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Green environment-friendly aluminum silver paste

A green, environmentally friendly, aluminum-silver paste technology, applied in the field of aluminum pigments, can solve the problems of difficult to disperse water-based paint, unsuitable, unsuitable for water-based paint, etc., and achieve the effect of simple preparation method and good dispersibility

Inactive Publication Date: 2019-04-30
丹阳市美尔鑫化工有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] With the development of water-based coatings, traditional oily aluminum-silver pastes are difficult to disperse in water-based coatings due to the presence of a large amount of solvent oil, making them unsuitable for water-based coatings; aluminum pigments, one of the main raw materials for metallic inks, of course require corresponding requirements. be environmentally friendly
Therefore, it is necessary to overcome the problem that traditional solvent oils are not suitable for water-based coatings, and develop a green and environmentally friendly water-based aluminum-silver paste coating that is non-toxic and environmentally friendly, has a simple preparation process, and can adapt to modern large-scale production, and has attracted more and more attention from researchers. And it has very important practical significance and economic benefits for improving food safety level and technological innovation

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0022] A green environment-friendly aluminum silver paste is characterized in that the preparation process is as follows:

[0023] (1) To prepare a coupling agent, mix methyltrimethoxysilane, titanate and aminopropylmethyldimethoxysilane at a mass ratio of 1:4:3, and mix for 40 minutes to obtain a coupling agent;

[0024] (2) To prepare the auxiliary agent, mix xylene, ethyl acetate and catechol according to the mass ratio of 2:3:5, and the mixing time is 30 minutes to obtain the auxiliary agent;

[0025] (3) Weigh raw materials: Weigh aluminum powder, stearic acid, coupling agent, additives, and solvent oil as raw materials according to the required number of parts;

[0026] (4) Add 60 parts of aluminum powder, 0.4 parts of stearic acid, 0.3 parts of coupling agent, 1 part of auxiliary agent and 100 parts of solvent oil into the ball mill for 18 hours to make flake particles;

[0027] (5) Put the flaky particles prepared in step (4) into a sieving device for sieving, and th...

Embodiment 2

[0044] With a kind of green environment-friendly aluminum-silver paste described in embodiment one, its difference is:

[0045] (1) To prepare a coupling agent, mix methyltrimethoxysilane, titanate and aminopropylmethyldimethoxysilane at a mass ratio of 1:4:3, and mix for 40 minutes to obtain a coupling agent;

[0046] (2) To prepare the auxiliary agent, mix xylene, ethyl acetate and catechol according to the mass ratio of 2:3:5, and the mixing time is 30 minutes to obtain the auxiliary agent;

[0047] (3) Weigh raw materials: Weigh aluminum powder, stearic acid, coupling agent, additives, and solvent oil as raw materials according to the required number of parts;

[0048] (4) Add 90 parts of aluminum powder, 0.45 parts of stearic acid, 0.3 parts of coupling agent, 1.2 parts of additives and 100 parts of solvent oil into a ball mill for ball milling for 20 hours to make flaky particles;

[0049] (5) Put the flaky particles prepared in step (4) into a sieving device for sievi...

Embodiment 3

[0054] With a kind of green environment-friendly aluminum-silver paste described in embodiment one, its difference is:

[0055] (1) To prepare a coupling agent, mix methyltrimethoxysilane, titanate and aminopropylmethyldimethoxysilane at a mass ratio of 1:4:3, and mix for 45 minutes to obtain a coupling agent;

[0056] (2) To prepare the auxiliary agent, mix xylene, ethyl acetate and catechol according to the mass ratio of 2:3:5, and the mixing time is 55 minutes to obtain the auxiliary agent;

[0057] (3) Weigh raw materials: Weigh aluminum powder, stearic acid, coupling agent, additives, and solvent oil as raw materials according to the required number of parts;

[0058](4) Add 100 parts of aluminum powder, 0.5 parts of stearic acid, 0.3 parts of coupling agent, 1 part of auxiliary agent and 100 parts of solvent oil into a ball mill for ball milling for 19 hours to make flaky particles;

[0059] (5) Put the flaky particles prepared in step (4) into a sieving device for sie...

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Abstract

The invention provides green environment-friendly aluminum silver paste aiming at the problems, and the green environment-friendly aluminum silver paste is characterized by comprising the following components in parts by mass: 60-100 parts of aluminum powder; 100-120 parts of solvent oil; 0.4-0.6 part of stearic acid; 0.2-0.4 part of a coupling agent and 1-1.2 parts of an assistant. The preparation method disclosed by the invention is simple, non-toxic and environment-friendly, and can be suitable for modern large-scale production; the prepared product is good in dispersibility.

Description

technical field [0001] The invention relates to an aluminum pigment, in particular to a green and environment-friendly aluminum-silver paste. Background technique [0002] Aluminum silver paste is a kind of aluminum metal pigment. Its production method is to mix spherical aluminum powder, solvent oil, oleic acid and ball milling medium steel balls, and then grade and sieve after ball milling for 6-30 hours. It is a paste metal pigment obtained after kneading. . Aluminum silver paste has become the most widely used and researched metallic pigment due to its unique metallic luster effect, angle-dependent color effect, optical effect and suspension characteristics. [0003] With the development of water-based coatings, traditional oily aluminum-silver pastes are difficult to disperse in water-based coatings due to the presence of a large amount of solvent oil, making them unsuitable for water-based coatings; aluminum pigments, one of the main raw materials for metallic inks, o...

Claims

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Application Information

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IPC IPC(8): C09C1/64C09C3/08C09C3/12
CPCC09C1/648C09C3/006
Inventor 王惠芬
Owner 丹阳市美尔鑫化工有限公司
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