Use of [13C]-NMR spectroscopy for the estimation of composition of ethyl acrylate/n-butyl methacrylate copolymers |
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| Authors: | K.J. Ivin S. Pitchumani C. Rami Reddy S. Rajadurai |
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| Affiliation: | 1. Department of Chemistry, The Queen''s University of Belfast, Belfast BT9 5AG, Northern Ireland;2. Central Leather Research Institute, Madras 600 020, India |
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| Abstract: | Copolymers of ethyl acrylate (M1) and n-butyl methacrylate (M2) were prepared by benzoyl peroxide initiation in solution at 60° and copolymer compositions estimated by [13C]-NMR spectroscopy. The kinetic behaviour is approximately ideal with r1 = 1/r2 = 0.47. Relaxation times T1 were determined for six of the carbons in M2 units and one in the M1 units; they range from 0.07 to 1.65 sec. |
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