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Thermogravimetric analysis of copoly(carbonate-thiocarbonate)S

✍ Scribed by L.H. Tagle; F.R. Diaz


Publisher
Elsevier Science
Year
1991
Tongue
English
Weight
506 KB
Volume
176
Category
Article
ISSN
0040-6031

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Polymerization by phase transfer catalys
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Copoly(carbonate-thiocarbonate)s were synthesized from bisphenol-A and mixtures of phosgene and thiophosgene under phase transfer conditions, using quaternary ammonium salts and dichloromethane as solvent at three temperatures. The copolymeric compositions were determined by i.r. spectroscopy and th