CN111763471A - Dustproof, antistatic and skin-feel paint and preparation method thereof - Google Patents
Dustproof, antistatic and skin-feel paint and preparation method thereof Download PDFInfo
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- CN111763471A CN111763471A CN202010707636.5A CN202010707636A CN111763471A CN 111763471 A CN111763471 A CN 111763471A CN 202010707636 A CN202010707636 A CN 202010707636A CN 111763471 A CN111763471 A CN 111763471A
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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
- C09D175/00—Coating compositions based on polyureas or polyurethanes; Coating compositions based on derivatives of such polymers
- C09D175/04—Polyurethanes
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J7/00—Chemical treatment or coating of shaped articles made of macromolecular substances
- C08J7/04—Coating
- C08J7/0427—Coating with only one layer of a composition containing a polymer binder
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J7/00—Chemical treatment or coating of shaped articles made of macromolecular substances
- C08J7/04—Coating
- C08J7/044—Forming conductive coatings; Forming coatings having anti-static properties
-
- 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
- C09D5/24—Electrically-conducting paints
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/65—Additives macromolecular
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2367/00—Characterised by the use of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Derivatives of such polymers
- C08J2367/02—Polyesters derived from dicarboxylic acids and dihydroxy compounds
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2475/00—Characterised by the use of polyureas or polyurethanes; Derivatives of such polymers
- C08J2475/04—Polyurethanes
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/02—Elements
- C08K3/08—Metals
- C08K2003/0806—Silver
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/001—Conductive additives
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/04—Antistatic
-
- 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)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Paints Or Removers (AREA)
Abstract
The invention discloses a dustproof, antistatic and skin-feel paint, which is characterized by comprising the following components in parts by weight: 20-50% of conductive material, 20-50% of polyurethane, 3-10% of silicone oil, 0.5-10% of nano elastomer resin, 0.1-3% of wetting agent and 5-56.3% of solvent. The invention has simple formula, not only has good dustproof capability, but also has good antistatic capability, and polyurethane is added and utilizedThe ball has the characteristics of high elasticity and true ball property, has the incomparable advantages of inorganic powder filler, can make the coating have soft hand feeling, is added with conductive materials in the skin-feel coating to form the skin-feel coating with dust-proof and anti-static effects, has excellent dust-proof and anti-static effects, and has the surface resistance of 106‑109Omega, has better application prospect.
Description
Technical Field
The invention relates to the technical field of coatings, in particular to a dustproof, antistatic and skin-feel coating and a preparation method thereof.
Background
The dustproof coating is a special coating, and is characterized in that after the coating is formed into a film, the surface of the coating is not easy to adhere by other viscous substances or is easy to remove after adhering, and most of the dustproof coatings take the surface energy reduction as the research direction, for example, low-surface-energy substances such as fluorine-containing resin are used as coating film forming substances or a lotus leaf-like micro-nano surface is constructed; the coating with low surface energy has larger contact angle of water on the surface, and is easy to form water drops which slide off from the surface, so that the effect of taking away dirt adhered on the surface is achieved, but the dustproof coating has no antistatic effect, the antistatic coating can obviously reduce the surface resistance of a plastic product, and after the antistatic liquid is coated on the surface of an object, an extremely thin transparent film is formed, so that a durable and efficient static dissipation function is provided, the static accumulation generated by friction can be effectively eliminated, but the dustproof effect is poorer, therefore, the dustproof, antistatic and skin-feel coating and the preparation method thereof are provided.
Disclosure of Invention
The invention aims to provide a dustproof, antistatic and skin-feel coating and a preparation method thereof, and solves the problem that the dustproof and antistatic effects of the existing coating cannot be achieved simultaneously.
In order to achieve the purpose, the invention is realized by the following technical scheme:
the dustproof, antistatic and skin-feel paint comprises the following components in parts by weight: 20-50% of conductive material, 20-50% of polyurethane, 3-10% of silicone oil, 0.5-10% of nano elastomer resin, 0.1-3% of wetting agent and 5-56.3% of solvent.
Preferably, the content of the conductive material is 20 to 50%, preferably 30 to 45%, more preferably 35 to 40%, the content of the polyurethane is 20 to 50%, preferably 30 to 45%, more preferably 35 to 40%, the content of the silicone oil is 3 to 10%, preferably 4 to 8%, more preferably 5 to 7%, the content of the nanoelastic resin is 0.5 to 10%, preferably 2.5 to 8%, more preferably 4.5 to 6%, the content of the wetting agent is 0.1 to 3%, preferably 0.5 to 2.5%, more preferably 1 to 2%, and the content of the solvent is 5 to 56.3%, preferably 10 to 50%, more preferably 20 to 40%.
