Compositions for stabilizing metal-free ring-opening metathesis polymerization and related methods
US12195581B2 · kind B2 · utility
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11Claims
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Key dates
| Filing date | Jun 28, 2022 |
| Grant date | Jan 14, 2025 |
| Priority date | — |
| Expiry date | Mar 9, 2043 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08G2261/76
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A reactant composition for forming a polymer via metal-free ring-opening metathesis polymerization may comprise a stabilizer, a stabilizing reactant comprising a stabilizing moiety covalently bound to a reactant moiety, or both; wherein the stabilizer is a halogenated alcohol and the stabilizing moiety is derived from a halogenated alcohol. The reactant composition further comprises a strained cyclic unsaturated monomer; an initiator; a mediator; and optionally, one or more of a co-monomer, a crosslinker, and a chain transfer agent.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.