Improvement of the mechanical properties of poly( D , L ‐lactide) by orientation | Zendy

Grijpma Dirk W | Zendy; Altpeter Hanno | Zendy; Bevis Michael J | Zendy; Feijen Jan | Zendy

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Improvement of the mechanical properties of poly( D , L ‐lactide) by orientation

Author(s) -

Grijpma Dirk W,

Altpeter Hanno,

Bevis Michael J,

Feijen Jan

Publication year - 2002

Publication title -

polymer international

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.592

H-Index - 105

eISSN - 1097-0126

pISSN - 0959-8103

DOI - 10.1002/pi.988

Subject(s) - glass transition , materials science , lactide , amorphous solid , polymer , ultimate tensile strength , injection moulding , composite material , shear (geology) , chemical engineering , polymer chemistry , copolymer , chemistry , organic chemistry , engineering

Oriented, amorphous poly( D , L ‐lactide) was obtained by drawing injection moulded specimens at temperatures below the glass transition temperature of the polymer and by a non‐conventional injection moulding process in which the melt is cooled under oscillating shear conditions (SCORIM). In both cases effective molecular orientation is achieved, allowing the preparation of degradable devices with much improved tensile properties and impact behaviour when compared to the non‐oriented material. © 2002 Society of Chemical Industry

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