CN102876167B - Aqueous silvery aluminum powder flashing paint - Google Patents

Aqueous silvery aluminum powder flashing paint Download PDF

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CN102876167B
CN102876167B CN201210380216.6A CN201210380216A CN102876167B CN 102876167 B CN102876167 B CN 102876167B CN 201210380216 A CN201210380216 A CN 201210380216A CN 102876167 B CN102876167 B CN 102876167B
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aqueous
aluminum powder
paint
water
parts
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CN102876167A (en
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洪建荣
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ZHEJIANG SHENGLIBANG PAINT CO Ltd
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ZHEJIANG SHENGLIBANG PAINT CO Ltd
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Abstract

The invention provides an aqueous silvery aluminum powder flashing paint, belongs to the technical field of coating paint, and solves the problems that aqueous aluminum powder in aqueous paint is imperfect in orientation, hard to apply and easy to rework. The aqueous silvery aluminum powder flashing paint comprises, by weight part, 30-60 parts of watercraft acrylic resin, 3-9 parts of waterborne polyurethane resin, 0.1-0.5 part of neutralizer, 2-6 parts of diethylene glycol monobutyl ether, 0.2-1 part of base wetting agent, 10-20 parts of water, 15-30 parts of metallic pigment orientation additives and 15-30 parts of aqueous aluminum paste. Orientation of the aqueous aluminum powder is affected by the metallic pigment orientation additives, the PH(potential of hydrogen) value, resin and the like, so that the aqueous aluminum powder can be oriented by being parallel to the base to utmost extent, and good metal flashing effect and flip-flop effect are guaranteed. Since watercraft acrylic resin and the waterborne polyurethane resin are combined, rework adhesion of the paint on an oil primer is improved. In addition, the aqueous silvery aluminum powder flashing paint is environment-friendly, energy-saving and safe.

