CN110735357A - photosensitive coating with functional filler and preparation method thereof - Google Patents

photosensitive coating with functional filler and preparation method thereof Download PDF

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Publication number
CN110735357A
CN110735357A CN201911177828.3A CN201911177828A CN110735357A CN 110735357 A CN110735357 A CN 110735357A CN 201911177828 A CN201911177828 A CN 201911177828A CN 110735357 A CN110735357 A CN 110735357A
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CN
China
Prior art keywords
photosensitive
powder
solution
environment
agent
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201911177828.3A
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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 CN201911177828.3A priority Critical patent/CN110735357A/en
Publication of CN110735357A publication Critical patent/CN110735357A/en
Pending legal-status Critical Current

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Classifications

    • 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
    • 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
    • D21H19/62—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
    • 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
    • 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
    • D21H23/50—Spraying or projecting

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Pest Control & Pesticides (AREA)
  • Dispersion Chemistry (AREA)
  • Paints Or Removers (AREA)

Abstract

The invention discloses photosensitive coatings with functional fillers and a preparation method thereof, wherein the coating formula is prepared from the following raw materials, by mass, 20-30% of an organic silicon base material, 10-20% of the functional fillers, 10-20% of high-purity carboxyl zinc ion metal photosensitive effect powder, 10-20% of latex, 3-5% of an auxiliary agent, 1-3% of an environment-friendly bacteriostatic agent and the balance of a solvent.

Description

photosensitive coating with functional filler and preparation method thereof
Technical Field
The invention relates to composite coatings and a preparation method thereof, belonging to the field of fine chemical engineering.
Background
The photosensitive coating is generally 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 light color.
Disclosure of Invention
The invention provides photosensitive coatings with functional fillers and a preparation method thereof, and the technical scheme is as follows:
photosensitive coatings with functional fillers are prepared by the following raw materials by mass, 20-30% of organic silicon base material, 10-20% of functional fillers, 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 solvent, the functional filler and 60% of the high-purity carboxyl zinc ion metal photosensitive effect powder into a ball mill in required parts 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 filler in the preparation method is mica powder, and the granularity of the filler is 500-1250 meshes.
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.
Preferably, the silicone resin is: polymethyl silicone resin and polyaryl silicone resin in a weight ratio of 1: 1.
The composite coating has the beneficial effects that 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 photosensitive products, partially sprays high-purity carboxyl zinc ion metal photosensitive effect powder into slurry in a preparation process, enables high-purity carboxyl zinc ion metal photosensitive effect powder particles to be better mixed with the slurry, and strengthens the coating photosensitivity, and the product is endowed with natural, environment-friendly and harmful-residue-free characteristics due to the addition of the environment-friendly bacteriostatic agent in the preparation method.
Detailed Description
The present invention is further illustrated in by the following examples, which are provided for the purpose of illustration only and are not intended to limit the scope of the invention.
Example 1 photosensitive coating with functional filler is prepared from the following raw materials, by mass, 20% of an organosilicon base material (polymethyl silicone resin and polyaryl silicone resin mixed at a weight ratio of 1: 1), 10% of a functional filler (mica powder with a particle size of 500 meshes), 20% of high-purity carboxyl zinc ion metal photosensitive effect powder, 10% of latex (self-crosslinking acrylic emulsion), 2% of an auxiliary agent (ultraviolet absorbers (hexamethyl phosphoric triamide and 2-hydroxy-4-n-octoxy benzophenone), 2% of polyether modified siloxane, 1% of polysiloxane solution, 1% of fumed silica), 5% of an environment-friendly bacteriostatic agent, 1% of a solvent (softened water), and the preparation method comprises the following steps:
(1) adding required parts of softened water, functional filler and 60% of 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 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.
Example 2 photosensitive coating with functional filler is prepared from the following raw materials, by mass, 25% of an organosilicon binder (polymethyl silicone resin and polyaryl silicone resin mixed at a weight ratio of 1: 1), 20% of the functional filler (mica powder with a particle size of 500 meshes), 15% of high-purity carboxyl zinc ion metal photosensitive effect powder, 15% of latex (self-crosslinking acrylic emulsion), 1% of an auxiliary agent (ultraviolet absorbers (hexamethyl phosphoric triamide and 2-hydroxy-4-n-octyloxy benzophenone), 1% of polyether modified siloxane, 1% of a polysiloxane solution, 1% of fumed silica), 4% of an environment-friendly bacteriostatic agent, 2% of a solvent (softened water), and the preparation method comprises the following steps:
(1) adding required parts of softened water, functional filler and 60% of 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.
Example 3 photosensitive coating with functional filler is prepared from the following raw materials, by mass, 25% of an organosilicon binder (polymethyl silicone resin and polyaryl silicone resin mixed at a weight ratio of 1: 1), 15% of a functional filler (mica powder with a particle size of 800 meshes), 18% of a high-purity carboxyl zinc ion metal photosensitive effect powder, 20% of latex (self-crosslinking acrylic emulsion), 2% of an auxiliary agent (ultraviolet absorbers (hexamethyl phosphoric triamide and 2-hydroxy-4-n-octyloxy benzophenone), 3% of polyether modified siloxane, 1% of a polysiloxane solution, 1% of fumed silica, 4% of an environment-friendly bacteriostatic agent, 2% of a solvent (softened water), and the preparation method comprises the following steps:
(1) adding required parts of softened water, functional filler and 60% of 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.
Example 4 photosensitive coating with functional filler is prepared from the following raw materials (by weight ratio, polymethyl silicone resin and polyaryl silicone resin mixed at a weight ratio of 1: 1) 30%, functional filler (mica powder with a particle size of 1250 mesh) 10%, high-purity carboxyl zinc ion metal photosensitive effect powder 20%, latex (self-crosslinking acrylic emulsion) 10%, auxiliary agents (ultraviolet absorbers (hexamethyl phosphoric triamide and 2-hydroxy-4-n-octoxy benzophenone) 0.5%, polyether modified siloxane 0.5%, polysiloxane solution 1%, fumed silica 1%) 3%, environmental protection bacteriostat 3%, and solvent (softened water) 24%, and the preparation method comprises the following steps:
(1) adding required parts of softened water, functional filler and 60% of 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 (8)

