Synthesis, Shape‐Memory Functionality and Hydrolytical Degradation Studies on Polymer Networks from Poly( rac ‐lactide)‐ b ‐poly(propylene oxide)‐ b ‐poly( rac ‐lactide) dimethacrylates | Zendy

Choi N.Y. | Zendy; Kelch S. | Zendy; Lendlein A. | Zendy

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Synthesis, Shape‐Memory Functionality and Hydrolytical Degradation Studies on Polymer Networks from Poly( rac ‐lactide)‐ b ‐poly(propylene oxide)‐ b ‐poly( rac ‐lactide) dimethacrylates

Author(s) -

Choi N.Y.,

Kelch S.,

Lendlein A.

Publication year - 2006

Publication title -

advanced engineering materials

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.938

H-Index - 114

eISSN - 1527-2648

pISSN - 1438-1656

DOI - 10.1002/adem.200600020

Subject(s) - materials science , propylene oxide , amorphous solid , polymer , lactide , copolymer , polymerization , composite material , shape memory polymer , ultimate tensile strength , oxide , ethylene oxide , biodegradable polymer , chemical engineering , organic chemistry , engineering , metallurgy , chemistry

Amorphous, hydrolytically degradable, multi‐phase block copolymer networks were obtained by photocrosslinking. The macrodimethacrylate precursors were prepared by ring‐opening polymerisation (ROP). The aim of this investigation to tailor the materials' elasticity in the temporary shape could be achieved. Stress‐controlled, cyclic thermomechanical tensile experiments showed the materials' excellent shape‐memory properties with strain recovery rates up to 99 %. The presented amorphous, biodegradable polymer network system with shape‐memory presents a new generation of multi‐functional biomaterials enabling applications in keyhole surgery or controlled drug release.

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