CN105295633A - Aqueous flat lacquer and preparation method - Google Patents

Aqueous flat lacquer and preparation method Download PDF

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Publication number
CN105295633A
CN105295633A CN201510893528.0A CN201510893528A CN105295633A CN 105295633 A CN105295633 A CN 105295633A CN 201510893528 A CN201510893528 A CN 201510893528A CN 105295633 A CN105295633 A CN 105295633A
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China
Prior art keywords
water
dumb light
agent
light paint
ether
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Application number
CN201510893528.0A
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CN105295633B (en
Inventor
李远登
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Foshan Gaoming flons new materials Co.,Ltd.
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FOSHAN GAOMING FULONGSI NEW MATERIAL TECHNOLOGY Co Ltd
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Priority to CN201510893528.0A priority Critical patent/CN105295633B/en
Publication of CN105295633A publication Critical patent/CN105295633A/en
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Abstract

The invention discloses aqueous flat lacquer which comprises fluorine modified acrylate emulsion, styrene acrylic emulsion, matting paste, a filming additive, a defoaming agent, a thickening agent, a leveling agent, a pH adjusting agent and solvent water, wherein the matting paste consists of extinction powder, solvent water and other additives; and the aqueous flat lacquer can be prepared by mixing and dispersing the raw materials at a high speed. The surface drying time of the aqueous flat lacquer disclosed by the invention is not more than 30 minutes, the hard drying time is less than 3 hours, the storage stability is good, and the coating adhesion force is good and uniform.

