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Resin-coated aluminum pigment and preparation method thereof

A resin-coated, aluminum-pigment technology, applied in the direction of fibrous fillers, dyed polymer organic compounds, etc., can solve the problems of loss of metallic luster, poor corrosion resistance, dull metallic luster, etc.

Active Publication Date: 2011-02-16
长沙族兴新材料股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] The existing various aluminum pigments have poor corrosion resistance, and the products made of them will lose their metallic luster after 2-3 years of use.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0018] (1) Preparation of mixture A: Weigh the following substances by weight ratio: 23kg of hydroxypropyl methacrylate, 5kg of methyl methacrylate, 8kg of styrene, 14kg of butyl acrylate, and 8kg of methacrylic acid. Mix at room temperature and stir evenly to obtain 58 kg of A mixture; (2) Preparation of B mixture: Weigh the following substances by weight ratio: 1 kg of benzoyl peroxide, 4 kg of tert-butyl benzoyl peroxide, and the Mix the two substances at room temperature and stir evenly to obtain 5 kg of mixture B; (3) Weigh 200 kg of butyl acetate and place it in a reactor, heat the reactor to 125°C, add 58 kg of mixture A, and stir at a constant speed , so that butyl acetate and A mixture are evenly mixed; (4) Weigh 100kg of selected aluminum paste (the aluminum content is 70%, that is, it contains 70kg of aluminum; the aluminum particle size is D 50 = 10 microns) into the reactor, stirring at a constant speed, so that the materials in the reactor are mixed evenly; (5) 5...

Embodiment 2

[0021] (1) Preparation of mixture A: Weigh the following substances by weight ratio: 22kg of hydroxypropyl methacrylate, 5kg of methyl methacrylate, 8kg of styrene, 14kg of butyl acrylate, and 8kg of methacrylic acid. Mix at room temperature and stir evenly to obtain 57kg of A mixture; (2) Preparation of B mixture: Weigh the following substances by weight ratio: benzoyl peroxide 1kg, tert-butyl benzoyl peroxide 4 kg, and the Mix the two substances at room temperature and stir evenly to obtain 5 kg of mixture B; (3) Weigh 202 kg of butyl acetate and place it in a reactor, heat the reactor slowly to 120-130°C, add mixture A, and Stir to mix butyl acetate and A mixture evenly; (4) take by weighing 98kg of selected aluminum paste (the aluminum content is 70%, that is, containing 68.6kg of aluminum; the aluminum particle size is D 50 = 20 microns) into the reactor, stirring at a constant speed, so that the materials in the reactor are mixed evenly; (5) 5kg of B mixture is added int...

Embodiment 3

[0024] (1) Preparation of mixture A: Weigh the following substances by weight ratio: 24kg of hydroxypropyl methacrylate, 5kg of methyl methacrylate, 9kg of styrene, 14kg of butyl acrylate, and 59kg of methacrylic acid. Mix at room temperature and stir evenly to obtain 59kg of mixture A; (2) Preparation of mixture B: weigh the following substances by weight ratio: benzoyl peroxide 1.2kg, tert-butyl benzoyl peroxide 4 kg, and the Mix the above two substances at room temperature and stir evenly to obtain 5.2 kg of mixture B; (3) Weigh 198 kg of butyl acetate and place it in a reaction kettle, heat the reaction kettle slowly to 120-130°C, add mixture A, Stir at a constant speed to mix butyl acetate and A mixture evenly; (4) take by weighing 98kg of selected aluminum paste (the aluminum content is 70%, that is, containing 68.6kg of aluminum; the aluminum particle size is D 50 = 20 microns) into the reactor, stirring at a constant speed, so that the materials in the reactor are mixe...

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PUM

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Abstract

The invention discloses a resin-coated aluminum pigment and a preparation method thereof. The resin-coated aluminum pigment is prepared from the raw materials of a mixture A, a mixture B, butyl acetate and an aluminum paste, wherein the mixture A comprises 38 to 50 weight percent of hydroxypropyl methacrylate, 5 to 10 weight percent of methyl methacrylate, 12 to 20 weight percent of phenylethylene, 21 to 30 weight percent of butyl acrylate and 12 to 20 weight percent of methacrylic acid; the mixture B comprises 20 to 30 weight percent of benzoperoxide and 70 to 80 weight percent of tertiary-butyl benzoperoxide; and the weight ratio of the aluminum powder in the mixture A to the aluminum powder in the mixture B to the aluminum powder in the butyl acetate and the aluminum powder in the aluminum paste is equal to 56-60:4-6:190-210:65-75. The resin-coated aluminum pigment keeps the metallic luster of aluminum pigments and has very strong corrosion resistance.

Description

technical field [0001] The invention relates to a pigment and a manufacturing method thereof, in particular to a resin-coated aluminum pigment and a manufacturing method thereof. Background technique [0002] Existing various aluminum pigments have poor corrosion resistance, and the products made of them will lose their metallic luster after 2-3 years of use. Contents of the invention [0003] The object of the present invention is to overcome the above-mentioned defects of existing aluminum pigments, and provide a resin-coated aluminum pigment with good corrosion resistance and a manufacturing method thereof. [0004] The resin-coated aluminum pigment of the present invention is prepared from the following raw materials: A mixture, B mixture, butyl acetate and aluminum paste, and the A mixture contains 38-50wt% of hydroxypropyl methacrylate, methyl methacrylate 5-10wt%, styrene 12-20wt%, butyl acrylate 21-30wt%, methacrylic acid 12-20wt%; the B mixture contains benzoyl p...

Claims

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Application Information

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IPC IPC(8): C09C3/10C09C1/64
Inventor 梁晓斌
Owner 长沙族兴新材料股份有限公司
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