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What is the softening point range of PVC?(a) 150-200 °C(b) 20-100 °C(c) 80-140 °C(d) 140-200 °CThe question was posed to me by my school teacher while I was bunking the class.My query is from Ethenic Polymers topic in division Polymerization Industries of Chemical Technology

Answer»

Right choice is (C) 80-140 °C

Explanation: PVC has a softening point ranging from 80 °C-140 °C INCREASING with the degree of after chlorination. After 140°C it decomposes LIBERATING HCL.



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