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Biodegradable Tablets Having a Matrix of Low Molecular Weight poly-L-Lactic Acid and poly-D,L-Lactic Acid

✍ Scribed by F. Moll; G. Köller


Publisher
John Wiley and Sons
Year
1990
Tongue
English
Weight
188 KB
Volume
323
Category
Article
ISSN
0365-6233

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Methylenediphenyl diisocyanate (MDI) was used as the chain extender for low molecular weight poly(lactic acid) (PLA) to produce high molecular weight biodegradable polymer material with a better heat resistance. PLA prepolymer with a number-average molecular weight (M n ) of 5800 and a weight-averag