Description

A kind of water-based dumb light paint and preparation method
Technical field
The present invention relates to a kind of water-miscible paint, be specifically related to a kind of water-based dumb light paint and preparation method thereof.
Background technology
In recent years, the coating system that water-borne coatings, high solid part coating etc. meet environmental requirement comes into one's own day by day, and development in recent years is rapid, progressively replaces the coating of conventional organic solvents type, with the fastest developing speed especially with water-borne coatings.Water-borne coatings take water as the coating of solvent or dispersion medium, is also called emulsion paint.Because water instead of organic solvent, water-borne coatings does not have the discharge of VOC to prevent fire, improves environment and the condition of coating material production.The resin raw material being usually used in preparing water-miscible paint at present has water alcohol acid, attribute ACRYLIC EMULSION, aqueous polyurethane dispersion and Aqueous acrylic urethane's dispersion.In these raw materials, ACRYLIC EMULSION has quick-drying, fast light, the feature such as have excellent weather resistance, and suitable large-scale promotion uses, but the ACRYLIC EMULSION of one-component exists the shortcomings such as viscosity is high, levelling property is poor, temperature flowing is poor, low temperature brittleness is high.
Light dumb light paint on current water-miscible paint market based on the clear lacquer or white paint obtains the favor of consumers in general.
Summary of the invention
For the deficiencies in the prior art part, the invention provides a kind of preparation method of dumb light paint of water-based, this dumb light paint surface drying time is not more than 30 minutes, and the time of doing solid work is less than 3 hours, and stability in storage is good, and coating adhesion is good, even.
Technical problem to be solved by this invention is achieved by the following technical programs:
Component and the mass percentage of the water-based dumb light paint in the present invention are:
Fluorin modified crylic acid ester emulsion 55-65%
Styrene acrylic emulsion 10-15%
Mute slurry 5-15%
Film coalescence aid 2-6%
Defoamer 0.5-1%
Thickening material 0.8-1.2%
Flow agent 0.5-0.8%
PH adjusting agent 0.8-1%
Water surplus
Wherein the component of mute slurry and mass percentage are:
Flatting silica 35-55%
Dispersion agent 1-3%
Tensio-active agent 2-5%
PH adjusting agent 0.2-0.5%
Propylene glycol 1-2%
Water surplus
Fluorine is the element that in the periodic table of elements, electronegativity is maximum, has the strongest electronegativity and polarizability, and atomic radius is only greater than hydrogen.The C-F key that fluorine atom replaces the H-shaped one-tenth on c h bond is extremely short, and bond energy is up to 460kJ/mol.Full-fluorine group in fluorine-contaninig polyacrylate polymkeric substance is positioned on the side chain of polymkeric substance; in the process of film forming; perfluoroalkyl in fluorinated acrylate polymer can be enriched on the interface of polymkeric substance and air, and stretches in air, forms " shielding protection " to main chain and interior molecules.Further, fluorine atom tightly can encase carbon carbon backbone chain, makes the stable physical property of fluorinated acrylate emulsion.Therefore, polyacrylic ester macromolecular chain is introduced fluorine and not only can retain original good filming, and further enhancing snappiness and the sticking power of paint film.
In the present invention, the preparation method of fluorin modified crylic acid ester emulsion is:
Trifluoroethyl methacrylate, vinylformic acid hexafluoro butyl ester, methyl methacrylate, butyl acrylate, ethylene glycol monobutyl ether are placed in reaction vessel mix and blend with mass ratio 1:2.8:1.25:1:5,75-80 DEG C is warming up to after mixing, be that lauryl mercaptan and the benzoyl peroxide of 1:1.5 drops in reaction vessel as initiator using mass ratio, the mass ratio of initiator and total reactant is 1:16-22; The time that initiator drips is 1.5-2 hour, and the reaction times is 3-4 hour, Keep agitation in reaction process, is then warming up to 90 DEG C, is incubated half an hour, namely obtains fluorin modified crylic acid ester emulsion after question response thing naturally cooling.
Mute slurry is make paint film present the component of mat surface in the dumb light paint in the present invention, and matte effect is by adding flatting silica to reach.If flatting silica is added directly in the emulsion of film forming, easily causes mixing uneven, cause the problem such as paint film uneven distribution, coating surface lustre lacking uniformity formed during application.Therefore, in the present invention, flatting silica is placed in aqueous solvent, adds dispersion agent, tensio-active agent, pH adjusting agent and propylene glycol, stir, make mute slurry.
The dispersion agent used is polyoxyethylene carboxylate, and tensio-active agent is HPMC, and pH adjusting agent is sodium carbonate or sodium bicarbonate.The mute slurry made so not only can quick and conveniently feed in raw material accurately when preparing water-based dumb light paint, and by the control of additive by the pH value of mute slurry, adhesive capacity as far as possible and emulsion matrix keep close state, enable the composition of mute slurry and fluorin modified crylic acid ester emulsion and other additives can effective integration, make dumb light paint entirety present steady state.
In the present invention water-based dumb light paint composition in, styrene acrylic emulsion, for promoting the fusion performance of emulsion in dumb light paint, enables other additives effectively mix with emulsion in water.
Use film coalescence aid be ethylene glycol monobutyl ether, diethylene glycol monomethyl ether, diethylene glycol monoethyl ether, propandiol butyl ether, dipropylene glycol methyl ether, dipropylene, tripropylene glycol butyl ether one or more.The defoamer used is polyoxyethylene nonylphenol ether, and thickening material is guar gum, and flow agent is virgin pp acid esters flow agent, and pH adjusting agent is trolamine.Above-mentioned additive is all the additive in optimum body series dumb light paint, uses other commercially available auxiliary agents, additive is also feasible, just affect to some extent the film-formation result of dumb light paint and the homogeneity of paint film.
A kind of method preparing water-based dumb light paint in the present invention:
Each component is mixed according to mass percent, with the rate of dispersion of 2500-4000r/min by stock dispersion 1.5-2 hour, makes each component disperses even.
Water-based dumb light paint in the present invention is applicable to the surface of wood materials, metallic substance, glass material.
The present invention has following beneficial effect:
1, the water-based dumb light paint in the present invention is short for set time, and surface drying time is not more than 30 minutes, and the time of doing solid work is less than 3 hours.
2, the water-based dumb light paint stability in storage in the present invention is good, and coating adhesion is good, even.
3, the water-based dumb light paint paint film in the present invention is even, and matte effect is good, and colour generation is high-grade.
Embodiment
Below by embodiment, content of the present invention is conducted further description.
1, the preparation of fluorin modified crylic acid ester emulsion
Trifluoroethyl methacrylate, vinylformic acid hexafluoro butyl ester, methyl methacrylate, butyl acrylate, ethylene glycol monobutyl ether are placed in reaction vessel mix and blend with mass ratio 1:2.8:1.25:1:5,78 DEG C are warming up to after mixing, be that lauryl mercaptan and the benzoyl peroxide of 1:1.5 drops in reaction vessel as initiator using mass ratio, the mass ratio of initiator and total reactant is 1:20; The time that initiator drips is 2 hours, and the reaction times is 4 hours, Keep agitation in reaction process, is then warming up to 90 DEG C, is incubated half an hour, namely obtains required fluorin modified crylic acid ester emulsion after question response thing naturally cooling.
2, the preparation of mute slurry
By mass percentage be the flatting silica of 50%, 2.5% polyoxyethylene carboxylate, 5% HPMC, the sodium carbonate of 0.2%, the propylene glycol of 2% and 40.3% water mixing, namely obtain required mute slurry after stirring.
3, the preparation of water-based dumb light paint
In embodiment the composition of water-based dumb light paint and mass percentage as shown in the table, wherein defoamer is polyoxyethylene nonylphenol ether, and thickening material is guar gum, and flow agent is virgin pp acid esters flow agent, and pH adjusting agent is trolamine.Stir after each several part component is mixed.
Be coated on respectively in wooden test piece, aluminium alloy test piece and glass coupon by dumb light paint in embodiment, aluminium alloy test piece selects 6063.After paint spraying, record the surface drying of dumb light paint and do solid work the time, and carrying out sticking power test test to above-mentioned coating, testing method is carried out according to " GB/T1720-1979 paint film adhesion assay method ", and test result is as follows.
From result, the sticking power in wooden test piece, aluminium alloy test piece, glass coupon of the dumb light paint in the present invention is all very good.
Can be found out by test result, the surface drying time of the dumb light paint in the present invention in wooden test piece, may be relevant with the water-absorbent of wood materials itself than short on other materials.The test piece of doing solid work time then three kinds of materials does not all have large difference.
The good hand touch of dumb light paint in painting process in the embodiment of the present invention, have slight brush mark, fullness ratio is good, and matte effect is good, and paint film appearance noble quality has texture.
Finally it should be noted that, above embodiment is only in order to illustrate the technical scheme of the embodiment of the present invention but not to be limited, although be described in detail the embodiment of the present invention with reference to preferred embodiment, those of ordinary skill in the art is to be understood that and still can modifies to the technical scheme of the embodiment of the present invention or equivalent replacement, and these are revised or be equal to the scope that replacement also can not make amended technical scheme disengaging embodiment of the present invention technical scheme.

