17928-28-8Relevant articles and documents
Method for preparing methyltris(trimethylsiloxy)silane
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Paragraph 0039-0048, (2019/10/01)
The invention provides a method for preparing methyltris(trimethylsiloxy)silane. The method comprises the steps that hexamethyldisiloxane and alcohol are mixed, then oxygen-containing linear phosphazene chloride is dripped in the mixture, and stirring is
SUPER ACIDS AND BASES AS DEHYDROCONDENSATION CATALYSTS
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Paragraph 0076; 0077; 0081, (2016/12/26)
There is provided herein a composition which contains hydride-functionalized siloxane or silane, a hydroxyl-containing compound that does not contain silicon, and a catalytically-effective amount of super acid or super base catalyst selected from the group consisting of a triaza-containing compound which contains only carbon, nitrogen and hydrogen atoms, an atrane compound, a linear or branched compound containing a sulfonyl group and a fluoro group, and combinations thereof. There is also provided a process of making such a composition.
Preparation of branched siloxane
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Page/Page column 10-11, (2010/02/10)
By reacting a branched siloxane compound of formula (2) containing compounds of formula (1) as an impurity with a disiloxane compound of formula (3) in the presence of an acid compound, there is prepared a branched siloxane of formula (2) containing a reduced level of compounds of formula (1).R1?nSi(OSiR2?3)3-n(OR3)R1?nSi(OSiR2?3)4-nR2?3SiOSiR2?3 R1 is a monovalent hydrocarbon group, R2 and R3 are H or monovalent hydrocarbon groups, and n is 0 or 1.