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Interpolymer association between random and graft acrylic copolymers with poly(ethylene imine): effects of copolymer structure

✍ Scribed by S.K. Chatterjee; Neeti Misra

Book ID: 104164550
Publisher: Elsevier Science
Year: 1997
Tongue: English
Weight: 548 KB
Volume: 38
Category: Article
ISSN: 0032-3861
DOI: 10.1016/s0032-3861(96)00850-6

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✦ Synopsis

Interpolymer complex formation has been studied between acrylamide-vinyl alcohol graft copolymer, methacrylic acid-acrylamide random copolymer and polyethylene imine. Some blends of binary homopolymer complexes having the same proportion of interacting units as in copolymer complex have also been prepared. Stability constant, degree of linkage and related thermodynamic parameters (e.g. AG °, AH ° and AS °) have been compared for the two complexation systems using Osada's methods. The comparative study indicated considerable difference in the values of these parameters, which has been explained on the basis of copolymer structure.

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