Claims (8)

1. a water-based dumb light paint, is characterized in that the component of described water-based dumb light paint and mass percentage are:
Fluorin modified crylic acid ester emulsion 55-65%
Styrene acrylic emulsion 10-15%
Mute slurry 5-15%
Film coalescence aid 2-6%
Defoamer 0.5-1%
Thickening material 0.8-1.2%
Flow agent 0.5-0.8%
PH adjusting agent 0.8-1%
Water surplus
Wherein the component of mute slurry and mass percentage are:
Flatting silica 35-55%
Dispersion agent 1-3%
Tensio-active agent 2-5%
PH adjusting agent 0.2-0.5%
Propylene glycol 1-2%
Water surplus.
2. water-based dumb light paint as claimed in claim 1, it is characterized in that: the preparation method of described fluorin modified crylic acid ester emulsion is: trifluoroethyl methacrylate, vinylformic acid hexafluoro butyl ester, methyl methacrylate, butyl acrylate, ethylene glycol monobutyl ether are placed in reaction vessel mix and blend with mass ratio 1:2.8:1.25:1:5,75-80 DEG C is warming up to after mixing, be that lauryl mercaptan and the benzoyl peroxide of 1:1.5 drops in reaction vessel as initiator using mass ratio, the mass ratio of initiator and total reactant is 1:16-22; The time that initiator drips is 1.5-2 hour, and the reaction times is 3-4 hour, Keep agitation in reaction process, is then warming up to 90 DEG C, is incubated half an hour, namely obtains fluorin modified crylic acid ester emulsion after question response thing naturally cooling.
3. water-based dumb light paint as claimed in claim 1, is characterized in that: described film coalescence aid is one or more in ethylene glycol monobutyl ether, diethylene glycol monomethyl ether, diethylene glycol monoethyl ether, propandiol butyl ether, dipropylene glycol methyl ether, dipropylene, tripropylene glycol butyl ether.
4. water-based dumb light paint as claimed in claim 1, it is characterized in that: described defoamer is polyoxyethylene nonylphenol ether, thickening material is guar gum, and flow agent is virgin pp acid esters flow agent, and pH adjusting agent is trolamine.
5. water-based dumb light paint as claimed in claim 1, is characterized in that: the dispersion agent in mute slurry is polyoxyethylene carboxylate.
6. water-based dumb light paint as claimed in claim 1, is characterized in that: the tensio-active agent in mute slurry is HPMC.
7. water-based dumb light paint as claimed in claim 1, is characterized in that: the pH adjusting agent in mute slurry is sodium carbonate or sodium bicarbonate.
8. prepare as arbitrary in claim 1-7 as described in the method for water-based dumb light paint, it is characterized in that: each component is mixed according to mass percent, with the rate of dispersion of 2500-4000r/min by stock dispersion 1.5-2 hour.
CN201510893528.0A 2015-12-07 2015-12-07 A kind of aqueous dumb light paint and preparation method Expired - Fee Related CN105295633B (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110280464A (en) * 2019-07-08 2019-09-27 东莞市三诚鑫电子科技有限公司 The mute androgynous spraying process of the light of plastic part
CN110527363A (en) * 2019-08-30 2019-12-03 四川嘉宝莉涂料有限公司 A kind of aqueous full dumb light finishing varnish and preparation method thereof that imitative lime stone is specially matched
CN112094554A (en) * 2020-09-22 2020-12-18 卡秀万辉(无锡)高新材料有限公司 Water-based bi-component coating, preparation method thereof and application thereof in anode aluminum substrate coating

