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Coating compositions

A composition and coating technology, applied in the direction of coating, etc., can solve the problems of difficult high opacity value, reduced opacity, low gloss, etc.

Pending Publication Date: 2020-12-01
IMERTECH SAS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, with a large amount of TiO 2 Compared to coating compositions that are substantially free of TiO 2 Coating compositions typically have reduced opacity
Furthermore, it has also been found difficult to produce substantially TiO-free 2 coating composition

Method used

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  • Coating compositions
  • Coating compositions
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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0239] Paint Example 1 was prepared by mixing Mineral Blend Example 1 (having the composition listed in Table 1) with water, 25% ammonia (NH 3 ) solution, defoamer BYK-024, dispersant Ecodis TM P 90. Insecticides MBS, cellulose thickener Natrosol TM 250HR, acrylic binder resin S790, Coalescing agent Texanol TM and joint thickener Acrysol TM TT-935ER (supplied as a 50% aqueous solution) was prepared according to the combinations listed in Table 2.

[0240] Opacity, 85° Gloss, CIELAB L* and b*, and Scuff Resistance of Paint Example 1 were measured and are listed in Table 3.

Embodiment 2

[0242] Paint Example 2 was prepared by mixing Mineral Blend Example 2 (having the composition listed in Table 1) with water, 25% ammonia (NH 3 ) solution, defoamer BYK-024, dispersant Ecodis TM P 90. Insecticides MBS, cellulose thickener Natrosol TM 250HR, acrylic binder resin S790, Coalescing agent Texanol TM and joint thickener Acrysol TM TT-935ER (supplied as a 50% aqueous solution) was prepared according to the combinations listed in Table 2.

[0243] Opacity, 85° Gloss, CIELAB L* and b*, and Scuff Resistance of Paint Example 2 were measured and are listed in Table 3.

Embodiment 3A

[0245] Paint Example 3A was prepared by mixing Mineral Blend Example 3 (having the composition listed in Table 1) with water, 25% ammonia (NH 3 ) solution, defoamer BYK-024, dispersant Ecodis TM P 90. Insecticides MBS, cellulose thickener Natrosol TM 250HR, acrylic binder resin S790, Coalescing agent Texanol TM and joint thickener Acrysol TM TT-935ER (supplied as a 50% aqueous solution) was prepared according to the combinations listed in Table 2.

[0246] Opacity, 85° Gloss, CIELAB L* and b*, and Scuff Resistance of Paint Example 3A were measured and are listed in Table 3.

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Abstract

TiO2-free coating compositions and mineral blends for use in TiO2-free coating compositions.

Description

technical field [0001] The present invention relates to coating compositions (such as paints) and coating compositions (substantially free of TiO 2 ) of mineral blends. Background technique [0002] TiO 2 Typically used in coating compositions such as paints or sealants as opacifying, matting and whitening mineral fillers. Today, it is desirable to produce substantially TiO-free 2 Coating compositions such as paints. This is due to TiO 2 cost and perceived environmental impact. However, with a large amount of TiO 2 Compared to coating compositions that are substantially free of TiO 2 Coating compositions typically have reduced opacity. Furthermore, it has also been found difficult to produce substantially TiO-free 2 coating composition. Contents of the invention [0003] According to a first aspect, the present invention is directed to a coating composition comprising a mineral blend and not more than about 1.0% by weight of TiO based on the total weight of the c...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D133/04C09D7/42C09D7/61
CPCC09D7/00C09D7/61C08K3/26C08K3/346C08K2003/265C08K2201/005C08K2201/019C08L27/06
Inventor A·白里安H·多拉尼A·埃尔顿-勒格里L·维尔斯图福特E·伯廷P·弗利岑
Owner IMERTECH SAS