CN106046872A - Microcrystalline graphite-tannin extract composite waterborne Dacromet coating liquid and preparation method thereof - Google Patents

Microcrystalline graphite-tannin extract composite waterborne Dacromet coating liquid and preparation method thereof Download PDF

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Publication number
CN106046872A
CN106046872A CN201610420397.9A CN201610420397A CN106046872A CN 106046872 A CN106046872 A CN 106046872A CN 201610420397 A CN201610420397 A CN 201610420397A CN 106046872 A CN106046872 A CN 106046872A
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China
Prior art keywords
zinc powder
liquid
micro crystal
crystal graphite
mixed
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Pending
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CN201610420397.9A
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Chinese (zh)
Inventor
彭高峰
王伟
杨晓伟
袁学红
赵雨昕
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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 CN201610420397.9A priority Critical patent/CN106046872A/en
Publication of CN106046872A publication Critical patent/CN106046872A/en
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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)

Abstract

The invention discloses a microcrystalline graphite-tannin extract composite waterborne Dacromet coating liquid which is prepared from, by weight, 20-30 aluminum zinc powder, 1-2 parts of microcrystalline graphite, 0.5-1 part of ultrafine magnesium hydroxide, 3-5 parts of hyxroxyethyl cellulose, 0.5-1 part of tannin extract, 0.1-0.2 part of octenyl succinic anhydride, 0.3-0.5 part of butyl titanate, 0.5-1 part of dinonyl barium sulfonate, 0.3-0.5 part of titanate coupling agent TMC-201, 0.5-1 part of butyl cellosolve, 6-8 parts of anhydrous alcohol, 0.5-1 part of citric acid, 0.5-1 part of sodium fluorosilicate and 40-60 parts of water. The Dacromet coating liquid can form a coating which is high in strength, good in wear resistance and excellent in corrosion resistance on the surface of a matrix to play a good role in protection, is high in adhesiveness and stability, has high scratch resistance and self-lubricating performance and is high in practical value.

