CN113250007A - Low-peeling-force high-temperature-resistant release paper and processing technology thereof - Google Patents
Low-peeling-force high-temperature-resistant release paper and processing technology thereof Download PDFInfo
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- CN113250007A CN113250007A CN202110489950.5A CN202110489950A CN113250007A CN 113250007 A CN113250007 A CN 113250007A CN 202110489950 A CN202110489950 A CN 202110489950A CN 113250007 A CN113250007 A CN 113250007A
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- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H27/00—Special paper not otherwise provided for, e.g. made by multi-step processes
- D21H27/001—Release paper
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31F—MECHANICAL WORKING OR DEFORMATION OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31F1/00—Mechanical deformation without removing material, e.g. in combination with laminating
- B31F1/07—Embossing, i.e. producing impressions formed by locally deep-drawing, e.g. using rolls provided with complementary profiles
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J7/00—Adhesives in the form of films or foils
- C09J7/40—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
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- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H19/00—Coated paper; Coating material
- D21H19/10—Coatings without pigments
- D21H19/14—Coatings without pigments applied in a form other than the aqueous solution defined in group D21H19/12
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H19/00—Coated paper; Coating material
- D21H19/10—Coatings without pigments
- D21H19/14—Coatings without pigments applied in a form other than the aqueous solution defined in group D21H19/12
- D21H19/18—Coatings without pigments applied in a form other than the aqueous solution defined in group D21H19/12 comprising waxes
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H19/00—Coated paper; Coating material
- D21H19/10—Coatings without pigments
- D21H19/14—Coatings without pigments applied in a form other than the aqueous solution defined in group D21H19/12
- D21H19/20—Coatings without pigments applied in a form other than the aqueous solution defined in group D21H19/12 comprising macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D21H19/22—Polyalkenes, e.g. polystyrene
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H19/00—Coated paper; Coating material
- D21H19/10—Coatings without pigments
- D21H19/14—Coatings without pigments applied in a form other than the aqueous solution defined in group D21H19/12
- D21H19/24—Coatings without pigments applied in a form other than the aqueous solution defined in group D21H19/12 comprising macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- D21H19/30—Polyamides; Polyimides
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- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H19/00—Coated paper; Coating material
- D21H19/80—Paper comprising more than one coating
- D21H19/84—Paper comprising more than one coating on both sides of the substrate
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H21/00—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties
- D21H21/14—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties characterised by function or properties in or on the paper
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H21/00—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties
- D21H21/14—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties characterised by function or properties in or on the paper
- D21H21/36—Biocidal agents, e.g. fungicidal, bactericidal, insecticidal agents
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- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H21/00—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties
- D21H21/14—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties characterised by function or properties in or on the paper
- D21H21/38—Corrosion-inhibiting agents or anti-oxidants
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- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H23/00—Processes or apparatus for adding material to the pulp or to the paper
- D21H23/02—Processes or apparatus for adding material to the pulp or to the paper characterised by the manner in which substances are added
- D21H23/22—Addition to the formed paper
- D21H23/46—Pouring or allowing the fluid to flow in a continuous stream on to the surface, the entire stream being carried away by the paper
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- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H25/00—After-treatment of paper not provided for in groups D21H17/00 - D21H23/00
- D21H25/005—Mechanical treatment
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H25/00—After-treatment of paper not provided for in groups D21H17/00 - D21H23/00
- D21H25/04—Physical treatment, e.g. heating, irradiating
Abstract
The invention provides low-peeling-force high-temperature-resistant release paper, which comprises a laminating film layer, a raw paper layer, an adhesive layer, a high-temperature-resistant thin film layer, an antistatic layer, a silicone oil paper layer and a release film layer; the laminated film layer and the adhesive layer are respectively arranged on the two side surfaces of the raw paper layer, the upper surface of the adhesive layer is sequentially provided with a high-temperature-resistant film layer, an antistatic layer, a silicone oil paper layer and a release film layer, and the laminated film layer is a low-emission PE laminated film layer and has the advantages of low emission smell, low TVOC volatilization and better ductility; the high-temperature resistant auxiliary agent and the high-temperature resistant reinforcing agent are added into the high-temperature resistant film layer, so that the release paper has very strong high-temperature resistance, and meanwhile, the antistatic layer is added, so that the release paper has very strong high-temperature resistance and very strong antistatic capability; the grid lines pressed after the silicone oil paper layer is coated enable the release paper to be not easy to wrinkle after the release agent is coated and dried, the fitting degree is higher, and the stripping force can be effectively reduced to be less than 3 g.
