CN111138921A - Preparation method of water-based single-component high-transparency full-matte finish paint - Google Patents
Preparation method of water-based single-component high-transparency full-matte finish paint Download PDFInfo
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- CN111138921A CN111138921A CN201911084219.3A CN201911084219A CN111138921A CN 111138921 A CN111138921 A CN 111138921A CN 201911084219 A CN201911084219 A CN 201911084219A CN 111138921 A CN111138921 A CN 111138921A
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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
- 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
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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
- C09D7/42—Gloss-reducing agents
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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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- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Paints Or Removers (AREA)
Abstract
The invention discloses a preparation method of a water-based single-component high-transparency full-matte finish paint, which comprises the following steps: cleaning a dispersion cylinder and a shaft disc, accurately weighing emulsion type acrylic copolymer, pouring the emulsion type acrylic copolymer into a production cylinder, and keeping the rotation speed at 500r/min for 5 min; and (2) sequentially and slowly adding the defoaming agent, the film-forming assistant, the cosolvent and the base material wetting dispersant into deionized water at the rotating speed of 700-800 rpm, uniformly stirring, wherein the dispersing time is 10-20 min, and the scraper plate has the detection fineness of less than 45um and no shrinkage cavity. The water-based single-component transparent matte finish paint prepared by adopting the unique flatting agent has very good transparent effect: compared with the prior water-based woodware low-gloss matte transparent finish paint, the paint film has no obvious whitening and covering; the fullness is high, and the hand feeling scratch resistance of the paint film is better than that of the conventional matte paint.
Description
Technical Field
The invention relates to the technical field of coatings for water-based woodware surfaces, in particular to a preparation method of a water-based single-component high-transparency full-matte finish paint.
Background
The existing water-based woodware matte finish paint in the furniture market basically adopts various silicon dioxide matting powders or high-viscosity matting emulsions to prepare the matte finish paint, and the problems of poor transparency, haziness, covering of wood grains, unobvious display and the like are caused often because the matting powders and the emulsions have poor compatibility, so that the decoration effect is seriously influenced, and the requirements of customers cannot be met.
Chinese patent application No. CN108676435A discloses a water-based transparent seal primer coating capable of preventing solid wood from cracking and a preparation and construction process thereof, which comprises the following steps of (1) dispersing emulsion type acrylic copolymer at the condition of 500r/min of rotation speed; (2) sequentially adding the defoaming agent, the film-forming assistant, the cosolvent and the base material wetting dispersant into deionized water and uniformly stirring; (3) adding thickener to adjust viscosity, adding antiseptic, stirring, filtering, and packaging. The water-based transparent seal primer coating capable of preventing solid wood from cracking and the preparation and construction processes thereof in the patents have the following defects: the paint produced by the construction process has low transparency, and can turn yellow and have short service life after being used for a long time.
Disclosure of Invention
The invention aims to solve the defects in the prior art and provides a preparation method of a water-based single-component high-transparency full-matte finish paint.
In order to achieve the purpose, the invention adopts the following technical scheme:
a preparation method of a water-based single-component high-transparency full-matte finish paint comprises the following raw material components in parts by weight: 60-80% of emulsion type acrylic copolymer, 2-5% of deionized water, 0.1-0.3% of defoaming agent, 3-6% of film-forming additive, 0.5-1% of cosolvent, 0.2-0.5% of substrate wetting agent, 0.2-0.5% of thickening agent, 0.1-0.2% of preservative, 0.3-0.5% of hand feeling agent, 6.0-8.0% of flatting agent, 0.5-1% of anti-yellowing additive and 2-5% of matte powder; 0.5 to 2 percent of anti-settling agent.
The preparation method comprises the following steps:
s01: cleaning a dispersion cylinder and a shaft disc, accurately weighing emulsion type acrylic copolymer, pouring the emulsion type acrylic copolymer into a production cylinder, and keeping the rotation speed at 500r/min for 5 min;
s02: sequentially and slowly adding a defoaming agent, a film-forming assistant, a cosolvent and a base material wetting dispersant into deionized water at the rotating speed of 700-800 rpm, uniformly stirring, wherein the dispersing time is 10-20 min, and the scraper plate has the detection fineness of less than 45um and no shrinkage cavity;
and S03, adding a thickening agent under the condition of the rotation speed of 500rpm to adjust the viscosity to be within the required standard range, adding a delustering agent and a preservative, stirring for 15-20min, filtering and packaging.
As a still further scheme of the invention: the aqueous dispersion of the emulsion type acrylic copolymer is an acrylic emulsion with the glass transition temperature Tg of 38-52 ℃, the minimum film-forming temperature MFT of about 35 ℃ and the solid content of 42 +/-1%.
