A kind of high elastic primer

A primer and high-elasticity technology, applied in the direction of coating, etc., can solve the problems of poor alkali resistance and salting-out effect, weak substrate permeability, low film density, etc., and achieve excellent pan-alkaline resistance and strong penetration The effect of ability and strong elongation

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 high-elastic primer is uniformly prepared by dispersing and stirring at a high speed with a mixer according to the following raw materials according to the weight ratio: 5 parts of water, 2 parts of dispersant, 1 part of defoamer, 10 parts of preservative, 0.03 to 0.08 parts of antifungal agent, 2-3 parts of kaolin, 1-2 parts of mica powder, 5-6 parts of heavy calcium powder, 6 parts of quartz powder, 1 part of organic amine, 30 parts of elastic emulsion, 0.2-0.25 parts of thickener, 10 parts of methyl propylene glycol, 4 parts phthalic anhydride.

[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 high-elastic primer which is refined from high-molecular 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. , thereby resisting 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 high-elastic primer, in particular to a high-elastic 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 high-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 high-elastic primer and its evaluation method". The main raw material of this high elastic primer is styrene-copolymer emulsion. Due to ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D201/00C09D7/12
Inventor 曹其荣
Owner SUZHOU MEIYAMEI CONSTR COATINGS
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