CN102250541B - Aqueous primer surfacer - Google Patents
Aqueous primer surfacer Download PDFInfo
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- CN102250541B CN102250541B CN201110155845.4A CN201110155845A CN102250541B CN 102250541 B CN102250541 B CN 102250541B CN 201110155845 A CN201110155845 A CN 201110155845A CN 102250541 B CN102250541 B CN 102250541B
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Abstract
The invention discloses an aqueous primer surfacer composed of a component A and a component B. the component A comprises the components of, by weight: 40 to 55% of aqueous acrylic emulsion, 20 to 30% of a pigment, 20 to 30% of an extender pigment, 0.5 to 1% of an antifoaming agent, 0.5 to 1.5% of a dispersant, 0.1 to 0.5% of a leveling agent, 0.5 to 1.5% of a substrate wetting agent, 0.1 to 0.5% of a rheological agent, 1 to 2% of a flash rust resisting agent, and balance of deionized water. The component B comprises an aqueous curing agent. With the aqueous primer surfacer provided by the invention, the primer surfacer used in automobile paints turns aqueous, harmful substances contained in the surfacer are substantially reduced. In the aqueous primer surfacer provided by the invention, harmful substances such as benzene, toluene, xylene and ethylbenzene are not detected, VOC content is greatly reduced, and the content of free formaldehyde is substantially reduced. With the aqueous primer surfacer provided by the invention, pollution to the environment is reduced, and work environment of the coating personnel is improved.
Description
Technical field
The present invention relates to car paint technical field, be specifically related to a kind of aqueous primer surfacer.
Background technology
Over 30 years, Domestic Automotive Industry high speed development, particularly nearest 20 years, automotive industry presented blowout formula rapid growth.Within 2009, national automobile ultimate production reaches 1,379 ten thousand, and automobile pollution has reached 7,619 ten thousand.The great development of automotive industry has also driven the development of Painting Technology for Automobile, and meanwhile, automotive coating has also had leap progressive.
The car paint of China still be take solvent-based system as main at present, contains a large amount of volatile organic matter (VOC) in the car paint of solvent-based system, very serious to the pollution of environment.Since the sixties in last century, for the living environment of to protect mankind, countries in the world have been worked out the usage quantity of relevant laws and regulations with VOC in restricting vehicle coating in succession.For example, the German clean air rules that come into force require the long-pending VOC quantity discharged of vehicle body coated surface should be less than 35 grams/m nineteen ninety-five
2, and use solvent-based system car paint, VOC quantity discharged will be up to 125 grams/m
2.For meet the requirement of environmental protection, car paint hydropositive, high solid, powder coating future development, wherein Water-borne modification technology is one of the most effective approach.If car body coating is all realized Water-borne modification, the quantity discharged of VOC can be reduced to 27 grams/m
2, complete meet the requirement of environmental protection.
Under the driving of strict restriction VOC quantity discharged environmental requirement, European and American countries is greatly developed water-miscible paint, and makes great progress.Car use paint market is ripe at present, it is reported, Foreign Car priming paint has more than 90% and adopts water-based electrophoretic primer at present, and 88% middle japanning has also adopted Water-borne modification technology, and the use of water-based metal polychromatic finish also surpasses 65%.But car use paint is not also suitable for the application of motorbus etc., and this is because the coating process of motorbus is completely different from car.Because motorbus, car repair application, coating plastic parts can not bear high bake, generally all adopt oven drying at low temperature, at 60～80 ℃, dry or normal temperature self-drying, therefore conventionally adopt at present acroleic acid polyurethane two-component coating, for example domestic bus, motor bus all adopt japanning, the supporting application of solvent-type acrylic polyurethane finish in solvent type epoxy rust-inhibiting paint, solvent-type acrylic urethane or polyester-polyurethane, and Water-borne modification technology is still blank.Though have a small amount of employing Water-borne modification technology application public transport, big bus abroad, but because be difficult to reach the painting effect of high gloss, high clarity, therefore generally adopt at present water-based half light or dumb light solid color enamel and solvent-borne type high solid varnish Lacquer finish matched coating, still belong in essence semi-aqueous level.Therefore, development is applicable to water-thinned antirust primer, aqueous primer surfacer and the aqueous finish paint series product of public transport, big bus application use, realize the complete Water-borne modification of public transport, big bus application, to reduce the usage quantity of VOC, reduce environmental pollution, the focus and the direction that become automotive coating research, have very important realistic meaning to energy-saving and emission-reduction, low-carbon environment-friendly.