Preferably, the conductive material may be solid or liquid, the solid may be carbon nanotube powder, polythiophene particles, polyaniline powder, conductive metal, or the like, and the liquid may be carbon nanotube dispersion, polythiophene dispersion, polyaniline dispersion, silver paste, silver wire, or the like.
Preferably, the polyurethane can be polyurethane, modified polyurethane, or polyurethane microspheres, polyurethane-polyurea polyurethane microspheres, or polyurethane microspheres synthesized by using polyvinyl alcohol, polyvinylpyrrolidone and cellulose as dispersing agents, and toluene diisocyanate type polyurethane microspheres, and the polyurethane microspheres have the characteristics of high elasticity and true sphericity, have the incomparable advantages of inorganic powder filler, and can enable the coating to have soft hand feeling.
Preferably, the silicone oil mainly refers to hydrophilic silicone oil, such as polyether modified polymethylsiloxane, hydrophilic silicone oil grafted with hydrophilic groups.
Preferably, the nano elastomer resin can be hydroxyl-bearing linear polyester resin, and can also be polyurethane elastomer modified polyester resin.
Preferably, the wetting agent may be an anionic surfactant or a nonionic surfactant.
Preferably, the solvent may be water, alcohol, or a mixture of water and alcohol.
The invention also provides a processing method of the dustproof, antistatic and skin-feel paint, which specifically comprises the following steps:
1) sequentially putting polyurethane resin, nano elastomer resin, macromolecular silicone oil, wetting agent and conductive material into a high-speed dispersion tank according to a certain proportion, stirring at a high speed and dispersing in a solvent, and mixing and stirring uniformly to obtain a finished product;
2) homogenizing the obtained finished product by a homogenizer, and filling for use after a period of time.
The invention has the beneficial effects that: the invention has simple formula, not only has good dustproof capability, but also has good antistatic capability, has incomparable advantages of inorganic powder filler by adding polyurethane and utilizing the characteristics of high elasticity and true sphericity of polyurethane microspheres, can enable the coating to have soft hand feeling, and forms a skin-feel coating with dustproof and antistatic effects by adding conductive materials in the skin-feel coating, and has excellent dustproof and antistatic effects,the surface resistance can reach 106-109Omega, has better application prospect.
Detailed Description
The following further describes embodiments of the present invention with reference to examples. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.
A dustproof, antistatic and skin-feel paint is prepared from electrically conductive material (20-50%), polyurethane (20-50%), silicon oil (3-10%), nano elastic resin (0.5-10%) and wetting agent (0.1-3%) through dispersing them in solvent (5-56.3%).
In actual production, the conductive material accounting for 30-45%, the polyurethane accounting for 30-45%, the silicone oil accounting for 4-8%, the nano elastic resin accounting for 2.5-8% and the wetting agent accounting for 0.5-2.5% are preferably dispersed in the solvent accounting for 10-50%.
In actual production, more preferably, 35-40% of conductive material, 35-40% of polyurethane, 5-7% of silicone oil, 4.5-6% of nano elastic resin and 1-2% of wetting agent are dispersed in 20-40% of solvent.
