CN111087910A - PU odor-free high-transparency matte clear finish paint suitable for woodware coating - Google Patents
PU odor-free high-transparency matte clear finish paint suitable for woodware coating Download PDFInfo
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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
- 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
- C09D7/20—Diluents or solvents
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/65—Additives macromolecular
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/10—Transparent films; Clear coatings; Transparent materials
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Abstract
A PU odorless high-transparency matte top-coat suitable for a woodware coating comprises a main paint, a curing agent and a diluent, wherein the mass ratio of the main paint to the curing agent to the diluent is 1: 0.2-0.3: 1.3-1.6; the main paint comprises the following components in percentage by mass: 45-55% of odor-free resin, 0.5-2% of dispersant, 0.2-1% of defoaming agent, 0.05-0.1% of polyester modified fluorocarbon leveling agent, 0.05-0.2% of fluorocarbon modified leveling agent, 1-3% of anti-settling agent, 5-20% of cellulose acetate butyrate liquid, 5-10% of PMA, 1-5% of matting powder, 1-10% of MIBK and the balance of butyl acetate. The top-coat paint disclosed by the invention has the advantages of good wetting and leveling effects, low smell, high transparency and wide applicability, can obviously improve the overall effects of solid wood furniture coating and dark color furniture coating, has a more delicate board surface effect and soft gloss, and improves the quality of furniture products.
Description
Technical Field
The invention relates to the field of chemical coatings, in particular to PU (polyurethane) odorless high-transparency matte top-coat suitable for a woodware coating.
Background
With the market competition becoming more and more intense, the requirements of customers become more and more diverse and strict. Solid wood furniture and rear end custom-made furniture are more and more, and the performance requirements on products are higher and higher correspondingly, such as the requirements of smell, transparency, constructability, special performance and the like of the furniture, and most of products in the market at present are difficult to meet all requirements, especially the transparency.
The current PU rear end customization requirements are higher and higher, the PU rear end customization requirements are that dyed veneers, smoked veneers and other colors are popular, the colors are bright or deep, a coating process with high transparency and low gloss is required, the transparency and the surface effect of low gloss products are not ideal due to the addition of matte powder, and some special properties, such as dyed veneers, also provide requirements for protecting the color vividness of the veneers.
The existing PU transparent matte product is difficult to realize 1 spectral, even 0 spectral, even if the product is realized, the product also has the defects of poor transparency, hair, poor surface scratch resistance and the like, and the product can not meet the requirements of customers due to other problems of cost, performance and the like in the practical application process.
Disclosure of Invention
In order to solve the problems of poor transparency and unsatisfactory surface effect of the existing coating suitable for woodware, the invention provides PU (polyurethane) odorless high-transmittance matte clear finish paint suitable for woodware coating.
A PU odorless high-transparency matte top-coat suitable for a woodware coating comprises a main paint, a curing agent and a diluent, wherein the mass ratio of the main paint to the curing agent to the diluent is 1: 0.2-0.3: 1.3-1.6; the main paint comprises the following components in percentage by mass: 45-55% of odor-free resin, 0.5-2% of dispersant, 0.2-1% of defoaming agent, 0.05-0.1% of polyester modified fluorocarbon leveling agent, 0.05-0.2% of fluorocarbon modified leveling agent, 1-3% of anti-settling agent, 5-20% of cellulose acetate butyrate liquid, 5-10% of PMA, 1-5% of matting powder, 1-10% of MIBK and the balance of butyl acetate.
In one embodiment, the mass ratio of the main paint to the curing agent to the diluent is 1:0.2: 1.6.
In one embodiment, the mass ratio of the main paint to the curing agent to the diluent is 1:0.3: 1.3.
In one embodiment, the curing agent comprises the following components in percentage by mass: 20-40% of HDI tripolymer, 0-30% of TDI tripolymer and 30-70% of butyl acetate.
In one embodiment, the diluent comprises the following components in percentage by mass: 40-60% of dimethylbenzene, 20-40% of PMA20 and 20-40% of butyl acetate.
In one embodiment, the odor-free resin is hydroxy acrylic resin, has low odor, and has good compatibility and wettability with cellulose acetate butyrate solution.
