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Compatible accelerating agent of silicon dioxide coated aluminum paste and PVDF (Polyvinylidene Fluoride) high-fluorine emulsion and compatibility method

A technology of silica and accelerators, applied in the direction of coating, etc., can solve the problems of poor decorative effect of the paint film, thickened and blackened soft particles, no metal texture, etc., and achieve good appearance, improved miscibility, and flickering strong effect

Inactive Publication Date: 2012-08-01
安徽本雅明涂料有限公司
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  • Summary
  • Abstract
  • Description
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AI Technical Summary

Problems solved by technology

But when this aluminum paste is added to PVDF high-fluorine emulsion, it will turn coarse and black and produce soft particles that cannot be filtered out. The final paint film is often rough and dull, without metallic texture
The current technical system has three shortcomings: 1. A large amount of alcohol ether solvents are used to disperse the aluminum paste, such as: BCS, propylene glycol methyl ether, etc., which do not conform to the direction of environmental protection and low carbon; 2. The dispersed aluminum paste and PVDF high-fluorine emulsion Poor compatibility, thickening and blackening
3. The decorative effect of the paint film is not good

Method used

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Embodiment Construction

[0022] The present invention is described in further detail below in conjunction with embodiment.

[0023] The compatible accelerator of silica-coated aluminum paste and PVDF high-fluorine emulsion, and utilize this compatible accelerator to promote silica-coated aluminum paste and the compatible method of PVDF high-fluorine emulsion as following example:

[0024] 1) adding a surfactant and an alcohol solution accounting for 10-40% of its solid content to nano colloidal silicon with a particle size of 10-15nm to obtain a compatibility accelerator;

[0025] 2) According to 2-9% of the solid content of the required PVDF high-fluorine emulsion, part of the compatibility accelerator is reserved for use;

[0026] 3) Measure whether the pH value of the remaining compatibility accelerator is between 8-10; if not within this range, adjust the pH value of the compatibility accelerator to between 8-10;

[0027] 4) At a stirring speed of 300-500rpm, slowly add the silica-coated aluminum...

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Abstract

The invention relates to a compatible accelerating agent of silicon dioxide coated aluminum paste and PVDF (Polyvinylidene Fluoride) high-fluorine emulsion and a compatible method for accelerating the compatibility of the silicon dioxide coated aluminum paste and the PVDF high-fluorine emulsion by using the compatible accelerating agent. By using nanometer colloidal silica, surfactant and alcohol solution as the compatible accelerating agent, the invention can greatly improve the miscibility of the silicon dioxide coated aluminum paste and the PVDF high-fluorine emulsion, has no phenomena of the thickening and the darkening of the aluminum paste and no soft particles incapable of filtering. The prepared paint film has exquisite hand feel, strong sparkling sense and metal quality. In addition, the compatible accelerating agent is used while a large quantity of alcohol ether organic solvents are unnecessary to use, thereby the invention satisfies the concept of environment protection and low carbon.

Description

technical field [0001] The invention relates to the field of water-based environmental protection coatings, in particular to an accelerator for promoting the compatibility of silica-coated aluminum paste and PVDF high-fluorine emulsion, and using the compatibility accelerator to promote the compatibility of silica-coated aluminum paste and PVDF high-fluorine emulsion Emulsion compatibility method. Background technique [0002] Usually, the silica-coated aluminum paste must be infiltrated by the solvent system to be well dispersed with the help of a wetting and dispersing agent. But when this aluminum paste is added to PVDF high-fluorine emulsion, it will turn coarse and black and produce soft particles that cannot be filtered out, and the final paint film is often rough and dull, without metallic texture. The current technical system has three shortcomings: 1. A large amount of alcohol ether solvents are used to disperse the aluminum paste, such as: BCS, propylene glycol me...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09D7/12C09D127/16
Inventor 叶聪
Owner 安徽本雅明涂料有限公司
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