CN105968895A - Abrasion-resistant and scratch-resistant waterborne Dacromet coating liquid for automotive chassis and preparation method of Dacromet coating liquid - Google Patents

Abrasion-resistant and scratch-resistant waterborne Dacromet coating liquid for automotive chassis and preparation method of Dacromet coating liquid Download PDF

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Publication number
CN105968895A
CN105968895A CN201610420385.6A CN201610420385A CN105968895A CN 105968895 A CN105968895 A CN 105968895A CN 201610420385 A CN201610420385 A CN 201610420385A CN 105968895 A CN105968895 A CN 105968895A
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China
Prior art keywords
resistant
parts
zinc powder
coating liquid
liquid
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Pending
Application number
CN201610420385.6A
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Chinese (zh)
Inventor
万丽丽
杨辉
余海飞
黄胜
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Hefei Hean Machinery Manufacturing Co Ltd
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Hefei Hean Machinery Manufacturing Co Ltd
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Priority to CN201610420385.6A priority Critical patent/CN105968895A/en
Publication of CN105968895A publication Critical patent/CN105968895A/en
Pending legal-status Critical Current

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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
    • 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
    • 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
    • C09D5/18—Fireproof paints including high temperature resistant paints
    • 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
    • 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
    • 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
    • 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)
  • Application Of Or Painting With Fluid Materials (AREA)

Abstract

The invention discloses abrasion-resistant and scratch-resistant waterborne Dacromet coating liquid for an automotive chassis. The Dacromet coating liquid is prepared from, by weight, 20-30 parts of aluminum-zinc powder, 2-4 parts of potassium titanate crystal whiskers, 0.3-0.5 part of glycerin monostearate, 3-5 parts of hydroxyethyl cellulose, 0.1-0.2 part of octenylsuccinic 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, 1-2 parts of carnauba wax emulsion, 1-2 parts of sodium metavanadate, 6-8 parts of absolute ethyl alcohol, 0.3-0.5 part of dioctyl sulfonated sodium succinate and 40-60 parts of water. The Dacromet coating liquid not only can form a coating which is high in strength, good in abrasion resistance and excellent in corrosion resistance on the substrate surface to achieve the good protection effect, but also is high in adhesive force, good in stability, high in hardness and good in abrasion resistance and scratch resistance and has the high practical value.

Description

A kind of automobile chassis wear-resistant damage resistant aqueous Dacroment masking liquid and preparation method thereof
Technical field
The present invention relates to Metal surface anti-corrosion paint field, particularly relate to a kind of automobile chassis wear-resistant damage resistant aqueous 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, aluminum, 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 the course of processing 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 wear-resistant damage resistant aqueous Dacroment masking liquid and preparation method thereof.
The present invention is achieved by the following technical solutions:
A kind of automobile chassis is with wear-resistant damage resistant aqueous Dacroment masking liquid, and it is to be prepared by the raw material of following weight parts:
Aluminum zinc powder 20-30, potassium titanate crystal whisker 2-4, glyceryl monostearate 0.3-0.5, 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, Brazil wax emulsion 1-2, sodium metavanadate 1-2, dehydrated alcohol 6-8, sodium dioctyl sulfosuccinate 0.3-0.5, water 40-60；
Wherein aluminum 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.
A kind of automobile chassis preparation method of wear-resistant damage resistant aqueous Dacroment masking liquid, comprises the following steps:
(1) weigh raw material by weight, after first being mixed with potassium titanate crystal whisker, glyceryl monostearate by aluminum zinc powder, grind uniform modified aluminium zinc powder, add the water of 1/3-1/2 amount and stir 0.5-1h in 60-80 DEG C, after cooling composite mortar；
(2) first octenyl succinic acid anhydride is mixed homogeneously with dehydrated alcohol, add butyl titanate and titanate coupling agent TMC-201 stirs, be subsequently adding hydroxyethyl cellulose stirring 1-2h, obtain A liquid；Sodium dioctyl sulfosuccinate 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 the wear-resistant damage resistant aqueous Dacroment masking liquid of automobile chassis.
The invention have the advantage that
The present invention utilizes octenyl succinic acid anhydride, butyl titanate and titanate coupling agent that hydroxyethyl cellulose carries out compound graft modification, and compounding with the raw material such as potassium titanate crystal whisker, Brazil wax emulsion obtain aqueous Dacroment masking liquid, after Overheating Treatment, play the collaborative coating function to aluminum zinc powder, and it is combined into organic network structure by crosslinked action, thus it is cross-linked to form, at substrate surface, the composite network structure coating that mechanical strength is high, adhesion is good, fine and close, the porosity of coating is low, surfacing, composition uniformly, have the protective action of excellence to base material.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, hardness is high, wear-resistant, scratch resistant performance good, has higher practical value.
Detailed description of the invention
A kind of automobile chassis is with wear-resistant damage resistant aqueous Dacroment masking liquid, and it is to be prepared by the raw material of following weight parts:
Aluminum zinc powder 20, potassium titanate crystal whisker 2, glyceryl monostearate 0.3, hydroxyethyl cellulose 3, octenyl succinic acid anhydride 0.1, butyl titanate 0.3, titanate coupling agent TMC-201 0.3, citric acid 0.5, Brazil wax emulsion 1, sodium metavanadate 1, dehydrated alcohol 6, sodium dioctyl sulfosuccinate 0.3, water 40；
Wherein aluminum 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.
A kind of automobile chassis preparation method of wear-resistant damage resistant aqueous Dacroment masking liquid, comprises the following steps:
(1) weigh raw material by weight, after first being mixed with potassium titanate crystal whisker, glyceryl monostearate by aluminum zinc powder, grind uniform modified aluminium zinc powder, add 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 homogeneously with dehydrated alcohol, add butyl titanate and titanate coupling agent TMC-201 stirs, be subsequently adding hydroxyethyl cellulose stirring 1h, obtain A liquid；Sodium dioctyl sulfosuccinate 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 the wear-resistant damage resistant aqueous Dacroment masking liquid of automobile chassis.
The coating formed after above-mentioned prepared Dacroment masking liquid coating is carried out performance test, and result is as follows:
Hardness: 7H；
Salt spray resistance: >=1500h；
300 DEG C of humidity resistance life-span: >=240h；
Stability: can stably preserve more than three months under room temperature.

