CN110713792A - Photosensitive coating and preparation method thereof - Google Patents

Photosensitive coating and preparation method thereof Download PDF

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Publication number
CN110713792A
CN110713792A CN201911177824.5A CN201911177824A CN110713792A CN 110713792 A CN110713792 A CN 110713792A CN 201911177824 A CN201911177824 A CN 201911177824A CN 110713792 A CN110713792 A CN 110713792A
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Prior art keywords
coating
photosensitive
environment
preparation
zinc ion
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Chinese (zh)
Inventor
罗德声
邝月辉
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Gaozhou Huafu Rubber Co Ltd
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Gaozhou Huafu Rubber Co Ltd
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Priority to CN201911177824.5A priority Critical patent/CN110713792A/en
Publication of CN110713792A publication Critical patent/CN110713792A/en
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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
    • 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
    • C09D133/00—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 only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Coating compositions based on derivatives of such polymers
    • C09D133/04—Homopolymers or copolymers of esters
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • 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
    • C09D5/14—Paints containing biocides, e.g. fungicides, insecticides or pesticides
    • 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
    • C09D7/48—Stabilisers against degradation by oxygen, light or heat
    • 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
    • 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
    • D21H19/36—Coatings with pigments
    • D21H19/38—Coatings with pigments characterised by the pigments
    • D21H19/40—Coatings with pigments characterised by the pigments siliceous, e.g. clays
    • 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
    • D21H19/36—Coatings with pigments
    • D21H19/44—Coatings with pigments characterised by the other ingredients, e.g. the binder or dispersing agent
    • D21H19/46—Non-macromolecular organic compounds
    • 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
    • D21H19/36—Coatings with pigments
    • D21H19/44—Coatings with pigments characterised by the other ingredients, e.g. the binder or dispersing agent
    • D21H19/56—Macromolecular organic compounds or oligomers thereof obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • D21H19/58—Polymers or oligomers of diolefins, aromatic vinyl monomers or unsaturated acids or derivatives thereof
    • 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
    • D21H19/36—Coatings with pigments
    • D21H19/44—Coatings with pigments characterised by the other ingredients, e.g. the binder or dispersing agent
    • D21H19/62—Macromolecular organic compounds or oligomers thereof obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • 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
    • D21H19/66—Coatings characterised by a special visual effect, e.g. patterned, textured
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00—Polymer mixtures characterised by other features
    • C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
    • C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00—Polymer mixtures characterised by other features
    • C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
    • C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend

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  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Wood Science & Technology (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Dispersion Chemistry (AREA)
  • Plant Pathology (AREA)
  • Inorganic Chemistry (AREA)
  • Paints Or Removers (AREA)

Abstract

The invention discloses a photosensitive coating and a preparation method thereof, wherein the coating formula is prepared from the following raw materials in parts by mass: 10-20% of polymethylphenyl silicone resin, 10-20% of polyethyl silicone resin, 5-10% of calcined kaolin, 5-10% of fumed silica, 10-20% of high-purity carboxyl zinc ion metal photosensitive effect powder, 10-20% of latex, 3-5% of auxiliary agent, 1-3% of environment-friendly bacteriostatic agent and the balance of solvent. The prepared composite coating has the advantages that as the high-purity carboxyl zinc ion metal photosensitive effect powder is added in the preparation method, the prepared composite coating has the photosensitive property; the prepared reflective coating is natural and environment-friendly and has no harmful substance residue due to the addition of the environment-friendly bacteriostatic agent in the preparation method. The product can be used in the coating for papermaking, so that the paper product has photosensitivity, and the special paper is used in some special light sensation fields.

