Oxidation resistance reinforcing strip metallic aluminum pigment

A metal aluminum and anti-oxidation technology, applied in the field of pigments, can solve the problems of darkening of metal color on the surface of the workpiece, poor dispersion, easy discoloration or oxidation of aluminum pigments, etc., to achieve enhanced anti-oxidation performance, improved dispersion performance, and coating layer thin and even effect

Inactive Publication Date: 2016-11-09
HEFEI SUNRISE PIGMENTS
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  • Abstract
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Problems solved by technology

[0003] In the patent "A Strip Aluminum Pigment and Its Preparation Method", ordinary aluminum pigments are washed and filtered, and then extruded with polymers and additives to obtain strips of aluminum pigments. The prepared aluminum pigments are used in plastic Easy to disperse in medium, no dust, good versatility, can greatly reduce flow marks during plastic molding, and solve the problem of poor dispersion of aluminum pigments in resins, but the resi

Method used

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Embodiment Construction

[0014] A strip-shaped metal aluminum pigment with enhanced anti-oxidation, made of the following raw materials in parts by weight (kg): 70 flake aluminum powder, 14 methacryloxypropyl trimethoxysilane, an appropriate amount of absolute ethanol, three Methylol propane triacrylate 28, acrylic acid 1, azobisisobutyronitrile 0.09, polyvinylpyrrolidone 1.75, N, N ethylene bisricinoleic acid amide 2.5, polypropylene 17, antioxidant 10101.5, thio Diethylene glycol 3, lauric acid 2, p-toluenesulfonic acid 0.05.

[0015] The strip-shaped metallic aluminum pigment of described a kind of anti-oxidation enhancement is made by the following specific steps:

[0016] (1) Dissolve methacryloxypropyltrimethoxysilane in 4 times the amount of absolute ethanol, then add flake aluminum powder, heat to 55°C, react for 1 hour and wash with absolute ethanol several times, vacuum drying to obtain coupling modified aluminum powder;

[0017] (2) Add 2 times the amount of absolute ethanol to the coupli...

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Abstract

The invention discloses an oxidation resistance reinforcing strip metallic aluminum pigment. The pigment is prepared from the following raw materials in parts by weight: 70-75 parts of flaky aluminum powder, 14-15 parts of methacryloxy propyl trimethoxyl silane, proper amount of absolute ethyl alcohol, 28-30 parts of trimethylolpropane triacrylate, 1-1.2 parts of acrylic acid, 0.09-0.1 part of azodiisobutyronitrile, 1.75-1.9 parts of polyvinylpyrrolidone, 2.5-3 parts of N,N-ethylidene bisricinoleamide, 17-19 parts of polypropylene, 1.5-2 parts of antioxidant 1010, 3-3.5 parts of thiodiglycol, 2-2.5 parts of lauric acid and 0.05-0.06 part of p-toluenesulfonic acid. The pigment can obviously reinforce the oxidation resistance of the products, can be uniformly dispersed in plastic materials and has high storage stability by preparing an antioxidant through reaction between thiodiglycol and lauric acid, mixing the antioxidant with the antioxidant 1010, then internally mixing the mixture with polypropylene and then adding the mixture to the products.

Description

technical field [0001] The invention relates to the technical field of pigments, in particular to a strip-shaped metal aluminum pigment with enhanced anti-oxidation. Background technique [0002] Aluminum pigment, also known as aluminum silver paste, aluminum silver powder, and flake aluminum powder, has a smooth and extremely thin scaly structure and is one of the most widely used metal effect pigments. Aluminum pigments have good anti-corrosion properties, can also reflect visible light, and have a silver-white metallic luster. At the same time, the intensity of reflected light changes with different angles, so aluminum pigments have a good decorative effect; aluminum pigments can also reflect Infrared and ultraviolet light, thus also has thermal insulation properties and delays the aging of coatings and rubber and plastics. With the increasing attention of the country and society, the topic of low-carbon and environmental protection is no longer a concept, but has been t...

Claims

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Application Information

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IPC IPC(8): C08K9/10C08K9/06C08K9/04C08K3/08C09C1/64C09C3/10C09C3/12C09C3/08
CPCC01P2006/22C01P2006/37C08K3/08C08K9/04C08K9/06C08K9/08C08K9/10C08K2003/0812C09C1/646C09C3/006
Inventor 董前年徐曈曈周涛徐俊军朱双单
Owner HEFEI SUNRISE PIGMENTS
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