Description
Technical Field
The invention belongs to the technical field of release paper, and particularly relates to low-peeling-force high-temperature-resistant release paper and a processing technology thereof.
Background
The release paper is anti-sticking paper which can prevent the adhesion of the prepreg and can also protect the prepreg from being polluted; the adhesive layer is mainly used for being stuck on the surface of the adhesive tape and protecting the surface of the adhesive tape. Release paper has been widely used in advertising, printing, packaging, electronics and other industries because of its advantages of moisture resistance, oil resistance, good isolation effect and the like. The high-temperature resistant release paper can be used for manufacturing synthetic leather and artificial leather with different temperature requirements, the high-temperature resistant release paper is researched very early in China, and the high-temperature resistant release paper can resist the high temperature of 200 ℃ at present, but the high-temperature resistant release paper has the defects of poor performances in other aspects, such as lack of an electrostatic function, insufficient tensile strength, insufficient toughness and insufficient comprehensive performance.
Furthermore, the high-temperature resistant release paper in the prior art is difficult to peel off from the pasted surface of the pasted product after being pasted. The reason is that the coating layer of the release agent has poor adhesive force with the coating layer of the laminating film due to high flatness of the laminating film. Especially under the attached condition of the pad pasting of leaving type paper and coating with the high viscosity adhesive, take away by the bigger adhesive in a large number of the release agent coating on the type paper, even release agent coating and the separation of type paper body can form the release agent coating region that is difficult to clear up on the local surface of pad pasting like this to destroy the holistic purity of pad pasting and uniformity, influenced the effect of pad pasting.
Disclosure of Invention
The purpose of the invention is as follows: aiming at the technical problems in the prior art, the invention aims to provide a low-peeling-force high-temperature-resistant release paper and a processing technology thereof.
The technical scheme adopted by the invention is as follows: the low-peeling-force high-temperature-resistant release paper comprises a laminating film layer, a raw paper layer, an adhesive layer, a high-temperature-resistant film layer, an antistatic layer, a silicone oil paper layer and a release film layer; drench rete and gluing agent layer and set up respectively on the both sides surface of raw paper layer, gluing agent layer upper surface sets gradually high temperature resistant thin layer, antistatic layer, silicone oil paper layer and leaves the type rete, the raw paper is prepared by the component including following parts by weight: 80-90 parts of base paper wood pulp, 10-20 parts of polyethylene terephthalate and 5-10 parts of sorbitol, wherein the base paper wood pulp is softwood pulp and hardwood pulp; the PE shower film layer is low in diffusion.
Further, the release agent of the release film layer comprises the following raw materials in parts by weight: 3-6 parts of silicone oil, 1-2 parts of palladium calcium carbonate and 6-13 parts of palm oil.
Further, the adhesive layer: 25-40 parts of crosslinking polyacrylic resin, 25-40 parts of polyimide resin, 5-10 parts of acrylic epoxy resin and 0.5-1 part of organic silicon defoamer.
Further, the high-temperature resistant film layer is composed of PA66100 parts, antioxidant 1-3.5 parts, potassium stearate stabilizer 0.5-2 parts, paraffin 5-10 parts, calcium stearate 3-7 parts, epoxidized soybean oil 2-6 parts, polyethylene wax 0.1-1 part, high-temperature resistant auxiliary agent and phosphate aluminum powder.
Further, the high-temperature resistant auxiliary agent is one or two of nano silicon dioxide and nano calcium carbonate.
Further, the antistatic layer comprises the following raw materials in parts by weight: 32-45 parts of polymethyl methacrylate, 25-40 parts of acrylic epoxy resin, 5-8 parts of superfine metal powder, 15-20 parts of polythiophene, 5-8 parts of fatty alcohol-polyoxyethylene ether, 6-10 parts of isopropanol, 0.1-0.5 part of dispersing agent and 0.1-0.5 part of organic silicon defoaming agent.
Further, the particle size range of the superfine metal powder is 80 nm-200 nm; the superfine metal powder is one or two of metal aluminum and silver; the dispersant is one or more of fatty acid methyl ester sodium sulfonate and polyacrylamide.
