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Water-soluble organic silicon coating

A silicone coating, water-soluble technology, used in fire-resistant coatings, coatings, etc., can solve problems such as poor thermal hardness and other physical properties, and achieve high wear resistance, good thermal hardness, and good hardness.

Active Publication Date: 2016-10-26
FOSHAN POLIMA ADVANCED TECH & SUPPLIES CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The water-based paint prepared by the invention has a good decorative effect, but the thermal hardness and other physical properties are relatively poor

Method used

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Experimental program
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Effect test

Embodiment 1

[0045] Preparation of water-based silicone resin: Add 20g of trihydric alcohol, 30g of dihydric alcohol, 35g of dibasic acid and 15g of epoxy resin into the reactor, heat it to 170°C, and add 0.4g of phosphoric acid after the material is dissolved and kept for 1 hour Triphenyl ester, control the temperature at 200°C, react until the acid value is less than 8.0, add 75g of methylphenyl silicone resin intermediate, 0.5g of tetrabutyl titanate to react, the reaction temperature is 180°C, and the reaction time is 4 Hours, when the reaction acid value is lower than 8mgKOH / g, dropwise add 5g of trimellitic anhydride to carry out water-based capping, keep the reaction temperature, react for 2 hours, when the acid value is 25 ± 10mgKOH / g, the reaction is completed, and water-based silicone resin A is prepared.

[0046] Preparation of water-soluble silicone coating: 70g of water-based silicone resin A, 4g of nano-silica (a powder with a particle size of 200 nanometers) was blended for 1...

Embodiment 2

[0048] Preparation of water-based silicone resin: Add 25g of trihydric alcohol, 25g of dihydric alcohol, 40g of dibasic acid and 10g of epoxy resin into the reactor, heat it to 170°C, and add 0.3g of phosphoric acid after the material is dissolved and kept for 1 hour Triphenyl ester, control the temperature at 200°C, react until the acid value is less than 8.0, add 75g of methylphenyl silicone resin intermediate, 0.5g of tetrabutyl titanate to react, the reaction temperature is 180°C, and the reaction time is 4 Hours, when the reaction acid value is lower than 8mgKOH / g, dropwise add 5g of trimellitic anhydride to carry out water-based capping, keep the reaction temperature, react for 2 hours, when the acid value is 25 ± 10mgKOH / g, the reaction is completed, and the water-based silicone resin B is prepared.

[0049] Preparation of water-soluble silicone coating: 75g of water-based silicone resin B and 1g of nano-silica (a powder with a particle size of 200 nm) were blended at a ...

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Abstract

The invention provides a water-soluble organic silicon coating which comprises aqueous organic silicon resin, nano silicon dioxide, titanium dioxide, an additive and the balance of water, wherein the weight ratio of the aqueous organic silicon resin to the nano silicon dioxide to the titanium dioxide to the additive is (70-80):(1-5):(0.5-1):(5-20), wherein the nano silicon dioxide is powder of which the average particle size is 100-300 nanometers; the fineness of the titanium dioxide is greater than 6000 meshes; and the aqueous organic silicon resin is modified by using polyester and epoxy resin and has the acid value of 25+ / -10mgKOH / g. The prepared water-soluble organic silicon coating is relatively high in thermal hardness.

Description

technical field [0001] The invention belongs to the field of water-based paints, in particular to a water-soluble silicone paint. Background technique [0002] Silicone resin is a polyorganosiloxane with a highly cross-linked network structure, which has the dual characteristics of organic resin and inorganic materials, and has unique physical and chemical properties. Silicone resin is one of the four major organosilicon materials (organosilicon is mainly Divided into four categories: silicone oil, silicone rubber, silicone resin and silane coupling agent), it has high temperature resistance, weather resistance and chemical resistance that are difficult to achieve with general organic resins. The research work on silicone resins has progressed quite rapidly this year. The following results Has been used in industry. [0003] In recent years, due to the deterioration of the ecological environment, environmental protection has attracted more and more attention from the world....

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D187/00C09D7/12C08G81/00
CPCC08G81/00C08K3/22C08K3/36C08K13/02C08K2003/2241C08K2201/011C09D5/18C09D7/61C09D187/00C08L1/284
Inventor 曾志玲梁文波
Owner FOSHAN POLIMA ADVANCED TECH & SUPPLIES CO LTD
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