CN104592840A - Scratch-endurable high-performance aqueous semi-dumb white paint for woodwork and preparation method thereof - Google Patents
Scratch-endurable high-performance aqueous semi-dumb white paint for woodwork and preparation method thereof Download PDFInfo
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- CN104592840A CN104592840A CN201410840314.2A CN201410840314A CN104592840A CN 104592840 A CN104592840 A CN 104592840A CN 201410840314 A CN201410840314 A CN 201410840314A CN 104592840 A CN104592840 A CN 104592840A
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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
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- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
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- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
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- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
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- 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
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Abstract
The invention relates to a scratch-endurable high-performance aqueous semi-dumb white paint for woodwork and a preparation method thereof. Specifically, the invention relates to an aqueous white paint for woodwork and belongs to the field of building decorative paint. The invention provides a scratch-endurable high-performance aqueous semi-dumb white paint for woodwork which is prepared mainly by the following raw materials in parts by weight: 55-70 parts of aqueous pure methacrylate resin dispersion, 0.1-0.2 part of aqueous multi-functional adjuvant, 0.2-0.6 part of aqueous disperser, 0.2-0.4 part of aqueous wetting agent, 16-22 parts of titanium pigment, 3-6 parts of film-forming agent, 0.5-1.5 parts of anti-freezer, 0.2-0.4 part of aqueous anti-foam agent, 0.1-0.2 part of antiseptic and bactericidal agent, 0.4-1.2 parts of aqueous leveling agent, 1-3 parts of wax emulsion, 0.6-1.2 parts of aqueous thickener and 5-10 parts of water. The aqueous semi-dumb white paint for woodwork prepared by the invention is characterized by excellent scratch durability, high rigidity and good water resistance and chemical resistance.
Description
Technical field
The present invention relates to architectural decoration paint field, be specifically related to mute white finish paint of the high-performance water-based woodenware of a kind of damage resistant half and preparation method thereof.
Background technology
Early 1990s, World Developed Countries just starts " Green Revolution ", drives paint industry to stride forward to the large step of " green " line of production.2008, European Union completely forbade the production of solvent based coating.Look about domestic, although Chinese Government does not expressly forbid the use of solvent based coating, but, from all kinds of newest standards---compulsory standard " indoor decorating and refurnishing materials interior wall coating limits of harmful substances " (GB 18582-2008) that country implements for 5 years; On June 1st, 2010, formal enforcement national newest standards---compulsory standard GB24410-2009 " in indoor decorating and refurnishing materials water-borne wood coating limits of harmful substances "; On July 1st, 2010, come into effect standard GB/T/T 23999-2009 " interior decoration use woodwork coating ".
Since entering 21 century, perfect further along with environmental regulation, to alleviate the research of low VOC or the Diamond Search discharge new coating launched for the purpose of earth load, becomes the focus of research and development just increasingly.For this reason, aqueous woodware paint is subject to people's attention due to the environmental-protecting performance of its excellence, and grows up gradually, keeps rapid growth situation in recent years.But, aqueous woodware paint is because its filmogen is through hydrophilic modifying, make water-fast chemical resistance degradation, usually, preparation dumb light wood lacquer carries out delustring by adding dumb light powder (silicon-dioxide), but the membership that adds of dumb light powder makes water-fast and chemical resistance decline further.The film process of aqueous woodware paint is divided into the volatilization of moisture, the accumulation of latex particle, fusion, film forming, and film process easily produces defect, makes the poor performance such as hardness, scratch resistance.The deficiency of these performances seriously hinders the application and development of aqueous wooden ware.
Summary of the invention
In order to solve the above-mentioned problems in the prior art, the invention provides mute white finish paint of the high-performance water-based woodenware of a kind of damage resistant half and preparation method thereof, the mute white finish paint of aqueous wooden ware half prepared by the present invention has excellent scratch resistance, hardness is high, water-fast and chemical resistant properties is good.