Further, the low-emission PE curtain coating layer is prepared from the following components in parts by weight: 30-40 parts of PP, 6-12 parts of glass fiber, 1-2 parts of compatilizer, 2 parts of graphene master batch, 0.5-1 part of antibacterial agent and 0.05 part of antioxidant; the compatilizer is maleic anhydride grafted PP, and the graphene master batch is prepared from 90 wt% of hydrogen-conditioning copolymerized PP and 10 wt% of graphene; the antibacterial agent is nano zinc oxide; the antioxidant is one or two of a mixture of the antioxidant 1076 and the antioxidant 168, and the mixing ratio of the antioxidant 1076 to the antioxidant 168 is 1: 4.
a processing technology of low-peeling-force high-temperature-resistant release paper comprises the following steps: (1) cutting the dried base paper into a required size, and horizontally spreading the dried base paper; (2) spraying a film coating layer on the front surface of the dry base paper by using a film coating machine, and turning over the dry base paper after the film coating layer is dried; (3) coating an adhesive layer on the other surface of the dried paper sheet, and adding a high-temperature-resistant film layer on the surface of the adhesive layer; (4) coating an antistatic layer on the high-temperature resistant film layer, and then carrying out corona treatment; (5) coating a silicone oil paper layer on the surface of the antistatic layer, then carrying out rolling lamination and lamination by a grid pattern pressing roller, coating a release agent layer on the silicone oil paper layer after lamination, finally drying the release paper coated at 80-90 ℃ for 15-20s, and then drying at 30-50 ℃ for 1 min to obtain the low-peeling-force high-temperature-resistant release paper; (6) and (3) performance testing: and (4) carrying out performance test on the obtained low-peeling-force high-temperature-resistant release paper.
Further, the coating weight of the antistatic layer is between 0.3 and 0.5g/m 2; the coating weight of the release agent is 0.5-0.6 g/m 2.
The invention has the beneficial effects that:
according to the formula of the low-peeling-force high-temperature-resistant release paper, the laminating film layer and the adhesive layer are respectively arranged on the two side surfaces of the raw paper layer, the high-temperature-resistant thin film layer, the antistatic layer, the silicone oil paper layer and the release film layer are sequentially arranged on the upper surface of the adhesive layer, and the laminating film layer is a low-emission PE laminating film layer and has the advantages of low emission smell, low TVOC volatilization and better ductility; the high-temperature resistant auxiliary agent and the high-temperature resistant reinforcing agent are added into the high-temperature resistant film layer, so that the release paper has very strong high-temperature resistance, and meanwhile, the antistatic layer is added, so that the release paper has very strong high-temperature resistance and very strong antistatic capability; the mesh lines pressed after the silicone oil paper layer is coated enable release paper to be difficult to wrinkle after the release agent is coated and dried, the laminating degree is higher, the stripping force can be effectively reduced to be less than 3g, the practicability is stronger, and the production cost is effectively reduced. The low-peeling-force high-temperature-resistant release paper disclosed by the invention is simple in processing technology and easy to realize large-scale production.
Detailed Description
The invention will be further illustrated by the following specific examples, which are given for illustrative purposes only and are not intended to be limiting;
example 1:
a low-peeling-force high-temperature-resistant release paper comprises a laminating film layer, a raw paper layer, an adhesive layer, a high-temperature-resistant film layer, an antistatic layer, a silicone oil paper layer and a release film layer; drench rete and gluing agent layer and set up respectively on the both sides surface of raw paper layer, gluing agent layer upper surface sets gradually high temperature resistant thin layer, antistatic layer, silicone oil paper layer and leaves the type rete, and the raw paper is prepared by the component including following part by weight: 90 parts of base paper wood pulp, 10 parts of polyethylene terephthalate and 5 parts of sorbitol, wherein the base paper wood pulp is softwood pulp and hardwood pulp; the PE shower film layer is low in diffusion.
The release agent of the release film layer comprises the following raw materials in parts by weight: 3 parts by weight of silicone oil, 1 part by weight of palladium calcium carbonate and 13 parts by weight of palm oil.
Wherein, the adhesive layer: 40 parts of crosslinking polyacrylic resin, 25 parts of polyimide resin, 10 parts of acrylic epoxy resin and 1 part of organic silicon defoaming agent.
The high-temperature-resistant film layer comprises the following raw materials in parts by weight: PA66100 parts, antioxidant 1 part, potassium stearate stabilizer 2 parts, paraffin 5 parts, calcium stearate 5 parts, epoxidized soybean oil 3 parts, polyethylene wax 0.5 part, high temperature resistant auxiliary agent 8 parts and aluminum phosphate powder 4 parts.
Wherein the high-temperature resistant auxiliary agent is nano silicon dioxide and nano calcium carbonate in a weight ratio of 2: 1.
Wherein, the antistatic layer comprises the following raw materials in parts by weight: 35 parts of polymethyl methacrylate, 35 parts of acrylic epoxy resin, 8 parts of superfine metal powder, 15 parts of polythiophene, 5 parts of fatty alcohol-polyoxyethylene ether, 10 parts of isopropanol, 0.2 part of dispersing agent and 0.2 part of organic silicon defoaming agent.
