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Fiaz Hussain,정재민,박상원,강수정,Waheed Qamar Khan,김진환 한국공업화학회 2021 Journal of Industrial and Engineering Chemistry Vol.100 No.-
The synthesis and characterization of two series of biobased novel poly(1,4-cyclohexylenedimethyleneterephthalate-co-1,4-cyclohexylene dimethylene 2,6-naphthalenedicarboxylate) copolyesters containingisosorbide (ISB) content (PCITN) ranging from 0 to 11 mol% relative to the total diol amount wascarried out in this study. The Novel PCITN was containing 2,6-naphthalenedicarboxylic acid (NDA)content ranging from 0 to 100 mol% relative to the total diacid amount. The synthesized PCITN werethoroughly characterized for their actual chemical composition, molecular weight, thermal properties,thermal stability, dimensional stability, transmittance (%), and birefringence. All the copolyesters showedthe characteristics of random copolyesters and their composition and thermal properties could becontrolled by the molar feed ratio of diol and diacid moieties. Results indicate that ISB significantlyimproves the glass transition temperature (Tg) of resultant copolyesters. It was also found thatsynthesized copolyesters have a high Tg and wide processing window compared to conventionalhomopolyesters. Exceptional performance properties: such as high Tg, Tm, high thermal stability,dimensional stability, good moisture barrier, good transmittance, and low birefringence of fabricatedPCI6TN70 film, make it suitable for versatile industrial applications especially for biomedical, packaging,and optical applications.