82985-35-1Relevant articles and documents
THE PROCESS FOR THE PREPARATION AND USE OF HAIR TREATMENT COMPOSITIONS CONTAINING ORGANIC C1-C6 ALKOXY SILANES
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, (2022/01/12)
The subject of the present application is a method for the preparation and use of an agent for the treatment of keratinous material, in particular human hair, comprising the following steps: (1) Mixing one or more organic C1-C6 alkoxy silanes with water,(2) optionally, partial, or complete removal from the reaction mixture of the C1-C6 alcohols liberated by the reaction in step (1),(3) if necessary, addition of one or more cosmetic ingredients,(4) Filling of the preparation into a packaging unit,(5) Storage of the preparation in the packaging unit for a period of at least about 5 days; and(6) Application of the preparation on the keratinous material.
AGENT FOR DYEING HAIR, CONTAINING AT LEAST ONE ORGANIC SILICON COMPOUND, A COLORING COMPOUND AND A FILM-FORMING, HYDROPHILIC POLYMER
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, (2021/11/26)
The subject of the present disclosure is a composition for coloring keratinous material, in particular human hair, containing in a cosmetic carrier (a) at least one organic silicon compound selected from silanes having one, two or three silicon atoms, said organic silicon compound further comprising one or more basic chemical functions and one or more hydroxyl groups or hydrolysable groups per molecule,(b) at least one colorant compound from the group of pigments and/or direct dyes, and(c) at least one film-forming hydrophilic polymer.
High-purity bis[(3-trialkoxysilyl)-propyl]amine synthesis process
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Paragraph 0028-0029, (2020/03/13)
The invention discloses a high-purity bis[(3-trialkoxysilyl)-propyl]amine synthesis process, which comprises: 1, by using chloropropyltrialkoxysilane and aminopropyltrialkoxysilane as raw materials, dropwisely adding the chloropropyltrialkoxysilane into the aminopropyltrialkoxysilane in an inert gas atmosphere, and keeping the temperature after dropwisely adding; 2, adding a dechlorinating agent into the system, stirring, and carrying out a dechlorination reaction; 3, after the dechlorination reaction is finished, cooling, and separating the precipitated salt out of the system to obtain a reaction solution; 4, introducing ammonia gas into the reaction solution, stirring, and filtering out an insoluble salt after the reaction is finished so as to obtain a reaction solution containing bis[(3-trialkoxysilyl)-propyl]amine; 5, carrying out reduced pressure distillation on the reaction solution containing the bis[(3-trialkoxysilyl)-propyl]amine to prepare the bis[(3-trialkoxysilyl)-propyl]amine finished product. According to the invention, with the method, the product yield is greatly improved, and the product purity is also greatly improved.