The PU odorless high-transparency matte top-coat suitable for the wood coating provided by the invention has the advantages of good wetting and leveling effects, low odor, high transparency and wide applicability, can obviously improve the overall effects of solid wood furniture coating and dark color furniture coating, and improves the quality of furniture products. Due to the use of the hydroxyl acrylic resin, the clear finish has good compatibility, yellowing resistance, transparency and low-odor performance; the use of the leveling agent enables the clear finish paint to have better leveling property, wettability and surface smoothness; the cellulose acetate butyrate liquid ensures that the clear finish has good solvent release property, and the surface effect of a coating is improved; the matting powder ensures that the clear finish has relatively good transparency; the matching use of the components endows the clear finish paint of the invention with the advantages of excellent transparency, surface effect, wetting effect, low odor and the like.
Detailed Description
The present invention will be described in detail with reference to examples, which are only preferred embodiments of the present invention and are not intended to limit the present invention.
Example 1:
a PU odorless high-transparency matte top-coat suitable for a woodware coating comprises a main paint, a curing agent and a diluent, wherein the mass ratio of the main paint to the curing agent to the diluent is 1:0.2: 1.6, and the main paint comprises the following components in percentage by mass: 55% of odor-free resin, 1.5% of dispersing agent, 0.5% of defoaming agent, 0.1% of polyester modified fluorocarbon leveling agent, 2.0% of fluorocarbon modified leveling agent, 2% of anti-settling agent, 20% of cellulose acetate butyrate liquid, 8% of propylene glycol methyl ether acetate (PMA), 4% of extinction powder, 5% of methyl isobutyl ketone (MIBK) and 3.8% of butyl acetate.
The odor-free resin is hydroxy acrylic resin, and the hydroxy acrylic resin reacts with a curing agent to form a film; the hydroxy acrylic resin and the cellulose acetate butyrate liquid have good compatibility and wettability, and the cellulose acetate butyrate liquid is mainly used for improving the solvent release property during film forming so as to achieve the effects of odor removal and flow-aiding and leveling of the resin and increase the wetting and leveling effects; the fluorocarbon modified leveling agent has excellent wetting leveling property, the leveling agent is mainly used for reducing surface tension for wetting leveling, and BYK310, EFKA3600 and TEGO245 are preferably selected as the leveling agent; the dispersing agent is beneficial to the dispersion of matting powder, resin, cellulose acetate butyrate and the like in the production process, can help to wet and is beneficial to the permeation of finish paint; the anti-settling agent is mainly used for preventing settling, the defoaming agent is mainly used for defoaming, and the organic matting powder and GRACE SY-7000 are preferably selected as the matting powder; the viscosity of the PU open finish is 800 +/-200 mPa.s/25 ℃, the open construction viscosity is 9-10s (rock field 2# cup), and the closed construction viscosity is 11-12s (rock field 2# cup).
The curing agent comprises the following components in percentage by mass: 32% of HDI tripolymer and 68% of butyl acetate, wherein the HDI tripolymer is mainly used for cross-linking reaction with acrylic resin, can provide excellent yellowing resistance, prolongs the open leveling time of a paint film, and achieves a better wetting leveling effect, and the HDI tripolymer is preferably Wanhua HT-100.
The diluent comprises the following components in percentage by mass: 45% of xylene, 35% of propylene glycol methyl ether acetate (PMA) and 20% of butyl acetate.
The PU odorless high-transparency matte top-coat suitable for the wood coating provided by the invention has the advantages of good wetting and leveling effects, low odor, high transparency and wide applicability, can obviously improve the overall effects of solid wood furniture coating and dark color furniture coating, and improves the quality of furniture products. Due to the use of the hydroxyl acrylic resin, the clear finish has good compatibility, yellowing resistance, transparency and low-odor performance; the use of the leveling agent enables the clear finish paint to have better leveling property, wettability and surface smoothness; the cellulose acetate butyrate liquid ensures that the clear finish has good solvent release property, and the surface effect of a coating is improved; the matting powder ensures that the clear finish has relatively good transparency; the matching use of the components endows the clear finish paint of the invention with the advantages of excellent transparency, surface effect, wetting effect, low odor and the like.
