Synthesis of highly refractive and transparent poly(arylene sulfide sulfone) based on 4,6-dichloropyrimidine and 3,6-dichloropyridazine

A highly refractive and transparent poly(arylene sulfide sulfone) (PASS) containing pyrimidine (or pyridazine) unit has been developed. The polymer was prepared by a polycondensation reaction of 4,4′-dimercaptodiphenyl sulfone (DMDPS) and 4,6-dichloropyrimidine (DCPM) (or 3,6-dichloropyridazine (DCP...

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Bibliographic Details
Published in:Polymer (Guilford) 2013-01, Vol.54 (2), p.601-606
Main Authors: Zhang, Gang, Ren, Hao-hao, Li, Dong-sheng, Long, Sheng-ru, Yang, Jie
Format: Article
Language:English
Subjects:
Applied sciences
Exact sciences and technology
glass transition temperature
Heterocycle
Optical property
Organic polymers
Physicochemistry of polymers
polymers
Polymers with particular properties
Preparation, kinetics, thermodynamics, mechanism and catalysts
refractive index
Synthesis
transmittance
weight loss
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Summary:A highly refractive and transparent poly(arylene sulfide sulfone) (PASS) containing pyrimidine (or pyridazine) unit has been developed. The polymer was prepared by a polycondensation reaction of 4,4′-dimercaptodiphenyl sulfone (DMDPS) and 4,6-dichloropyrimidine (DCPM) (or 3,6-dichloropyridazine (DCPD)). They showed good thermal stabilities such as a relatively high glass transition temperature of 193–202 °C and a 5% weight loss temperature (T5%) of 370–372 °C. The optical transmittance of the polymer at 450 nm is higher than 81%. The heterocycles unit and plural –S– linkages provides the polymer with a high refractive index of 1.737–1.743 at 633 nm and a low birefringence of 0.003–0.004. [Display omitted]
ISSN:0032-3861
1873-2291
DOI:10.1016/j.polymer.2012.12.008