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Water-containing emulsion of organic silicon resin with abrasion climate protection performance

A protective performance, silicone technology, applied in coatings, polyether coatings, etc., can solve the problems of decreased strength and adhesion or adhesion, weak adhesion, etc., to improve frost resistance and overall adhesion. Strong, non-yellowing effect

Inactive Publication Date: 2022-03-18
韩祝平
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In the prior art, it loses some or all of its reactive groups over time, and as a result, the strength and adhesiveness or bonding ability of films formed from aged emulsions is greatly reduced compared to freshly prepared emulsions , the overall adhesion is not strong

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0027] The aqueous emulsion having a silicone resin having abrasive climate protective performance consists of 30 parts by weight of the silicone MQ resin, 25 parts of ethylene oxide - cycloalkoxane block copolymer, maleic anhydride 15 Series, first chain extender, 5 parts of polytedurant, 1 antifilling agent, 0.5 parts of antifoam, 2 parts of ammonia, 0.5 parts of alkali metal, 1 emulsifier, 4 parts of benzyl ammonium chloride And 10 parts of water.

[0028] The silicone resin is an organopolysiloxane having the following formula: [(R2SiO (2-A) / 2) C (OZ) a] [(RSIO (3-B) / 2) (1-c) (Oz) b], where C and 1-C represent the molecular silyl fraction of the silyloxy unit, A is 0-2, B is 0-2, C is 0-0.6, and the conditions are A + B is from 0.10-2.00, R is a monovalent organic group having 1-30 carbon atoms, Z is hydrogen or an alkyl group having 1-4 carbon atoms.

[0029] The antifreege is composed of sodium lignozanulfonate, sodium chloride, and potassium bleedate.

Embodiment 2

[0031] The aqueous emulsion having a silicone resin having abrasive climate protective properties consists of 40 parts by weight of the polyether modified silicone resin, 25 seropolymethane-propylene oxide block copolymers. 17 parts of dimethyla anhydride and tetrahydroxylene terephthalic anhydride, 2.8 parts of the first chain extender, 8 parts of polytedurant, 2 antifilling agents, 0.6 defoaming agents, 2.5 potassium hydroxide, alkaline earth metal and ammonium salt 0.6 1.5 parts of emulsifier, 6 cophenylphosphine 6 parts and 20 parts of water.

[0032] The silicone resin is an organopolysiloxane having the following formula: [(R2SiO (2-A) / 2) C (OZ) a] [(RSIO (3-B) / 2) (1-c) (Oz) b], where C and 1-C represent the molecular silyl fraction of the silyloxy unit, A is 0-2, B is 0-2, C is 0-0.6, and the conditions are A + B is from 0.10-2.00, R is a monovalent organic group having 1-30 carbon atoms, Z is hydrogen or an alkyl group having 1-4 carbon atoms.

[0033] The antifreege i...

Embodiment 3

[0035] The aqueous emulsion having a silicone resin having abrasive climate protective performance consists of 50 parts by weight of the component: 50 parts of the polyether modified silicone resin, 25 copolymers of ethylene oxide - cycloalkane. 17 parts of diaphrate, 3 parts of the first chain extender, 10 polytedurant, 3 parts of antifugase, 1 defoam agent, 3 parts of triethylamine, 1 ammonium salt, 2 emulsifier, 4-dimethyl amino group 10 parts of pyridine and 15 water.

[0036] The silicone resin is an organopolysiloxane having the following formula: [(R2SiO (2-A) / 2) C (OZ) a] [(RSIO (3-B) / 2) (1-c) (Oz) b], where C and 1-C represent the molecular silyl fraction of the silyloxy unit, A is 0-2, B is 0-2, C is 0-0.6, and the conditions are A + B is from 0.10-2.00, R is a monovalent organic group having 1-30 carbon atoms, Z is hydrogen or an alkyl group having 1-4 carbon atoms.

[0037] The antifreege is composed of sodium lignozanulfonate, sodium chloride, and potassium bleeda...

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PUM

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Abstract

The invention discloses a water-containing emulsion of organic silicon resin with abrasive climate protection performance, which has the characteristics of water resistance and strong adhesive force. The surface treating agent is prepared from 30-50 parts of organic silicon resin, 10-26 parts of an ethylene oxide-propylene oxide segmented copolymer, 15-20 parts of anhydride, 1-3 parts of a first chain extender, 5-10 parts of polytetrahydrofuran, 1-3 parts of an anti-freezing agent, 0.5-1 part of a defoaming agent, 2-3 parts of a neutralizing agent, 0.5-1 part of water-soluble salt, 1-2 parts of an emulsifying agent, 4-10 parts of a ring-opening catalyst and 10-20 parts of water. The surface treating agent can be used as a surface treating agent.

Description

Technical field [0001] The present invention relates to the field of silicone resin, and in particular, a water emulsion having an organic silicone resin having abrasive climate protection properties. Background technique [0002] The aqueous material refers to a material that is water-diluent and dissolves the medium in water or dispersed in water. Water-based materials, especially aqueous coatings, due to the advantages of VOC (volatile organic compound), non-toxic environmental protection, non-burning, etc., as people's environmental awareness is getting higher and higher, more and more popular. The country also pays attention to environmental issues, and the control of solvent type materials is getting strict. Therefore, the aqueous use of materials and the application in aqueous products are increasingly needed, and it is increasinglycoming a development direction in the field of material. Silicone is the main chain of Si-O-Si, and the side chain is organic. The group's poly...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D183/04C09D171/02C09D7/65C09D7/61
CPCC09D183/04C09D7/65C09D7/61C08L71/02C08L31/04C08L97/02C08K3/16C08K3/24
Inventor 韩祝平段斌嘉
Owner 韩祝平
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