Methods of making reversible crosslinked polymers and related methods
US8895667B2 · kind B2 · utility
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9Claims
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Key dates
| Filing date | Jul 17, 2009 |
| Grant date | Nov 25, 2014 |
| Priority date | — |
| Expiry date | Dec 2, 2030 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08L33/06
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Methods are provided for making reversible crosslinked polymers. Exemplary methods comprise reacting first and second thermoplastic polymers having non-hindered olefins in the presence of a metathesis catalyst under conditions sufficient to form a crosslinked polymer. In certain embodiments, the methods comprise providing a crosslink promoting additive to improve the strength of the crosslinked polymer. In some embodiments, the methods comprise decrosslinking a crosslinked polymer through a metathesis or an ozonolysis reaction.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.