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Emulsion for inorganic silicate coating and preparation method thereof

An inorganic silicate and coating technology, applied in the direction of alkali metal silicate coatings, etc., can solve the problems of poor emulsion adaptability, poor storage stability, etc., and achieve the advantages of less emulsion consumption, less scrub resistance drop, and low film forming temperature Effect

Active Publication Date: 2021-01-22
江苏日出化工有限公司 +1
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  • Application Information

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Problems solved by technology

[0003] The technical problem to be solved by the present invention is: to overcome the deficiencies of the prior art, to provide an emulsion for inorganic silicate coatings and a preparation method thereof, and to solve the problems of poor adaptability and poor storage stability of emulsions in inorganic silicate coatings in the past

Method used

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  • Emulsion for inorganic silicate coating and preparation method thereof
  • Emulsion for inorganic silicate coating and preparation method thereof
  • Emulsion for inorganic silicate coating and preparation method thereof

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preparation Embodiment 1

[0065] A preparation method for preparing an emulsion for inorganic silicate paint in Example 1, comprising the following steps:

[0066] Step S01, prepare pre-emulsion in the monomer bottle: rinse with 15 parts of water, 1 part of emulsifier, 1 part of crosslinking agent, 5 parts of acrylic acid, 25 parts of butyl acrylate, 20 parts of octyl acrylate, and 20 parts of styrene Add water to the monomer bottle for emulsification in order;

[0067] Configure three parts of initiator aqueous solution, the first initiator aqueous solution, the second initiator aqueous solution and the third initiator aqueous solution, and the second initiator aqueous solution is packed in the oxidant bottle;

[0068] The second initiator aqueous solution is a mixed solution of 5 parts of water and 0.1 part of ammonium persulfate.

[0069] The first initiator aqueous solution is the aqueous solution of 0.08 part of ammonium persulfate;

[0070] The third initiator aqueous solution is the aqueous so...

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Abstract

The invention relates to an emulsion for an inorganic silicate coating, which comprises the following components in parts by mass: water, an emulsifier, polymer colloid, a cross-linking monomer, acrylic acid, butyl acrylate, octyl acrylate, styrene, ammonium persulfate, vinyltrimethoxysilane, tert-butyl hydroperoxide, an FF6M reducing agent, ascorbic acid and potassium hydroxide. The invention relates to a preparation method of emulsion. The preparation method comprises the following steps: S01, preparing pre-emulsified liquid in a monomer bottle; S02, adding water into a reaction kettle, stirring, adding an emulsifier and a polymer colloid, and dropwise adding an emulsion and a second initiator aqueous solution; S03, adding a tert-butyl hydroperoxide aqueous solution, adding an FF6M reducing agent aqueous solution; S04, adjusting the PH value; and step S05, adding a defoaming agent and a bactericide. Therefore, the emulsion has good compatibility and storage stability with inorganic silicate.

Description

technical field [0001] The invention relates to polymer materials, in particular to an emulsion for inorganic silicate paint and a preparation method thereof. Background technique [0002] Inorganic silicate coatings have the advantages of fire resistance and high temperature resistance, antibacterial, breathable, durable, alkali resistance, high hardness, self-cleaning and antistatic, chemical acid rain resistance, flash rust resistance, neutral salt spray resistance, excellent adhesion, and environmental protection. The silicates used in inorganic silicate coatings mainly include sodium silicate and potassium silicate. Because sodium silicate has poor water resistance, it does not improve the performance of the coating much, while potassium silicate has better water resistance and is used in coatings. The overall performance is better, so potassium silicate is often used, and the pH value of both sodium silicate and potassium silicate is very high, about between 11 and 12,...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D1/04C08F265/02C08F220/06C08F220/18C08F212/08C08F230/08
CPCC09D1/04C08F265/02C08F220/06C08F220/1804C08F220/1808C08F212/08C08F230/085
Inventor 景国洪夏林存王海泉
Owner 江苏日出化工有限公司
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