Example 2:
a PU odorless high-transparency matte top-coat suitable for a woodware coating comprises a main paint, a curing agent and a diluent, wherein the mass ratio of the main paint to the curing agent to the diluent is 1:0.3: 1.3, and the main paint comprises the following components in percentage by mass: 45% of odor-free resin, 2% of dispersing agent, 1% of defoaming agent, 0.07% of polyester modified fluorocarbon leveling agent, 0.05% of fluorocarbon modified leveling agent, 1% of anti-settling agent, 18% of cellulose acetate butyrate liquid, 10% of propylene glycol methyl ether acetate (PMA), 5% of matting agent, 10% of methyl isobutyl ketone (MIBK) and 7.88% of butyl acetate.
The odor-free resin is hydroxy acrylic resin, and the hydroxy acrylic resin reacts with a curing agent to form a film; the hydroxy acrylic resin and the cellulose acetate butyrate liquid have good compatibility and wettability, and the cellulose acetate butyrate liquid is mainly used for improving the solvent release property during film forming so as to achieve the effects of odor removal and flow-aiding and leveling of the resin and increase the wetting and leveling effects; the fluorocarbon modified leveling agent has excellent wetting leveling property, the leveling agent is mainly used for reducing surface tension for wetting leveling, and BYK310, EFKA3600 and TEGO245 are preferably selected as the leveling agent; the dispersing agent is beneficial to the dispersion of matting powder, resin, cellulose acetate butyrate and the like in the production process, can help to wet and is beneficial to the permeation of finish paint; the anti-settling agent is mainly used for preventing settling, the defoaming agent is mainly used for defoaming, and the organic matting powder and GRACE SY-7000 are preferably selected as the matting powder; the viscosity of the PU open finish is 800 +/-200 mPa.s/25 ℃, the open construction viscosity is 9-10s (rock field 2# cup), and the closed construction viscosity is 11-12s (rock field 2# cup).
The curing agent comprises the following components in percentage by mass: 20% of HDI tripolymer, 10% of TDI tripolymer and 70% of butyl acetate, wherein the HDI tripolymer is mainly used for cross-linking reaction with acrylic resin, can provide excellent yellowing resistance, prolongs the open leveling time of a paint film, and achieves a better wetting leveling effect, and the HDI tripolymer is preferably Wanhua HT-100.
The diluent comprises the following components in percentage by mass: 40% of xylene, 40% of propylene glycol methyl ether acetate (PMA) and 20% of butyl acetate.
The PU odorless high-transparency matte top-coat suitable for the wood coating provided by the invention has the advantages of good wetting and leveling effects, low odor, high transparency and wide applicability, can obviously improve the overall effects of solid wood furniture coating and dark color furniture coating, and improves the quality of furniture products. Due to the use of the hydroxyl acrylic resin, the clear finish has good compatibility, yellowing resistance, transparency and low-odor performance; the use of the leveling agent enables the clear finish paint to have better leveling property, wettability and surface smoothness; the cellulose acetate butyrate liquid ensures that the clear finish has good solvent release property, and the surface effect of a coating is improved; the matting powder ensures that the clear finish has relatively good transparency; the matching use of the components endows the clear finish paint of the invention with the advantages of excellent transparency, surface effect, wetting effect, low odor and the like.
Example 3:
a PU odorless high-transparency matte top-coat suitable for a woodware coating comprises a main paint, a curing agent and a diluent, wherein the mass ratio of the main paint to the curing agent to the diluent is 1:0.25: 1.4, and the main paint comprises the following components in percentage by mass: 50% of odor-free resin, 0.5% of dispersing agent, 0.2% of defoaming agent, 0.05% of polyester modified fluorocarbon leveling agent, 0.2% of fluorocarbon modified leveling agent, 3% of anti-settling agent, 20% of cellulose acetate butyrate liquid, 5% of propylene glycol methyl ether acetate (PMA), 1% of extinction powder, 8% of methyl isobutyl ketone (MIBK) and 12.05% of butyl acetate.
