CN105885483A - Butylbenzene-emulsion-modified waterborne dacromet coating solution for automobile chassis and preparation method of coating solution - Google Patents
Butylbenzene-emulsion-modified waterborne dacromet coating solution for automobile chassis and preparation method of coating solution Download PDFInfo
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- CN105885483A CN105885483A CN201610420359.3A CN201610420359A CN105885483A CN 105885483 A CN105885483 A CN 105885483A CN 201610420359 A CN201610420359 A CN 201610420359A CN 105885483 A CN105885483 A CN 105885483A
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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
- C09D1/00—Coating compositions, e.g. paints, varnishes or lacquers, based on inorganic substances
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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
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/08—Anti-corrosive paints
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/61—Additives non-macromolecular inorganic
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/63—Additives non-macromolecular organic
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/65—Additives macromolecular
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/70—Additives characterised by shape, e.g. fibres, flakes or microspheres
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- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Paints Or Removers (AREA)
Abstract
The invention discloses a butylbenzene-emulsion-modified waterborne dacromet coating solution for an automobile chassis. The coating solution is prepared from, by weight, 20-30 parts of aluminum-zinc powder, 1-2 parts of nano attapulgite, 1-2 parts of silicon carbide whiskers, 3-5 parts of hydroxyethyl cellulose, 0.1-0.2 part of alkenyl succinic anhydride, 0.3-0.5 part of butyl titanate, 0.3-0.5 part of a titanate coupling agent TMC-201, 0.5-1 part of citric acid, 2-4 parts of butylbenzene emulsion, 0.5-1 part of ammonium acetate, 6-8 parts of absolute ethyl alcohol, 2-4 parts of sorbitol and 40-60 parts of water. The dacromet coating solution can form a coating which is high in strength, good in abrasion resistance and excellent in corrosion resistance on the surface of a substrate, a good protection effect is achieved, and in addition, the coating solution is high in adhesion, good in stability, high in flexibility and good in impact resistance and has high practical value.
Description
Technical field
The present invention relates to Metal surface anti-corrosion paint field, particularly relate to a kind of automobile chassis styrene-butadiene emulsion modified water-soluble Dacroment masking liquid and preparation method thereof.
Background technology
Dacromet Technology is a kind of novel process for treating surface, by workpiece being directly immersed in the treatment fluid that zincilate, aluminium powder and chromic anhydride are primary raw material, or brush, spraying make treatment fluid adhere to surface of the work, then sintering is formed containing zinc, aluminium, the inorganic conversion film of chromium, thus protects surface of the work.Compared with traditional electroplating technology, Dacromet/steel has superpower corrosion resisting property and stability, and environment does not produce in process pollution.Owing to auto-parts have higher requirement for stability, solar heat protection, protection against the tide and anti-corrosion performance etc., Dacromet Technology have also been obtained in automobile industry and is widely applied.
But, Dacromet/steel is not completely " green coating ", can remaining minimal amount of Cr in Dacromet/steel6+, people and animals and plants are had the biggest toxic action, and ecological environment are caused certain pollution.And the corrosion resistance of the formed coating of chromium-free Dyclo masking liquid is substantially reduced, it is difficult to reach use demand.And, the mechanical performance of Dacromet/steel is poor, and low with the adhesion of base material, storage stability is the highest, which also limits its range of application.Therefore, exploitation can be formed at matrix surface has good mechanical properties and the chromium-free Dyclo masking liquid of corrosion proof firm coating, has the highest practical value and market potential.
Summary of the invention
The object of the invention is contemplated to make up the defect of prior art, it is provided that a kind of automobile chassis styrene-butadiene emulsion modified water-soluble Dacroment masking liquid and preparation method thereof.
The present invention is achieved by the following technical solutions:
A kind of automobile chassis styrene-butadiene emulsion modified water-soluble Dacroment masking liquid, it is to be prepared by the raw material of following weight parts:
Aluminium zinc powder 20-30, nano-attapulgite 1-2, silicon carbide whisker 1-2, hydroxyethyl cellulose 3-5, octenyl succinic acid anhydride 0.1-0.2, butyl titanate 0.3-0.5, titanate coupling agent TMC-201 0.3-0.5, citric acid 0.5-1; styrene-butadiene emulsion 2-4, ammonium acetate 0.5-1, absolute ethyl alcohol 6-8; sorbierite 2-4, water 40-60；
Wherein aluminium zinc powder is made up of aluminium powder and zinc powder mixing, and wherein aluminium powder is 1:5-1:2 with the weight ratio of zinc powder.
