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Copolymerization of methyl methacrylate and a novel allyl monomer

✍ Scribed by Alok Kumar Tyagi; Veena Choudhary; I.K. Varma

Publisher
Elsevier Science
Year
1992
Tongue
English
Weight
236 KB
Volume
28
Category
Article
ISSN
0014-3057

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✦ Synopsis

A novel monomer (TEP) having pendant carbamate groups was prepared by reacting equimolar quantities of 4-allyl-2-methoxyphenyl and phenol with tolylene diisocyanate (2,4-and 2,6-isomers). TEP was copolymerized with methyl methacrylate (MMA) in tetrahydrofuran solution at 65 Β° using benzoyl peroxide as initiator. Copolymer compositions were determined by elemental analysis. The monomer reactivity ratios were found to be 1.45 __+ 0.05 (MMA) and 1.0 __+ 0.1 (TEP). A random copolymerization of MMA with an allyl monomer has so far not been reported. A two step decomposition was observed for all polymer samples in nitrogen.

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