As a still further scheme of the invention: the defoaming agent is a water-based organic silicon defoaming agent.
As a still further scheme of the invention: the film-forming assistant is at least one of dipropylene glycol dimethyl ether, dipropylene glycol butyl ether and ethylene glycol tert-butyl ether.
As a still further scheme of the invention: the cosolvent is propylene glycol or ethylene glycol.
As a still further scheme of the invention: the base material wetting agent is a silicone.
As a still further scheme of the invention: the thickening agent is an associative polyurethane thickening agent which does not contain alkylphenol polyoxyethylene ether APEO and tin compounds.
As a further scheme of the invention: the raw material components comprise the following components in parts by weight: 65-80% of emulsion type acrylic copolymer, 3-4% of deionized water, 0.1-0.3% of defoaming agent, 4-5% of film-forming additive, 0.5-1% of cosolvent, 0.2-0.5% of substrate wetting agent, 0.2-0.5% of thickening agent, 0.1-0.2% of preservative, 0.3-0.4% of hand feeling agent, 6.5-7.5% of flatting agent, 0.5-1% of anti-yellowing additive and 3-4% of matte powder; 1 to 1.5 percent of anti-settling agent.
As a further scheme of the invention: the raw material components comprise the following components in parts by weight: 75% of emulsion type acrylic copolymer, 4% of deionized water, 0.2% of defoaming agent, 5% of film-forming aid, 1% of cosolvent, 0.4% of substrate wetting agent, 0.4% of thickening agent, 0.2% of preservative, 0.4% of hand feeling agent, 7.0% of flatting agent, 1% of anti-yellowing aid and 4% of matte powder; the anti-settling agent is 1.4 percent.
As a still further scheme of the invention: the construction process of the preparation method comprises the following steps:
s11, adjusting the construction viscosity: if the brush coating construction is carried out, 5 to 10 percent of water is added, and the viscosity is controlled to be 30 to 35 seconds in the No. 2 cup of the rock field; if the spraying construction is carried out, 10-15% of water is added, the viscosity is controlled to be 25-30 s in a No. 2 cup of a rock field, the paint is adjusted to be proper in viscosity and then stands for 10-15 min, and then the filtering construction is carried out;
s12, controlling the coating amount to be 90-100 g/square meter, naturally drying at normal temperature to form a transparent paint film, slightly wiping the paint film with 800 plus 1000-mesh sand paper after drying, and constructing a finish coat after the paint film cannot be wiped.
The invention has the beneficial effects that: the water-based single-component transparent matte finish paint prepared by adopting the unique flatting agent has very good transparent effect: compared with the prior water-based woodware low-gloss matte transparent finish paint, the paint film has no obvious whitening and covering; the fullness is high, and the hand feeling and scratch resistance of a paint film are better than those of a conventional matte paint; the effects on tolerance and the like are consistent with those of conventional products; adding matte powder and an anti-yellowing auxiliary agent; the transparency is improved, the matte effect is increased, and the service life of the paint is prolonged.
Detailed Description
The technical solution of the present patent will be described in further detail with reference to the following embodiments. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.
Example 1
A preparation method of a water-based single-component high-transparency full-matte finish paint comprises the following raw material components in parts by weight: 60-80% of emulsion type acrylic copolymer, 2-5% of deionized water, 0.1-0.3% of defoaming agent, 3-6% of film-forming additive, 0.5-1% of cosolvent, 0.2-0.5% of substrate wetting agent, 0.2-0.5% of thickening agent, 0.1-0.2% of preservative, 0.3-0.5% of hand feeling agent, 6.0-8.0% of flatting agent, 0.5-1% of anti-yellowing additive and 2-5% of matte powder; 0.5 to 2 percent of anti-settling agent.
The aqueous dispersion of the emulsion type acrylic copolymer is an acrylic emulsion with the glass transition temperature Tg of 38-52 ℃, the minimum film-forming temperature MFT of about 35 ℃ and the solid content of 42 +/-1%.
The defoaming agent is a water-based organic silicon defoaming agent.
The film-forming assistant is at least one of dipropylene glycol dimethyl ether, dipropylene glycol butyl ether and ethylene glycol tert-butyl ether.
The cosolvent is propylene glycol or ethylene glycol.
The base material wetting agent is a silicone.
The thickening agent is an associative polyurethane thickening agent which does not contain alkylphenol polyoxyethylene ether APEO and tin compounds.
The preservative is a non-oxidative bactericidal preservative free of formaldehyde and VOC.