Wherein the particle size range of the superfine metal powder is 80 nm-200 nm; the superfine metal powder is one or two of metal aluminum and silver; the dispersant is one or more of fatty acid methyl ester sodium sulfonate and polyacrylamide.
The low-emission PE curtain coating layer is prepared from the following components in parts by weight: 30 parts of PP (polypropylene), 12 parts of glass fiber, 1 part of compatilizer, 2 parts of graphene master batch, 1 part of antibacterial agent and 0.05 part of antioxidant; the compatilizer is maleic anhydride grafted PP, and the graphene master batch is prepared from 90 weight percent of hydrogen-conditioning copolymerized PP and 10 weight percent of graphene; the antibacterial agent is nano zinc oxide; the antioxidant is one or two of antioxidant 1076 and antioxidant 168, and the mixing ratio of antioxidant 1076 to antioxidant 168 is 1: 4.
a processing technology of low-peeling-force high-temperature-resistant release paper comprises the following steps: (1) cutting the dried base paper into a required size, and horizontally spreading the dried base paper; (2) spraying a film coating layer on the front surface of the dry base paper by using a film coating machine, and turning over the dry base paper after the film coating layer is dried; (3) coating an adhesive layer on the other surface of the dried paper sheet, and adding a high-temperature-resistant film layer on the surface of the adhesive layer; (4) coating an antistatic layer on the high-temperature resistant film layer, wherein the coating weight of the antistatic layer is between 0.3g/m 2; then carrying out corona treatment; (5) coating a silicone oil paper layer on the surface of the antistatic layer, then rolling and laminating by a grid pattern pressing roller, coating a release agent layer on the silicone oil paper layer after pasting, wherein the coating amount of the release agent is 0.5g/m2, finally drying the release paper coated for 15s at 80-90 ℃, and then drying for 1 min at 30-50 ℃ to obtain the high-temperature resistant release paper with low peeling force; (6) and (3) performance testing: and (4) carrying out performance test on the obtained low-peeling-force high-temperature-resistant release paper.
Example 2:
a low-peeling-force high-temperature-resistant release paper comprises a laminating film layer, a raw paper layer, an adhesive layer, a high-temperature-resistant film layer, an antistatic layer, a silicone oil paper layer and a release film layer; drench rete and gluing agent layer and set up respectively on the both sides surface of raw paper layer, gluing agent layer upper surface sets gradually high temperature resistant thin layer, antistatic layer, silicone oil paper layer and leaves the type rete, and the raw paper is prepared by the component including following part by weight: 80 parts of base paper wood pulp, 20 parts of polyethylene terephthalate and 10 parts of sorbitol, wherein the base paper wood pulp is softwood pulp and hardwood pulp; the PE shower film layer is low in diffusion.
The release agent of the release film layer comprises the following raw materials in parts by weight: 6 parts by weight of silicone oil, 2 parts by weight of palladium calcium carbonate and 9 parts by weight of palm oil.
Wherein, the adhesive layer: 30 parts of crosslinking polyacrylic resin, 30 parts of polyimide resin, 10 parts of acrylic epoxy resin and 1 part of organic silicon defoaming agent.
The high-temperature-resistant film layer is composed of PA66100 parts, antioxidant 2 parts, potassium stearate stabilizer 1.5 parts, paraffin 6 parts, calcium stearate 4 parts, epoxidized soybean oil 5 parts, polyethylene wax 0.1 part, high-temperature-resistant auxiliary agent 10 parts and aluminum phosphate powder 2 parts.
Wherein the high-temperature resistant auxiliary agent is nano silicon dioxide and nano calcium carbonate in a weight ratio of 1: 1.
Wherein, the antistatic layer comprises the following raw materials in parts by weight: 45 parts of polymethyl methacrylate, 25 parts of acrylic epoxy resin, 6 parts of superfine metal powder, 18 parts of polythiophene, 8 parts of fatty alcohol-polyoxyethylene ether, 8 parts of isopropanol, 0.4 part of dispersing agent and 0.3 part of organic silicon defoaming agent.
Wherein the particle size range of the superfine metal powder is 80 nm-200 nm; the superfine metal powder is one or two of metal aluminum and silver; the dispersant is one or more of fatty acid methyl ester sodium sulfonate and polyacrylamide.