Technical scheme of the present invention provides the mute white finish paint of the high-performance water-based woodenware of a kind of damage resistant half, formulated by following weight proportion primarily of following raw material:
1. water-based pure acrylic resin dispersion 55-70 part,
2. water-soluble multifunctional auxiliary agent 0.1-0.2 part,
3. aqueous dispersant 0.2-0.6 part,
4. aqueous wetting agent 0.2-0.4,
5. titanium dioxide 16-22 part,
6. film coalescence aid 3-6 part,
7. frostproofer 0.5-1.5 part,
8. water-based defoamer 0.2-0.4 part,
9. anticorrosion and bactericidal agent 0.1-0.2 part,
10. water-based flow agent 0.4-1.2 part,
11. wax emulsion 1-3 parts,
12. water-based thickener 0.6-1.2 parts,
13. water 5-10 parts.
Water-based pure acrylic resin dispersion, titanium dioxide, film coalescence aid in said components, wax emulsion and water-based flow agent are the components of necessity of the mute white finish paint of preparation damage resistant of the present invention high-performance water-based woodenware half;
Described filmogen adopts water-based pure acrylic resin dispersion, refer to that outward appearance is that oyster white is translucent, admittedly containing 42 ± 1%, minimum film-forming temperature (MFFT), the pure acrylic resin dispersion with nucleocapsid structure and self-crosslinking of 30-40 DEG C, has the advantages that water resistance is good, hardness is high.
Described water-soluble multifunctional auxiliary agent is DOW Chemical AMP-95, makes system pH keep slight alkalinity;
The poly carboxylic acid ammonium salt dispersion agent of what described aqueous dispersant adopted is hydrophobically modified, has good dispersiveness and water tolerance.
Described aqueous wetting agent is nonionic surface active agent, has well wetting Viscosity-reducing to color stuffing.
Described titanium dioxide is that a kind of chlorination process produces universal TiO 2 pigment, has excellent weathering resistance, gloss retention and resistance to chalking, is easy to moistening and in water-based system, has fabulous dispersiveness, high covering power.
Described film coalescence aid is one or both in dipropylene glycol monomethyl ether, Dipropylene glycol mono-n-butyl Ether, is conducive to paint liquid homogeneous film formation at low temperatures;
Described frostproofer is propylene glycol, plays the effect reducing paint liquid freezing point and prevent paint liquid low temperature freezing;
Described sanitas is isothiazolinone disinfecting agent, plays antisepsis and sterilization effect;
Described water-based defoamer is one or both in the polydimethylsiloxane defoamer of mineral oil origin and special modification, has good to press down bubble property and defoaming, prevents from producing bubble in painting and construction process;
Described water-based flow agent is hydrophobically modified urethane rheology modifier and Siloxane-Oxyalkylene Copolymers solution, hydrophobically modified urethane rheology modifier has splendid flowing and levelling property, and it is good to the thickening effectiveness of ACRYLIC EMULSION, Siloxane-Oxyalkylene Copolymers solution strongly can reduce surface tension thus promote the wetting of ground, also promotes flowing and levelling simultaneously;
Described wax emulsion is high rigidity polyethylene wax aqueous dispersion, and particle diameter about 7 μm, has photoextinction, can improve wear-resisting, damage resistant and resistance to bond.
Described water-based thickener is one or both in non-ionic polyurethane associative thickener, alkali swelling type thickening material, for regulation system viscosity, improves anti-splashing and increases paint film fullness ratio and prevent color stuffing from sinking to the bottom;
Described water is general tap water, for disperseing color stuffing titanium dioxide and regulating making beating viscosity.
The collocation of said components and the weight proportion of each component are determined by great many of experiments, and aforesaid combination and weight proportion make that the mute white finish paint of the high-performance water-based woodenware of the damage resistant prepared by the present invention half has excellent scratch resistance, hardness is high, water-fast and chemical resistant properties is good.
