Acyloxy endblocked polyethers having improved hydrolytic stability
US5194452A · kind A · utility
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2References
4Claims
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Assignee
Inventor
Key dates
| Filing date | May 26, 1992 |
| Grant date | Mar 16, 1993 |
| Priority date | — |
| Expiry date | May 26, 2012 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08G65/329
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
The invention disclosed herein deals with acyloxy endblocked polyethers having improved hydrolytic stability. This invention also deals with polysiloxane-polyoxyalkylene copolymers having improved hydrolytic stability and, with compositions which include the polysiloxane-polyoxyalkylene copolymers in the presence of water, and to methods for use of the polysiloxane-polyoxyalkylene copolymers to prepare polyurethane foams.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.