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Special-purpose waterborne aluminium pigment for automobiles with stable performance and environmental protection

An aluminum pigment and performance technology, applied in the field of pigments, can solve problems such as hidden safety hazards, limited corrosion inhibition effect, and reduced metallic luster, and achieve the effects of good gloss, good adhesion and good dispersion performance.

Inactive Publication Date: 2016-12-14
HEFEI SUNRISE PIGMENTS
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  • Claims
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AI Technical Summary

Problems solved by technology

Although the method of adding inhibitors to the aluminum pigment system can inhibit the corrosion rate of aluminum, the corrosion inhibition effect is limited. Prolonged contact with water-based system coatings, inks, etc. will still cause certain corrosion to the aluminum pigments, reducing the metallic luster and at the same time There are security risks

Method used

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Experimental program
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Effect test

Embodiment Construction

[0015] An environmentally friendly water-based aluminum pigment with stable performance for automobiles, which is prepared from the following raw materials in parts by weight (kg): 40 flake aluminum powder, 100 isopropanol, 0.3 copper sulfate crystals, appropriate amount of deionized water, phenol ether phosphate 4. Appropriate amount of absolute ethanol, ethyl orthosilicate 9, vinyltriethoxysilane 6, 20 wt% ammonia water 9, butyl acetate 200, acrylic acid 5, methacrylic acid 5, dibenzoyl peroxide 0.6, propylene glycol monomethyl ether 13, polyamide wax 1.5, neopentyl glycol 3, soybean lecithin 0.8, sodium alginate 0.6, potassium sulfate 2, white corundum powder 4, Tween 801.

[0016] Described a kind of automobile-specific performance is stable and environment-friendly water-based aluminum pigment, is made by following specific steps:

[0017] (1) Put flake aluminum powder into the reaction kettle, add isopropanol and phenol ether phosphate, heat to 40°C, stir and react for 6...

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Abstract

The invention discloses a special-purpose waterborne aluminium pigment for automobiles with stable performance and environmental protection. The pigment is prepared by the following raw materials in parts by weight: 40-45 parts of sheet shaped aluminium powder, 100-110 parts of isopropanol, 0.3-0.35 parts of copper sulphate crystal, a proper amount of deionized water, 4-4.5 parts of phenolic ether phosphate ester, a proper amount of absolute ethanol, 9-10 parts of ethyl orthosilicate, 6-7 parts of triethoxyvinylsilane, 9-10 parts of ammonia water whose concentration is 20wt%, 200-220 parts of butyl acetate, 5-6 parts of acrylic acid, 5-6 parts of methacrylic acid, 0.6-0.65 parts of dibenzoyl peroxide, 13-15 parts of 1-methoxy-2-propanol, 1.5-2 parts of polyamide wax, 3-4 parts of neopentylene glycol, 0.8-1 part of soya lecithin, 0.6-0.7 parts of sodium alginate, 2-3 parts of potassium sulfate, 4-5 parts of white corundum powder, and 1-1.2 parts of Tween 80. The product special for automobiles is added into paint special for automobile wheel hubs, and the prepared paint is bright and smooth with good adhesion.

Description

technical field [0001] The invention relates to the technical field of pigments, in particular to a stable and environment-friendly water-based aluminum pigment for automobiles. Background technique [0002] Aluminum pigment is one of the important metal pigments. Because of its unique aesthetic effect and anti-corrosion properties, it has been widely used in anti-corrosion coatings, industrial coatings, automotive coatings, architectural interior and exterior decoration coatings, household appliance coatings, printing inks and plastic processing industries in recent years. application. With the continuous enhancement of people's awareness of environmental protection and the continuous improvement of government environmental protection regulations, traditional organic solvent-based coatings will inevitably be replaced by environmentally friendly water-based coatings. Aluminum pigments used in water-based coatings have different requirements from aluminum pigments used in sol...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09C1/64C09C3/04C09C3/06C09C3/08C09C3/10C09C3/12C09D5/10C09D5/08
CPCC09C1/64C09C1/648C09C3/006C09C3/043C09C3/063C09C3/08C09C3/10C09C3/12C09D5/084C09D5/103
Inventor 董前年周辉谷圣军操玉节朱双单
Owner HEFEI SUNRISE PIGMENTS
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