Invention Grant
- Patent Title: Process for preparing diorganopolysiloxanes
- Patent Title (中): 制备二有机聚硅氧烷的方法
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Application No.: US11914480Application Date: 2006-05-11
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Publication No.: US07683198B2Publication Date: 2010-03-23
- Inventor: Oliver Schaefer , Sandra Bachmaier
- Applicant: Oliver Schaefer , Sandra Bachmaier
- Applicant Address: DE Munich
- Assignee: Wacker Chemie AG
- Current Assignee: Wacker Chemie AG
- Current Assignee Address: DE Munich
- Agency: Brooks Kushman P.C.
- Priority: DE102005022856 20050518
- International Application: PCT/EP2006/004449 WO 20060511
- International Announcement: WO2006/122704 WO 20061123
- Main IPC: C07F7/04
- IPC: C07F7/04
Abstract:
Mono-hydroxyl-functional organopolysiloxanes are prepared with minimal byproducts and increased storage stability by reaction of cyclotrisiloxanes with sil(ox)anols containing less than 1 weight percent water in the presence of heterogenous alkali metal or alkaline earth metal oxide or carbonate catalysts.
Public/Granted literature
- US20080167487A1 Process for Preparing Diorganopolysiloxanes Public/Granted day:2008-07-10
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