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Insulating waterborne type aluminum paste and preparation method thereof

An aluminum-silver paste, water-based technology, used in chemical instruments and methods, pigment paste, inorganic pigment treatment, etc., can solve problems such as atmospheric environmental pollution, and achieve good coating adhesion, good electrical insulation performance and aging resistance. The effect of performance, high dispersibility

Inactive Publication Date: 2015-01-21
HEFEI SUNRISE PIGMENTS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Traditional solvent-based aluminum silver paste contains a large amount of VOC (volatile organic compounds), which volatilize into the atmosphere during the coating process and cause pollution to the atmospheric environment

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0021] An insulating water-based aluminum-silver paste is prepared from the following component raw materials by weight (kg):

[0022] Micron flaky aluminum powder 50, mica powder 3, shell powder 1.5, gypsum powder 0.8, ethyl orthosilicate 11, sodium molybdate 0.015, sodium hydroxymethylglycinate 0.15, aluminum dihydrogen phosphate 0.15, silane coupling agent A -151 0.3, polydimethyldiallyl ammonium chloride 5, castor oil phosphate 0.15, carboxymethyl cellulose 7, glycerin 1.5, auxiliary agent 9;

[0023] Among them, the additives are made of raw materials with the following weight (kg):

[0024] Gelatin 1.5, Sodium Montmorillonite 1.5, Span 80 0.3, Citric Acid 0.5, Sodium Cocoyl Glutamate 0.08, Sodium Gluconate 0.3, Water 30;

[0025] The preparation method of auxiliary agent:

[0026] Add gelatin, citric acid and sodium gluconate to water, stir at 80°C and 800r / min until completely dissolved, add Span 80, sodium cocoyl glutamate and sodium montmorillonite, stir at 60°C and...

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Abstract

The invention discloses insulating waterborne type aluminum paste which is characterized by consisting of the following raw materials in parts by weight: 40-60 parts of micron-size flake aluminum, 2-4 parts of mica powder, 1-2 parts of shell powder, 0.5-1 part of gypsum powder, 10-12 parts of tetraethyl orthosilicate, 0.01-0.02 part of sodium molybdate, 0.1-0.2 part of sodium hydroxymethylglycinate, 0.1-0.2 part of aluminum dihydrogen phosphate, 0.2-0.4 part of silane coupling agent A-151, 4-6 parts of poly-dimethyl diallyl ammonium chloride, 0.1-0.2 part of castor oil phosphate, 6-8 parts of carboxymethyl cellulose, 1-2 parts of glycerol and 8-10 parts of auxiliary agent. The aluminum paste disclosed by the invention has good electrical insulating property, anti-aging property, water dispersity and coating adhesion, and is suitable for using places with relatively high insulation requirements.

Description

technical field [0001] The invention relates to the field of metal pigments, in particular to an insulating water-based aluminum-silver paste and a preparation method thereof. Background technique [0002] Aluminum silver paste is mainly composed of aluminum powder, solvent and additives. After special processing technology and surface treatment of pigments, the surface of aluminum flakes is smooth and smooth, and it has excellent compatibility with coating systems. It has excellent light reflection ability and metallic luster. The paint film has "Different color effect with angle", the decorative effect is beautiful. [0003] With the development of industrialization and the deterioration of the environment, protecting the environment has become a common issue for all mankind. Traditional solvent-based aluminum silver paste contains a large amount of VOC (volatile organic compounds), which volatilize into the atmosphere during the coating process and cause pollution to the...

Claims

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Application Information

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IPC IPC(8): C09D17/00C09C1/64C09C3/06C09C3/08C09C3/10C09C3/12
CPCC09D17/006C09C1/648C09C3/006C09D17/001
Inventor 董前年朱双单吴家安
Owner HEFEI SUNRISE PIGMENTS
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