Alkyl ether substituted cyclotrisiloxanes and preparation method thereof
US10669294B2 · kind B2 · utility
1Cited by
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19Claims
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Key dates
| Filing date | Apr 4, 2019 |
| Grant date | Jun 2, 2020 |
| Priority date | — |
| Expiry date | Apr 4, 2039 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08K5/56
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A new class of cyclotrisiloxanes having alkyl ether substituents on one, two, or three of the ring silicon atoms and a method for their preparation are provided. These compounds undergo living anionic ring-opening polymerization to generate unique polymer structures. A new class of hydridosilylethylcyclotrisiloxanes is also described.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.