Description

A kind of water-based silvery aluminum powder metallic finishe
Technical field
The invention belongs to application paint technical field, relate to a kind of water-based silvery aluminum powder metallic finishe.
Background technology
Along with the raising of people's living standard and the development of society, more and more higher to the performance requirement of coating, require that the pollution of the application of coating to environment is more and more less simultaneously.
Since the sixties in 20th century, a series of regulation restriction VOC discharge capacity has been put into effect in the U.S., European Union, Japan and other countries and area successively, China also put into effect a series of regulation limiting emission from 1973, environmental regulation is more and more tighter, and therefore the friendly coating of development environment has become the focus of coating research field.Current principal item has water paint, powdery paints, high solid coating and radiation curable coating, and water paint will become the leading products of coating.Current building coating main body is water emulsion coating, has accounted for the 45%-50% of coating total output, but the Water-borne modification of industrial coating is also slower.The company of Current Domestic production water-based plastic coating is also less, and major part is still in the development of formula.
Electric motor car producer domestic at present uses the thermoplasticity one-component based on acrylic nitrocellulose to paint mostly, and coating varnish adopts based on photocuring, and two component PU is auxiliary system.Background color is in the majority with aluminium powder, pearly-lustre, uses a large amount of diluents during spraying, so VOC discharge is large.The appearance in succession of country and more local environmental regulations, measure in recent years, the environmental protection pressure of enterprise is suddenly increased, and exported product execution is more strict environmental protection standard, so progressively there have been the thinking replacing oil paint with the much the same water paint of performance in some insightful enterprises.
Water-based plastic cement series base coat adopts water paint, coating varnish still adopts dual-component polyurethane varnish, this is because water-based finishing varnish has gap with oiliness ratio in gloss, richness, workability, and oiliness photocuring and water paint interlayer adhere to and remain some problems, so Lacquer finish still adopts two component.Because diluent is used in the base coat such as pearly-lustre, aluminium powder spraying process in a large number, solid part higher varnish spraying time use diluent relatively less, so the use of water-borne base coat has made the discharge of VOC significantly reduce.
The technological difficulties that water-based plastic cement flash coating material will solve have the arrangement of aqueous aluminum powder, water paint workability, at the bottom of oiliness on do over again.Aluminum paint, aqueously align the factors such as cellulose due to water volatilization CAB mono-class that is slow, that do not have oiliness metallic finishe to use, aluminium powder arrangement Problems comparatively oiliness is difficult to resolve and determines.And because water volatilization is slow, surface tension is large, make water paint easily produce the problems such as bubble, sagging, cissing in spraying and bake process, workability and oiliness are also different.Particularly water paint at the bottom of oiliness on difficulty of doing over again larger, this is because the part and coating varnish uses oil paint of doing over again will be produced during spraying application, so do over again must at the bottom of oiliness on spray water paint, because system is different, tension force is different, ply adhesion when doing over again comparatively is difficult to resolve certainly.
Summary of the invention
The object of the invention is for the problems referred to above existing for existing water-based plastic cement metallic finishe, and propose a kind of water-based metallic finishe making metallic pigments marshalling.
Object of the present invention realizes by following technical proposal: a kind of water-based silvery aluminum powder metallic finishe, and it is characterized in that, this metallic finishe is made up of (parts by weight) following composition and proportioning:
Water-borne acrylic resin: 30 ~ 60;
Waterborne polyurethane resin: 3 ~ 9;
Nertralizer: 0.1 ~ 0.5;
Butyl: 2 ~ 6;
Substrate wetting agents: 0.2 ~ 1;
Water: 10 ~ 20;
Metallic pigments align auxiliary agent: 15 ~ 30;
Water aluminum-silver slurry: 15 ~ 30.
In above-mentioned a kind of water-based silvery aluminum powder metallic finishe, described metallic pigments align auxiliary agent and are made up of candle liquid, the swelling association thickener of alkali and association thickener, and its parts by weight account for 2 ~ 8,2 ~ 8 and 5 ~ 20 of metallic finishe respectively.
In above-mentioned a kind of water-based silvery aluminum powder metallic finishe, described water aluminum-silver slurry is formulated by butyl, dispersant and aqueous aluminum powder, and the parts by weight of each composition are respectively 35 ~ 55,0.5 ~ 6,40 ~ 60.
Compared with prior art, utilize metallic pigments the to align arrangement that auxiliary agent, pH value and resin etc. together affect aqueous aluminum powder of this water-based silvery aluminum powder metallic finishe, make aqueous aluminum powder must be parallel to ground arrangement as far as possible, ensure that good metallic travel and changeable colors along with angle effect.Water-borne acrylic resin and waterborne polyurethane resin combine, and improve the attachment of doing over again at the bottom of oiliness, it also has environmental protection, energy-conservation and safe advantage in addition.
Detailed description of the invention
Be below specific embodiments of the invention and by reference to the accompanying drawings, technical scheme of the present invention is further described, but the present invention be not limited to these embodiments.
Embodiment 1
In the present embodiment, water-based silvery aluminum powder metallic finishe is made up of (parts by weight) following composition and proportioning:
Water-borne acrylic resin: 30 mass parts, acrylic resin, owing to having superpower hot water resistance, excellent weatherability, chemical resistance and good pigment wettability, is the matrix resin that water-based plastic paint is conventional.
