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Taurine modified organic silicon and preparation method thereof

A technology of taurine and organic silicon, applied in the direction of silicon organic compounds, etc., can solve the problems of product turbidity and affecting product quality, and achieve the effects of biocompatibility, high safety, and convenient synthesis route

Pending Publication Date: 2022-07-22
广州花语精细化工有限公司
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Problems solved by technology

The carcinogen 1,4-dioxane will be produced during the addition of ethylene oxide; in the hydrosilylation reaction, as the organic silicon structure containing active hydrogen becomes more complex, the steric hindrance effect becomes more obvious, and the unreacted The raw materials will cause the product to be turbid and affect the quality of the product

Method used

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  • Taurine modified organic silicon and preparation method thereof
  • Taurine modified organic silicon and preparation method thereof

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Embodiment 1

[0028] A taurine-modified organosilicon, its structural formula is: Where m is 0, n is 1, including the following preparation steps:

[0029] (1) First, 20g of allyl glycidyl ether and chloroplatinic acid (20ppm) were added to the flask, mixed uniformly under mechanical stirring, and 35g of hydrogen-containing silicone oil was slowly added dropwise to the reaction system at a constant temperature of 60°C. After completion, the temperature was raised to 130 °C for 6 h. After the reaction, the epoxy silicone oil was evaporated under the conditions of 11 mmHg and 130 °C;

[0030] Among them, the molecular structural formula of hydrogen-containing silicone oil is: Wherein m is 0, n is 1, and the hydrogen-containing silicone oil is specifically heptamethyltrisiloxane.

[0031] (2) 0.02g of tetrabutylammonium bromide was added to 62g of sodium N-methyl taurate solution with a mass fraction of 40% and stirred evenly, 50g of epoxy silicone oil was added to the constant pressure dr...

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Abstract

The invention discloses taurine modified organic silicon and a preparation method thereof, and relates to the field of surfactants. According to the method, hydrogen-containing silicone oil, allyl glycidyl ether and N-methyl taurine are used as raw materials, and taurine modified organic silicon is synthesized in a catalyst and a solvent. According to the application, safer raw materials are selected, the taurine belongs to sulfur-containing amino acid in animal bodies, and the taurine with good hydrophilicity is connected to an organic silicon chain segment, so that the advantages of the organic silicon and the taurine are considered, and the taurine organic silicon is high in safety and biocompatibility, convenient in synthesis route and low in requirement; the problems existing in the synthetic route of the organic silicon surfactant are avoided, and the generation of 1, 4-dioxane in the synthetic route is also avoided.

Description

technical field [0001] The invention relates to the field of surfactants, in particular to a taurine-modified organosilicon and a preparation method thereof. Background technique [0002] The application fields of silicone surfactants are very wide, but the raw materials used in the synthesis process of silicone surfactants and the parameters of the synthesis process have an impact on its safety, which makes the use of silicone surfactants in personal care products. Apps are restricted. Taurine-modified organosilicon is to attach taurine with good hydrophilicity to the organosilicon segment, so that it takes into account the advantages of organosilicon and taurine. Since taurine belongs to a class of sulfur-containing amino acids in animals, its safety is high and can be used in the field of daily chemicals, making its related products widely concerned. [0003] At present, there are many taurine products on the market, most of which are hydrocarbon surfactants, which use ...

Claims

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Application Information

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IPC IPC(8): C07F7/08C08G77/392
CPCC07F7/0838C07F7/0889C08G77/392
Inventor 李金星张涌刘振华
Owner 广州花语精细化工有限公司
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