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Updated: Sep 11, 2025

Self-assembling Morphologies Obtained from Helical Polycarbodiimide Copolymers and Their Triazole Derivatives
Published on: February 7, 2017
Zero-zero-birefringence polymer using N-substituted maleimide and styrene
Abstract:
The orientational and photoelastic birefringence of alternating copolymers has not been studied in detail. In this study, N-substituted maleimide (RMI) and styrene (St) as alternating copolymers were investigated, and their birefringence, refractive index, and glass transition temperature (T g) of the alternating copolymers were analyzed. It was found that the photoelastic coefficient and T g exhibited a nonlinear relationship with the composition ratio of RMI and St. A zero-zero-birefringence polymer exhibiting no birefringence was obtained by using N-ethylmaleimide and St and adjusting the composition ratio. This polymer exhibited high T g and low haze.
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