Phototunable thermoplastic elastomer hydrogel networks
US10125228B2 · kind B2 · utility
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Key dates
| Filing date | Jun 2, 2017 |
| Grant date | Nov 13, 2018 |
| Priority date | — |
| Expiry date | Jun 2, 2037 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08J2387/00
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Provided herein is a thermoplastic elastomer hydrogel and methods of making such. The hydrogel comprises a glass formed from poly(styrene)-b-poly(ethylene oxide) in which the coronal chain end has been functionalized with photodimerizable groups (AB-photo) and a liquid medium at a concentration between about 32:1 and about 2:1 liquid medium/AB-photo by weight. The hydrogel has a fatigue resistance to at least 500,000 compression cycles.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.