Polymers from renewable resources. II. Synthesis of polyamideimides by triphenyl‐phosphine–polyhalocompound activated polycondensation
- 1 April 1986
- journal article
- research article
- Published by Wiley in Journal of Polymer Science Part A: Polymer Chemistry
- Vol. 24 (4) , 603-612
- https://doi.org/10.1002/pola.1986.080240403
Abstract
A comparative evaluation of triphenylphosphine–polyhalocompound‐activated polycondensation of amino carboxylic acid as well as amino carboxylic acid containing an imidogroup with thionyl chloride activated polycondensation of the above two types of acids has been discussed. The role of different polyhalocompounds, acid acceptors, sequence of addition of reactants, temperature of reaction, etc. has been studied. It was observed that the molecular weight of the polyamide and polyamideimide, as evident from their inherent viscosity data, is generally higher, but the yield is lower than those obtained by thionyl chloride method. The reaction by the former method appears to be faster than the latter. The influence of various reaction conditions and possible mechanism of the polycondensation have been discussed.Keywords
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