The low-emission PE curtain coating layer is prepared from the following components in parts by weight: 40 parts of PP (polypropylene), 6 parts of glass fiber, 1 part of compatilizer, 2 parts of graphene master batch, 1 part of antibacterial agent and 0.05 part of antioxidant; the compatilizer is maleic anhydride grafted PP, and the graphene master batch is prepared from 90 weight percent of hydrogen-conditioning copolymerized PP and 10 weight percent of graphene; the antibacterial agent is nano zinc oxide; the antioxidant is one or two of antioxidant 1076 and antioxidant 168, and the mixing ratio of antioxidant 1076 to antioxidant 168 is 1: 4.
a processing technology of low-peeling-force high-temperature-resistant release paper comprises the following steps: (1) cutting the dried base paper into a required size, and horizontally spreading the dried base paper; (2) spraying a film coating layer on the front surface of the dry base paper by using a film coating machine, and turning over the dry base paper after the film coating layer is dried; (3) coating an adhesive layer on the other surface of the dried paper sheet, and adding a high-temperature-resistant film layer on the surface of the adhesive layer; (4) coating an antistatic layer on the high-temperature resistant film layer, wherein the coating weight of the antistatic layer is between 0.5g/m 2; then carrying out corona treatment; (5) coating a silicone oil paper layer on the surface of the antistatic layer, then rolling and laminating by a grid pattern pressing roller, coating a release agent layer on the silicone oil paper layer after pasting, wherein the coating amount of the release agent is 0.6g/m2, finally drying the release paper coated for 18s at 80-90 ℃, and then drying for 1 min at 30-50 ℃ to obtain the high-temperature resistant release paper with low peeling force; (6) and (3) performance testing: and (4) carrying out performance test on the obtained low-peeling-force high-temperature-resistant release paper.
Example 3:
a low-peeling-force high-temperature-resistant release paper comprises a laminating film layer, a raw paper layer, an adhesive layer, a high-temperature-resistant film layer, an antistatic layer, a silicone oil paper layer and a release film layer; drench rete and gluing agent layer and set up respectively on the both sides surface of raw paper layer, gluing agent layer upper surface sets gradually high temperature resistant thin layer, antistatic layer, silicone oil paper layer and leaves the type rete, and the raw paper is prepared by the component including following part by weight: 85 parts of base paper wood pulp, 15 parts of polyethylene terephthalate and 7 parts of sorbitol, wherein the base paper wood pulp is softwood pulp and hardwood pulp; the PE shower film layer is low in diffusion.
The release agent of the release film layer comprises the following raw materials in parts by weight: 5 parts by weight of silicone oil, 1 part by weight of palladium calcium carbonate and 11 parts by weight of palm oil.
Wherein, the adhesive layer: 25 parts of crosslinking polyacrylic resin, 40 parts of polyimide resin, 10 parts of acrylic epoxy resin and 1 part of organic silicon defoaming agent.
The high-temperature-resistant film layer is composed of PA66100 parts, antioxidant 3.5 parts, potassium stearate stabilizer 0.5 part, paraffin 6 parts, calcium stearate 4 parts, epoxidized soybean oil 4 parts, polyethylene wax 0.3 part, high-temperature-resistant auxiliary agent 12 parts and aluminum phosphate powder 5 parts.
Wherein the high-temperature resistant auxiliary agent is nano silicon dioxide and nano calcium carbonate, and the weight ratio is 3: 1.
Wherein, the antistatic layer comprises the following raw materials in parts by weight: 40 parts of polymethyl methacrylate, 30 parts of acrylic epoxy resin, 5 parts of superfine metal powder, 20 parts of polythiophene, 6 parts of fatty alcohol-polyoxyethylene ether, 6 parts of isopropanol, 0.5 part of dispersing agent and 0.4 part of organic silicon defoaming agent.
Wherein the particle size range of the superfine metal powder is 80 nm-200 nm; the superfine metal powder is one or two of metal aluminum and silver; the dispersant is one or more of fatty acid methyl ester sodium sulfonate and polyacrylamide.
The low-emission PE curtain coating layer is prepared from the following components in parts by weight: 35 parts of PP (polypropylene), 8 parts of glass fiber, 1 part of compatilizer, 2 parts of graphene master batch, 1 part of antibacterial agent and 0.05 part of antioxidant; the compatilizer is maleic anhydride grafted PP, and the graphene master batch is prepared from 90 weight percent of hydrogen-conditioning copolymerized PP and 10 weight percent of graphene; the antibacterial agent is nano zinc oxide; the antioxidant is one or two of antioxidant 1076 and antioxidant 168, and the mixing ratio of antioxidant 1076 to antioxidant 168 is 1: 4.
