Polysiloxane coating composition

A technology of polysiloxane and composition, which is applied in the field of polyetheramine resin and coating chemical manufacturing, can solve the problems of impractical industrial anti-corrosion application, and achieve the effect of excellent interlayer adhesion and excellent anti-corrosion performance

Active Publication Date: 2009-09-09
中山大桥化工集团有限公司
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  • Abstract
  • Description
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Problems solved by technology

[0002] In order to improve the durability of the topcoat in industrial anti-corrosion coatings, the world's major coating companies have made many attempts i...

Method used

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  • Polysiloxane coating composition
  • Polysiloxane coating composition
  • Polysiloxane coating composition

Examples

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Embodiment Construction

[0075] The composition of the present invention is composed of component A and component B. Therefore, it is prepared in two parts during specific preparation, and is placed in two containers. When used, components A and B are mixed and coated. Protective film available.

[0076] 1. Preparation method:

[0077] Add 25 parts of epoxy resin, 15 parts of acrylic resin, 1 part of dispersant, 25 parts of titanium dioxide, 5 parts of talc powder, 10 parts of mica powder, 1 part of rheological additive, and 1 part of anti-settling agent into a 1000-liter reactor , 10 parts of xylene solvent, 7 parts of butyl acetate. Then stir at a high speed until the fineness is less than or equal to 30um, and pack separately to obtain the main ingredient component A.

[0078] Add 30 parts of solid agent 1 and 10 parts of solid agent 2 into a 1000-liter agitator, stir and disperse evenly, filter and package, and obtain component B.

[0079] 2. Coating method:

[0080] The composition of the prese...

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Abstract

The invention relates to a polysiloxane coating composition belonging to a coating chemical manufacturing technology. The polysiloxane coating composition is obtained by reacting hydrogenated epoxide resin and amino-functionalized siloxane and combining acrylic resin with good coating performance and weatherability and polyetheramine resin with excellent flexibility and adhesion. The invention particularly relates to a polysiloxane coating composition applied to offshore oil platforms. The polysiloxane coating composition has weather-proof, water-proof and corrosion-resistant performances, good flexibility and excellent ply adhesion. The polysiloxane coating composition comprises the following ingredients of 12-50 of epoxide resin, 10-40 of acrylic resin, 0.5-1.5 of dispersant, 20-30 of titanium pigment, 5-25 of French chalk, 5-15 of mica powder, 0.5-1.5 of rheological agent, 0.5-2 of anti-settling agent, 2-10 of dimethyl benzene, 5-10 of butyl acetate, 15-40 of curing agent 1 and 5-25 of curing agent 2 according to the weight percent.

Description

【Technical field】 [0001] The invention is a hydrogenated epoxy resin reacted with amino-functional siloxane, and combined with an acrylic resin with excellent recoating performance and weather resistance and a polyetheramine resin with excellent flexibility and adhesion, especially for marine The polysiloxane coating composition for an oil platform belongs to the coating chemical manufacturing technology. 【Background technique】 [0002] In order to improve the durability of the topcoat in industrial anti-corrosion coatings, the world's major coating companies have made many attempts in inorganic chemistry, but many polymers need to be baked to cross-link to form a film, which is in general industrial anti-corrosion applications. unrealistic. However, polysiloxane coatings have always been considered as a potential technical route for air-drying and curing into films. However, little progress was made in this area until the first patent was issued in 1981 for an interpenetr...

Claims

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Application Information

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IPC IPC(8): C09D183/04C09D163/02C09D133/02C09D7/12C09D5/08
Inventor 范国栋夏必来朱龙晖
Owner 中山大桥化工集团有限公司
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