The preparation method of a kind of automobile chassis styrene-butadiene emulsion modified water-soluble Dacroment masking liquid, comprises the following steps:
(1) raw material is weighed by weight, uniform modified aluminium zinc powder is ground with nano-attapulgite, silicon carbide whisker, sodium thiosulfate, ammonium acetate after first being mixed by aluminium zinc powder, add in the water of 1/3-1/2 amount and stir 0.5-1h in 60-80 DEG C, after cooling, obtaining composite mortar；
(2) first octenyl succinic acid anhydride is mixed with absolute ethyl alcohol, add butyl titanate and titanate coupling agent TMC-201 stirs, be subsequently adding hydroxyethyl cellulose stirring 1-2h, obtain A liquid；Sorbierite is added in the water of surplus and be uniformly mixed, then pH is adjusted to 8-9, obtain B liquid；A liquid is slowly added dropwise in B liquid and stirs 3-5h, during keep pH between 8-9, temperature is 45-50 DEG C, after cooling, pH is adjusted to neutrality, obtains modified hydroxyethylcellulosadsorbing solution；
(3) it is sufficiently stirred for 0.5-1h after being mixed with remaining raw material by the modified hydroxyethylcellulosadsorbing solution in the composite mortar in (1), (2), obtains automobile chassis styrene-butadiene emulsion modified water-soluble Dacroment masking liquid.
The invention have the advantage that
The present invention utilizes octenyl succinic acid anhydride, butyl titanate and titanate coupling agent carry out compound graft modification to hydroxyethyl cellulose, and and styrene-butadiene emulsion, nano-attapulgite, the raw materials such as silicon carbide whisker are compounding obtains aqueous Dacroment masking liquid, after Overheating Treatment, play the collaborative coating function to aluminium zinc powder, and it is combined into organic network structure by crosslinked action, thus it is high to be cross-linked to form mechanical strength at substrate surface, adhesion is good, fine and close composite network structure coating, the porosity of coating is low, surfacing, composition is uniformly, base material is had the protective action of excellence.The Dacroment masking liquid that the present invention obtains can not only form at matrix surface that intensity is high, anti-wear performance is good, the coating of excellent anti-corrosion performance, plays good protective action, and adhesive force is high, good stability, toughness is high, and hardness and shock resistance are strong, have higher practical value.
Detailed description of the invention
A kind of automobile chassis styrene-butadiene emulsion modified water-soluble Dacroment masking liquid, it is to be prepared by the raw material of following weight parts:
Aluminium zinc powder 20, nano-attapulgite 1, silicon carbide whisker 1, hydroxyethyl cellulose 3, octenyl succinic acid anhydride 0.1, butyl titanate 0.3, titanate coupling agent TMC-201 0.3, citric acid 0.5, styrene-butadiene emulsion 2, ammonium acetate 0.5, absolute ethyl alcohol 6, sorbierite 2, water 40；
Wherein aluminium zinc powder is made up of aluminium powder and zinc powder mixing, and wherein aluminium powder is 1:5 with the weight ratio of zinc powder.
The preparation method of a kind of automobile chassis styrene-butadiene emulsion modified water-soluble Dacroment masking liquid, comprises the following steps:
(1) weigh raw material by weight, after first being mixed with nano-attapulgite, silicon carbide whisker, sodium thiosulfate, ammonium acetate by aluminium zinc powder, grind uniform modified aluminium zinc powder, add in the water of 1/3 amount and stir 0.5h in 60 DEG C, after cooling composite mortar；
(2) first octenyl succinic acid anhydride is mixed with absolute ethyl alcohol, add butyl titanate and titanate coupling agent TMC-201 stirs, be subsequently adding hydroxyethyl cellulose stirring 1h, obtain A liquid；Sorbierite is added in the water of surplus and be uniformly mixed, then pH is adjusted to 8-9, obtain B liquid；A liquid is slowly added dropwise in B liquid and stirs 3h, during keep pH between 8-9, temperature is 45 DEG C, after cooling, pH is adjusted to neutrality, obtains modified hydroxyethylcellulosadsorbing solution；
(3) it is sufficiently stirred for 0.5h after being mixed with remaining raw material by the modified hydroxyethylcellulosadsorbing solution in the composite mortar in (1), (2), obtains automobile chassis styrene-butadiene emulsion modified water-soluble Dacroment masking liquid.
The coating formed after above-mentioned prepared Dacroment masking liquid coating is carried out performance test, and result is as follows:
Hardness: 6H；
Salt spray resistance: >=1500h；
300 DEG C of humidity resistance life-span: >=240h；
Stability: can stably preserve more than three months under normal temperature.
