Process for the preparation of polyoxyalkylene block polyethers having enhanced properties
US4764567A · kind A · utility
33Cited by
1References
19Claims
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Key dates
| Filing date | Nov 20, 1986 |
| Grant date | Aug 16, 1988 |
| Priority date | — |
| Expiry date | Nov 20, 2006 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08G65/2648
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Polyoxyalkylene block polyether polyols having enhanced physical properties are prepared by catalyzing the ethylene oxide addition with cesium hydroxide or mixtures of cesium hydroxide with other basic catalysts. These polyethers are especially useful in surface active applications.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.