Concrete steps prepared by the mute white finish paint of the high-performance water-based woodenware of a kind of damage resistant of the present invention half are as follows:
(1) select suitable dispersion cylinder, first add water 4-6 part, water-soluble multifunctional auxiliary agent 0.1-0.2 part, aqueous dispersant 0.2-0.6 part, aqueous wetting agent 0.2-0.4, frostproofer 0.5-1.5 part, starting dispersion machine adjustment rotating speed is 300-500 rev/min, dispersion 1-2 minute, raising rotating speed is 500-800 rev/min, adds water-based defoamer 0.1-0.2 part, titanium dioxide 16-22 part, adjustment rotating speed is 1000-1500 rev/min, dispersion 15-25 minute;
(2) reducing rotating speed is 500-800 rev/min, detects fineness whether≤30 μm, as fineness≤30 μm, then carries out (3);
By above-mentioned steps, usual fineness all can≤30 μm, if do not reached, redispersible for some time is detected again, if long-time decentralized detection does not all reach requirement, illustrates that raw material may have problems, can abandon this paint liquid;
(3) adjusting dispersing speed is 500-800 rev/min, slowly adds water-based pure acrylic resin dispersion 55-70 part under this rotating speed;
(4) container is separately got, add film coalescence aid 3-6 part, anticorrosion and bactericidal agent 0.1-0.2 part, water-based defoamer 0.1-0.2 part and water 1-4 part, mix, slowly add under rotating speed is 500-800 rev/min in (3), then water-based flow agent 0.4-1.2 part is added successively, wax emulsion 1-3 part and water-based thickener 0.6-1.2 part, dispersion 10-20 minute, crosses 200 mesh filter screens.
Compared with prior art, advantage of the present invention is: (1) hardness is high, adhesion strength good: what filmogen of the present invention adopted is minimum film-forming temperature (MFFT) 30-40 DEG C there is nucleocapsid structure pure acrylic resin dispersion, high minimum film-forming temperature makes hardness of paint film high, resistance to marring is good, and by adding high rigidity polyethylene wax aqueous dispersion, the high rigidity wax grain on surface plays the effect being similar to bearing lubrication, can improve resistance to marring and the feel of paint film.(2) water-fast, chemical resistance good: filmogen pure acrylic resin dispersion of the present invention has self-crosslinking performance, the reticulated structure formed after crosslinked has good water-fast and chemical resistance, and the present invention is by adding a large amount of filler titanium dioxides and wax emulsion and delustring, avoid and adding of mute powder water tolerance is deteriorated, the poly carboxylic acid ammonium salt dispersion agent of what simultaneously dispersion agent adopted is hydrophobically modified, also further ensures the water tolerance of paint film.
Embodiment
Below by embodiment, the present invention will be further described:
In following embodiment, all according to each embodiment experimental result of national standard (GB/T23999-2009) category-B product test:
Technical scheme of the present invention provides the mute white finish paint of the high-performance water-based woodenware of a kind of damage resistant half, formulated by following weight proportion primarily of following raw material: water-based pure acrylic resin dispersion 55-70 part, water-soluble multifunctional auxiliary agent 0.1-0.2 part, aqueous dispersant 0.2-0.6 part, aqueous wetting agent 0.2-0.4, titanium dioxide 16-22 part, film coalescence aid 3-6 part, frostproofer 0.5-1.5 part, water-based defoamer 0.2-0.4 part, anticorrosion and bactericidal agent 0.1-0.2 part, water-based flow agent 0.4-1.2 part, wax emulsion 1-3 part, water-based thickener 0.6-1.2 part, water 5-10 part.
Embodiment one:
The mute white finish paint of a kind of damage resistant high-performance water-based woodenware half, formulated by following weight proportion primarily of following raw material:
Water-based pure acrylic resin dispersion 55-70 part, water-soluble multifunctional auxiliary agent 0.1-0.2 part, aqueous dispersant 0.2-0.6 part, aqueous wetting agent 0.2-0.4, titanium dioxide 16-22 part, film coalescence aid 3-6 part, frostproofer 0.5-1.5 part, water-based defoamer 0.2-0.4 part, anticorrosion and bactericidal agent 0.1-0.2 part, water-based flow agent 0.4-1.2 part, wax emulsion 1-3 part, water-based thickener 0.6-1.2 part, water 5-10 part.
