Colorado State University Research Foundation

University of Colorado

Tammy Haut Donahue

Travis S Bailey

Jackson T Lewis

Chen Guo

Kristine Fischenich

Richard Daniel Noble

Douglas L Gin

Matthew G Cowan

Dilanji Wijayasekara

Provided herein is a soft tissue mimetic formed from a block copolymer hydrogel and methods of making such. The hydrogel comprises a glass formed from a dry blend of polystyrene-poly(ethylene oxide) diblock copolymer (SO) and polystyrene-poly(ethylene oxide)-polystyrene triblock copolymer (SOS) in a molar ratio from between 95:5 and 1:99 SO/SOS and a liquid medium at a concentration between about 32:1 and about 2:1 liquid medium/SO-SOS by weight. The soft tissue mimetic has a fatigue resistance to at least 500,000 compression cycles.

Soft tissue mimetics and thermoplastic elastomer hydrogels

Provided herein is a block copolymer hydrogel, comprising a glass formed from a dry blend of polystyrene-poly(ethylene oxide) diblock copolymer (SO) and polystyrene-poly(ethylene oxide)-polystyrene triblock copolymer (SOS) in a molar ratio from between 95:5 and 1:99 SO/SOS and a liquid medium at a concentration between about 32:1 and about 2:1 liquid medium/SO&#x2014;SOS by weight. The block copolymer hydrogel has a fatigue resistance to at least 500,000 compression cycles. Also provided are methods for forming the hydrogel.

Thermoplastic elastomer hydrogels

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Fort Collins, CO, United States of America

Tammy Haut Donahue