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Composite rock slice, color-sand-free stone-like paint and preparation method thereof

A technology of composite rock flakes and imitation stone paint, applied in coatings, polyurea/polyurethane coatings, etc., can solve problems such as bleeding of rock flakes, stability of whole rock flake coatings, etc.

Inactive Publication Date: 2021-05-07
三棵树(上海)新材料研究有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] There are certain problems in the stability of the existing all-rock flake coatings, and there is a risk of bleeding of the rock flakes

Method used

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  • Composite rock slice, color-sand-free stone-like paint and preparation method thereof
  • Composite rock slice, color-sand-free stone-like paint and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0062] A composite rock slice is prepared from the following components in mass fraction ratio:

[0063] 20 parts of polyester diol, 20 parts of diisocyanate, 10 parts of chain extender, 0.1 part of antioxidant, 0.3 part of lubricant, 0.1 part of light stabilizer, 0.05 part of catalyst, 25 parts of inorganic filler, 0.05 part of pigment and even Joint agent 0.3 part.

[0064] The polyester diol is polyethylene adipate diol with a molecular weight of 1500.

[0065] Described diisocyanate is isophorone diisocyanate.

[0066] The chain extender is a mixture of 1,4-butanediol and 1,6-hexanediol in a mass ratio of 1:1; the antioxidant is hindered phenol antioxidant; the lubricant is sub Ethyl bis-stearamide; the catalyst is an organic bismuth compound; the inorganic filler is a mixture of kaolin, mica powder, and talcum powder in a ratio of 1:1:1; the pigment is a 400-800 purpose toner , the silane coupling agent is KH550.

[0067] A method for preparing a composite rock slice,...

Embodiment 2

[0094] A composite rock slice is prepared from the following components in mass fraction ratio:

[0095] 30 parts of polyester diol, 15 parts of diisocyanate, 2 parts of chain extender, 0.5 part of antioxidant, 0.01 part of lubricant, 1.1 part of light stabilizer, 0.01 part of catalyst, 20 parts of inorganic filler, 0.01 part of pigment and even Joint agent 0.5 part.

[0096] The polyester diol is polyethylene adipate diol with molecular weight between 2000.

[0097] Described diisocyanate is hexamethylene diisocyanate.

[0098]The chain extender is a mixture of 1,4-butanediol and 1,6-hexanediol in a mass ratio of 1.5:1; the antioxidant is hindered phenol antioxidant (AO-60); the The lubricant is ethylene bisstearamide; the catalyst is an organic bismuth compound; the inorganic filler is a mixture of barium sulfate, calcium carbonate, and titanium dioxide in a ratio of 1:2:3; the pigment For 400-800 mesh toner, the coupling agent is KH560.

[0099] A method for preparing a...

Embodiment 3

[0126] A composite rock slice is prepared from the following components in mass fraction ratio:

[0127] 40 parts of polyester diol, 10 parts of diisocyanate, 5 parts of chain extender, 0.3 part of antioxidant, 0.17 part of lubricant, 2 parts of light stabilizer, 0.1 part of catalyst, 30 parts of inorganic filler, 0.1 part of pigment and even Joint agent 0.6 part.

[0128] The polyester diol is polyethylene adipate diol with molecular weight between 2500.

[0129] Described diisocyanate is isophorone diisocyanate.

[0130] The chain extender is a mixture of 1,4-butanediol and 1,6-hexanediol in a mass ratio of 2:1; the antioxidant is hindered phenol antioxidant; the lubricant is sub Ethylbisstearamide; Described catalyst is organic bismuth compound; Described inorganic filler is the mixture that kaolin, talcum powder, barium sulfate, titanium dioxide mix according to 1:2:1:4 ratio; Described pigment is 400-800 mesh toner, the coupling agent is a 1:1 mixture of KH550 and KH56...

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Abstract

The invention relates to a composite rock slice, a color-sand-free stone-like paint and a preparation method thereof The composite rock slice is mainly prepared from the following components in parts by mass: 20 to 40 parts of polyester glycol, 10 to 20 parts of diisocyanate, 2 to 10 parts of chain extender, 0.1 to 0.5 part of antioxidant, 0.01 to 0.3 part of lubricant, 0.1 to 2 parts of light stabilizer, 0.01 to 0.1 part of catalyst, 20 to 30 parts of inorganic filler, 0.01 to 0.1 part of pigment and 0.3 to 0.6 part of coupling agent. The composite rock slice has excellent water resistance, alkali resistance and the like, has ductility and no adhesion in a normal-temperature state, is stable in property and free of bleeding in finished paint, and has no negative influence on construction of the finished paint.

Description

technical field [0001] The invention relates to a composite rock slice, a non-colored sand imitation stone paint and a preparation method thereof. Background technique [0002] Real stone paint is a kind of decorative paint with a decorative effect similar to marble and granite. It is mainly made of emulsion and natural colored sand of various colors. It is applied to building exterior walls. The hardness of the paint film is high after drying. Decorative effect is good. However, natural colored sand, the main raw material of real stone paint, is a non-renewable resource. With the growing construction industry, the amount of raw ore used to produce natural colored sand is increasing, causing a certain degree of resource destruction, and natural colored sand Different colors, large differences between batches, and different mineral sources will also bring about a series of performance differences such as different water absorption of natural colored sand. In order to reduce...

Claims

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Application Information

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IPC IPC(8): C09D175/06C09D7/61C09D7/65
CPCC09D175/06C09D7/61C09D7/65C08L1/02C08K3/34
Inventor 杨帆
Owner 三棵树(上海)新材料研究有限公司
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