CN105860615A - Calcium sulfate whisker modified water-based Dacromet coating bath for automotive spring and preparing method thereof - Google Patents

Calcium sulfate whisker modified water-based Dacromet coating bath for automotive spring and preparing method thereof Download PDF

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Publication number
CN105860615A
CN105860615A CN201610420422.3A CN201610420422A CN105860615A CN 105860615 A CN105860615 A CN 105860615A CN 201610420422 A CN201610420422 A CN 201610420422A CN 105860615 A CN105860615 A CN 105860615A
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CN
China
Prior art keywords
calcium sulfate
parts
zinc powder
liquid
sulfate whisker
Prior art date
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Pending
Application number
CN201610420422.3A
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Chinese (zh)
Inventor
王伟
沈先明
杨晓伟
陈亚雄
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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 CN201610420422.3A priority Critical patent/CN105860615A/en
Publication of CN105860615A publication Critical patent/CN105860615A/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
    • C09D5/10—Anti-corrosive paints containing metal dust
    • C09D5/103—Anti-corrosive paints containing metal dust containing Al
    • 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
    • C09D5/10—Anti-corrosive paints containing metal dust
    • C09D5/106—Anti-corrosive paints containing metal dust containing Zn
    • 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

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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)
  • Electroplating And Plating Baths Therefor (AREA)

Abstract

The invention discloses calcium sulfate whisker modified water-based Dacromet coating bath for an automotive spring. The Dacromet coating bath is prepared from, by weight, 20-30 parts of aluminum-zinc powder, 1-2 parts of calcium sulfate whisker, 3-5 parts of hydroxyethyl cellulose, 0.1-0.2 part of octenyl succinic anhydride, 0.3-0.5 part of butyl titanate, 0.3-0.5 part of titanate coupling agent TMC-201, 0.5-1 part of citric acid, 1-2 parts of magnesium nitrate, 0.3-0.5 part of 2-hydroxyphosphonocarboxylic acid, 6-8 parts of absolute ethyl alcohol, 2-4 parts of xylitol, 1-2 parts of silicon-acrylate emulsion and 40-60 parts of water. By the adoption of the Dacromet coating bath, a coating with high strength and excellent wear resistance and corrosion resistance can be formed on the surface of a substrate so as to realize a good protection effect; furthermore, adhesive force is high, stability is high, tenacity is high, impact resistance and abrasion resistance are realized, and practical value is high.

Description

A kind of motor spring calcium sulfate whisker modified 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 motor spring calcium sulfate whisker modified 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 motor spring calcium sulfate whisker modified aqueous Dacroment masking liquid and preparation method thereof.
The present invention is achieved by the following technical solutions:
A kind of motor spring is with calcium sulfate whisker modified aqueous Dacroment masking liquid, and it is to be prepared by the raw material of following weight parts:
Aluminum zinc powder 20-30, calcium sulfate crystal whiskers 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, magnesium nitrate 1-2,2-di guanidine-acetic acid 0.3-0.5, dehydrated alcohol 6-8, xylitol 2-4, silicone acrylic emulsion 1-2, 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 motor spring preparation method of calcium sulfate whisker modified aqueous Dacroment masking liquid, comprises the following steps:
(1) raw material is weighed by weight, uniform modified aluminium zinc powder is ground with calcium sulfate crystal whiskers, magnesium nitrate after first being mixed by aluminum zinc powder, the water of addition 1/3-1/2 amount will stir 5-10min again, and mix with modified aluminium zinc powder and be incorporated in 60-80 DEG C of stirring 0.5-1h, after cooling, obtain 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；Xylitol 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 calcium sulfate whisker modified aqueous Dacroment masking liquid of motor spring.
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 calcium sulfate crystal whiskers, silicone acrylic 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, play good protective action, and adhesive force is high, good stability, toughness is high, shock resistance abrasion resisting, has higher practical value.
Detailed description of the invention
A kind of motor spring is with calcium sulfate whisker modified aqueous Dacroment masking liquid, and it is to be prepared by the raw material of following weight parts:
Aluminum zinc powder 20, calcium sulfate crystal whiskers 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, magnesium nitrate 1,2-di guanidine-acetic acid 0.3, dehydrated alcohol 6, xylitol 2, silicone acrylic emulsion 1, 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 motor spring preparation method of calcium sulfate whisker modified aqueous Dacroment masking liquid, comprises the following steps:
(1) weigh raw material by weight, grind the uniform modified aluminium zinc powder that obtains after first being mixed with calcium sulfate crystal whiskers, magnesium nitrate by aluminum zinc powder, then stirring 5min in the water of 1/3 amount will be added, mix with modified aluminium zinc powder and be incorporated in 60 DEG C of stirring 0.5h, after cooling, obtain 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；Xylitol 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 calcium sulfate whisker modified aqueous Dacroment masking liquid of motor spring.
The coating formed after above-mentioned prepared Dacroment masking liquid coating is carried out performance test, and result is as follows:
Hardness: 5H；
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. a motor spring is with calcium sulfate whisker modified 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, calcium sulfate crystal whiskers 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, magnesium nitrate 1-2,2-di guanidine-acetic acid 0.3-0.5, dehydrated alcohol 6-8, xylitol 2-4, silicone acrylic emulsion 1-2, 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 motor spring the most according to claim 1 preparation method of calcium sulfate whisker modified aqueous Dacroment masking liquid, it is characterised in that comprise the following steps:
(1) raw material is weighed by weight, uniform modified aluminium zinc powder is ground with calcium sulfate crystal whiskers, magnesium nitrate after first being mixed by aluminum zinc powder, the water of addition 1/3-1/2 amount will stir 5-10min again, and mix with modified aluminium zinc powder and be incorporated in 60-80 DEG C of stirring 0.5-1h, after cooling, obtain 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；Xylitol 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 calcium sulfate whisker modified aqueous Dacroment masking liquid of motor spring.
CN201610420422.3A 2016-06-13 2016-06-13 Calcium sulfate whisker modified water-based Dacromet coating bath for automotive spring and preparing method thereof Pending CN105860615A (en)

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Application Number Priority Date Filing Date Title
CN201610420422.3A CN105860615A (en) 2016-06-13 2016-06-13 Calcium sulfate whisker modified water-based Dacromet coating bath for automotive spring and preparing method thereof

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPWO2020008753A1 (en) * 2018-07-02 2020-07-09 日本電信電話株式会社 paint

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102277022A (en) * 2011-08-17 2011-12-14 南京工业大学 Water-based chrome-free Dacromet coating solution and preparation method thereof

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102277022A (en) * 2011-08-17 2011-12-14 南京工业大学 Water-based chrome-free Dacromet coating solution and preparation method thereof

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPWO2020008753A1 (en) * 2018-07-02 2020-07-09 日本電信電話株式会社 paint
US11920059B2 (en) 2018-07-02 2024-03-05 Nippon Telegraph And Telephone Corporation Coating material

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Application publication date: 20160817