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a primer

A primer and raw material technology, applied in coatings and other directions, can solve the problems of poor alkali resistance and anti-salting out effect, low film-forming density, weak substrate permeability, etc. , The effect of preventing spit alkali from blooming

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

[0009] A primer is uniformly prepared by high-speed dispersion and stirring with a mixer according to the following raw materials: 2-3 parts of water, 0.08-0.1 part of dispersant, 0.03 part of defoamer, 0.03-0.08 part of preservative, 0.03-0.08 part Antifungal agent, 2-3 parts of kaolin, 1-2 parts of mica powder, 5-6 parts of heavy calcium powder, 2.5-3 parts of quartz powder, 0.08 parts of organic amine, 15-20 parts of elastic emulsion, 0.2-0.25 parts of thickening agent.

[0010] The main technical performance of the product prepared by the present invention is as follows table 1

[0011] Table 1, main technical performance of the present invention

[0012] Alkali resistance

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PUM

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Abstract

The invention discloses a primer which is refined from polymer elastic emulsion, inorganic binders, functional additives, and pigments and fillers. Its unique high-elastic formula design has amazing resilience enough to expand and shrink with the base layer's heat, thereby Resists cracking. Its unique elastic function is used in conjunction with fluorocarbon paint, which can solve the common problem that fluorocarbon paint is easy to crack, which is beneficial to its decoration, so that the wall is cracked but the paint is not cracked, and the wall can be protected for a long time.

Description

technical field [0001] The invention relates to a primer, in particular to a primer suitable for the back cover of fluorocarbon paint. 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 primers: solvent-based and water-based, while water-based paint can be divided into water-based 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 anti-alkali primer and its evaluation method". The main raw material of this primer is styrene-copolymer emulsion. Due to the low film-forming density and weak permeability to the base material o...

Claims

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Application Information

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IPC IPC(8): C09D201/00C09D7/12
Inventor 曹其荣
Owner SUZHOU MEIYAMEI CONSTR COATINGS
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