  1. photosensitive coatings with functional fillers, which is characterized in that the coating formula is prepared by the following raw materials by mass ratio, namely 20-30% of organic silicon base material, 10-20% of functional fillers, 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, and the preparation method comprises the following steps:
    (1) adding the solvent, the functional filler and 60% of the high-purity carboxyl zinc ion metal photosensitive effect powder into a ball mill in required parts 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.
  2. 2. A photosensitive coating according to claim 1, wherein the environmentally friendly bacteriostatic agent is prepared by the following method:
    (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. 3. A photosensitive coating according to claim 1, wherein the functional filler is mica powder having a particle size of 500 to 1250 mesh.
  4. 4. A photosensitive coating according to claim 1, wherein said 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.
  5. 5. The method for preparing photosensitive coating according to claim 1, wherein the high speed ball milling speed is 250 to 350 r/min.
  6. 6. A method for preparing a photosensitive coating according to claim 1, wherein the low-speed stirring speed is 50 to 70 r/min.
  7. 7. The method of claim 1, wherein the solvent is demineralized water.
  8. 8. A method of preparing a photosensitive coating according to claim 1, wherein said silicone resin is: polymethyl silicone resin and polyaryl silicone resin in a weight ratio of 1: 1.
CN201911177828.3A 2019-11-27 2019-11-27 photosensitive coating with functional filler and preparation method thereof Pending CN110735357A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201911177828.3A CN110735357A (en) 2019-11-27 2019-11-27 photosensitive coating with functional filler and preparation method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201911177828.3A CN110735357A (en) 2019-11-27 2019-11-27 photosensitive coating with functional filler and preparation method thereof

Publications (1)

Publication Number Publication Date
CN110735357A true CN110735357A (en) 2020-01-31

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Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104342017A (en) * 2013-07-26 2015-02-11 高州市名洋化工有限公司 Preparation method of high temperature resistant composite coating
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

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104342017A (en) * 2013-07-26 2015-02-11 高州市名洋化工有限公司 Preparation method of high temperature resistant composite coating
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

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Application publication date: 20200131

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