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http://dx.doi.org/10.7317/pk.2015.39.2.287

Microstructure and Thermal Characteristics of Bio-based Terpolymer Made from Terephthalic Acid with Ethylene Glycol, 1,4-Cyclohexane Dimethanol, and Isosorbide

Lee, Sangmook (Division of Chemical Engineering, Dankook University)
Kim, Sungki (SK Chemicals R&D Center)
Hong, In-Kwon (Division of Chemical Engineering, Dankook University)

Publication Information

Polymer(Korea) / v.39, no.2, 2015 , pp. 287-292 More about this Journal

Abstract

Characterization of a series of bio-based terpolymers containing various amounts of ethylene glycol, 1,4-cyclohexylene dimethanol, and isosorbide units were studied by $^1H$ NMR and $^{13}C$ NMR. The NMR results revealed that they had all random microstructures and that their sequence distribution was affected by the content of isosorbide. From DSC data for the terpolymer series investigated, it was observed that the glass transition temperature increased mainly as the content of isosorbide increased. The glass transition temperatures of terpolymers were estimated from the composition by extended Fox equation.

Keywords

NMR; terpolymer; isosorbide; sequence; randomness;

Citations & Related Records

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