Miscibility of poly(4-vinyl pyridine) with polysulfone and carboxylated polysulfone

descriptionPublicationkeyboard_double_arrow_right Article 01 Nov 1992 Singapore English Publisher:Springer Science and Business Media LLCJournal:Polymer Bulletin, volume 29, pages 521-525 (issn: 0170-0839, eissn: 1436-2449,

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Authors: Goh, S.H.; Lau, W.W.Y.; Lee, C.S.;

doi: 10.1007/bf00296713

Miscibility of poly(4-vinyl pyridine) with polysulfone and carboxylated polysulfone

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Abstract

The miscibility of poly(4-vinyl pyridine) (P4Py) with polysulfone (PSf) and four carboxylated polysulfone samples (CPSf) was studied by differential scanning calorimetry. P4Py is immiscible with PSf but is miscible with CPSf having degrees of carboxylation of 0.43, 0.93, 1.38 and 1.93. In some cases, P4Py and CPSf form complexes with varying stoichiometries. A high degree of carboxylation of CPSf and a high CPSf content in the feed favor complexation.

Country

Singapore

Related Organizations

National University of Singapore
Singapore
National University of Singapore Libraries
Singapore

Keywords

610, 540

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