Specific reference examples are as follows:
example 1
The preparation method comprises the following specific steps:
1) sequentially putting 20% of conductive material, 50% of polyurethane, 3% of silicone oil, 0.5% of nano elastic resin, 0.1% of wetting agent and 26.4% of solvent into a high-speed dispersion tank, stirring at high speed to disperse in the solvent, and mixing and stirring uniformly;
2) homogenizing the obtained finished product by a homogenizer, and filling for use after a period of time;
3) the coating was formed on a PET film by roll coating, and the surface resistance was measured with a surface resistance measuring instrument, at which the surface resistance was 109Ω。
Example 2
The preparation method comprises the following specific steps:
1) sequentially putting 30% of conductive material, 45% of polyurethane, 4% of silicone oil, 2% of nano elastic resin, 0.3% of wetting agent and 18.7% of solvent into a high-speed dispersion tank, stirring at high speed and dispersing in the solvent, and mixing and stirring uniformly;
2) homogenizing the obtained finished product by a homogenizer, and filling for use after a period of time;
3) the coating was formed on a PET film by roll coating, and the surface resistance was measured with a surface resistance measuring instrument, at which the surface resistance was 108Ω。
Example 3
The preparation method comprises the following specific steps:
1) sequentially putting 35% of conductive material, 40% of polyurethane, 5% of silicone oil, 3% of nano elastic resin, 1% of wetting agent and 16% of solvent into a high-speed dispersion tank, stirring at high speed and dispersing in the solvent, and mixing and stirring uniformly;
2) homogenizing the obtained finished product by a homogenizer, and filling for use after a period of time;
3) the coating was formed on a PET film by roll coating, and the surface resistance was measured with a surface resistance measuring instrument, at which the surface resistance was 107Ω。
Example 4
The preparation method comprises the following specific steps:
1) sequentially putting 40% of conductive material, 35% of polyurethane, 6% of silicone oil, 5% of nano elastic resin, 2% of wetting agent and 10% of solvent into a high-speed dispersion tank, stirring at high speed and dispersing in the solvent, and mixing and stirring uniformly;
2) homogenizing the obtained finished product by a homogenizer, and filling for use after a period of time;
3) the coating was formed on a PET film by roll coating, and the surface resistance was measured with a surface resistance measuring instrument, at which the surface resistance was 106Ω。
Example 5
The preparation method comprises the following specific steps:
1) sequentially putting 45% of conductive material, 30% of polyurethane, 7% of silicone oil, 6% of nano elastic resin, 2.6% of wetting agent and 9.4% of solvent into a high-speed dispersion tank, stirring at high speed and dispersing in the solvent, and mixing and stirring uniformly;
2) homogenizing the obtained finished product by a homogenizer, and filling for use after a period of time;
3) the coating was formed on a PET film by roll coating, and the surface resistance was measured with a surface resistance measuring instrument, at which the surface resistance was 106Ω。
Example 6
The preparation method comprises the following specific steps:
1) sequentially putting 50% of conductive material, 20% of polyurethane, 8% of silicone oil, 8% of nano elastic resin, 3% of wetting agent and 11% of solvent into a high-speed dispersion tank, stirring at high speed and dispersing in the solvent, and mixing and stirring uniformly;
2) homogenizing the obtained finished product by a homogenizer, and filling for use after a period of time;
3) the coating was formed on a PET film by roll coating, and the surface resistance was measured with a surface resistance measuring instrument, at which the surface resistance was 106Ω。
Example 7
The preparation method comprises the following specific steps:
1) sequentially putting 20% of conductive material, 20% of polyurethane, 10% of silicone oil, 10% of nano elastic resin, 2% of wetting agent and 38% of solvent into a high-speed dispersion tank, stirring at high speed and dispersing in the solvent, and mixing and stirring uniformly;
2) homogenizing the obtained finished product by a homogenizer, and filling for use after a period of time;
3) forming a coating layer on the PET film by roll coating, and measuring the surface resistance with a surface resistance measuring instrument, wherein the surface resistance is measuredIs 108Ω。
Example 8
The preparation method comprises the following specific steps:
1) sequentially putting 20% of conductive material, 20% of polyurethane, 3% of silicone oil, 0.5% of nano elastic resin, 0.2% of wetting agent and 56.3% of solvent into a high-speed dispersion tank, stirring at high speed to disperse in the solvent, and mixing and stirring uniformly;
2) homogenizing the obtained finished product by a homogenizer, and filling for use after a period of time;
3) the coating was formed on a PET film by roll coating, and the surface resistance was measured with a surface resistance measuring instrument, at which the surface resistance was 108Ω。
By way of the above examples, the surface inventive skin feel coating has excellent dust-resistant, antistatic properties.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (9)
1. The dustproof, antistatic and skin-feel paint is characterized by comprising the following components in parts by weight: 20-50% of conductive material, 20-50% of polyurethane, 3-10% of silicone oil, 0.5-10% of nano elastomer resin, 0.1-3% of wetting agent and 5-56.3% of solvent.
2. The dustproof, antistatic and skin-feel paint according to claim 1, wherein the content of the conductive material is 20 to 50%, preferably 30 to 45%, and more preferably 35 to 40%, the content of the polyurethane is 20 to 50%, preferably 30 to 45%, and more preferably 35 to 40%, the content of the silicone oil is 3 to 10%, preferably 4 to 8%, and more preferably 5 to 7%, the content of the nano elastic resin is 0.5 to 10%, preferably 2.5 to 8%, and more preferably 4.5 to 6%, the content of the wetting agent is 0.1 to 3%, preferably 0.5 to 2.5%, and more preferably 1 to 2%, and the content of the solvent is 5 to 56.3%, preferably 10 to 50%, and more preferably 20 to 40%.
