Latex paint for outer wall

A latex paint and exterior wall technology, applied in latex paint and other directions, can solve problems such as limiting the application of solvent-based coatings, and achieve the effects of convenient construction, strong covering power and strong adhesion

Inactive Publication Date: 2007-06-27
SHENZHEN OCEAN POWER INDUSTRIAL CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] With the increasing environmental protection regulations, the application of traditional solvent-based coatings in real life is gradually restricted

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0029] Weigh or measure: water, 17.0g; dispersant Hydropalat  34, 1.2g; Stabilizer Hydropalat  306, 0.1g; AMP95, 0.15g; defoamer Defoamer 125, 0.15g; pigment R215, 16.0g; filler 1250 mesh BaSO 4 , 13.0g; filler DB80, 5.0g; filler 1000 mesh heavy calcium, 5.0g; filler 800 mesh wollastonite, 5.0g; defoamer Defoamer121, 0.15g; emulsion 998A, 30.0g; preservative LFM, 0.20g; Coalescing aid, alcohol ester twelve, 1.5g; thickener DSX3551, 0.6g. Stir water and additives at 500r for 15 minutes, and then add various coloring pigments and extender pigments to it in turn under low-speed stirring to pre-disperse them evenly, and then use sand milling to grind various pigments until scraped. The fineness of the plate is below 30μm. After filtering, add defoamer, emulsion, preservative, and film-forming aid in order, and stir for about 15 minutes. Add AMP95 to adjust the pH value. In the case of low-speed dispersion, add thickener DSX3551 to it , to get the finished product.

Embodiment 2

[0031] Weigh or measure: water, 25.0g; dispersant Hydropalat  34, 1.1g; Stabilizer Hydropalat  306, 0.15g; AMP95, 0.20g; defoamer Defoamer 125, 0.18g; pigment R215, 15.0g; filler 1250 mesh BaSO 4 , 14.0g; filler DB80, 4.0g; filler 1000 mesh heavy calcium, 6.0g; filler 800 mesh wollastonite, 6.0g; defoamer Defoamer121, 0.18g; emulsion 998A, 25.0g; preservative LFM, 0.18g; Coalescing agent, alcohol ester twelve, 1.3g; thickener DSX3551, 0.8g. The preparation process is the same as in Example 1.

Embodiment 3

[0033] Weigh or measure: water, 36.0g; dispersant Hydropalat  34, 1.0g; Stabilizer Hydropalat  306, 0.05g; AMP95, 0.18g; defoamer Defoamer 125, 0.20g; pigment R215, 17.0g; filler 1250 mesh BaSO 4 , 15.0g; filler DB80, 6.0g; filler 1000 mesh heavy calcium, 4.0g; filler 800 mesh wollastonite, 4.0g; defoamer Defoamer121, 0.20g; emulsion 998A, 20.0g; preservative LFM, 0.15g; Coalescing agent, alcohol ester twelve, 1.0g; thickener DSX3551, 1.0g. The preparation process is the same as in Example 1.

[0034] The main performance of the latex paint that embodiment gain is used for exterior wall

[0035]

[0036] Sag measurement is based on GB 9624-88; leveling measurement is based on JB / 3998-1999; grinding fineness is determined according to GB6753.1-86; hiding power is determined according to GB 1726-79; contrast ratio is determined according to GB 9270-88; Measured by Stormer viscometer. The above performance tests are in line with national standards.

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PUM

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Abstract

The latex paint for outer wall consists of water 17.0-36.0 weight portions, dispersant Hydropalat 34 in 1.0-1.2 weight portions, stabilizer Hydropalat 306 in 0.05-0.15 weight portions, pH regulator AMP95 in 0.15-0.2 weight portions, defoaming agent Defoamer 125 in 0.15-0.2 weight portions, pigment R215 in 15.0-17.0 weight portions, stuffing 1250 mesh BaSO4 in 13.0-15.0 weight portions, stuffing DB80 in 4.0-6.0 weight portions, stuffing 1000 mesh heavy calcium carbonate in 4.0-6.0 weight portions, stuffing 800 mesh wollastonite in 4.0-6.0 weight portions, defoarming agent Defoamer 121 in 0.15-0.20 weight portions, emulsion 998A in 20.0-30.0 weight portions, antiseptic LFM0.15-0.20 weight portions, filming assistant in 1.0-1.5 weight portions, thickener DSX3551 in 0.6-1.0 weight portions. The latex paint has low viscosity, high adhesion, high covering power and other advantages.

Description

【Technical field】 [0001] The invention relates to architectural coatings, in particular to a latex paint for exterior walls. 【Background technique】 [0002] With the increasing environmental protection regulations, the application of traditional solvent-based coatings in real life is gradually restricted. As a kind of environment-friendly paint, latex paint has a very broad prospect of development and application. Coating emulsion is the main film-forming substance, which plays a key role in the structure and performance of the coating film, that is, the change of the resin structure has a decisive impact on the performance of the coating. Due to the complexity of coating composition and the diversity of performance requirements, it is necessary to grasp the influence rules of resin structure and coating film performance when formulating. In the process of formulation design, synergy technology should also be fully considered, which includes the synergistic effect of pigme...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D5/02
Inventor 刘顺龙谭亮何唯平
Owner SHENZHEN OCEAN POWER INDUSTRIAL CO LTD
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