The odor-free resin is hydroxy acrylic resin, and the hydroxy acrylic resin reacts with a curing agent to form a film; the hydroxy acrylic resin and the cellulose acetate butyrate liquid have good compatibility and wettability, and the cellulose acetate butyrate liquid is mainly used for improving the solvent release property during film forming so as to achieve the effects of odor removal and flow-aiding and leveling of the resin and increase the wetting and leveling effects; the fluorocarbon modified leveling agent has excellent wetting leveling property, the leveling agent is mainly used for reducing surface tension for wetting leveling, and BYK310, EFKA3600 and TEGO245 are preferably selected as the leveling agent; the dispersing agent is beneficial to the dispersion of matting powder, resin, cellulose acetate butyrate and the like in the production process, can help to wet and is beneficial to the permeation of finish paint; the anti-settling agent is mainly used for preventing settling, the defoaming agent is mainly used for defoaming, and the organic matting powder and GRACE SY-7000 are preferably selected as the matting powder; the viscosity of the PU open finish is 800 +/-200 mPa.s/25 ℃, the open construction viscosity is 9-10s (rock field 2# cup), and the closed construction viscosity is 11-12s (rock field 2# cup).
The curing agent comprises the following components in percentage by mass: 40% of HDI tripolymer, 30% of TDI tripolymer and 30% of butyl acetate, wherein the HDI tripolymer is mainly used for cross-linking reaction with acrylic resin, can provide excellent yellowing resistance, prolongs the open leveling time of a paint film, and achieves a better wetting leveling effect, and the HDI tripolymer is preferably Wanhua HT-100.
The diluent comprises the following components in percentage by mass: 60% of dimethylbenzene, 20% of propylene glycol methyl ether acetate (PMA) and 20% of butyl acetate.
The PU odorless high-transparency matte top-coat suitable for the wood coating provided by the invention has the advantages of good wetting and leveling effects, low odor, high transparency and wide applicability, can obviously improve the overall effects of solid wood furniture coating and dark color furniture coating, and improves the quality of furniture products. Due to the use of the hydroxyl acrylic resin, the clear finish has good compatibility, yellowing resistance, transparency and low-odor performance; the use of the leveling agent enables the clear finish paint to have better leveling property, wettability and surface smoothness; the cellulose acetate butyrate liquid ensures that the clear finish has good solvent release property, and the surface effect of a coating is improved; the matting powder ensures that the clear finish has relatively good transparency; the matching use of the components endows the clear finish paint of the invention with the advantages of excellent transparency, surface effect, wetting effect, low odor and the like.
Example 4:
a PU odorless high-transparency matte top-coat suitable for a woodware coating comprises a main paint, a curing agent and a diluent, wherein the mass ratio of the main paint to the curing agent to the diluent is 1:0.23: 1.5, and the main paint comprises the following components in percentage by mass: 55% of odor-free resin, 1.7% of dispersing agent, 1% of defoaming agent, 0.1% of polyester modified fluorocarbon leveling agent, 0.2% of fluorocarbon modified leveling agent, 3% of anti-settling agent, 5% of cellulose acetate butyrate solution, 10% of propylene glycol methyl ether acetate (PMA), 5% of matting powder, 10% of methyl isobutyl ketone (MIBK) and 9% of butyl acetate.
The odor-free resin is hydroxy acrylic resin, and the hydroxy acrylic resin reacts with a curing agent to form a film; the hydroxy acrylic resin and the cellulose acetate butyrate liquid have good compatibility and wettability, and the cellulose acetate butyrate liquid is mainly used for improving the solvent release property during film forming so as to achieve the effects of odor removal and flow-aiding and leveling of the resin and increase the wetting and leveling effects; the fluorocarbon modified leveling agent has excellent wetting leveling property, the leveling agent is mainly used for reducing surface tension for wetting leveling, and BYK310, EFKA3600 and TEGO245 are preferably selected as the leveling agent; the dispersing agent is beneficial to the dispersion of matting powder, resin, cellulose acetate butyrate and the like in the production process, can help to wet and is beneficial to the permeation of finish paint; the anti-settling agent is mainly used for preventing settling, the defoaming agent is mainly used for defoaming, and the organic matting powder and GRACE SY-7000 are preferably selected as the matting powder; the viscosity of the PU open finish is 800 +/-200 mPa.s/25 ℃, the open construction viscosity is 9-10s (rock field 2# cup), and the closed construction viscosity is 11-12s (rock field 2# cup).
The curing agent comprises the following components in percentage by mass: 35% of HDI tripolymer, 15% of TDI tripolymer and 50% of butyl acetate, wherein the HDI tripolymer is mainly used for cross-linking reaction with acrylic resin, can provide excellent yellowing resistance, prolongs the open leveling time of a paint film, and achieves a better wetting leveling effect, and the HDI tripolymer is preferably Wanhua HT-100.
