Shape Memory Elastomeric Composites and Method of Manufacturing [Shape Memory Elastomeric Composites]

Patrick Mather (Inventor), Xiaofan Luo (Inventor)

Research output: Patent

Abstract

A shape memory composite consisting of an electrospun non-woven fiber mat and an elastomeric resin matrix. The fiber mat is made from a semi-crystalline polymer, poly(ε-caprolactone) (PCL) and serves as the “switching phase” for shape fixing and recovery. The resin matrix, a crosslinked PDMS elastomer, imparts softness as well as entropic elasticity to the material. PCL is first electrospun from a chloroform/DMF solution. The resulting microfiber mat was then immersed in a two-part (base resin and crosslinking agent) mixture of Sylgard 184 with a vacuum applied to infiltrate the fiber mat with the mixture. The infiltrated fiber mat is then removed from the mixture and cured at room temperature for two days.
Original languageEnglish (US)
Patent number9,328,209
StatePublished - Jan 27 2012

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