Summary of the invention
The object of the present invention is to provide a kind of aqueous primer surfacer.
In order to realize above object, the technical solution adopted in the present invention is: a kind of aqueous primer surfacer, by A component and B component, formed, wherein A component is comprised of the component of following weight percentage: aqueous acrylic emulsion 40-55%, pigment 20-30%, pigment extender 20-30%, defoamer 0.5-1%, dispersion agent 0.5-1.5%, flow agent 0.1-0.5%, ground wetting agent 0.5-1.5%, auxiliary rheological agents 0.1-0.5%, anti-sudden strain of a muscle rust agent 1-2%, the deionized water of surplus; B component is waterborne curing agent; The weight proportion of A component and B component is (8-12): 1.
Further, described aqueous acrylic emulsion is one or more in following commercial goods: the XP of Beyer Co., Ltd 2427 resins, the XP of Beyer Co., Ltd 2470 resins, the Aberdeen gram AC of company 31 resins, the SC of Niu Peisi company 6638 resins, the SC of Niu Peisi company 6516 resins, the XK of DSM company 540 resins, Wo Li company A2241 W resin and the S937 T of BASF AG resin.
Described waterborne curing agent is one or more in following commercial goods: the HW of BASF AG 180 PC, the VPLS of Beyer Co., Ltd 2319, the XP of Beyer Co., Ltd 2655, the XP of Beyer Co., Ltd 2565, the VPLS of Beyer Co., Ltd 2150/1, X EZ-M 501He Rhodia of Rhodia 803.
Described defoamer is one or more in following commercial goods: the Byk of Bi Ke company 011, Byk 028, Byketol WS, the high company's T ego 805 of enlightening, Tego 803, Tego 901w, Tego 843.
Described dispersion agent is one or more in following commercial goods: the Gen of Borchers company 0451, Gen 0754, Gen 0650, the Byk of Bi Ke company 181, Byk 187, Byk 191, Byk 2010, the Dispex G40 of vapour Bagong department, Dispex HDN, the Disper 735w of Di Gao company, Disper 745w, Disper 755w, and 104 DPM of gas chemical company.
Described flow agent is one or more in following commercial goods: the Byk of Bi Ke company 381, Byk 380, the high company's T ego 270 of enlightening, Tego 425, Tego 450, Tego 410, the PW of Xian Chuan company 336, X 840.
Described ground wetting agent is one or more in following commercial goods: the high company's T ego 245 of enlightening, Tego 260, Tego 280, the Byk of Bi Ke company 345, Byk 348, the Baysilone of Borchers company 3739, the FC4430 of 3M company, the EFKA of EFKA company 3500.
Described auxiliary rheological agents is one or more in following commercial goods: the Hy of Degussa Corporation, Borchers company 0622, the W of LEHVOSS company
2n, the Viscoplus of Degussa Corporation 3000, Viscoplus 3030, Viscoplus 3060, the Viscalex AT88 of vapour Bagong department, the EWW of Xin Taike company.
One or more in the described anti-Shan Xiu Ji Weiwoli ADD of company 458, the COR C E660 B of Xian Chuan company, COR V 609 B, COR EV B, COR B, COR C 08 B.
Described pigment is anatase thpe white powder and/or carbon black; Described pigment extender is one or more in superfine talcum powder, mica powder and ultra-fine barium sulfate.
Aqueous primer surfacer provided by the invention has been realized the Water-borne modification of japanning in car paint use, compare with the solvent-based system Automotive Primer Surfacer of current use, in aqueous primer surfacer of the present invention, contained harmful substances obviously reduces, in aqueous primer surfacer of the present invention, do not detect the nuisances such as benzene,toluene,xylene, ethylbenzene, VOC content significantly reduces, high-content is only 75g/L, and the content of free formaldehyde also obviously reduces, and high-content is only 17mg/kg.Aqueous primer surfacer of the present invention has reduced the pollution to environment, has also improved painting operation personnel's Working environment simultaneously, and energy-saving and emission-reduction, low-carbon environment-friendly are had very important significance.