Concrete steps prepared by the mute white finish paint of the high-performance water-based woodenware of this damage resistant half are as follows:
(1) select suitable dispersion cylinder, first add 5 parts, water, water-soluble multifunctional auxiliary agent 0.1 part, aqueous dispersant 0.4 part, aqueous wetting agent 0.2, frostproofer 1 part, starting dispersion machine adjustment rotating speed is 400 revs/min, disperse 2 minutes, raising rotating speed is 500-800 rev/min, adds water-based defoamer 0.1 part, titanium dioxide 20 parts, adjustment rotating speed is 1000-1500 rev/min, disperses 20 minutes;
(2) reducing rotating speed is 500-800 rev/min, detects fineness whether≤30 μm, as fineness≤30 μm, then carries out (3);
By above-mentioned steps, usual fineness all can≤30 μm, if do not reached, redispersible for some time is detected again, if long-time decentralized detection does not all reach requirement, illustrates that raw material may have problems, can abandon this paint liquid;
(3) adjusting dispersing speed is 500-800 rev/min, slowly adds water-based pure acrylic resin dispersion 61.4 parts under this rotating speed;
(4) container is separately got, add film coalescence aid 4.5 parts, anticorrosion and bactericidal agent 0.1 part, water-based defoamer 0.1 part and 3 parts, water, mix, slowly add under rotating speed is 500-800 rev/min in (3), then water-based flow agent 1 part is added successively, wax emulsion 2 parts and water-based thickener 1 part, dispersion 10-20 minute, crosses 200 mesh filter screens.
Embodiment two:
The mute white finish paint of a kind of damage resistant high-performance water-based woodenware half, formulated by following weight proportion primarily of following raw material:
Water-based pure acrylic resin dispersion 55-70 part, water-soluble multifunctional auxiliary agent 0.1-0.2 part, aqueous dispersant 0.2-0.6 part, aqueous wetting agent 0.2-0.4, titanium dioxide 16-22 part, film coalescence aid 3-6 part, frostproofer 0.5-1.5 part, water-based defoamer 0.2-0.4 part, anticorrosion and bactericidal agent 0.1-0.2 part, water-based flow agent 0.4-1.2 part, wax emulsion 1-3 part, water-based thickener 0.6-1.2 part, water 5-10 part.
Concrete steps prepared by the mute white finish paint of the high-performance water-based woodenware of this damage resistant half are as follows:
(1) select suitable dispersion cylinder, first add 5 parts, water, water-soluble multifunctional auxiliary agent 0.1 part, aqueous dispersant 0.4 part, aqueous wetting agent 0.2, frostproofer 1 part, starting dispersion machine adjustment rotating speed is 400 revs/min, disperse 2 minutes, raising rotating speed is 500-800 rev/min, adds water-based defoamer 0.1 part, titanium dioxide 20 parts, adjustment rotating speed is 1000-1500 rev/min, disperses 20 minutes;
(2) reducing rotating speed is 500-800 rev/min, detects fineness whether≤30 μm, as fineness≤30 μm, then carries out (3);
By above-mentioned steps, usual fineness all can≤30 μm, if do not reached, redispersible for some time is detected again, if long-time decentralized detection does not all reach requirement, illustrates that raw material may have problems, can abandon this paint liquid;
(3) adjusting dispersing speed is 500-800 rev/min, slowly adds water-based pure acrylic resin dispersion 60.4 parts under this rotating speed;
(4) container is separately got, add film coalescence aid 4.5 parts, anticorrosion and bactericidal agent 0.1 part, water-based defoamer 0.1 part and 3 parts, water, mix, slowly add under rotating speed is 500-800 rev/min in (3), then water-based flow agent 1 part is added successively, wax emulsion 3 parts and water-based thickener 1 part, dispersion 10-20 minute, crosses 200 mesh filter screens.