Description

A kind of micro crystal graphite-tannic extract composite water soluble 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 micro crystal graphite-tannic extract composite water soluble and reach gram Sieve masking liquid and preparation method thereof.
Background technology
Dacromet Technology is a kind of novel process for treating surface, by workpiece is directly immersed in zincilate, aluminium powder and chromium Acid anhydride is in the treatment fluid of primary raw material, or brush, spraying make treatment fluid adhere to surface of the work, then sintering formed containing zinc, aluminum, The inorganic conversion film of chromium, thus surface of the work is protected.Compared with traditional electroplating technology, Dacromet/steel has superpower Corrosion resisting property and stability, and environment is not produced pollution in the course of processing.Due to auto-parts for stability, Solar heat protection, protection against the tide and anti-corrosion performance etc. have higher requirement, and 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 chromium-free Dyclo is coated with The corrosion resistance of the formed coating of liquid is substantially reduced, it is difficult to reach use demand.And, the mechanical performance of Dacromet/steel is poor, Low with the adhesion of base material, storage stability is the highest, which also limits its range of application.Therefore, exploitation can be in matrix surface shape Become there is good mechanical properties and the chromium-free Dyclo masking liquid of corrosion proof firm coating, there is the highest practical value and city Field potentiality.
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 micro crystal graphite-tannic extract composite water soluble reaches Crow masking liquid and preparation method thereof.
The present invention is achieved by the following technical solutions:
A kind of micro crystal graphite-tannic extract composite water soluble Dacroment masking liquid, it is to be prepared by the raw material of following weight parts:
Aluminum zinc powder 20-30, micro crystal graphite 1-2, super fine magnesium hydroxide 0.5-1, hydroxyethyl cellulose 3-5, tannic extract 0.5-1, octene Base succinic anhydrides 0.1-0.2, butyl titanate 0.3-0.5, dinonyl naphthalene sulfonate barium 0.5-1, titanate coupling agent TMC-201 0.3-0.5, butyl glycol ether 0.5-1, dehydrated alcohol 6-8, citric acid 0.5-1, prodan 0.5-1, 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.
The preparation method of a kind of micro crystal graphite-tannic extract composite water soluble Dacroment masking liquid, comprises the following steps:
(1) weigh raw material by weight, after first being mixed with micro crystal graphite, super fine magnesium hydroxide by aluminum zinc powder, grind uniform modified aluminium Zinc powder, then tannic extract is added stirring 5-10min in the water of 1/3-1/2 amount, mix being incorporated in 60-80 DEG C of stirring with modified aluminium zinc powder 0.5-1h, obtains composite mortar after cooling；
(2) first octenyl succinic acid anhydride is mixed homogeneously with dehydrated alcohol, add butyl titanate and titanate coupling agent TMC- 201 stir, and are subsequently adding hydroxyethyl cellulose stirring 1-2h, obtain A liquid；Dinonyl naphthalene sulfonate barium is added in the water of surplus It is 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 is between 8-9, and temperature is 45-50 DEG C, after cooling, pH is adjusted to neutrality, obtains modified hydroxyethylcellulosadsorbing solution；
(3) it is sufficiently stirred for after the modified hydroxyethylcellulosadsorbing solution in the composite mortar in (1), (2) being mixed with remaining raw material 0.5-1h, obtains micro crystal graphite-tannic extract composite 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 that hydroxyethyl cellulose carries out compound grafting Modification, and compounding with the raw material such as micro crystal graphite, super fine magnesium hydroxide, tannic extract obtain aqueous Dacroment masking liquid, after Overheating Treatment, Play the collaborative coating function to aluminum zinc powder, and be combined into organic network structure by crosslinked action, thus at substrate surface Being cross-linked to form 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, has the protective action of excellence to base material.The Dacroment masking liquid that the present invention obtains can not only be formed at matrix surface Intensity is high, anti-wear performance is good, the coating of excellent anti-corrosion performance, plays good protective action, and adhesive force is high, stability Good, there is scratch-resistant power and the self-lubricating property of height, practical value is high.
Detailed description of the invention
A kind of micro crystal graphite-tannic extract composite water soluble Dacroment masking liquid, it is to be prepared by the raw material of following weight parts:
Aluminum zinc powder 20, micro crystal graphite 1, super fine magnesium hydroxide 0.5, hydroxyethyl cellulose 3, tannic extract 0.5, octenyl succinic acid anhydride 0.1, butyl titanate 0.3, dinonyl naphthalene sulfonate barium 0.5, titanate coupling agent TMC-201 0.3, butyl glycol ether 0.5, anhydrous Ethanol 6, citric acid 0.5, prodan 0.5, 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.
The preparation method of a kind of micro crystal graphite-tannic extract composite water soluble Dacroment masking liquid, comprises the following steps:
(1) weigh raw material by weight, after first being mixed with micro crystal graphite, super fine magnesium hydroxide by aluminum zinc powder, grind uniform modified aluminium Zinc powder, then tannic extract is added stirring 5min in the water of 1/3 amount, 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 stir, and are subsequently adding hydroxyethyl cellulose stirring 1h, obtain A liquid；Dinonyl naphthalene sulfonate barium is added in the water of surplus and stir Mix mix homogeneously, 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 exist 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 after the modified hydroxyethylcellulosadsorbing solution in the composite mortar in (1), (2) being mixed with remaining raw material 0.5h, obtains micro crystal graphite-tannic extract composite 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: 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. micro crystal graphite-tannic extract composite water soluble Dacroment masking liquid, it is characterised in that it is by the raw material system of following weight parts :
Aluminum zinc powder 20-30, micro crystal graphite 1-2, super fine magnesium hydroxide 0.5-1, hydroxyethyl cellulose 3-5, tannic extract 0.5-1, octene Base succinic anhydrides 0.1-0.2, butyl titanate 0.3-0.5, dinonyl naphthalene sulfonate barium 0.5-1, titanate coupling agent TMC-201 0.3-0.5, butyl glycol ether 0.5-1, dehydrated alcohol 6-8, citric acid 0.5-1, prodan 0.5-1, 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.
The preparation method of a kind of micro crystal graphite the most according to claim 1-tannic extract composite water soluble Dacroment masking liquid, its feature It is, comprises the following steps:
(1) weigh raw material by weight, after first being mixed with micro crystal graphite, super fine magnesium hydroxide by aluminum zinc powder, grind uniform modified aluminium Zinc powder, then tannic extract is added stirring 5-10min in the water of 1/3-1/2 amount, mix being incorporated in 60-80 DEG C of stirring with modified aluminium zinc powder 0.5-1h, obtains composite mortar after cooling；
(2) first octenyl succinic acid anhydride is mixed homogeneously with dehydrated alcohol, add butyl titanate and titanate coupling agent TMC- 201 stir, and are subsequently adding hydroxyethyl cellulose stirring 1-2h, obtain A liquid；Dinonyl naphthalene sulfonate barium is added in the water of surplus It is 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 is between 8-9, and temperature is 45-50 DEG C, after cooling, pH is adjusted to neutrality, obtains modified hydroxyethylcellulosadsorbing solution；
(3) it is sufficiently stirred for after the modified hydroxyethylcellulosadsorbing solution in the composite mortar in (1), (2) being mixed with remaining raw material 0.5-1h, obtains micro crystal graphite-tannic extract composite water soluble Dacroment masking liquid.
CN201610420397.9A 2016-06-12 2016-06-12 Microcrystalline graphite-tannin extract composite waterborne Dacromet coating liquid and preparation method thereof Pending CN106046872A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114717543A (en) * 2022-03-12 2022-07-08 浙江五源科技股份有限公司 Preparation method of composition for improving salt spray resistance of coating after iron and steel non-phosphorus conversion treatment

Citations (3)

* 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
CN101285512A (en) * 2008-05-09 2008-10-15 海盐华强树脂有限公司 Production method for clutch surface adopting formaldehyde-phenol resin as cementing compound
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 (3)

* 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
CN101285512A (en) * 2008-05-09 2008-10-15 海盐华强树脂有限公司 Production method for clutch surface adopting formaldehyde-phenol resin as cementing compound
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 (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114717543A (en) * 2022-03-12 2022-07-08 浙江五源科技股份有限公司 Preparation method of composition for improving salt spray resistance of coating after iron and steel non-phosphorus conversion treatment
CN114717543B (en) * 2022-03-12 2023-06-09 浙江五源科技股份有限公司 Preparation method of composition for improving salt spray resistance of coating after non-phosphorus conversion treatment of steel

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