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Nanometer silicon wall paint for external wall

A nano-silicon, wall paint technology, applied in biocide-containing paints, antifouling/underwater coatings, coatings, etc., can solve problems such as poor durability, blistering, and paint film peeling, and achieve good air permeability. Effect

Active Publication Date: 2012-10-03
山东乐化漆业股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, most exterior wall paint coatings have insufficient stain resistance, are prone to aging, discoloration, and poor durability. Especially in the northern region, in order to prevent cracking of the base, many projects have adopted elastic exterior wall paint, but due to the elastic exterior The wall and wall paint has poor air permeability, and it is prone to blistering and even peeling off of the paint film

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0046] Nano-silicon exterior wall paint is prepared from the following materials in parts by weight:

[0047] Deionized water: 30;

[0048] Dispersant: 0.7;

[0049] Wetting agent: 0.2;

[0050] Fungicide: 0.2;

[0051] Antifreeze: 2;

[0052] PH regulator: 0.2;

[0053] Defoamer: 0.3;

[0054] pigments: 23;

[0055] filler: 23;

[0056] Nano calcium carbonate: 7;

[0057] Antifungal agent: 0.3;

[0058] Thickener: 0.7;

[0059] Silicone acrylic emulsion: 25;

[0060] Silicone modified acrylate polymer emulsion: 4;

[0061] Coalescing aid: 0.7.

[0062] The preparation steps of nano silicon exterior wall paint are as follows:

[0063] S1. In a stainless steel container, add 30 parts by weight of deionized water, and at a stirring speed of 500r / min, add 0.2 parts by weight of bactericide, 0.7 parts by weight of dispersant, 0.2 parts by weight of wetting agent, 2 parts by weight of Part antifreeze, 0.3 parts by weight defoamer, 0.3 parts by weight antifungal agent ...

Embodiment 2

[0066] Nano-silicon exterior wall paint is prepared from the following materials in parts by weight:

[0067] Deionized water: 30;

[0068] Polyacrylate ammonium salt dispersant: 0.7;

[0069] Octylphenol polyoxyethylene ether wetting agent: 0.2;

[0070] Water-based chloromethyl and methylisothiazolinone mixture fungicide: 0.2;

[0071] Ethylene glycol antifreeze: 2;

[0072] PH regulator: 0.2;

[0073] Silica defoamer: 0.3;

[0074] Rutile titanium dioxide pigment: 23;

[0075] Quartz powder filler: 23;

[0076] Nano calcium carbonate: 7;

[0077] OBPA antifungal agent: 0.3;

[0078] Polyacrylamide thickener: 0.7;

[0079] High solid silicon modified acrylic emulsion: 25;

[0080] Silicone modified acrylate polymer emulsion: 4;

[0081] Alcohol ester twelve film-forming aids: 0.7.

[0082] The preparation steps of nano silicon exterior wall paint are as follows:

[0083] S1. In a stainless steel container, add 30 parts by weight of deionized water, and at a stirri...

Embodiment 3

[0086] Nano-silicon exterior wall paint is prepared from the following materials in parts by weight:

[0087] Deionized water: 20;

[0088] Dispersant: 0.5;

[0089] Wetting agent: 0.1;

[0090] Fungicide: 0.1;

[0091] Antifreeze: 1;

[0092] PH regulator: 0.1;

[0093] Defoamer: 0.2;

[0094] pigments: 15;

[0095] filler: 15;

[0096] Nano calcium carbonate: 5;

[0097] Antifungal agent: 0.2;

[0098] Thickener: 0.3;

[0099] Silicone acrylic emulsion: 15;

[0100] Silicone modified acrylate polymer emulsion: 3;

[0101] Coalescing aid: 0.5.

[0102] Above: the dispersant is a low-cost, model 1124 dispersant for latex paint produced by Rohm and Haas, and its main component is ammonium polyacrylate; the wetting agent is X-405 wetting agent produced by Rohm and Haas. The wet agent, the main component is octylphenol polyoxyethylene ether; the bactericide is K20 produced by Germany Shumei Company, the main component is a mixture of water-based chloromethyl and meth...

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PUM

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Abstract

The invention relates to a nanometer silicon wall paint for an external wall, which is prepared by using the following raw materials by weight part: 20-40 parts of de-ionized water, 0.5-0.8 parts of dispersing agents, 0.1-0.3 parts of wetting agents, 0.1-0.3 parts of bactericides, 1-3 parts of anti-freezing agents, 0.1-0.2 parts of pH regulators, 0.2-0.4 parts of de-foaming agents, 15-25 parts of pigments, 15-25 parts of fillers, 5-8 parts of nanometer calcium carbonate, 0.2-0.4 parts of mildew preventives, 0.3-1.0 parts of thickening agents, 15-35 parts of silicone acrylic emulsions, 3-5 parts of organic silicon modified acrylic ester polymerized emulsions and 0.5-1.0 parts of film-forming auxiliaries. The nanometer silicon wall paint for the external wall has a hydrophobic self-cleaning effect and has super climate resistance.

Description

technical field [0001] The invention relates to a nano silicon exterior wall paint. Background technique [0002] At present, exterior wall paint is a kind of protective and decorative water-based paint applied to the exterior walls of buildings such as houses, apartments, hotels, etc. It has a wide range of applications, is convenient to use, is non-toxic, and is environmentally friendly. However, most exterior wall paint coatings have insufficient stain resistance, are prone to aging, discoloration, and poor durability. Especially in the northern region, in order to prevent cracking of the base, many projects have adopted elastic exterior wall paint, but due to the elastic exterior Wall and wall paint has poor air permeability, and it is prone to blistering and even peeling off of the paint film. [0003] Therefore, how to produce a kind of exterior wall paint with high color retention, super durability, self-cleaning, water repellency and good air permeability to replace...

Claims

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Application Information

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IPC IPC(8): C09D133/04C09D5/14
Inventor 沈继雨沈孝元沈孝忠张生军
Owner 山东乐化漆业股份有限公司
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