Title:
POLYDIORGANOSILOXANE PREPARATION
Document Type and Number:
WIPO Patent Application WO/2021/119972
Kind Code:
A1
Abstract:
A process for end capping and chain extending silanol terminated polydiorganosiloxanes with a mixture of one or more alkylacetoxydialkoxysilanes and one or more alkyldiacetoxyalkoxysilanes. The resulting capped polymeric material may be utilised as a polymer in e.g. a one-part alkoxy sealant composition such as, for example, an alkoxy low modulus clean (non-staining) or clear sealant composition.
Inventors:
WANG XIUYAN (CN)
GUO YI (CN)
PENG JIANG (CN)
ZENG ZHIPING (CN)
HU QIANG (CN)
GUO YI (CN)
PENG JIANG (CN)
ZENG ZHIPING (CN)
HU QIANG (CN)
Application Number:
PCT/CN2019/125816
Publication Date:
June 24, 2021
Filing Date:
December 17, 2019
Export Citation:
Assignee:
DOW SILICONES CORP (US)
WANG XIUYAN (CN)
GUO YI (CN)
PENG JIANG (CN)
ZENG ZHIPING (CN)
HU QIANG (CN)
WANG XIUYAN (CN)
GUO YI (CN)
PENG JIANG (CN)
ZENG ZHIPING (CN)
HU QIANG (CN)
International Classes:
C08G77/00; C08G77/04; C08G77/06; C09J183/04
Domestic Patent References:
| WO2013130574A1 | 2013-09-06 |
Foreign References:
| US20140235812A1 | 2014-08-21 | |||
| CN1654584A | 2005-08-17 |
Attorney, Agent or Firm:
SHANGHAI PATENT & TRADEMARK LAW OFFICE, LLC (CN)
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