Claims (2)
1. an automobile chassis styrene-butadiene emulsion modified water-soluble Dacroment masking liquid, it is characterised in that it is to be prepared by the raw material of following weight parts:
Aluminium zinc powder 20-30, nano-attapulgite 1-2, silicon carbide whisker 1-2, hydroxyethyl cellulose 3-5, octenyl succinic acid anhydride 0.1-0.2, butyl titanate 0.3-0.5, titanate coupling agent TMC-201 0.3-0.5, citric acid 0.5-1; styrene-butadiene emulsion 2-4, ammonium acetate 0.5-1, absolute ethyl alcohol 6-8; sorbierite 2-4, water 40-60；
Described aluminium zinc powder is mixed by aluminium powder and zinc powder and forms, and wherein aluminium powder is 1:5-1:2 with the weight ratio of zinc powder.
The preparation method of a kind of automobile chassis styrene-butadiene emulsion modified water-soluble Dacroment masking liquid the most according to claim 1, it is characterised in that comprise the following steps:
(1) raw material is weighed by weight, uniform modified aluminium zinc powder is ground with nano-attapulgite, silicon carbide whisker, sodium thiosulfate, ammonium acetate after first being mixed by aluminium zinc powder, add in the water of 1/3-1/2 amount and stir 0.5-1h in 60-80 DEG C, after cooling, obtaining composite mortar；
(2) first octenyl succinic acid anhydride is mixed with absolute ethyl alcohol, add butyl titanate and titanate coupling agent TMC-201 stirs, be subsequently adding hydroxyethyl cellulose stirring 1-2h, obtain A liquid；Sorbierite is added in the water of surplus and be uniformly mixed, then pH is adjusted to 8-9, obtain B liquid；A liquid is slowly added dropwise in B liquid and stirs 3-5h, during keep pH between 8-9, temperature is 45-50 DEG C, after cooling, pH is adjusted to neutrality, obtains modified hydroxyethylcellulosadsorbing solution；
(3) it is sufficiently stirred for 0.5-1h after being mixed with remaining raw material by the modified hydroxyethylcellulosadsorbing solution in the composite mortar in (1), (2), obtains automobile chassis styrene-butadiene emulsion modified water-soluble Dacroment masking liquid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610420359.3A CN105885483A (en) | 2016-06-12 | 2016-06-12 | Butylbenzene-emulsion-modified waterborne dacromet coating solution for automobile chassis and preparation method of coating solution |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610420359.3A CN105885483A (en) | 2016-06-12 | 2016-06-12 | Butylbenzene-emulsion-modified waterborne dacromet coating solution for automobile chassis and preparation method of coating solution |
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| Publication Number | Publication Date |
|---|---|
| CN105885483A true CN105885483A (en) | 2016-08-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610420359.3A Pending CN105885483A (en) | 2016-06-12 | 2016-06-12 | Butylbenzene-emulsion-modified waterborne dacromet coating solution for automobile chassis and preparation method of coating solution |
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| Country | Link |
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| CN (1) | CN105885483A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101041760A (en) * | 2007-04-25 | 2007-09-26 | 沈阳市航达科技有限责任公司 | Water-based anticorrosive paint and preparation method thereof |
| CN102277022A (en) * | 2011-08-17 | 2011-12-14 | 南京工业大学 | Water-based chromium-free Dacromet coating liquid and preparation method thereof |
| CN103992667A (en) * | 2014-05-16 | 2014-08-20 | 吴江市英力达塑料包装有限公司 | Environment-friendly paint and preparation method thereof |
| CN104004423A (en) * | 2014-06-17 | 2014-08-27 | 西南大学 | Multifunctional environment-friendly waterproof paint |
| CN104387826A (en) * | 2014-11-03 | 2015-03-04 | 中国科学院金属研究所 | Single-component environment-friendly zinc-aluminum-silicon coating and preparation method of coating |
-
2016
- 2016-06-12 CN CN201610420359.3A patent/CN105885483A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101041760A (en) * | 2007-04-25 | 2007-09-26 | 沈阳市航达科技有限责任公司 | Water-based anticorrosive paint and preparation method thereof |
| CN102277022A (en) * | 2011-08-17 | 2011-12-14 | 南京工业大学 | Water-based chromium-free Dacromet coating liquid and preparation method thereof |
| CN103992667A (en) * | 2014-05-16 | 2014-08-20 | 吴江市英力达塑料包装有限公司 | Environment-friendly paint and preparation method thereof |
| CN104004423A (en) * | 2014-06-17 | 2014-08-27 | 西南大学 | Multifunctional environment-friendly waterproof paint |
| CN104387826A (en) * | 2014-11-03 | 2015-03-04 | 中国科学院金属研究所 | Single-component environment-friendly zinc-aluminum-silicon coating and preparation method of coating |
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Application publication date: 20160824 |