Description

Photosensitive coating and preparation method thereof
Technical Field
The invention relates to a composite coating and a preparation method thereof, belonging to the field of fine chemical engineering.
Background
The photosensitive coating generally refers to a coating which does not change color or fall off under the irradiation of a fluorescent lamp or a strong light at normal temperature and can keep certain physical and mechanical properties so that an irradiated object can display silver color. The coating can be applied to the field of papermaking, endows paper with special performance, and is used in working areas with poor light intensity such as wrapping paper marks, environment-friendly paper signboard and the like. Meanwhile, through the adjustment of the formula of the coating, the coating has a plurality of good properties such as weather resistance and oxidation resistance, so that the product can be used in a wider natural area.
Disclosure of Invention
The invention provides a photosensitive coating and a preparation method thereof, and the technical scheme is as follows:
the photosensitive coating is prepared from the following raw materials in parts by mass: 10-20% of polymethylphenyl silicone resin, 10-20% of polyethyl silicone resin, 5-10% of calcined kaolin, 5-10% of fumed silica, 10-20% of high-purity carboxyl zinc ion metal photosensitive effect powder, 10-20% of latex, 3-5% of auxiliary agent, 1-3% of environment-friendly bacteriostatic agent and the balance of solvent; the preparation method comprises the following steps:
(1) adding the required amount of solvent and 60% of calcined kaolin, fumed silica and high-purity carboxyl zinc ion metal photosensitive effect powder into a ball mill to prepare slurry;
(2) adding organic silicon base material, latex, environment-friendly bacteriostatic agent and auxiliary agent, carrying out high-speed ball milling and fully dispersing to uniformly mix the materials;
(3) adding a thickening agent, stirring at a low speed, spraying the residual high-purity carboxyl zinc ion metal photosensitive effect powder by using a spraying gun, sieving and thickening to form a coating finished product.
Preferably, the preparation method of the environment-friendly bacteriostatic agent comprises the following steps:
(1) pulverizing sansevieria trifasciata and scindapsus aureus into powder according to the mass ratio of 1:2, and sieving with a 40-mesh sieve;
(2) soaking the sieved powder in 75% ethanol solution for 5 hr to mix thoroughly to obtain ① solution;
(3) and (3) carrying out vacuum film concentration on the solution ① under the conditions of water bath temperature of 80 ℃, vacuum degree of 80 Kpa and liquid inlet flow rate of 100 ml/min, recovering ethanol, and filtering by using a 100-mesh sieve to obtain a concentrated solution, namely the environment-friendly bacteriostatic agent.
Preferably, the latex in the preparation method is self-crosslinking acrylic emulsion, and the auxiliary agent comprises an ultraviolet absorbent: hexamethylphosphoric triamide, 2-hydroxy-4-n-octoxy benzophenone and a dispersant: polyether modified siloxane and organic silicon modified polyether amide polymer, defoaming agent: polysiloxane solution, thickener: fumed silica.
Preferably, the high-speed ball milling speed in the preparation method is 250-350 r/min.
Preferably, the low-speed stirring speed in the preparation method is 50-70 r/min.
Preferably, the solvent is demineralized water.
The prepared composite coating has a photosensitive function, can be used for special paper products for papermaking, overcomes the problem of high residual chlorine and bromine in common photosensitive products, and partially sprays high-purity carboxyl zinc ion metal photosensitive effect powder into slurry in a preparation process, so that high-purity carboxyl zinc ion metal photosensitive effect powder particles are better mixed with the slurry, the coating photosensitivity is enhanced, and the oxidation resistance of the coating can be improved by adjusting the raw materials and the proportion of the coating; because the environment-friendly bacteriostatic agent is added in the preparation method, the product is natural and environment-friendly and has no harmful substance residue.
Detailed Description
The present invention is further illustrated in detail by the following examples, which are provided only for illustrating the present invention and are not intended to limit the scope of the present invention.
Embodiment 1 a photosensitive coating is prepared from the following raw materials in parts by mass: 10% of polymethylphenyl silicone resin, 10% of polyethyl silicone resin, 5% of calcined kaolin, 10% of fumed silica, 20% of high-purity carboxyl zinc ion metal photosensitive effect powder, 10% of latex (self-crosslinking acrylic emulsion), 3% of auxiliary agents (ultraviolet absorbers (hexamethyl phosphoric triamide and 2-hydroxy-4-n-octoxy benzophenone), 3% of polyether modified siloxane, 2% of polysiloxane solution, 2% of fumed silica), 1% of environment-friendly bacteriostatic agent and 29% of solvent (softened water); the preparation method comprises the following steps:
(1) adding required parts of softened water and 60% of calcined kaolin, fumed silica and high-purity carboxyl zinc ion metal photosensitive effect powder into a ball mill to prepare slurry;
(2) adding organic silicon base material, latex and auxiliary agent, performing high-speed ball milling at the rotating speed of 250r/min, and fully dispersing for 1 hour to uniformly mix;
(3) adding fumed silica, stirring at low speed of 50r/min for 1 hour, spraying the rest high-purity carboxyl zinc ion metal photosensitive effect powder by using a spray gun, sieving and thickening to form a coating finished product.
The preparation method of the environment-friendly bacteriostatic agent comprises the following steps:
(1) pulverizing sansevieria trifasciata and scindapsus aureus into powder according to the mass ratio of 1:2, and sieving with a 40-mesh sieve;
(2) soaking the sieved powder in 75% ethanol solution for 5 hr to mix thoroughly to obtain ① solution;
