Shape-memory polymers and methods of making and use thereof
US10377852B2 · kind B2 · utility
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18Claims
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Key dates
| Filing date | Feb 19, 2016 |
| Grant date | Aug 13, 2019 |
| Priority date | — |
| Expiry date | May 28, 2036 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08G2250/00
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Described are shape-memory polymers that have a branched or telechelic prepolymer having a low polydispersity crosslinked with a stoichiometric amount of a multifunctional crosslinker. Also described are methods of making shape-memory polymers by crosslinking a stoichiometric amount of a multifunctional crosslinker with a branched or telechelic prepolymer having a low polydispersity. Methods of measuring the energy storage capacity of a shape-memory polymer are also disclosed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.