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Microstructural analysis of p-acryloyloxy-acetanilide and N, N-dimethylacrylamide copolymers of biomedical interest by NMR

Copolymers with anti-thrombogenic properties based on N,N-dimethylacrylamide (A) and para-acryloyloxyacetanilide (B) were prepared by radical polymerization in DMF solutions at 50 degree C using 2,2'-azobisisobutyronitrile (AIBN) as initiator. The reactivity ratios of both monomers were determi...

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Published in:	Polymer (Guilford) 1999-08, Vol.40 (17), p.4953-4960
Main Authors:	BULAI, A, DE QUEIROZ, A.-A. A, GALLARDO, A, ROMAN, J. S
Format:	Article
Language:	English
Subjects:	Acrylics Applied sciences Biomedical engineering Biopolymers Chemical bonds Exact sciences and technology Free radical polymerization Microstructure Nuclear magnetic resonance spectroscopy Organic polymers Physicochemistry of polymers Polyamides Polymers with particular properties Preparation, kinetics, thermodynamics, mechanism and catalysts Structure (composition)
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description	Copolymers with anti-thrombogenic properties based on N,N-dimethylacrylamide (A) and para-acryloyloxyacetanilide (B) were prepared by radical polymerization in DMF solutions at 50 degree C using 2,2'-azobisisobutyronitrile (AIBN) as initiator. The reactivity ratios of both monomers were determined by the application of the non-linear least-squares method suggested by Tidwell and Mortimer. The obtained results (r sub(A) identical with 0.47 and r sub(B) identical with 0.63) confirm that this comonomer pair polymerizes statistically but with a moderate tendency to form alternate sequences, depending on the composition of the monomer feed.
doi_str_mv	10.1016/S0032-3861(98)00710-1
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subjects	Acrylics Applied sciences Biomedical engineering Biopolymers Chemical bonds Exact sciences and technology Free radical polymerization Microstructure Nuclear magnetic resonance spectroscopy Organic polymers Physicochemistry of polymers Polyamides Polymers with particular properties Preparation, kinetics, thermodynamics, mechanism and catalysts Structure (composition)
title	Microstructural analysis of p-acryloyloxy-acetanilide and N, N-dimethylacrylamide copolymers of biomedical interest by NMR
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