a processing technology of low-peeling-force high-temperature-resistant release paper comprises the following steps: (1) cutting the dried base paper into a required size, and horizontally spreading the dried base paper; (2) spraying a film coating layer on the front surface of the dry base paper by using a film coating machine, and turning over the dry base paper after the film coating layer is dried; (3) coating an adhesive layer on the other surface of the dried paper sheet, and adding a high-temperature-resistant film layer on the surface of the adhesive layer; (4) coating an antistatic layer on the high-temperature resistant thin film layer, wherein the coating weight of the antistatic layer is between 0.4g/m2, and then carrying out corona treatment; (5) coating a silicone oil paper layer on the surface of the antistatic layer, then rolling and laminating by a grid pattern pressing roller, coating a release agent layer on the silicone oil paper layer after pasting, wherein the coating amount of the release agent is 0.6g/m2, finally drying the release paper coated for 20s at 80-90 ℃, and then drying for 1 min at 30-50 ℃ to obtain the high-temperature resistant release paper with low peeling force; (6) and (3) performance testing: and (4) carrying out performance test on the obtained low-peeling-force high-temperature-resistant release paper.
Comparative example 1:
a low-peeling-force high-temperature-resistant release paper comprises a laminating film layer, a raw paper layer, an adhesive layer, a high-temperature-resistant film layer, an antistatic layer and a release film layer; drench rete and gluing agent layer and set up respectively on the both sides surface of raw paper layer, gluing agent layer upper surface sets gradually high temperature resistant thin layer, antistatic layer and leaves the type rete, and the body paper is prepared by the component including following part by weight: 80 parts of base paper wood pulp, 20 parts of polyethylene terephthalate and 10 parts of sorbitol, wherein the base paper wood pulp is softwood pulp and hardwood pulp; the PE shower film layer is low in diffusion.
The release agent of the release film layer comprises the following raw materials in parts by weight: 6 parts by weight of silicone oil, 2 parts by weight of palladium calcium carbonate and 9 parts by weight of palm oil.
Wherein, the adhesive layer: 25 parts of crosslinking polyacrylic resin, 40 parts of polyimide resin, 5 parts of acrylic epoxy resin and 0.5 part of organic silicon defoaming agent.
The high-temperature-resistant film layer is composed of PA66100 parts, antioxidant 2 parts, potassium stearate stabilizer 1.5 parts, paraffin 8 parts, calcium stearate 6 parts, epoxidized soybean oil 2 parts, polyethylene wax 1 part, high-temperature-resistant auxiliary agent 8 parts and aluminum phosphate powder 4 parts.
Wherein the high-temperature resistant auxiliary agent is nano silicon dioxide and nano calcium carbonate, and the weight ratio is 3: 1.
Wherein, the antistatic layer comprises the following raw materials in parts by weight: 340 parts of polymethyl methacrylate, 30 parts of acrylic epoxy resin, 8 parts of superfine metal powder, 18 parts of polythiophene, 8 parts of fatty alcohol-polyoxyethylene ether, 10 parts of isopropanol, 0.2 part of dispersing agent and 0.3 part of organic silicon defoaming agent.
Wherein the particle size range of the superfine metal powder is 80 nm-200 nm; the superfine metal powder is one or two of metal aluminum and silver; the dispersant is one or more of fatty acid methyl ester sodium sulfonate and polyacrylamide.
The low-emission PE curtain coating layer is prepared from the following components in parts by weight: 40 parts of PP (polypropylene), 6 parts of glass fiber, 1 part of compatilizer, 2 parts of graphene master batch, 1 part of antibacterial agent and 0.05 part of antioxidant; the compatilizer is maleic anhydride grafted PP, and the graphene master batch is prepared from 90 weight percent of hydrogen-conditioning copolymerized PP and 10 weight percent of graphene; the antibacterial agent is nano zinc oxide; the antioxidant is one or two of antioxidant 1076 and antioxidant 168, and the mixing ratio of antioxidant 1076 to antioxidant 168 is 1: 4.
a processing technology of low-peeling-force high-temperature-resistant release paper comprises the following steps: (1) cutting the dried base paper into a required size, and horizontally spreading the dried base paper; (2) spraying a film coating layer on the front surface of the dry base paper by using a film coating machine, and turning over the dry base paper after the film coating layer is dried; (3) coating an adhesive layer on the other surface of the dried paper sheet, and adding a high-temperature-resistant film layer on the surface of the adhesive layer; (4) coating an antistatic layer on the high-temperature resistant film layer, wherein the coating weight of the antistatic layer is between 0.5g/m2, and then carrying out corona treatment; (5) coating a layer of release agent on the surface of the antistatic layer, wherein the coating weight of the release agent is 0.6g/m2, finally drying the release paper coated at 80-90 ℃ for 15s, and then drying at 30-50 ℃ for 1 min to obtain the high-temperature resistant release paper with low peeling force; (6) and (3) performance testing: and (4) carrying out performance test on the obtained low-peeling-force high-temperature-resistant release paper.