The diluent comprises the following components in percentage by mass: 30% of dimethylbenzene, 30% of propylene glycol methyl ether acetate (PMA) and 40% of butyl acetate.
The PU odorless high-transparency matte top-coat suitable for the wood coating provided by the invention has the advantages of good wetting and leveling effects, low odor, high transparency and wide applicability, can obviously improve the overall effects of solid wood furniture coating and dark color furniture coating, and improves the quality of furniture products. Due to the use of the hydroxyl acrylic resin, the clear finish has good compatibility, yellowing resistance, transparency and low-odor performance; the use of the leveling agent enables the clear finish paint to have better leveling property, wettability and surface smoothness; the cellulose acetate butyrate liquid ensures that the clear finish has good solvent release property, and the surface effect of a coating is improved; the matting powder ensures that the clear finish has relatively good transparency; the matching use of the components endows the clear finish paint of the invention with the advantages of excellent transparency, surface effect, wetting effect, low odor and the like.
Example 5:
a PU odorless high-transparency matte top-coat suitable for a woodware coating comprises a main paint, a curing agent and a diluent, wherein the mass ratio of the main paint to the curing agent to the diluent is 1:0.2: 1.3, and the main paint comprises the following components in percentage by mass: 53% of odor-free resin, 1.8% of dispersing agent, 0.3% of defoaming agent, 0.08% of polyester modified fluorocarbon leveling agent, 0.07% of fluorocarbon modified leveling agent, 1.5% of anti-settling agent, 15% of cellulose acetate butyrate liquid, 9% of propylene glycol methyl ether acetate (PMA), 3% of matting powder, 1% of methyl isobutyl ketone (MIBK) and 15.25% of butyl acetate.
The odor-free resin is hydroxy acrylic resin, and the hydroxy acrylic resin reacts with a curing agent to form a film; the hydroxy acrylic resin and the cellulose acetate butyrate liquid have good compatibility and wettability, and the cellulose acetate butyrate liquid is mainly used for improving the solvent release property during film forming so as to achieve the effects of odor removal and flow-aiding and leveling of the resin and increase the wetting and leveling effects; the fluorocarbon modified leveling agent has excellent wetting leveling property, the leveling agent is mainly used for reducing surface tension for wetting leveling, and BYK310, EFKA3600 and TEGO245 are preferably selected as the leveling agent; the dispersing agent is beneficial to the dispersion of matting powder, resin, cellulose acetate butyrate and the like in the production process, can help to wet and is beneficial to the permeation of finish paint; the anti-settling agent is mainly used for preventing settling, the defoaming agent is mainly used for defoaming, and the organic matting powder and GRACE SY-7000 are preferably selected as the matting powder; the viscosity of the PU open finish is 800 +/-200 mPa.s/25 ℃, the open construction viscosity is 9-10s (rock field 2# cup), and the closed construction viscosity is 11-12s (rock field 2# cup).
The curing agent comprises the following components in percentage by mass: the HDI trimer comprises 30% of HDI trimer, 20% of TDI trimer and 50% of butyl acetate, the HDI trimer is mainly used for being in cross-linking reaction with acrylic resin and can provide excellent yellowing resistance, open leveling time of a paint film is prolonged, a better wetting leveling effect is achieved, and the HDI trimer is preferably Wanhua HT-100.
The diluent comprises the following components in percentage by mass: 50% of dimethylbenzene, 25% of propylene glycol methyl ether acetate (PMA) and 25% of butyl acetate.
The PU odorless high-transparency matte top-coat suitable for the wood coating provided by the invention has the advantages of good wetting and leveling effects, low odor, high transparency and wide applicability, can obviously improve the overall effects of solid wood furniture coating and dark color furniture coating, and improves the quality of furniture products. Due to the use of the hydroxyl acrylic resin, the clear finish has good compatibility, yellowing resistance, transparency and low-odor performance; the use of the leveling agent enables the clear finish paint to have better leveling property, wettability and surface smoothness; the cellulose acetate butyrate liquid ensures that the clear finish has good solvent release property, and the surface effect of a coating is improved; the matting powder ensures that the clear finish has relatively good transparency; the matching use of the components endows the clear finish paint of the invention with the advantages of excellent transparency, surface effect, wetting effect, low odor and the like.