The effect of aqueous primer surfacer is the sticking power that increases priming paint and finish paint, clarity and fullness ratio that raising priming paint, middle japanning, finish paint matching operation paint below.Because aqueous finish paint is difficult to accomplish high gloss, so aqueous primer surfacer should have following performance: after 70 ℃ of oven drying at low temperatures easily polishing, not scab paper; Paint film can not be excessively loose, otherwise can cause finish paint gloss to decline, and clarity is poor; Possess certain anti-sudden strain of a muscle rust ability, in order to avoid the polishing of atomic lime putty layer excessively, occur that part is show-through, when spraying aqueous primer surfacer, occur dodging rust.The excellent property of aqueous primer surfacer provided by the invention, aqueous primer surfacer of the present invention adopts low oil absorption ferric, flakey pigment extender, paint film is fine and close, water regain and rate of permeation are low, good with aqueous automobile priming paint, aqueous automobile overcoatability, ply adhesion is good, does not affect gloss and the clarity of finish paint.Aqueous primer surfacer of the present invention has anti-sudden strain of a muscle rust ability, and salt fog resistance is good, can reach 408h, meets bus body painting requirement completely.
Aqueous primer surfacer of the present invention can be used for the application of bus, luxurious big bus, and construction technology amplitude is broad, construction environment temperature and humidity is required looser, and under the condition that is 10-80% at 5-35 ℃, humidity, coating quality all can reach passenger vehicle standard for acceptance.Aqueous primer surfacer of the present invention not only can be used for the former factory application of passenger vehicle, also can be used for car load renovation, car repair application.In addition, also can be used for application train, motorcycle, kitchen tools, household electrical appliances etc., market outlook are wide.
Embodiment
Embodiment 1
In the painting dressing automobiles use that the present embodiment provides, paint, A component and B component, consist of, wherein the composition of A component is shown in Table 1, and B component is the VPLS of Beyer Co., Ltd 2319, and the weight proportion of A component and B component is 10:1.
The composition of the A component of table 1 embodiment 1
The preparation method of the present embodiment aqueous primer surfacer: the composition by embodiment 1 aqueous primer surfacer takes each constitutive material, makes A component through high speed dispersion, grinding, filtration, packing standby; Separately by B component and PMA mixing for standby use; During use, directly the two is mixed.Wherein the VPLS of Beyer Co., Ltd 2319 with the weight ratio of PMA is: the VPLS 2319:PMA=85:15 of Beyer Co., Ltd.
Embodiment 2
In the painting dressing automobiles use that the present embodiment provides, paint, A component and B component, consist of, wherein the composition of A component is shown in Table 2, and B component is the mixture of the VPLS of Beyer Co., Ltd 2319 and the XP of Beyer Co., Ltd 2565, and the weight proportion of A component and B component is 8:1.
The composition of the A component of table 2 embodiment 2
The preparation method of the present embodiment aqueous primer surfacer: the composition by embodiment 2 aqueous primer surfacers takes each constitutive material, makes A component through high speed dispersion, grinding, filtration, packing standby; Separately by B component and PMA mixing for standby use; During use, directly the two is mixed.Wherein the weight ratio of the VPLS of Beyer Co., Ltd 2319, the XP of Beyer Co., Ltd 2565 and PMA is: the VPLS of Beyer Co., Ltd 2319: the XP 2565:PMA=68:20:12 of Beyer Co., Ltd.
Embodiment 3
In the painting dressing automobiles use that the present embodiment provides, paint, A component and B component, consist of, wherein the composition of A component is shown in Table 3, and B component is the mixture of the VPLS of Beyer Co., Ltd 2319 and Rhodia 803, and the weight proportion of A component and B component is 12:1.
The composition of the A component of table 3 embodiment 3
The preparation method of the present embodiment aqueous primer surfacer: the composition by embodiment 3 aqueous primer surfacers takes each constitutive material, makes A component through high speed dispersion, grinding, filtration, packing standby; Separately by B component and PMA mixing for standby use; During use, directly the two is mixed.Wherein the weight ratio of the VPLS of Beyer Co., Ltd 2319, Rhodia 803 and PMA is: the VPLS of Beyer Co., Ltd 2319: the 803:PMA=68:20:12 of Rhodia.
The aqueous primer surfacer that embodiment 1-embodiment 3 is provided has carried out Performance Detection, because solvent-borne type Automotive Primer Surfacer is without national standard and industry standard, therefore adopt the test item of solvent-borne type vehicle paint base national standard to work out to paint in aqueous dual-component acroleic acid polyurethane company standard, detected result is in Table shown in 4-table 6.
