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Water-based inorganic three-proofing coating and preparation method thereof

An inorganic, water-based technology, applied in anti-corrosion coatings, fire-resistant coatings, anti-fouling/underwater coatings, etc., can solve problems such as fire hazards and air pollution, and achieve the effects of poor water resistance, accelerated curing, and good low-temperature stability

Inactive Publication Date: 2020-06-09
杭州蓝田涂料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] Traditional oil-based paints use organic solvents as solvents. In this way, volatile organic compounds (VOC) will be released, which will easily pollute the atmosphere and cause fire hazards during construction.

Method used

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  • Water-based inorganic three-proofing coating and preparation method thereof
  • Water-based inorganic three-proofing coating and preparation method thereof
  • Water-based inorganic three-proofing coating and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

preparation example 1-3

[0044] Octamethylcyclotetrasiloxane in Preparation Example 1-3 was selected from the octamethylcyclotetrasiloxane of model D3 sold by Shandong Xinjie Environmental Protection Technology Co., Ltd., and the phenalkamine curing agent in Preparation Example 1-3 was selected from Shandong Deyuan Epoxy Technology Co., Ltd. DFT-31, γ-glycidyl ether oxypropyl trimethoxysilane was selected from the γ-glycidyl ether oxypropyl silane model AC-66 sold by Fangzhou (Fogang) Chemical Materials Co., Ltd. trimethoxysilane.

preparation example 1

[0045] Preparation Example 1: (1) According to the raw material ratio in Table 1, 10kg octamethylcyclotetrasiloxane and 5kg γ-glycidyl ether oxypropyltrimethoxysilane were mixed uniformly;

[0046] (2) 8kg of emulsifier, 15kg of deionized water, 3kg of sodium hydroxide and 1kg of phenalkamine curing agent are heated to 65°C at a rotational speed of 400r / min, the product of step (1) is added within 1.5h, and the reaction is kept for 9h , sharply cooled to 30°C, neutralized with acetic acid, filtered, and discharged to obtain an anionic silicone emulsion. The emulsifier includes polyoxyethylene octylphenol ether, sodium lignosulfonate and Dodecylbenzenesulfonic acid.

[0047] The raw material ratio of the anionic silicone emulsion in the preparation example 1-3 of table 1

[0048]

preparation example 2

[0049] Preparation Example 2: (1) According to the raw material ratio in Table 1, 15kg octamethylcyclotetrasiloxane and 8kg γ-glycidyl ether oxypropyltrimethoxysilane were mixed uniformly;

[0050] (2) 9kg of emulsifier, 25kg of deionized water, 4kg of sodium hydroxide and 2kg of phenalkamine curing agent were heated to 68°C at a rotating speed of 500r / min, and the product of step (1) was added within 1.3h, and the reaction was incubated for 9h. , sharply cooled to 35°C, neutralized with acetic acid, filtered and discharged to obtain an anionic silicone emulsion. The emulsifier includes polyoxyethylene octylphenol ether, sodium lignosulfonate and Dodecylbenzenesulfonic acid.

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Abstract

The invention discloses a water-based inorganic three-proofing coating and a preparation method thereof. The water-based inorganic three-proofing coating comprises the following components in parts byweight: 300 to 312 parts of water, 4 to 8 parts of a dispersant, 0.3 to 0.8 part of a neutralizer, 3 to 4 parts of an antifoaming agent, 180 to 200 parts of titanium dioxide, 180 to 200 parts of calcium carbonate, 3 to 5 parts of cellulose, 8 to 12 parts of an anionic organosilicon emulsion, 4 to 6 parts of a stabilizing agent, 210 to 220 parts of potassium silicate and 45 to 55 parts of a pure acrylic emulsion, wherein the anionic organosilicon emulsion comprises the following components: octamethylcyclotetrasiloxane, an emulsifier, deionized water, sodium hydroxide, gamma-glycidoxypropyltrimethoxysilane and a phenolic aldehyde amine curing agent. The water-based inorganic three-proofing coating has the advantages of suitability for low-temperature construction, high drying speed in a low-temperature environment, short curing time, high adhesive force and excellent sound absorption and noise reduction effect.

Description

technical field [0001] The invention relates to the technical field of architectural coatings, in particular to a water-based inorganic three-proof coating and a preparation method thereof. Background technique [0002] Traditional oil-based paints use organic solvents as solvents, which will release volatile organic compounds (VOCs), which can easily pollute the atmosphere and pose a fire hazard during construction. With the improvement of people's living standards, consumers' requirements for quality of life have also been greatly improved, and more and more attention has been paid to the problem of decoration pollution. Not only pay attention to the general performance of the coating, but also pay more attention to the non-toxicity and harmlessness of the coating to the human body and the environment, because a healthy living environment is the basis of a good quality of life. Water-based inorganic coatings, as a kind of eco-friendly coatings, have been concerned by the ...

Claims

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Application Information

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IPC IPC(8): C09D1/04C09D5/08C09D5/14C09D5/18C09D7/61C09D7/65C09D7/62
CPCC09D1/04C09D5/08C09D5/14C09D5/18C09D7/61C09D7/62C09D7/65C09D7/70
Inventor 陈观荣
Owner 杭州蓝田涂料有限公司
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