Through experimental verification in the five embodiments, compared with open paint, closed paint and the woodware coated with the clear finish, the PU odorless high-transparency matte clear finish has the gloss far higher than that of the existing open paint and closed paint, and the gloss can reach at least 1 minute, the product coated with the clear finish has more excellent transparency and definition, and the texture effect of wood grains is better displayed, the open effect of the product is also better than that of the existing PU open product, the board effect of the product is finer, the gloss is soft, and the smell is also obviously better than that of the existing PU product.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention shall fall within the protection scope of the present invention.
Claims (6)
1. The PU odorless high-transparency matte clear finishing paint suitable for the wood coatings is characterized in that: the paint comprises a main paint, a curing agent and a diluent, wherein the mass ratio of the main paint to the curing agent to the diluent is 1: 0.2-0.3: 1.3-1.6;
the main paint comprises the following components in percentage by mass:
45-55% of odor-free resin, 0.5-2% of dispersant, 0.2-1% of defoaming agent, 0.05-0.1% of polyester modified fluorocarbon leveling agent, 0.05-0.2% of fluorocarbon modified leveling agent, 1-3% of anti-settling agent, 5-20% of cellulose acetate butyrate liquid, 5-10% of PMA, 1-5% of matting powder, 1-10% of MIBK and the balance of butyl acetate.
2. The PU odorless high-transparency matte clear finishing paint suitable for the wood coatings is characterized in that: the mass ratio of the main paint to the curing agent to the diluent is 1:0.2: 1.6.
3. The PU odorless high-transparency matte clear finishing paint suitable for the wood coatings is characterized in that: the mass ratio of the main paint to the curing agent to the diluent is 1:0.3: 1.3.
4. The PU odorless high-transparency matte clear finish suitable for the wood coating according to any one of claims 1 to 3, which is characterized in that: the curing agent comprises the following components in percentage by mass: 20-40% of HDI tripolymer, 0-30% of TDI tripolymer and 30-70% of butyl acetate.
5. The PU odorless high-transparency matte clear finish suitable for the wood coating according to any one of claims 1 to 3, which is characterized in that: the diluent comprises the following components in percentage by mass: 40-60% of dimethylbenzene, 20-40% of PMA20 and 20-40% of butyl acetate.
6. The PU odorless high-transparency matte clear finish suitable for the wood coating according to claim 1, which is characterized in that: the odor-free resin is hydroxy acrylic resin.
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111978848A (en) * | 2020-09-17 | 2020-11-24 | 福州展辰新材料有限公司 | Yellowing-resistant dull odor-free PU polyurethane clear finish and preparation method thereof |
| CN112724811A (en) * | 2020-12-28 | 2021-04-30 | 东莞大宝化工制品有限公司 | Solvent type polyurethane finish paint with skin touch feeling and preparation method thereof |
| CN114015341A (en) * | 2021-12-01 | 2022-02-08 | 河南立邦长润发科技材料有限公司 | PU low-matte high-transmittance matte top-coat for dyeing veneers |
| CN116355513A (en) * | 2023-02-16 | 2023-06-30 | 广东立邦长润发科技材料有限公司 | Automotive interior solid wood paint and preparation method thereof |
| CN116410652A (en) * | 2023-02-22 | 2023-07-11 | 上海立邦长润发涂料有限公司 | PU high-transparency yellowing-resistant open primer and preparation method thereof |
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| CN111978848A (en) * | 2020-09-17 | 2020-11-24 | 福州展辰新材料有限公司 | Yellowing-resistant dull odor-free PU polyurethane clear finish and preparation method thereof |
| CN112724811A (en) * | 2020-12-28 | 2021-04-30 | 东莞大宝化工制品有限公司 | Solvent type polyurethane finish paint with skin touch feeling and preparation method thereof |
| CN114015341A (en) * | 2021-12-01 | 2022-02-08 | 河南立邦长润发科技材料有限公司 | PU low-matte high-transmittance matte top-coat for dyeing veneers |
| CN116355513A (en) * | 2023-02-16 | 2023-06-30 | 广东立邦长润发科技材料有限公司 | Automotive interior solid wood paint and preparation method thereof |
| CN116410652A (en) * | 2023-02-22 | 2023-07-11 | 上海立邦长润发涂料有限公司 | PU high-transparency yellowing-resistant open primer and preparation method thereof |
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