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Miscibility of poly(chloromethyl methacrylate) with bisphenol-A polycarbonate

✍ Scribed by S. H. Goh; S. Y. Lee; M. K. Neo

Publisher
John Wiley and Sons
Year
1990
Tongue
English
Weight
197 KB
Volume
40
Category
Article
ISSN
0021-8995

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✦ Synopsis

Abstract

Poly(methyl methacrylate) (PMMA) and bisphenol‐A polycarbonate (PC) are important commerical polymers. PMMA/PC blends were once considered as immiscible blends.^1–3^ However, recent studies have shown that the miscibility of PMMA/PC blends depends on the method of preparation.^4–8^ Chiou and co‐workers^4^ reported that PMMA/PC blends prepared by solution casting and melt mixing were immiscible while blends prepared by precipitation from solution using n‐heptane as nonsolvent were miscible over the whole composition range. Kyu and Salhanda^5^ reported that PMMA/PC blends cast from tetrahydrofuran (THF) at room temperature were immiscible but those cast from THF at temperatures above 47Β°C were miscible. In this communication, we report the miscibility of poly(chloromethyl methacrylate) (PCMMA) with PC. It will be shown that the miscibility behavior of PCMMA/PC blends is similar to that of PMMA/PC blends.

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