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Effect of grinding on the crystallinity and chemical stability in the solid state of cephalothin sodium

โœ Scribed by Makoto, Otsuka; Nobuyoshi, Kaneniwa


Book ID
120023181
Publisher
Elsevier Science
Year
1990
Tongue
English
Weight
689 KB
Volume
62
Category
Article
ISSN
0378-5173

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The effect of prepolymer crystallinity on the solid-state polymerization (SSP) of poly(bisphenol A carbonate) was examined using nitrogen as a sweep fluid. A low-molecular-weight prepolymer was synthesized by melt transesterification and prepolymers with different crystallinities (11.7%, 23.3%, 33.7