학술논문
PREPARATION AND PROPERTIES OF HIGH STRENGTH SHEETS FROM L- AND D,L-LACTIDE COPOLYMER.
Document Type
Article
Author
Source
Subject
*COPOLYMERS
*POLYMERIZATION
*BIOMEDICAL materials
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Language
ISSN
0091-4037
Abstract
The solution-precipitated L- and D,L-lactide copolymer (L:D, L=9:1) [P(L-DL)LA] showed a glass transition at 61.9°C, a melting peak at 153°C, and a crystallinity of 29.2%. After the extrusion and self-reinforcement, high strength sheets were achieved, with the maximum tensile strength and elastic modulus equal to 359 MPa and 7.0 GPa, respectively. It was found that self-reinforced P(L-DL)LA [SR-P(L-DL)LA] was strong enough in terms of tensile properties compared with self-reinforced poly(L-lactide) (SR-PLLA). [ABSTRACT FROM AUTHOR]