The process of the water-based single-component matte finish paint comprises the following steps:
s01: cleaning a dispersion cylinder and a shaft disc, accurately weighing emulsion type acrylic copolymer, pouring the emulsion type acrylic copolymer into a production cylinder, and keeping the rotation speed at 500r/min for 5 min;
s02: sequentially and slowly adding a defoaming agent, a film-forming assistant, a cosolvent and a base material wetting dispersant into deionized water at the rotating speed of 700-800 rpm, uniformly stirring, wherein the dispersing time is 10-20 min, and the scraper plate has the detection fineness of less than 45um and no shrinkage cavity;
and S03, adding a thickening agent under the condition of the rotation speed of 500rpm to adjust the viscosity to be within the required standard range, adding a delustering agent and a preservative, stirring for 15-20min, filtering and packaging.
The construction process of the water-based single-component matte finish paint comprises the following steps:
s11, adjusting the construction viscosity: if the brush coating construction is carried out, 5 to 10 percent of water is added, and the viscosity is controlled to be 30 to 35 seconds in the No. 2 cup of the rock field; if the spraying construction is carried out, 10-15% of water is added, the viscosity is controlled to be 25-30 s in a No. 2 cup of a rock field, the paint is adjusted to be proper in viscosity and then stands for 10-15 min, and then the filtering construction is carried out;
s12, controlling the coating amount to be 90-100 g/square meter, naturally drying at normal temperature to form a transparent paint film, slightly wiping the paint film with 800 plus 1000-mesh sand paper after drying, and constructing a finish coat after the paint film cannot be wiped.
Example 2
A preparation method of a water-based single-component high-transparency full-matte finish paint comprises the following raw material components in parts by weight: 65-80% of emulsion type acrylic copolymer, 3-4% of deionized water, 0.1-0.3% of defoaming agent, 4-5% of film-forming additive, 0.5-1% of cosolvent, 0.2-0.5% of substrate wetting agent, 0.2-0.5% of thickening agent, 0.1-0.2% of preservative, 0.3-0.4% of hand feeling agent, 6.5-7.5% of flatting agent, 0.5-1% of anti-yellowing additive and 3-4% of matte powder; 1 to 1.5 percent of anti-settling agent.
Example 3
A preparation method of a water-based single-component high-transparency full-matte finish paint comprises the following raw material components in parts by weight: 75% of emulsion type acrylic copolymer, 4% of deionized water, 0.2% of defoaming agent, 5% of film-forming aid, 1% of cosolvent, 0.4% of substrate wetting agent, 0.4% of thickening agent, 0.2% of preservative, 0.4% of hand feeling agent, 7.0% of flatting agent, 1% of anti-yellowing aid and 4% of matte powder; the anti-settling agent is 1.4 percent.
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 (10)
1. A preparation method of a water-based single-component high-transparency full-matte finish paint is characterized by comprising the following raw material components in parts by weight: 60-80% of emulsion type acrylic copolymer, 2-5% of deionized water, 0.1-0.3% of defoaming agent, 3-6% of film-forming additive, 0.5-1% of cosolvent, 0.2-0.5% of substrate wetting agent, 0.2-0.5% of thickening agent, 0.1-0.2% of preservative, 0.3-0.5% of hand feeling agent, 6.0-8.0% of flatting agent, 0.5-1% of anti-yellowing additive and 2-5% of matte powder; 0.5 to 2 percent of anti-settling agent;
the preparation method comprises the following steps:
s01: cleaning a dispersion cylinder and a shaft disc, accurately weighing emulsion type acrylic copolymer, pouring the emulsion type acrylic copolymer into a production cylinder, and keeping the rotation speed at 500r/min for 5 min;
s02: sequentially and slowly adding a defoaming agent, a film-forming assistant, a cosolvent and a base material wetting dispersant into deionized water at the rotating speed of 700-800 rpm, uniformly stirring, wherein the dispersing time is 10-20 min, and the scraper plate has the detection fineness of less than 45um and no shrinkage cavity;
and S03, adding a thickening agent under the condition of the rotation speed of 500rpm to adjust the viscosity to be within the required standard range, adding a delustering agent and a preservative, stirring for 15-20min, filtering and packaging.
2. The preparation method of the aqueous single-component high-transparency full-matte finishing paint as claimed in claim 1, wherein the aqueous dispersion of the emulsion type acrylic copolymer is an acrylic emulsion with a glass transition temperature Tg of 38-52 ℃, a minimum film-forming temperature MFT of about 35 ℃ and a solid content of 42 +/-1%.
3. The preparation method of the water-based single-component high-transparency full-matte finishing paint according to claim 1, wherein the defoaming agent is a water-based organic silicon defoaming agent.
