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Corrosion inhibiting modified double coated thermal-stabilized water-based aluminum pigment

A thermally stable, aluminum pigment technology, applied in the field of pigments, can solve problems such as potential safety hazards, limited corrosion inhibition effect, and reduced metallic luster, achieving good gloss, improved corrosion resistance, and good dispersion performance

Inactive Publication Date: 2016-12-14
HEFEI SUNRISE PIGMENTS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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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Embodiment Construction

[0015] A corrosion-inhibiting modified double-coated heat-stable water-based aluminum pigment, 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-type phosphate 4, an appropriate amount of ethanol, ethyl orthosilicate 9, vinyltriethoxysilane 6, ammonia water with a concentration of 20wt% 9, butyl acetate 200, acrylic acid 5, methacrylic acid 5, peroxide Dibenzoyl 0.6, propylene glycol monomethyl ether 13, aluminum hydroxide 4, antimony trioxide 3, silane coupling agent KH-550 0.8, alkylphenol polyoxyethylene ether 1.2, Span 80 0.5, polyethylene wax 0.8 .

[0016] Described a kind of corrosion-inhibiting modified double-coated heat-stable water-based aluminum pigment is made by the 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 re...

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PUM

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Abstract

The invention discloses a corrosion inhibiting modified double coated thermal-stabilized water-based aluminum pigment. The corrosion inhibiting modified double coated thermal-stabilized water-based aluminum pigment is prepared from, by weight, 40-45 parts of flaky aluminum powder, 100-110 parts of isopropanol, 0.3-0.35 part of copper sulfate crystals, a proper amount of deionized water, 4-4.5 parts of phenolic ether type phosphate, a proper amount of absolute ethyl alcohol, 9-10 parts of tetraethoxysilane, 6-7 parts of vinyltriethoxysilane, 9-10 parts of ammonium hydroxide with the concentration being 20 wt%, 200-220 parts of butyl acetate, 5-6 parts of crylic acid, 5-6 parts of methacrylic acid, 0.6-0.65 part of dibenzoyl peroxide, 13-15 parts of propylene glycol monomethyl ether, 4-5 parts of aluminum hydroxide, 3-4 parts of antimonous oxide, 0.8-1 part of silane coupling agent KH-550, 1.2-1.5 parts of alkylphenol ethoxylates, 0.5-0.6 part of span-80 and 0.8-1 part of polyethylene wax. A product prepared from the corrosion inhibiting modified double coated thermal-stabilized water-based aluminum pigment can be evenly dispersed in a coating, and high stability is achieved.

Description

technical field [0001] The invention relates to the technical field of pigments, in particular to a corrosion-inhibiting modified double-coated thermally stable water-based aluminum pigment. 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 pigment...

Claims

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Application Information

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IPC IPC(8): C09C1/64C09C3/04C09C3/06C09C3/08C09C3/10C09C3/12C09D5/10C09D5/08
CPCC09C1/64C09C1/648C09C3/006C09C3/043C09C3/063C09C3/08C09C3/10C09C3/12C09D5/084C09D5/103
Inventor 董前年操玉节厉乐谷圣军朱双单
Owner HEFEI SUNRISE PIGMENTS
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