Claims (2)

1. an automobile chassis is with wear-resistant damage resistant aqueous Dacroment masking liquid, it is characterised in that it is to be prepared by the raw material of following weight parts:
Aluminum zinc powder 20-30, potassium titanate crystal whisker 2-4, glyceryl monostearate 0.3-0.5, 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, Brazil wax emulsion 1-2, sodium metavanadate 1-2, dehydrated alcohol 6-8, sodium dioctyl sulfosuccinate 0.3-0.5, water 40-60；
Described aluminum 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.
A kind of automobile chassis the most according to claim 1 preparation method of wear-resistant damage resistant aqueous Dacroment masking liquid, it is characterised in that comprise the following steps:
(1) weigh raw material by weight, after first being mixed with potassium titanate crystal whisker, glyceryl monostearate by aluminum zinc powder, grind uniform modified aluminium zinc powder, add the water of 1/3-1/2 amount and stir 0.5-1h in 60-80 DEG C, after cooling composite mortar；
(2) first octenyl succinic acid anhydride is mixed homogeneously with dehydrated alcohol, add butyl titanate and titanate coupling agent TMC-201 stirs, be subsequently adding hydroxyethyl cellulose stirring 1-2h, obtain A liquid；Sodium dioctyl sulfosuccinate 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 the wear-resistant damage resistant aqueous Dacroment masking liquid of automobile chassis.
CN201610420385.6A 2016-06-12 2016-06-12 Abrasion-resistant and scratch-resistant waterborne Dacromet coating liquid for automotive chassis and preparation method of Dacromet coating liquid Pending CN105968895A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107022256A (en) * 2017-02-15 2017-08-08 滁州金桥德克新材料有限公司 High ferro girder steel protection metal anti-corrosive paint

Citations (4)

* Cited by examiner, † Cited by third party
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
CN103740152A (en) * 2013-11-12 2014-04-23 宁波墨西科技有限公司 Graphene-modified chromium-free Dacromet coating material
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

Patent Citations (4)

* Cited by examiner, † Cited by third party
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
CN103740152A (en) * 2013-11-12 2014-04-23 宁波墨西科技有限公司 Graphene-modified chromium-free Dacromet coating material
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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107022256A (en) * 2017-02-15 2017-08-08 滁州金桥德克新材料有限公司 High ferro girder steel protection metal anti-corrosive paint

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Application publication date: 20160928

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