Waterborne polyurethane resin: 6 mass parts, dispersions of polyurethanes is owing to having splendid adhesive force and wearability, pliability can be used for improving adhesive force.
Nertralizer: 0.3 mass parts, pH value reacts in easily acid and aluminium powder and generates hydrogen below 7, and stability is bad.Easy burn-out aluminium flake time more than 9, makes aluminium pigment dimmed, so aluminum paint, aqueous system pH value general control is about 8.
Butyl: 3 mass parts, is used as solvent.
Substrate wetting agents: 0.7 mass parts, all should add moistening with auxiliary flake pigment of wetting agent in many situations.
Water: 15 mass parts, is used as diluent.
Candle liquid: 5 mass parts, can play the adhesion strength, hydrophobic properties of the surface and the anti-stick antifouling property that improve film, make film more smooth, can also play the effect of auxiliary aluminium powder arrangement.
The swelling association thickener of alkali: 6 mass parts.
Association thickener: 14 mass parts.Due to features such as water volatilization are slow, surface tension is large, very easily there is the disadvantages such as bubble, sagging, picture frame benefit in construction, so first its working viscosity is just different from oil paint in water paint.During water paint spraying, viscosity is higher than oil paint, and will vacation to a certain degree thick, can stop after making water paint spraying, the generation of the disadvantages such as unlikely sagging, cissing.
Water aluminum-silver slurry: 20 mass parts, flake pigment, adds the closure of paint film.
In the present embodiment, water aluminum-silver slurry is formulated by butyl, dispersant and aqueous aluminum powder, and the parts by weight of each composition are respectively 35,5,60.
Aqueous aluminum powder is the laminated structure of secondary coating, just has good metallic travel and changeable colors along with angle effect when it is parallel to ground arrangement.Water-based metallic finishe aluminium powder arrangement influence factor has resin, pH value, aluminium powder, auxiliary agent etc.
Should take into full account rheological characteristic and viscoplasticity when selecting water-base resin, rheological characteristic is pseudoplastic behavior, and elastic deformation is greater than viscous deformation, the orientation had making aluminium powder.Also to add when adding the materials such as water, auxiliary agent, color stuffing slurry during production paint appropriate nertralizer carry out in and.The arrangement effect that just must have in the thick situation of vacation when the spraying of test aqueous aluminum powder, thickener collocation is considered highly cut and lowly cut the swelling association type of factor alkali and association type is arranged in pairs or groups, raising aluminium powder align performance.
PS166 is the polyether-polyurethane thickener of association type, and provide the balance of excellent thickening, levelling and gloss, compatibility is good, PS166 have hydrophilic radical and hydrophobic group because of, form northern Shandong in dispersions, northern Shandong and polymer particle associate and form network structure and thickening.Meanwhile, a molecule has several micella, reduces the migration of hydrone, makes that aqueous phase produces, viscosity also improves.
VIS600 is Polyacrylate thickeners, belongs to the swelling association thickener of alkali, plays to reduce to splash, the effects such as anti-stream, layering.VIS600 is soluble in water, and by under the same sex electrostatic of oxygen acid ion, strand is stretched to bar-shaped by helical form, thus improves the viscosity of aqueous phase, and in addition, it is the thickening by bridge formation formation network structure between emulsion particle and pigment also.
The portfolio ratio that PS166 and VIS600 is suitable makes system be that false plastic liquid is beneficial to aluminium powder arrangement.They can fall cryogenic film solid part, and during raising dried coating film, volume contraction ratio is conducive to aluminium powder arrangement.They also can reduce wet-film thickness, and restriction aluminium powder has enough time in wet film, and random motion is done in space, and is beneficial to aluminium powder arrangement.Use the suitable proportioning of PS166 and VIS600 aluminium powder " can be pinioned ", the formation of prevention shellfish moral vortex, and reach and arrange effect preferably.
Working of plastics there will be part of doing over again unavoidably in spraying process, particularly after spraying oiliness coating varnish, sprays aqueous priming paint again and does over again, and because system is completely different, surface differential is very large, its interlayer attachment is a difficult point.Acrylic resin, owing to having superpower hot water resistance, excellent weatherability, chemical resistance and pigment wettability preferably, is the matrix resin that water-based plastic paint is conventional, but water-based plastic paint is all unsatisfactory with doing over again on acrylic resin is at the bottom of oiliness.And dispersions of polyurethanes is owing to having splendid adhesive force and wearability, pliability can be used for improving adhesive force, polyurethane is as also undesirable as matrix resin effect, the paint film appearances such as mainly aluminium powder arrangement, hardness and performance variant, so dispersions of polyurethanes can only use as assisted resin.Both are combined, and attachment of doing over again is more satisfactory, and aluminium powder arrangement, paint film property etc. are all good.
Embodiment 2
In the present embodiment, water-based silvery aluminum powder metallic finishe is made up of (parts by weight) following composition and proportioning:
Water-borne acrylic resin: 50 mass parts.
Waterborne polyurethane resin: 7 mass parts.
Nertralizer: 0.5 mass parts.
Butyl: 2 mass parts.
Substrate wetting agents: 0.5 mass parts.
Water: 15 mass parts.
Candle liquid: 2 mass parts.
The swelling association thickener of alkali: 2 mass parts.
Association thickener: 6 mass parts.
Water aluminum-silver slurry: 15 mass parts.
In the present embodiment, water aluminum-silver slurry is formulated by butyl, dispersant and aqueous aluminum powder, and the parts by weight of each composition are respectively 43,2,55.
Specific embodiment described herein is only to the explanation for example of the present invention's spirit.Those skilled in the art can make various amendment or supplement or adopt similar mode to substitute to described specific embodiment, but can't depart from spirit of the present invention or surmount the scope that appended claims defines.