(3) and (3) carrying out vacuum film concentration on the solution ① under the conditions of water bath temperature of 80 ℃, vacuum degree of 80 Kpa and liquid inlet flow rate of 100 ml/min, recovering ethanol, and filtering by using a 100-mesh sieve to obtain a concentrated solution, namely the environment-friendly bacteriostatic agent.
Embodiment 2 a photosensitive coating is prepared from the following raw materials in parts by mass: 12% of polymethylphenyl silicone resin, 13% of polyethyl silicone resin, 7% of calcined kaolin, 8% of fumed silica, 15% of high-purity carboxyl zinc ion metal photosensitive effect powder, 15% of latex (self-crosslinking acrylic emulsion), 1% of auxiliary agent (ultraviolet absorbent (hexamethyl phosphoric triamide and 2-hydroxy-4-n-octoxy benzophenone), 1% of polyether modified siloxane, 1% of polysiloxane solution, 1% of fumed silica, 2% of environment-friendly bacteriostatic agent and 24% of solvent (softened water); the preparation method comprises the following steps:
(1) adding required parts of softened water and 60% of calcined kaolin, fumed silica and high-purity carboxyl zinc ion metal photosensitive effect powder into a ball mill to prepare slurry;
(2) adding organic silicon base material, latex, environment-friendly bacteriostatic agent and auxiliary agent, performing high-speed ball milling at the rotating speed of 300r/min, and fully dispersing for 1 hour to uniformly mix;
(3) adding fumed silica, stirring at low speed of 50r/min for 1 hour, spraying the rest high-purity carboxyl zinc ion metal photosensitive effect powder by using a spray gun, sieving and thickening to form a coating finished product.
The preparation method of the environment-friendly bacteriostatic agent comprises the following steps:
(1) pulverizing sansevieria trifasciata and scindapsus aureus into powder according to the mass ratio of 1:2, and sieving with a 40-mesh sieve;
(2) soaking the sieved powder in 75% ethanol solution for 5 hr to mix thoroughly to obtain ① solution;
(3) and (3) carrying out vacuum film concentration on the solution ① under the conditions of water bath temperature of 80 ℃, vacuum degree of 80 Kpa and liquid inlet flow rate of 100 ml/min, recovering ethanol, and filtering by using a 100-mesh sieve to obtain a concentrated solution, namely the environment-friendly bacteriostatic agent.
Embodiment 3 a photosensitive coating is prepared from the following raw materials in parts by mass: 13% of polymethylphenyl silicone resin, 12% of polyethyl silicone resin, 8% of calcined kaolin, 7% of fumed silica, 18% of high-purity carboxyl zinc ion metal photosensitive effect powder, 20% of latex (self-crosslinking acrylic emulsion), 1% of auxiliary agent (ultraviolet absorbent (hexamethyl phosphoric triamide and 2-hydroxy-4-n-octoxy benzophenone), 1% of polyether modified siloxane, 1% of polysiloxane solution, 1% of fumed silica, 2% of environment-friendly bacteriostatic agent and 16% of solvent (softened water); the preparation method comprises the following steps:
(1) adding required parts of softened water and 60% of calcined kaolin, fumed silica and high-purity carboxyl zinc ion metal photosensitive effect powder into a ball mill to prepare slurry;
(2) adding organic silicon base material, latex, environment-friendly bacteriostatic agent and auxiliary agent, performing high-speed ball milling at the rotating speed of 300r/min, and fully dispersing for 1 hour to uniformly mix;
(3) adding fumed silica, stirring at low speed of 60r/min for 1 hour, spraying the rest high-purity carboxyl zinc ion metal photosensitive effect powder by using a spray gun, sieving and thickening to form a coating finished product.
The preparation method of the environment-friendly bacteriostatic agent comprises the following steps:
(1) pulverizing sansevieria trifasciata and scindapsus aureus into powder according to the mass ratio of 1:2, and sieving with a 40-mesh sieve;
(2) soaking the sieved powder in 75% ethanol solution for 5 hr to mix thoroughly to obtain ① solution;
(3) and (3) carrying out vacuum film concentration on the solution ① under the conditions of water bath temperature of 80 ℃, vacuum degree of 80 Kpa and liquid inlet flow rate of 100 ml/min, recovering ethanol, and filtering by using a 100-mesh sieve to obtain a concentrated solution, namely the environment-friendly bacteriostatic agent.
Embodiment 4 a photosensitive coating is prepared from the following raw materials in parts by mass: 15% of polymethylphenyl silicone resin, 15% of polyethyl silicone resin, 10% of calcined kaolin, 5% of fumed silica, 20% of high-purity carboxyl zinc ion metal photosensitive effect powder, 10% of latex (self-crosslinking acrylic emulsion), 2% of auxiliary agents (ultraviolet absorbers (hexamethyl phosphoric triamide and 2-hydroxy-4-n-octoxy benzophenone), 1% of polyether modified siloxane, 1% of polysiloxane solution and 1% of fumed silica), 3% of environment-friendly bacteriostatic agent and 19% of solvent (softened water); the preparation method comprises the following steps:
(1) adding required parts of softened water and 60% of calcined kaolin, fumed silica and high-purity carboxyl zinc ion metal photosensitive effect powder into a ball mill to prepare slurry;
(2) adding organic silicon base material, latex, environment-friendly bacteriostatic agent and auxiliary agent, performing high-speed ball milling at the rotating speed of 350r/min, and fully dispersing for 1 hour to uniformly mix;
(3) adding fumed silica, stirring at low speed of 70r/min for 1 hour, spraying the rest high-purity carboxyl zinc ion metal photosensitive effect powder by using a spray gun, sieving and thickening to form a coating finished product.
The preparation method of the environment-friendly bacteriostatic agent comprises the following steps:
(1) pulverizing sansevieria trifasciata and scindapsus aureus into powder according to the mass ratio of 1:2, and sieving with a 40-mesh sieve;
(2) soaking the sieved powder in 75% ethanol solution for 5 hr to mix thoroughly to obtain ① solution;
(3) and (3) carrying out vacuum film concentration on the solution ① under the conditions of water bath temperature of 80 ℃, vacuum degree of 80 Kpa and liquid inlet flow rate of 100 ml/min, recovering ethanol, and filtering by using a 100-mesh sieve to obtain a concentrated solution, namely the environment-friendly bacteriostatic agent.