Comparative example 2
A low-peeling-force high-temperature-resistant release paper comprises a laminating film layer, a raw paper layer, an adhesive layer, a high-temperature-resistant film layer, a silicone oil paper layer and a release film layer; the laminating film layer and the adhesive layer are respectively arranged on the surfaces of two sides of the raw paper layer, the upper surface of the adhesive layer is sequentially provided with a high-temperature-resistant film layer, a silicone oil paper layer and a release film layer, and the raw paper is prepared from the following components in parts by weight: 90 parts of base paper wood pulp, 10 parts of polyethylene terephthalate and 5 parts of sorbitol, wherein the base paper wood pulp is softwood pulp and hardwood pulp; the PE film layer is adopted as the film lamination layer.
The release agent of the release film layer comprises the following raw materials in parts by weight: 3 parts by weight of silicone oil, 1 part by weight of palladium calcium carbonate and 13 parts by weight of palm oil.
Wherein, the adhesive layer: 40 parts of crosslinking polyacrylic resin, 25 parts of polyimide resin, 5 parts of acrylic epoxy resin and 0.5 part of organic silicon defoaming agent.
The high-temperature-resistant film layer is composed of PA66100 parts, antioxidant 3.5 parts, potassium stearate stabilizer 1 part, paraffin 10 parts, calcium stearate 3 parts, epoxidized soybean oil 6 parts, polyethylene wax 0.5 part, high-temperature-resistant auxiliary agent 12 parts and aluminum phosphate powder 2 parts.
Wherein the high-temperature resistant auxiliary agent is nano silicon dioxide and nano calcium carbonate in a weight ratio of 2: 1.
A processing technology of low-peeling-force high-temperature-resistant release paper comprises the following steps: (1) cutting the dried base paper into a required size, and horizontally spreading the dried base paper; (2) spraying a film coating layer on the front surface of the dry base paper by using a film coating machine, and turning over the dry base paper after the film coating layer is dried; (3) coating an adhesive layer on the other surface of the dried paper sheet, and adding a high-temperature-resistant film layer on the surface of the adhesive layer; (4) coating a silicone oil paper layer on the high-temperature resistant film layer, then performing grid-structured press roll rolling and laminating, and coating a release agent on the silicone oil paper layer after laminating, wherein the coating weight of the release agent is 0.6g/m2(ii) a (5) Finally, the coated release paper is dried for 20s at the temperature of 80-90 ℃ and then dried for 1 min at the temperature of 30-50 DEG CThe high-temperature resistant release paper with low peeling force can be obtained; (6) and (3) performance testing: and (4) carrying out performance test on the obtained low-peeling-force high-temperature-resistant release paper.
Wherein the peel strength is tested according to the industry standard, and the obtained force value is tested at an angle of 180 degrees and a peeling speed of 300mm/min by a tensile machine at normal temperature, wherein the g/25mm is obtained. The results of the performance tests of examples 1-3 and comparative examples 1-2 described above are shown in Table 1.
TABLE 1 Performance test results of examples 1-3 and comparative examples 1-2
| Performance parameter | Example 1 | Example 2 | Example 3 | Comparative example 1 | Comparative example 2 |
| Tensile Strength (MPa) | 192 | 196 | 191 | 177 | 188 |
| Elongation at Break (%) | 10 | 12 | 11 | 13 | 15 |
| Melting temperature Range (. degree.C.) | 225～240 | 225～240 | 225～240 | 225～240 | 225～240 |
| Thermal shrinkage rate | 0.72 | 0.76 | 0.76 | 0.8 | 0.8 |
| Peel force (g/25mm) | 2.5 | 2.1 | 2.8 | 7.5 | 3.0 |
| Antistatic ability | Good effect | Is excellent in | Is excellent in | Good effect | Is free of |
The foregoing is only a preferred embodiment of the present invention, and it should be noted that modifications can be made by those skilled in the art without departing from the principle of the present invention, and these modifications should also be construed as the protection scope of the present invention.
Claims (10)
1. The utility model provides a high temperature resistant from type paper of low peel force which characterized in that: the low-peeling-force high-temperature-resistant release paper comprises a laminating layer, a raw paper layer, an adhesive layer, a high-temperature-resistant thin film layer, an antistatic layer, a silicone oil paper layer and a release film layer; drench rete and gluing agent layer and set up respectively on the both sides surface of raw paper layer, gluing agent layer upper surface sets gradually high temperature resistant thin layer, antistatic layer, silicone oil paper layer and leaves the type rete, the raw paper is prepared by the component including following parts by weight: 80-90 parts of base paper wood pulp, 10-20 parts of polyethylene terephthalate and 5-10 parts of sorbitol, wherein the base paper wood pulp is softwood pulp and hardwood pulp; the PE shower film layer is low in diffusion.