Claims (1)

1. a water-based silvery aluminum powder metallic finishe, is characterized in that, this metallic finishe is made up of following composition and proportioning:
Water-borne acrylic resin: 30 mass parts;
Waterborne polyurethane resin: 6 mass parts;
Nertralizer: 0.3 mass parts;
Butyl: 3 mass parts;
Substrate wetting agents: 0.7 mass parts;
Water: 15 mass parts;
Candle liquid: 5 mass parts;
Alkali swelling association thickener VIS600:6 mass parts;
Association thickener PS166:14 mass parts;
Water aluminum-silver slurry: 20 mass parts;
Described water aluminum-silver slurry is formulated by butyl, dispersant and aqueous aluminum powder, and the parts by weight of each composition are respectively 35,5,60.
CN201210380216.6A 2012-10-08 2012-10-08 Aqueous silvery aluminum powder flashing paint Active CN102876167B (en)

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CN103409036A (en) * 2013-07-18 2013-11-27 丹阳市永生涂料有限公司 Formula of grayish flashing paint
CN103333575A (en) * 2013-07-26 2013-10-02 江苏足迹涂料有限公司 Water-based automobile metallic flashing paint and preparation technology thereof
CN103897467B (en) * 2014-04-17 2017-04-19 任国华 Primer and preparation method thereof
CN104371449A (en) * 2014-09-16 2015-02-25 江程 Aluminum powder metal anti-corrosion coating material and preparation method thereof
CN104962135A (en) * 2015-06-12 2015-10-07 广州擎天材料科技有限公司 Waterborne aluminum paste for decorative waterborne metallic shining coating and soaking production process thereof
CN106336728A (en) * 2016-08-31 2017-01-18 湖南互力达涂料科技有限公司 Waterborne gravure silver ink and production process thereof
CN106675262A (en) * 2016-12-20 2017-05-17 东来涂料技术(上海)有限公司 Safe eco-friendly waterborne hot foil die-stamping primer used for plastic part and preparation method of primer
CN107523200A (en) * 2017-07-28 2017-12-29 苏州健雄职业技术学院 Automotive thermoplastic's plastic fittings coating and its preparation method and application
CN108219569A (en) * 2018-01-12 2018-06-29 雅图高新材料有限公司 A kind of aqueous metallic paint control toner and preparation method thereof
CN109021755A (en) * 2018-07-13 2018-12-18 安徽康瑞高科新材料技术工程有限公司 A kind of environment-friendly aqueous plastic coating and preparation method thereof
CN109439168A (en) * 2018-10-26 2019-03-08 广州擎天材料科技有限公司 A kind of water high light pool two-component polyurethane aluminium paint and preparation method thereof
CN109852216B (en) * 2018-12-13 2021-04-30 清远市浩宇化工科技有限公司 Water-based metal flashing paint
CN110054946B (en) * 2019-05-17 2021-04-06 清远市绚淳环保新材料有限公司 Washable water-based roll-painting paint with high metal luster and preparation method thereof
CN111286243A (en) * 2020-03-24 2020-06-16 山东七维新材料有限公司 Water-based acrylic silver paint suitable for mechanical equipment and preparation method thereof
CN112275601B (en) * 2020-10-16 2022-03-22 中国第一汽车股份有限公司 Novel coating process for coating vehicle body by regional color paint differentiation

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US5466286A (en) * 1994-05-27 1995-11-14 E. I. Du Pont De Nemours And Company Stable automotive aqueous metallic-flake tint dispersion
CN101029197A (en) * 2006-02-28 2007-09-05 上海捷邦精细化工有限公司 Metal water flashing base coat of automobile
CN101735671A (en) * 2009-12-28 2010-06-16 长沙族兴金属颜料有限公司 Manufacturing method of strong twinkling aluminium pastes

Patent Citations (3)

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Publication number Priority date Publication date Assignee Title
US5466286A (en) * 1994-05-27 1995-11-14 E. I. Du Pont De Nemours And Company Stable automotive aqueous metallic-flake tint dispersion
CN101029197A (en) * 2006-02-28 2007-09-05 上海捷邦精细化工有限公司 Metal water flashing base coat of automobile
CN101735671A (en) * 2009-12-28 2010-06-16 长沙族兴金属颜料有限公司 Manufacturing method of strong twinkling aluminium pastes

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Inventor after: Xu Xian

Inventor after: Hong Jianrong

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Denomination of invention: Aqueous silvery aluminum powder flashing paint

Effective date of registration: 20191122

Granted publication date: 20150318

Pledgee: Bank of Jinhua Limited by Share Ltd. science and Technology Branch

Pledgor: ZHEJIANG SHENGLIBANG PAINT Co.,Ltd.

Registration number: Y2019330000218

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Date of cancellation: 20230620

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