Embodiment three:
The mute white finish paint of a kind of damage resistant high-performance water-based woodenware half, formulated by following weight proportion primarily of following raw material:
Water-based pure acrylic resin dispersion 55-70 part, water-soluble multifunctional auxiliary agent 0.1-0.2 part, aqueous dispersant 0.2-0.6 part, aqueous wetting agent 0.2-0.4, titanium dioxide 16-22 part, film coalescence aid 3-6 part, frostproofer 0.5-1.5 part, water-based defoamer 0.2-0.4 part, anticorrosion and bactericidal agent 0.1-0.2 part, water-based flow agent 0.4-1.2 part, wax emulsion 1-3 part, water-based thickener 0.6-1.2 part, water 5-10 part.
Concrete steps prepared by the mute white finish paint of the high-performance water-based woodenware of this damage resistant half are as follows:
(1) select suitable dispersion cylinder, first add 4 parts, water, water-soluble multifunctional auxiliary agent 0.1 part, aqueous dispersant 0.4 part, aqueous wetting agent 0.2, frostproofer 1 part, starting dispersion machine adjustment rotating speed is 400 revs/min, disperse 2 minutes, raising rotating speed is 500-800 rev/min, adds water-based defoamer 0.1 part, titanium dioxide 16 parts, adjustment rotating speed is 1000-1500 rev/min, disperses 20 minutes;
(2) reducing rotating speed is 500-800 rev/min, detects fineness whether≤30 μm, as fineness≤30 μm, then carries out (3);
By above-mentioned steps, usual fineness all can≤30 μm, if do not reached, redispersible for some time is detected again, if long-time decentralized detection does not all reach requirement, illustrates that raw material may have problems, can abandon this paint liquid;
(3) adjusting dispersing speed is 500-800 rev/min, slowly adds water-based pure acrylic resin dispersion 65.9 parts under this rotating speed;
(4) container is separately got, add film coalescence aid 5 parts, anticorrosion and bactericidal agent 0.1 part, water-based defoamer 0.1 part and 3 parts, water, mix, slowly add under rotating speed is 500-800 rev/min in (3), then water-based flow agent 1 part is added successively, wax emulsion 2 parts and water-based thickener 1 part, dispersion 10-20 minute, crosses 200 mesh filter screens.
Embodiment four:
The mute white finish paint of a kind of damage resistant high-performance water-based woodenware half, formulated by following weight proportion primarily of following raw material:
Water-based pure acrylic resin dispersion 55-70 part, water-soluble multifunctional auxiliary agent 0.1-0.2 part, aqueous dispersant 0.2-0.6 part, aqueous wetting agent 0.2-0.4, titanium dioxide 16-22 part, film coalescence aid 3-6 part, frostproofer 0.5-1.5 part, water-based defoamer 0.2-0.4 part, anticorrosion and bactericidal agent 0.1-0.2 part, water-based flow agent 0.4-1.2 part, wax emulsion 1-3 part, water-based thickener 0.6-1.2 part, water 5-10 part.
