Direct synthesis of aromatic polyamides using the imidazole-triphenylphosphite system
Polymer, ISSN: 0032-3861, Vol: 33, Issue: 19, Page: 4197-4198
1992
- 2Citations
- 2Captures
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Article Description
The possibility of using imidazole as a catalytic component in the direct synthesis of poly( p -phenyleneterephthalamide) and poly( p -benzamide) by phosphorylation with triphenylphosphite was investigated. In the presence of imidazole it was possible to perform the whole synthesis in a homogeneous solution, thus avoiding the formation of a precipitate or a swollen gel, as usually described in literature, particularly for poly( p -phenyleneterephthalamide). Higher molecular weights were obtained in our systems, as compared to typical values from the direct synthesis method.
Bibliographic Details
http://www.sciencedirect.com/science/article/pii/0032386192906279; http://dx.doi.org/10.1016/0032-3861(92)90627-9; http://www.scopus.com/inward/record.url?partnerID=HzOxMe3b&scp=0039871834&origin=inward; https://linkinghub.elsevier.com/retrieve/pii/0032386192906279; https://api.elsevier.com/content/article/PII:0032386192906279?httpAccept=text/xml; https://api.elsevier.com/content/article/PII:0032386192906279?httpAccept=text/plain; http://dx.doi.org/10.1016/0032-3861%2892%2990627-9; https://dx.doi.org/10.1016/0032-3861%2892%2990627-9
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