发明名称 |
PROCESS FOR PREPARING ORGANO(POLY)SILOXANES |
摘要 |
A process for preparing organo(poly)siloxanes of the formula R1R2Si(OSiR2)m(OSiR2)nOH which comprises reacting a hexaorganocyclotrisiloxane of the formula (R2SiO)3 with a sil(ox)anol of the formula R1R2Si(OSiR2)mOH in the presence of a catalyst which contains fluoride ions, in which R is the same or different and represents a monovalent, optionally substituted hydrocarbon radical, R1 represents a hydrogen atom or a monovalent, optionally substituted hydrocarbon radical, m is 0 or an integer of at least 1 and n is an integer of at least 3. An alkali metal fluoride or an alkali metal fluoride bonded to a support material is preferably used as the catalyst in the process of this invention.
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申请公布号 |
US5223595(A) |
申请公布日期 |
1993.06.29 |
申请号 |
US19920872387 |
申请日期 |
1992.04.23 |
申请人 |
WACKER-CHEMIE GMBH |
发明人 |
STEPP, MICHAEL;MUELLER, JOHANN;SCHOEFBERGER, SILVIA |
分类号 |
C08G77/06;C08G77/08;C08G77/16;C08G77/20;C08G77/22 |
主分类号 |
C08G77/06 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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