Concrete steps prepared by the mute white finish paint of the high-performance water-based woodenware of this damage resistant half are as follows:
(1) select suitable dispersion cylinder, first add 4 parts, water, water-soluble multifunctional auxiliary agent 0.1 part, aqueous dispersant 0.4 part, aqueous wetting agent 0.2, frostproofer 1 part, starting dispersion machine adjustment rotating speed is 400 revs/min, disperse 2 minutes, raising rotating speed is 500-800 rev/min, adds water-based defoamer 0.1 part, titanium dioxide 16 parts, adjustment rotating speed is 1000-1500 rev/min, disperses 20 minutes;
(2) reducing rotating speed is 500-800 rev/min, detects fineness whether≤30 μm, as fineness≤30 μm, then carries out (3);
By above-mentioned steps, usual fineness all can≤30 μm, if do not reached, redispersible for some time is detected again, if long-time decentralized detection does not all reach requirement, illustrates that raw material may have problems, can abandon this paint liquid;
(3) adjusting dispersing speed is 500-800 rev/min, slowly adds water-based pure acrylic resin dispersion 64.9 parts under this rotating speed;
(4) container is separately got, add film coalescence aid 5 parts, anticorrosion and bactericidal agent 0.1 part, water-based defoamer 0.1 part and 3 parts, water, mix, slowly add under rotating speed is 500-800 rev/min in (3), then water-based flow agent 1 part is added successively, wax emulsion 3 parts and water-based thickener 1 part, dispersion 10-20 minute, crosses 200 mesh filter screens.
Embodiment five:
The mute white finish paint of a kind of damage resistant high-performance water-based woodenware half, formulated by following weight proportion primarily of following raw material:
Water-based pure acrylic resin dispersion 55-70 part, water-soluble multifunctional auxiliary agent 0.1-0.2 part, aqueous dispersant 0.2-0.6 part, aqueous wetting agent 0.2-0.4, titanium dioxide 16-22 part, film coalescence aid 3-6 part, frostproofer 0.5-1.5 part, water-based defoamer 0.2-0.4 part, anticorrosion and bactericidal agent 0.1-0.2 part, water-based flow agent 0.4-1.2 part, wax emulsion 1-3 part, water-based thickener 0.6-1.2 part, water 5-10 part.
Concrete steps prepared by the mute white finish paint of the high-performance water-based woodenware of this damage resistant half are as follows:
(1) select suitable dispersion cylinder, first add 5.5 parts, water, water-soluble multifunctional auxiliary agent 0.1 part, aqueous dispersant 0.4 part, aqueous wetting agent 0.2, frostproofer 1 part, starting dispersion machine adjustment rotating speed is 400 revs/min, disperse 2 minutes, raising rotating speed is 500-800 rev/min, adds water-based defoamer 0.1 part, titanium dioxide 22 parts, adjustment rotating speed is 1000-1500 rev/min, disperses 20 minutes;
(2) reducing rotating speed is 500-800 rev/min, detects fineness whether≤30 μm, as fineness≤30 μm, then carries out (3);
By above-mentioned steps, usual fineness all can≤30 μm, if do not reached, redispersible for some time is detected again, if long-time decentralized detection does not all reach requirement, illustrates that raw material may have problems, can abandon this paint liquid;
(3) adjusting dispersing speed is 500-800 rev/min, slowly adds water-based pure acrylic resin dispersion 60.4 parts under this rotating speed;
(4) container is separately got, add film coalescence aid 4 parts, anticorrosion and bactericidal agent 0.1 part, water-based defoamer 0.1 part and 4 parts, water, mix, slowly add under rotating speed is 500-800 rev/min in (3), then water-based flow agent 1 part is added successively, wax emulsion 2 parts and water-based thickener 1 part, dispersion 10-20 minute, crosses 200 mesh filter screens.
Embodiment six:
The mute white finish paint of a kind of damage resistant high-performance water-based woodenware half, formulated by following weight proportion primarily of following raw material:
Water-based pure acrylic resin dispersion 55-70 part, water-soluble multifunctional auxiliary agent 0.1-0.2 part, aqueous dispersant 0.2-0.6 part, aqueous wetting agent 0.2-0.4, titanium dioxide 16-22 part, film coalescence aid 3-6 part, frostproofer 0.5-1.5 part, water-based defoamer 0.2-0.4 part, anticorrosion and bactericidal agent 0.1-0.2 part, water-based flow agent 0.4-1.2 part, wax emulsion 1-3 part, water-based thickener 0.6-1.2 part, water 5-10 part.