Claims (6)

1. The photosensitive coating is characterized in that the coating formula is prepared from the following raw materials in parts by mass: 10-20% of polymethylphenyl silicone resin, 10-20% of polyethyl silicone resin, 5-10% of calcined kaolin, 5-10% of fumed silica, 10-20% of high-purity carboxyl zinc ion metal photosensitive effect powder, 10-20% of latex, 3-5% of auxiliary agent, 1-3% of environment-friendly bacteriostatic agent and the balance of solvent; the preparation method comprises the following steps:
(1) adding the required amount of solvent and 60% of calcined kaolin, fumed silica and high-purity carboxyl zinc ion metal photosensitive effect powder into a ball mill to prepare slurry;
(2) adding organic silicon base material, latex, environment-friendly bacteriostatic agent and auxiliary agent (including ultraviolet absorbent, dispersant and defoamer), carrying out high-speed ball milling and fully dispersing to uniformly mix the materials;
(3) adding a thickening agent, stirring at a low speed, spraying the residual high-purity carboxyl zinc ion metal photosensitive effect powder by using a spraying gun, sieving and thickening to form a coating finished product.
2. The photosensitive coating of claim 1, wherein the environmental-friendly bacteriostatic agent is prepared by the following steps:
(1) pulverizing sansevieria trifasciata and scindapsus aureus into powder according to the mass ratio of 1:2, and sieving with a 40-mesh sieve;
(2) soaking the sieved powder in 75% ethanol solution for 5 hr to mix thoroughly to obtain ① solution;
(3) and (3) carrying out vacuum film concentration on the solution ① under the conditions of water bath temperature of 80 ℃, vacuum degree of 80 Kpa and liquid inlet flow rate of 100 ml/min, recovering ethanol, and filtering by using a 100-mesh sieve to obtain a concentrated solution, namely the environment-friendly bacteriostatic agent.
3. A photosensitive coating according to claim 1, wherein the latex is a self-crosslinking acrylic emulsion, and the auxiliary comprises an ultraviolet absorber: hexamethylphosphoric triamide, 2-hydroxy-4-n-octoxy benzophenone and a dispersant: polyether modified siloxane and organic silicon modified polyether amide polymer, defoaming agent: polysiloxane solution, thickener: fumed silica.
4. The method for preparing photosensitive coating according to claim 1, wherein the high speed ball milling speed is 250 to 350 r/min.
5. A method for preparing a photosensitive coating according to claim 1, wherein the low speed stirring speed is 50 to 70 r/min.
6. A method of preparing a photosensitive coating according to claim 1, wherein said solvent is demineralized water.
CN201911177824.5A 2019-11-27 2019-11-27 Photosensitive coating and preparation method thereof Pending CN110713792A (en)

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Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107141919A (en) * 2017-06-12 2017-09-08 杭州裕昌成建筑材料有限公司 A kind of photosensitive coating and its preparation technology
CN107880771A (en) * 2017-12-06 2018-04-06 高州市名洋化工有限公司 A kind of high temperature resistant waterproof coating

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107141919A (en) * 2017-06-12 2017-09-08 杭州裕昌成建筑材料有限公司 A kind of photosensitive coating and its preparation technology
CN107880771A (en) * 2017-12-06 2018-04-06 高州市名洋化工有限公司 A kind of high temperature resistant waterproof coating

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
刘红燕: "《家有中药 生活中的中草药养生》", 31 March 2013, 人民军医出版社 *
秦锦虎等: "《种花使室内空气更清新》", 31 August 2015, 上海科学技术出版社 *

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Application publication date: 20200121