At present in solvent-borne type vehicle paint base national standard not to VOC content, benzene, toluene, dimethylbenzene and ethylbenzene total content, free formaldehyde content and soluble heavy metal content are made stipulations, but known according to water soluble acrylic acid polyurethane inter-coat environmental labelling product authentication survey report, National Environmental famous special product authentication is at present to VOC content in water soluble acrylic acid polyurethane inter-coat, benzene, toluene, dimethylbenzene and ethylbenzene total content, free formaldehyde content and soluble heavy metal content reach qualified requirement respectively: VOC content≤250g/L is qualified, benzene+toluene+dimethylbenzene+ethylbenzene total content≤500mg/kg is qualified, free formaldehyde content≤100mg/kg is qualified, in soluble heavy metal: lead≤90mg/kg, cadmium≤75mg/kg, chromium≤60mg/kg, mercury≤60mg/kg is qualified.From table 4-table 6, can find out, in the aqueous primer surfacer that embodiment of the present invention 1-embodiment 3 provides, VOC content, free formaldehyde content and soluble heavy metal content, all significantly lower than above-mentioned qualified level, and do not detect benzene,toluene,xylene and ethylbenzene.
Table 4 embodiment 1 aqueous primer surfacer performance test results
Table 5 embodiment 2 aqueous primer surfacer performance test results
Table 6 embodiment 3 aqueous primer surfacer performance test results
Claims (1)
1. an aqueous primer surfacer, it is characterized in that, by A component, B component and PMA, formed, wherein A component is comprised of the component of following weight percentage: aqueous acrylic emulsion 44.5%, pigment 20.2%, pigment extender 29.8%, defoamer 0.8%, dispersion agent 1.0% flow agent 0.3%, ground wetting agent 0.5%, auxiliary rheological agents 0.1%, the agent 1% of anti-sudden strain of a muscle rust, deionized water 1.8%; B component is waterborne curing agent; The weight proportion of A component and B component is 8:1;
Described aqueous acrylic emulsion is that XP2470 resin and XK540 resin, pigment are that anatase thpe white powder and carbon black, pigment extender are that superfine talcum powder and ultra-fine barium sulfate, defoamer are that Byk011 and Byk028, dispersion agent are that Disper735w, flow agent are that Byk381, ground wetting agent are that Byk348, auxiliary rheological agents are that Hy, the agent of anti-sudden strain of a muscle rust are that ADD458, waterborne curing agent are VPLS2319 and XP2565;
Wherein B component and PMA are used proportioning to be: VPLS2319:XP2565:PMA=68:20:12.
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| CN201110155845.4A CN102250541B (en) | 2011-06-10 | 2011-06-10 | Aqueous primer surfacer |
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| CN201110155845.4A CN102250541B (en) | 2011-06-10 | 2011-06-10 | Aqueous primer surfacer |
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| CN102250541A CN102250541A (en) | 2011-11-23 |
| CN102250541B true CN102250541B (en) | 2014-03-26 |
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Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CZ304190B6 (en) * | 2012-12-11 | 2013-12-18 | Vysoká Škola Báňská - Technická Univerzita Ostrava | Application method of water-soluble clear lacquer to metallurgical product |
| CN105985710B (en) * | 2015-02-04 | 2018-08-03 | 常州市武进晨光金属涂料有限公司 | Aqueous short processes basecoat and its coating process |
| CN107641379A (en) * | 2017-10-23 | 2018-01-30 | 河北晨阳工贸集团有限公司 | A kind of special sealing wax of bumper and its preparation, application method |
| CN107652731A (en) * | 2017-11-06 | 2018-02-02 | 东莞市全印铼实业有限公司 | A kind of high heat conduction almag ground LED solidify coating and its manufacture method |
| CN108250930A (en) * | 2018-01-30 | 2018-07-06 | 河北晨阳工贸集团有限公司 | A kind of agricultural machinery environment protecting water-based paint and preparation method |
| CN108276890B (en) * | 2018-01-31 | 2021-01-26 | 紫荆花制漆（成都）有限公司 | Water-based automobile intermediate coating composition and preparation method thereof |
| CN116102966A (en) * | 2023-03-09 | 2023-05-12 | 双塔涂料科技有限公司 | High-solid-content passenger car middle paint capable of being sprayed with finishing paint in wet-on-wet mode and preparation method thereof |
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