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A pure acrylic elastic primer

A pure acrylic and elastic primer technology, applied in the coating and other directions, can solve the problems of poor anti-alkali and anti-salt-out effect, low film density, weak substrate permeability, etc., to prevent the erosion of soluble substances in the wall , strong penetration and adhesion, and the effect of improving quality

Inactive Publication Date: 2011-12-28
SUZHOU MEIYAMEI CONSTR COATINGS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Due to the low film-forming density and weak permeability to the substrate of this kind of copolymer emulsion, the sealing performance is poor, and the anti-alkali and anti-salting-out effect is poor.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0011] A pure acrylic elastic primer is uniformly prepared by high-speed dispersion and stirring of the following raw materials according to the weight ratio: 4-6 parts of water, 0.08-0.1 part of dispersant, 10 parts of methyl propylene glycol, 0.03 part of defoamer, 0.03- 0.08 parts of preservatives, 0.03 to 0.08 parts of antifungal agents, 1 to 2 parts of mica powder, 5 to 6 parts of heavy calcium powder, 6 parts of quartz powder, 0.08 parts of organic amines, 10 to 30 parts of pure acrylic elastic emulsion, 0.2 to 0.25 1 part thickener, 3 parts neopentyl glycol.

[0012] The main technical performance of the product prepared by the present invention is as follows table 1

[0013] Table 1, main technical performance of the present invention

[0014] Alkali resistance

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PUM

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Abstract

The invention discloses a pure acrylic elastic primer which is processed with excellent pure acrylic elastic emulsion and imported additives. In addition to the function of general sealing primer, it also has a certain elongation rate. Its unique elastic function can cover The fine lines on the base layer and the prevention of cracks are widely used in the external thermal insulation system of external walls of buildings, effectively solving the problem of easy cracking in external thermal insulation systems.

Description

technical field [0001] The invention relates to a pure acrylic elastic primer, in particular to a pure acrylic elastic primer suitable for the back cover of an external thermal insulation system and an easily cracked base layer. technical background [0002] Primer is the first coat of paint applied before painting the interior and exterior walls. Its main function is to close the base of the wall and block the capillary pores in the base, so as to effectively isolate the alkali of the substrate and prevent the seepage of alkali from damaging the coating. There are two types of pure acrylic elastic primers: solvent-based and water-based, and water-based primers can be divided into water-emulsion and water-soluble. At present, most of the primers used in the building decoration industry are emulsion primers. Chinese invention patent application 03101178 discloses the technology of "a water-based alkali-resistant pure acrylic elastic primer and its evaluation method". The m...

Claims

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Application Information

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IPC IPC(8): C09D133/00C09D7/12
Inventor 曹其荣
Owner SUZHOU MEIYAMEI CONSTR COATINGS
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