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Modified inorganic silicate compounded stain-resistant anti-freezing emulsion and preparation method thereof

An inorganic silicate and modification technology, applied in the field of emulsion, can solve the problems of difficult to take into account the pollution resistance, excellent anti-freeze stability and low stability at the same time, achieve excellent anti-fouling performance and anti-freezing stability, solve the problem of high VOC content, The effect of excellent antifouling performance

Active Publication Date: 2021-05-28
泰兴市华盛银洋新材料科技有限公司 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0007] In view of the deficiencies in the prior art above, the object of the present invention is to provide a modified inorganic silicate composite stain-resistant antifreeze emulsion and its preparation method , aiming to solve the problem that the existing interior wall coating products are difficult to take into account the characteristics of stain resistance, excellent frost resistance stability and low VOC content at the same time

Method used

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  • Modified inorganic silicate compounded stain-resistant anti-freezing emulsion and preparation method thereof
  • Modified inorganic silicate compounded stain-resistant anti-freezing emulsion and preparation method thereof
  • Modified inorganic silicate compounded stain-resistant anti-freezing emulsion and preparation method thereof

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preparation example Construction

[0064] The present invention also provides a method for preparing the above-mentioned modified inorganic silicate composite anti-frost emulsion, comprising the following steps:

[0065] Step S100, preparing prepolymer seeds: when the temperature in the reactor reaches 35-40°C, quickly pour the monomer emulsion A and initiator solution A into the reactor with the bottom liquid, and then lower the temperature in the reactor to Slowly raise the temperature to 83-85°C and keep it warm for 30 minutes to prepare prepolymer seeds;

[0066] In this step, prepolymer seeds with fine particle size and low glass transition temperature are first initiated and polymerized at low temperature, which can ensure a more uniform particle size distribution of the final emulsion and ensure the pollution and anti-fouling properties of the modified inorganic silicate compound. the quality of frozen emulsions;

[0067] Step S200, preparation of core-shell polymer emulsion: After the prepolymer seeds ...

Embodiment 1

[0088] The invention provides a modified inorganic silicate composite anti-fouling and antifreeze emulsion, the raw materials of which include the following components by weight:

[0089]

[0090]

[0091] Further, the present invention also provides a method for preparing the above-mentioned modified inorganic silicate composite anti-fouling and antifreeze emulsion, comprising the following steps:

[0092] Step S100, preparing prepolymer seeds: when the temperature in the reactor reaches 35°C, quickly pour the monomer emulsion A and initiator solution A into the reactor with the bottom liquid, and then slowly raise the temperature in the reactor To 83 ℃, heat preservation for 30 minutes to prepare prepolymer seeds;

[0093] Step S200, preparation of core-shell polymer emulsion: After the prepolymer seeds are obtained, the constant flow dripping pump is turned on at the same time, and the monomer emulsion B and the initiator solution B are respectively added dropwise into ...

Embodiment 2

[0110] The invention provides a modified inorganic silicate composite anti-fouling and antifreeze emulsion, the raw materials of which include the following components by weight:

[0111]

[0112]

[0113] Further, the present invention also provides a method for preparing the above-mentioned modified inorganic silicate composite anti-fouling and antifreeze emulsion, comprising the following steps:

[0114] Step S100, preparing prepolymer seeds; when the temperature in the reactor reaches 36°C, quickly pour monomer emulsion A and initiator solution A into the reactor equipped with bottom liquid, and then slowly raise the temperature in the reactor To 84 ℃, heat preservation for 30 minutes to prepare prepolymer seeds;

[0115] Step S200, preparation of core-shell polymer emulsion: After the prepolymer seeds are obtained, the constant flow dripping pump is turned on at the same time, and the monomer emulsion B and the initiator solution B are respectively added dropwise in...

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Abstract

The invention discloses a modified inorganic silicate compounded stain-resistant and anti-freezing emulsion. Raw materials comprise deionized water, styrene, a methacrylate monomer, an acrylate monomer, an alkyl acrylic acid monomer, trimethylolpropane triester, vinyltriethoxysilane, polyethylene glycol methacrylate, an emulsifier, an initiator, a bactericide, a carbonate buffer, a defoaming agent, sodium hydroxide and modified inorganic silicate. Through a soft-shell and hard-shell polymerization process, prepolymer seeds with fine particle size and low glass transition temperature are polymerized through low-temperature initiation, then monomers with stain-resistant and anti-freezing effects are polymerized onto the prepolymer seeds through high-temperature reaction to obtain core-shell polymer emulsion, and finally, inorganic silicate is compounded and modified by latex particles, so the obtained emulsion achieves a super-strong stain-resistant effect. The emulsion obtained by the formula is applied to an interior wall coating, so that the coating has excellent stain resistance and anti-freezing stability and low VOC content at the same time.

Description

technical field [0001] The invention relates to the field of emulsion technology, in particular to a modified inorganic silicate composite antifouling and antifreeze emulsion and a preparation method thereof. Background technique [0002] With the in-depth development of the "new infrastructure" field, the domestic real estate industry has changed from an incremental mode to a quality-improving mode, and interior decoration interior wall emulsions and coatings have also extended from basic decoration and protection functions to more in-depth ones. Transformation of functional emulsions and coatings. [0003] In our daily life, the decoration of new houses and the renovation of old houses are inseparable from interior wall coatings; interior wall coatings for interior decoration are materials that we can easily encounter in our lives, and life stains in life can be seen everywhere, and at any time May be splashed or smeared on interior walls. If it is necessary to keep the ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08F265/06C08F220/18C08F220/28C08F212/08C08F220/06C08F220/14C09D151/00C09D5/16C09D7/63
CPCC08F265/06C09D151/003C09D5/1668C09D5/1687C08F220/1804C08F220/287C08F212/08C08F220/1808C08F220/06C08F220/14C08F220/1805C08K5/5415
Inventor 涂鸿飞赵志辉江彬董宇军
Owner 泰兴市华盛银洋新材料科技有限公司
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