2. The low-peel-force high-temperature-resistant release paper according to claim 1, characterized in that: the release agent of the release film layer comprises the following raw materials in parts by weight: 3-6 parts of silicone oil, 1-2 parts of palladium calcium carbonate and 6-13 parts of palm oil.
3. The low-peel-force high-temperature-resistant release paper according to claim 1, characterized in that: the adhesive layer is as follows: 25-40 parts of crosslinking polyacrylic resin, 25-40 parts of polyimide resin, 5-10 parts of acrylic epoxy resin and 0.5-1 part of organic silicon defoamer.
4. The low-peel-force high-temperature-resistant release paper according to claim 1, characterized in that: the high-temperature resistant film layer is composed of PA66100 parts, antioxidant 1-3.5 parts, potassium stearate stabilizer 0.5-2 parts, paraffin 5-10 parts, calcium stearate 3-7 parts, epoxidized soybean oil 2-6 parts, polyethylene wax 0.1-1 part, high-temperature resistant auxiliary agent and aluminum phosphate powder.
5. The low-peel-force high-temperature-resistant release paper according to claim 4, characterized in that: the high-temperature resistant auxiliary agent is one or two of nano silicon dioxide and nano calcium carbonate.
6. The low-peel-force high-temperature-resistant release paper according to claim 1, characterized in that: the antistatic layer comprises the following raw materials in parts by weight: 32-45 parts of polymethyl methacrylate, 25-40 parts of acrylic epoxy resin, 5-8 parts of superfine metal powder, 15-20 parts of polythiophene, 5-8 parts of fatty alcohol-polyoxyethylene ether, 6-10 parts of isopropanol, 0.1-0.5 part of dispersing agent and 0.1-0.5 part of organic silicon defoaming agent.
7. The low-peel-force high-temperature-resistant release paper according to claim 6, characterized in that: the particle size range of the superfine metal powder is 80 nm-200 nm; the superfine metal powder is one or two of metal aluminum and silver; the dispersing agent is one or more of fatty acid methyl ester sodium sulfonate and polyacrylamide, and the organic silicon defoaming agent is polyether-siloxane copolymer.
8. The low-peel-force high-temperature-resistant release paper according to claim 1, characterized in that: the low-emission PE shower film layer is prepared from the following components in parts by weight: 30-40 parts of PP, 6-12 parts of glass fiber, 1-2 parts of compatilizer, 2 parts of graphene master batch, 0.5-1 part of antibacterial agent and 0.05 part of antioxidant; the compatilizer is maleic anhydride grafted PP, and the graphene master batch is prepared from 90 wt% of hydrogen-conditioning copolymerized PP and 10 wt% of graphene; the antibacterial agent is nano zinc oxide; the antioxidant is one or two of a mixture of the antioxidant 1076 and the antioxidant 168, and the mixing ratio of the antioxidant 1076 to the antioxidant 168 is 1: 4.
9. a processing technology of the low-peeling-force high-temperature-resistant release paper as claimed in any one of claims 1 to 8 is characterized in that: the method comprises the following steps: (1) cutting the dried base paper into a required size, and horizontally spreading the dried base paper; (2) spraying a film coating layer on the front surface of the dry base paper by using a film coating machine, and turning over the dry base paper after the film coating layer is dried; (3) coating an adhesive layer on the other surface of the dried paper sheet, and adding a high-temperature-resistant film layer on the surface of the adhesive layer; (4) coating an antistatic layer on the high-temperature resistant film layer, and then carrying out corona treatment; (5) coating a silicone oil paper layer on the surface of the antistatic layer, then carrying out rolling lamination and lamination by a grid pattern pressing roller, coating a release agent layer on the silicone oil paper layer after lamination, finally drying the release paper coated at 80-90 ℃ for 15-20s, and then drying at 30-50 ℃ for 1 min to obtain the low-peeling-force high-temperature-resistant release paper; (6) and (3) performance testing: and (4) carrying out performance test on the obtained low-peeling-force high-temperature-resistant release paper.
10. The processing technology of the low-peeling-force high-temperature-resistant release paper according to claim 9, is characterized in that: the coating weight of the antistatic layer is 0.3-0.5g/m2To (c) to (d); the coating weight of the release agent is 0.5-0.6 g/m2。
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