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102617783A (en) * 2012-04-10 2012-08-01 广东银洋树脂有限公司 Preparation method and application of water-soluble fluorine-containing acrylic resin
CN102964960A (en) * 2012-11-15 2013-03-13 中山蓝海洋水性涂料有限公司 Water-based fluorocarbon coating used for external wall and preparation method thereof
CN103087575A (en) * 2011-10-31 2013-05-08 立邦涂料(中国)有限公司 Aqueous extinction slurry, and preparation method and application thereof
CN103788778A (en) * 2014-02-10 2014-05-14 广东华兹卜化学工业有限公司 Antifouling and heat-insulating outer wall paint
CN104130650A (en) * 2014-07-25 2014-11-05 佛山市高明福隆斯新材料科技有限公司 Environmentally-friendly white flat lacquer for furniture and preparation method thereof

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103087575A (en) * 2011-10-31 2013-05-08 立邦涂料(中国)有限公司 Aqueous extinction slurry, and preparation method and application thereof
CN102617783A (en) * 2012-04-10 2012-08-01 广东银洋树脂有限公司 Preparation method and application of water-soluble fluorine-containing acrylic resin
CN102964960A (en) * 2012-11-15 2013-03-13 中山蓝海洋水性涂料有限公司 Water-based fluorocarbon coating used for external wall and preparation method thereof
CN103788778A (en) * 2014-02-10 2014-05-14 广东华兹卜化学工业有限公司 Antifouling and heat-insulating outer wall paint
CN104130650A (en) * 2014-07-25 2014-11-05 佛山市高明福隆斯新材料科技有限公司 Environmentally-friendly white flat lacquer for furniture and preparation method thereof

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110280464A (en) * 2019-07-08 2019-09-27 东莞市三诚鑫电子科技有限公司 The mute androgynous spraying process of the light of plastic part
CN110527363A (en) * 2019-08-30 2019-12-03 四川嘉宝莉涂料有限公司 A kind of aqueous full dumb light finishing varnish and preparation method thereof that imitative lime stone is specially matched
CN112094554A (en) * 2020-09-22 2020-12-18 卡秀万辉(无锡)高新材料有限公司 Water-based bi-component coating, preparation method thereof and application thereof in anode aluminum substrate coating

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Effective date of registration: 20170810

Address after: 528518, Hopewell Road, Ming Industrial Zone, Gaoming District, Guangdong, Foshan

Applicant after: FOSHAN CITY GAOMING DISTRICT DELIGAO COATING Co.,Ltd.

Address before: 528518 Guangdong province Foshan city Gaoming Cangjiang Industrial Park City Park City Road seven

Applicant before: FOSHAN GAOMING FULONGSI NEW MATERIAL TECHNOLOGY Co.,Ltd.

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Effective date of registration: 20170905

Address after: 528518 Guangdong province Foshan city Gaoming Cangjiang Industrial Park City Park City Road seven

Applicant after: Foshan Gaoming flons new materials Co.,Ltd.

Address before: 528518, Hopewell Road, Ming Industrial Zone, Gaoming District, Guangdong, Foshan

Applicant before: FOSHAN CITY GAOMING DISTRICT DELIGAO COATING Co.,Ltd.

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Address after: 528518 Guangdong province Foshan city Gaoming Cangjiang Industrial Park City Park City Road seven

Applicant after: Foshan Gaoming flons new materials Co.,Ltd.

Address before: 528518, Hopewell Road, Ming Industrial Zone, Gaoming District, Guangdong, Foshan

Applicant before: FOSHAN CITY GAOMING DISTRICT DELIGAO COATING Co.,Ltd.

TA01 Transfer of patent application right
CI03 Correction of invention patent

Correction item: Patentee|Address

Correct: Foshan Gaoming Fulongsi New Material Technology Co., Ltd.|528518 Mingcheng Park Seventh Road, Gaoming Cangjiang Industrial Park, Foshan City, Guangdong Province

False: Foshan Gaoming flons new materials Co. Ltd.|528518 Mingcheng Park Seventh Road, Gaoming Cangjiang Industrial Park, Foshan City, Guangdong Province

Number: 42-02

Volume: 33

CI03 Correction of invention patent
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20171020

Termination date: 20191207

CF01 Termination of patent right due to non-payment of annual fee