Concrete steps prepared by the mute white finish paint of the high-performance water-based woodenware of this damage resistant half are as follows:
(1) select suitable dispersion cylinder, first add 6 parts, water, water-soluble multifunctional auxiliary agent 0.1 part, aqueous dispersant 0.4 part, aqueous wetting agent 0.2, frostproofer 1 part, starting dispersion machine adjustment rotating speed is 400 revs/min, disperse 2 minutes, raising rotating speed is 500-800 rev/min, adds water-based defoamer 0.1 part, titanium dioxide 22 parts, adjustment rotating speed is 1000-1500 rev/min, disperses 20 minutes;
(2) reducing rotating speed is 500-800 rev/min, detects fineness whether≤30 μm, as fineness≤30 μm, then carries out (3);
By above-mentioned steps, usual fineness all can≤30 μm, if do not reached, redispersible for some time is detected again, if long-time decentralized detection does not all reach requirement, illustrates that raw material may have problems, can abandon this paint liquid;
(3) adjusting dispersing speed is 500-800 rev/min, slowly adds water-based pure acrylic resin dispersion 59.4 parts under this rotating speed;
(4) container is separately got, add film coalescence aid 4 parts, anticorrosion and bactericidal agent 0.1 part, water-based defoamer 0.1 part and 3 parts, water, mix, slowly add under rotating speed is 500-800 rev/min in (3), then water-based flow agent 1 part is added successively, wax emulsion 3 parts and water-based thickener 1 part, dispersion 10-20 minute, crosses 200 mesh filter screens.
In above each embodiment:
Water-based pure acrylic resin dispersion is preferably good rich JF1788;
Water-soluble multifunctional auxiliary agent is preferably the AMP-95 multifunctional assistant of Tao Shi;
Aqueous dispersant is preferably extra large river chemical industry H100;
Aqueous wetting agent is preferably Ke Laien Genapol D2366;
The preferred Du Pont R706 of titanium dioxide;
Water-based defoamer is preferably 1293 of the peaceful NXZ of Henkel/section and extra large river chemical industry;
Film coalescence aid is preferably DPNB or DPM of Eastman Chemical;
Water-based moistening flatting agent is preferably BYK346 and BYK333 of BYK;
Water-borne preservative is preferably the RS of THOR;
The D-816 of the preferred Weng Kaier of wax emulsion;
Water-based thickener is preferably RM8W and ASE60 of ROHM AND HAAS.
In above each embodiment, all detect product performance according to GB/T23999-2009 standard, detected result is as shown in the table:
Each embodiment glossiness of table this damage resistant of 1.1-high-performance water-based woodenware half mute white finish paint, hardness, resistance to marring, water tolerance and with chemical resistant properties experimental data
Can as apparent from table 1.1, the glossiness of each embodiment of the mute white finish paint of the high-performance water-based woodenware of a kind of damage resistant of the present invention half is all in five light splitting, and hardness is F, and resistance to marring is excellent and water tolerance is outstanding, part chemical resistant properties is slightly poor, but embodiment 2,5,6 water-fast and chemical resistant propertiess all can mistake.Therefore, the mute white finish paint of aqueous wooden ware half prepared by the present invention has excellent scratch resistance, hardness is high, water-fast and chemical resistant properties is good.
Above-mentioned embodiment is just explained in detail technical scheme of the present invention; the present invention has more than and is only confined to above-described embodiment; those skilled in the art should be understood that; every improvement on basis of the present invention according to above-mentioned principle and spirit, substitute, all should within protection scope of the present invention.
Claims (10)
1. the mute white finish paint of the high-performance water-based woodenware of damage resistant half, is characterized in that: formulated by following weight proportion primarily of following raw material:
Water-based pure acrylic resin dispersion 55-70 part,
Water-soluble multifunctional auxiliary agent 0.1-0.2 part,
Aqueous dispersant 0.2-0.6 part,
Aqueous wetting agent 0.2-0.4,
Titanium dioxide 16-22 part,
Film coalescence aid 3-6 part,
Frostproofer 0.5-1.5 part,
Water-based defoamer 0.2-0.4 part,
Anticorrosion and bactericidal agent 0.1-0.2 part,
Water-based flow agent 0.4-1.2 part,
Wax emulsion 1-3 part,
Water-based thickener 0.6-1.2 part,
Water 5-10 part.