4. The preparation method of the waterborne one-component high-transparency full-matte finishing paint according to claim 1, wherein the film-forming assistant is at least one of dipropylene glycol dimethyl ether, dipropylene glycol butyl ether and ethylene glycol tert-butyl ether.
5. The preparation method of the water-based single-component high-transparency full-matte finish paint according to claim 1, wherein the cosolvent is propylene glycol or ethylene glycol.
6. The preparation method of the water-based single-component high-transparency full-matte finishing paint according to claim 1, wherein the base material wetting agent is an organic silicon.
7. The preparation method of the aqueous one-component high-transparency full-matte finish paint according to claim 1, wherein the thickener is an associative polyurethane thickener without alkylphenol ethoxylates (APEO) and tin compounds.
8. The preparation method of the water-based single-component high-transparency full-matte finishing paint according to claim 7, wherein the construction process of the preparation method comprises the following steps:
s11, adjusting the construction viscosity: if the brush coating construction is carried out, 5 to 10 percent of water is added, and the viscosity is controlled to be 30 to 35 seconds in the No. 2 cup of the rock field; if the spraying construction is carried out, 10-15% of water is added, the viscosity is controlled to be 25-30 s in a No. 2 cup of a rock field, the paint is adjusted to be proper in viscosity and then stands for 10-15 min, and then the filtering construction is carried out;
s12, controlling the coating amount to be 90-100 g/square meter, naturally drying at normal temperature to form a transparent paint film, slightly wiping the paint film with 800 plus 1000-mesh sand paper after drying, and constructing a finish coat after the paint film cannot be wiped.
9. The preparation method of the water-based single-component high-transparency full-matte finishing paint according to claim 1, wherein the raw material components comprise the following components in parts by weight: 65-80% of emulsion type acrylic copolymer, 3-4% of deionized water, 0.1-0.3% of defoaming agent, 4-5% of film-forming additive, 0.5-1% of cosolvent, 0.2-0.5% of substrate wetting agent, 0.2-0.5% of thickening agent, 0.1-0.2% of preservative, 0.3-0.4% of hand feeling agent, 6.5-7.5% of flatting agent, 0.5-1% of anti-yellowing additive and 3-4% of matte powder; 1 to 1.5 percent of anti-settling agent.
10. The preparation method of the water-based single-component high-transparency full-matte finishing paint according to claim 9, wherein the raw material components comprise the following components in parts by weight: 75% of emulsion type acrylic copolymer, 4% of deionized water, 0.2% of defoaming agent, 5% of film-forming aid, 1% of cosolvent, 0.4% of substrate wetting agent, 0.4% of thickening agent, 0.2% of preservative, 0.4% of hand feeling agent, 7.0% of flatting agent, 1% of anti-yellowing aid and 4% of matte powder; the anti-settling agent is 1.4 percent.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911084219.3A CN111138921A (en) | 2019-11-07 | 2019-11-07 | Preparation method of water-based single-component high-transparency full-matte finish paint |
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| CN201911084219.3A CN111138921A (en) | 2019-11-07 | 2019-11-07 | Preparation method of water-based single-component high-transparency full-matte finish paint |
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Citations (9)
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|---|---|---|---|---|
| CN1603373A (en) * | 2003-09-29 | 2005-04-06 | 上海富臣化工有限公司 | Colored polyurethane (PU polyester) antibacterial wood paint |
| US20100252194A1 (en) * | 2005-06-07 | 2010-10-07 | S.C. Johnson & Son, Inc. | Composition for application to a surface |
| CN103525255A (en) * | 2013-10-24 | 2014-01-22 | 成都展辰化工有限公司 | Environment-friendly type bright white finish with high solid content and high fullness for woodware |
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| CN108676435A (en) * | 2018-04-28 | 2018-10-19 | 佛山市莱威化工科技有限公司 | It can prevent the aqueous transparent seal coat coating and its preparation and construction technology that solid wood cracks |
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2019
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| US20100252194A1 (en) * | 2005-06-07 | 2010-10-07 | S.C. Johnson & Son, Inc. | Composition for application to a surface |
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| DE102016209294A8 (en) * | 2016-05-30 | 2018-01-25 | Mitsubishi Polyester Film Gmbh | Biaxially oriented, UV stabilized, single or multilayer polyester film with at least one antireflective coating on one side and a transparency of at least 93.5% |
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| CN109554933A (en) * | 2018-12-13 | 2019-04-02 | 成都巴德富科技有限公司 | A kind of aqueous dumb light high durable environmental protection painting canvas coating material and preparation method thereof |
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