Solvent-free hydrogen-containing silicone oil and preparation method thereof

A hydrogen-containing silicon and solvent-free technology, applied in the chemical industry, can solve the problems of inconvenient control, difficult handling, high hydrogen content in hydrogen-containing silicone oil, etc., and achieve the effects of easy reaction control, stable product quality, and simple process
CN103554502AActive Publication Date: 2014-02-05LUZHOU NORTH CHEM IND
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
LUZHOU NORTH CHEM IND
Publication Date
2014-02-05

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Abstract

The invention belongs to the field of chemical engineering, and in particular relates to solvent-free hydrogen-containing silicone oil and a preparation method thereof. The solvent-free hydrogen-containing silicone oil disclosed by the invention is composed of the following components in weight ratio: 100 parts of methyldichlorosilane, 1-10 parts of blocking agent, 10-70 parts of hydrochloric acid, 1-10 parts of acid catalyst, and alkaline neutral substance. The hydrogen-containing silicone oil disclosed by the invention is prepared by comprising the following steps of: reacting by dropping hydrochloric acid into methyldichlorosilane, separating, reacting again by adding the blocking agent and the acid catalyst into oil phase, adding the alkaline neutral substance, filtering, removing boiling substances from filtrate, etc. The hydrogen-containing silicone oil prepared by the invention is better in waterproof effect and can be used for waterproof treatment.
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Description

technical field

[0001] The invention belongs to the field of chemical industry, and in particular relates to a solvent-free hydrogen-containing silicone oil and a preparation method thereof. technical background

[0002] Hydrogen-containing silicone oil is one of the most important products in silicone products. Its siloxane main chain contains active hydrogen, which has high activity and can react with many active groups. Its notable feature is good waterproof effect and low-temperature cross-linking Film forming, forming a waterproof layer on the surface of the material, can be used for waterproofing of fabrics, glass, ceramics, paper, leather, metal, and building materials industries, with excellent results.

[0003] Hydrogen-containing silicone oil is a product obtained by hydrolysis and neutralization of methyldichlorosilane. The traditional production method of hydrogen-containing silicone oil is to add methyl dichlorosilane dropwise in water, hydrolyze and deacidify ...

Claims

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