3. The paint of claim 1, wherein the conductive material is solid or liquid, the solid is carbon nanotube powder, polythiophene particle, polyaniline powder, conductive metal, etc., and the liquid is carbon nanotube dispersion, polythiophene dispersion, polyaniline dispersion, silver paste, silver wire, etc.
4. The dustproof, antistatic and skin-feel paint as claimed in claim 1, wherein the polyurethane can be polyurethane, modified polyurethane, polyurethane microspheres, polyurethane-polyurea type polyurethane microspheres, polyurethane microspheres synthesized by polyvinyl alcohol, polyvinylpyrrolidone and cellulose as dispersing agents, and toluene diisocyanate type polyurethane microspheres, and the polyurethane microspheres have the characteristics of high elasticity and true sphericity, have the advantages of incomparable inorganic powder filler and can enable a coating to have soft hand feeling.
5. The dustproof, antistatic and skin-feel paint according to claim 1, wherein the silicone oil mainly refers to hydrophilic silicone oil, such as polyether modified polymethylsiloxane, hydrophilic silicone oil grafted with hydrophilic groups.
6. The dustproof, antistatic and skin-feel paint as claimed in claim 1, wherein the nano elastomer resin can be hydroxyl-bearing linear polyester resin or polyurethane elastomer modified polyester resin.
7. The dust-repellent, antistatic, skin-feel coating of claim 1 wherein said wetting agent is either an anionic or nonionic surfactant.
8. The dustproof, antistatic and skin-feel paint of claim 1, wherein the solvent is water, alcohol or a mixture of water and alcohol.
9. The method for preparing the dustproof, antistatic and skin-feel paint according to any one of claims 1 to 8, which is characterized by comprising the following steps:
1) sequentially putting polyurethane resin, nano elastomer resin, macromolecular silicone oil, wetting agent and conductive material into a high-speed dispersion tank according to a certain proportion, stirring at a high speed and dispersing in a solvent, and mixing and stirring uniformly to obtain a finished product;
2) homogenizing the obtained finished product by a homogenizer, and filling for use after a period of time.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010707636.5A CN111763471A (en) | 2020-07-21 | 2020-07-21 | Dustproof, antistatic and skin-feel paint and preparation method thereof |
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| CN202010707636.5A CN111763471A (en) | 2020-07-21 | 2020-07-21 | Dustproof, antistatic and skin-feel paint and preparation method thereof |
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| CN111763471A true CN111763471A (en) | 2020-10-13 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112297558A (en) * | 2020-10-30 | 2021-02-02 | 苏州特普乐新材料有限公司 | Preparation method of antistatic silica gel |
| CN112442317A (en) * | 2020-11-06 | 2021-03-05 | 中山市鑫峰光固化材料有限公司 | Novel water-based matt soft touch ultraviolet curing coating and preparation and use methods thereof |
| CN114133709A (en) * | 2021-11-30 | 2022-03-04 | 浙江洁美电子科技股份有限公司 | Conductive sheet and carrier tape for micro package |
| CN116622279A (en) * | 2023-05-17 | 2023-08-22 | 恒昌涂料（惠阳）有限公司 | Polyurethane matte varnish capable of self-repairing scratches and preparation method thereof |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112297558A (en) * | 2020-10-30 | 2021-02-02 | 苏州特普乐新材料有限公司 | Preparation method of antistatic silica gel |
| CN112442317A (en) * | 2020-11-06 | 2021-03-05 | 中山市鑫峰光固化材料有限公司 | Novel water-based matt soft touch ultraviolet curing coating and preparation and use methods thereof |
| CN114133709A (en) * | 2021-11-30 | 2022-03-04 | 浙江洁美电子科技股份有限公司 | Conductive sheet and carrier tape for micro package |
| CN116622279A (en) * | 2023-05-17 | 2023-08-22 | 恒昌涂料（惠阳）有限公司 | Polyurethane matte varnish capable of self-repairing scratches and preparation method thereof |
| CN116622279B (en) * | 2023-05-17 | 2024-03-15 | 恒昌涂料（惠阳）有限公司 | Polyurethane matte varnish capable of self-repairing scratches and preparation method thereof |
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Application publication date: 20201013 |