (en) * | 2021-01-06 | 2021-02-12 | 湖北旺林新材料科技有限公司 | Modified quartz stone resin and preparation method and application thereof |
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