CN105885548A - Alkyl ketene dimer modified waterborne dacromet coating solution for automobile spring and preparation method of coating solution - Google Patents

Alkyl ketene dimer modified waterborne dacromet coating solution for automobile spring and preparation method of coating solution Download PDF

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Publication number
CN105885548A
CN105885548A CN201610420426.1A CN201610420426A CN105885548A CN 105885548 A CN105885548 A CN 105885548A CN 201610420426 A CN201610420426 A CN 201610420426A CN 105885548 A CN105885548 A CN 105885548A
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China
Prior art keywords
ketene dimer
alkyl ketene
coating solution
zinc powder
liquid
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Pending
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CN201610420426.1A
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Chinese (zh)
Inventor
彭高峰
朱节霞
万丽丽
孙元庆
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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 CN201610420426.1A priority Critical patent/CN105885548A/en
Publication of CN105885548A publication Critical patent/CN105885548A/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
    • C09D101/00—Coating compositions based on cellulose, modified cellulose, or cellulose derivatives
    • C09D101/08—Cellulose derivatives
    • C09D101/32—Cellulose ether-esters
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K13/00—Use of mixtures of ingredients not covered by one single of the preceding main groups, each of these compounds being essential
    • C08K13/02—Organic and inorganic ingredients
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/02—Elements
    • C08K3/08—Metals
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K5/00—Use of organic ingredients
    • C08K5/04—Oxygen-containing compounds
    • C08K5/15—Heterocyclic compounds having oxygen in the ring
    • C08K5/151—Heterocyclic compounds having oxygen in the ring having one oxygen atom in the ring
    • C08K5/1525—Four-membered rings
    • 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
    • C09D7/63—Additives non-macromolecular organic
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/02—Elements
    • C08K3/08—Metals
    • C08K2003/0812—Aluminium
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/02—Elements
    • C08K3/08—Metals
    • C08K2003/0893—Zinc

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Wood Science & Technology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Health & Medical Sciences (AREA)
  • Preventing Corrosion Or Incrustation Of Metals (AREA)
  • Electroplating And Plating Baths Therefor (AREA)
  • Paints Or Removers (AREA)

Abstract

The invention discloses an alkyl ketene dimer modified waterborne dacromet coating solution for an automobile spring. The coating solution is prepared from, by weight, 20-30 parts of aluminum-zinc powder, 1-2 parts of lithopone, 0.5-1 part of sodium gluconate, 3-5 parts of hydroxyethyl cellulose, 0.1-0.2 part of alkenyl succinic anhydride, 0.5-1 part of alkyl ketene dimer, 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, 6-8 parts of absolute ethyl alcohol, 0.3-0.5 part of sodium dioctyl sulfosuccinate, 0.3-0.5 part of zirconium sulfate 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

A kind of motor spring alkyl ketene dimer modified 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 motor spring alkyl ketene dimer 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 motor spring alkyl ketene dimer modified water-soluble Dacroment masking liquid and preparation method thereof.
The present invention is achieved by the following technical solutions:
A kind of motor spring alkyl ketene dimer modified water-soluble Dacroment masking liquid, it is to be prepared by the raw material of following weight parts:
Aluminium zinc powder 20-30, lithopone 1-2, sodium gluconate 0.5-1, hydroxyethyl cellulose 3-5, octenyl succinic acid anhydride 0.1-0.2, alkyl ketene dimer 0.5-1, butyl titanate 0.3-0.5, titanate coupling agent TMC-201 0.3-0.5, citric acid 0.5-1, absolute ethyl alcohol 6-8, sodium dioctyl sulfosuccinate 0.3-0.5, zirconium sulfate 0.3-0.5, 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 motor spring alkyl ketene dimer modified water-soluble Dacroment masking liquid, comprises the following steps:
(1) weigh raw material by weight, after first being mixed with lithopone, sodium gluconate by aluminium 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 with absolute ethyl alcohol, add alkyl ketene dimer, butyl titanate and titanate coupling agent TMC-201 and stir, 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 motor spring alkyl ketene dimer 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 that hydroxyethyl cellulose carries out compound graft modification, and compounding with the raw material such as lithopone, alkyl ketene dimer obtain 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 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, water-fast, anti-permeability performance good, service life is long, has higher practical value.
Detailed description of the invention
A kind of motor spring alkyl ketene dimer modified water-soluble Dacroment masking liquid, it is to be prepared by the raw material of following weight parts:
Aluminium zinc powder 20, lithopone 1, sodium gluconate 0.5, hydroxyethyl cellulose 3, octenyl succinic acid anhydride 0.1, alkyl ketene dimer 0.5, butyl titanate 0.3, titanate coupling agent TMC-201 0.3, citric acid 0.5, absolute ethyl alcohol 6, sodium dioctyl sulfosuccinate 0.3, zirconium sulfate 0.3, 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 motor spring alkyl ketene dimer modified water-soluble Dacroment masking liquid, comprises the following steps:
(1) weigh raw material by weight, after first being mixed with lithopone, sodium gluconate by aluminium 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 with absolute ethyl alcohol, add alkyl ketene dimer, butyl titanate and titanate coupling agent TMC-201 and stir, 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 motor spring alkyl ketene dimer 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: 5H；
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. a motor spring alkyl ketene dimer 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, lithopone 1-2, sodium gluconate 0.5-1, hydroxyethyl cellulose 3-5, octenyl succinic acid anhydride 0.1-0.2, alkyl ketene dimer 0.5-1, butyl titanate 0.3-0.5, titanate coupling agent TMC-201 0.3-0.5, citric acid 0.5-1, absolute ethyl alcohol 6-8, sodium dioctyl sulfosuccinate 0.3-0.5, zirconium sulfate 0.3-0.5, 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 motor spring alkyl ketene dimer modified water-soluble Dacroment masking liquid the most according to claim 1, it is characterised in that comprise the following steps:
(1) weigh raw material by weight, after first being mixed with lithopone, sodium gluconate by aluminium 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 with absolute ethyl alcohol, add alkyl ketene dimer, butyl titanate and titanate coupling agent TMC-201 and stir, 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 motor spring alkyl ketene dimer modified water-soluble Dacroment masking liquid.
CN201610420426.1A 2016-06-13 2016-06-13 Alkyl ketene dimer modified waterborne dacromet coating solution for automobile spring and preparation method of coating solution Pending CN105885548A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115558320A (en) * 2022-10-28 2023-01-03 沈阳市航达科技有限责任公司 Low-temperature curing anti-corrosion composite coating suitable for heavy corrosion prevention of spring piece and preparation method thereof

Citations (2)

* 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 chromium-free Dacromet coating liquid and preparation method thereof
CN105131817A (en) * 2015-08-27 2015-12-09 岳西县永泰机械制造有限公司 Impact resistant coating for metal and preparation method therefor

Patent Citations (2)

* 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 chromium-free Dacromet coating liquid and preparation method thereof
CN105131817A (en) * 2015-08-27 2015-12-09 岳西县永泰机械制造有限公司 Impact resistant coating for metal and preparation method therefor

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115558320A (en) * 2022-10-28 2023-01-03 沈阳市航达科技有限责任公司 Low-temperature curing anti-corrosion composite coating suitable for heavy corrosion prevention of spring piece and preparation method thereof
CN115558320B (en) * 2022-10-28 2024-01-26 沈阳市航达科技有限责任公司 Low-temperature curing anti-corrosion composite coating suitable for heavy corrosion prevention of spring piece and preparation method thereof

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Application publication date: 20160824