2. the mute white finish paint of the high-performance water-based woodenware of damage resistant according to claim 1 half, it is characterized in that: water-based pure acrylic resin dispersion, refer to that outward appearance is that oyster white is translucent, admittedly containing 42 ± 1%, minimum film-forming temperature (MFFT) is the pure acrylic resin dispersion with nucleocapsid structure and self-crosslinking of 30-40 DEG C.
3. the mute white finish paint of the high-performance water-based woodenware of damage resistant according to claim 1 half, is characterized in that: described water-soluble multifunctional auxiliary agent is DOW Chemical AMP-95; The poly carboxylic acid ammonium salt dispersion agent of what described aqueous dispersant adopted is hydrophobically modified.
4. the mute white finish paint of the high-performance water-based woodenware of damage resistant according to claim 1 half, is characterized in that: described film coalescence aid is one or both arbitrary combination in dipropylene glycol monomethyl ether, Dipropylene glycol mono-n-butyl Ether.
5. the mute white finish paint of the high-performance water-based woodenware of damage resistant according to claim 1 half, is characterized in that: described frostproofer is propylene glycol.
6. the mute white finish paint of the high-performance water-based woodenware of damage resistant according to claim 1 half, is characterized in that: described water-based defoamer is one or both arbitrary combination in the polydimethylsiloxane defoamer of mineral oil origin and special modification.
7. the mute white finish paint of the high-performance water-based woodenware of damage resistant according to claim 1 half, is characterized in that: described water-based flow agent is hydrophobically modified urethane rheology modifier and Siloxane-Oxyalkylene Copolymers solution.
8. the mute white finish paint of the high-performance water-based woodenware of damage resistant according to claim 1 half, is characterized in that: described wax emulsion is high rigidity polyethylene wax aqueous dispersion, adopts particle diameter to be about 7 μm of effects best.
9. the mute white finish paint of the high-performance water-based woodenware of damage resistant according to claim 1 half, is characterized in that: described water-based thickener is one or both arbitrary combination in non-ionic polyurethane associative thickener, alkali swelling type thickening material.
10. a preparation method for the mute white finish paint of the high-performance water-based woodenware of damage resistant according to claim 1 half, is characterized in that: concrete steps are as follows:
(1) select suitable dispersion cylinder, first add water 4-6 part, water-soluble multifunctional auxiliary agent 0.1-0.2 part, aqueous dispersant 0.2-0.6 part, aqueous wetting agent 0.2-0.4, frostproofer 0.5-1.5 part, starting dispersion machine adjustment rotating speed is 300-500 rev/min, dispersion 1-2 minute, raising rotating speed is 500-800 rev/min, adds water-based defoamer 0.1-0.2 part, titanium dioxide 16-22 part, adjustment rotating speed is 1000-1500 rev/min, dispersion 15-25 minute;
(2) reducing rotating speed is 500-800 rev/min, detects fineness whether≤30 μm, as fineness≤30 μm, then carries out step (3);
(3) adjusting dispersing speed is 500-800 rev/min, slowly adds water-based pure acrylic resin dispersion 55-70 part under this rotating speed;
(4) container is separately got, add film coalescence aid 3-6 part, anticorrosion and bactericidal agent 0.1-0.2 part, water-based defoamer 0.1-0.2 part and water 1-4 part, mix, slowly add under rotating speed is 500-800 rev/min in (3), then water-based flow agent 0.4-1.2 part is added successively, wax emulsion 1-3 part and water-based thickener 0.6-1.2 part, dispersion 10-20 minute, crosses 200 mesh filter screens.
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