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Effect of Co-monomer on the Physical Properties of Poly(ethylene naphthalate) Copolymer  

Kim, Jae-Hyun (Center for Photofunctional Energy Materials, Department of Polymer Science and Engineering, Dankook University)
Heo, Hye-Young (SKC Central R&D Center)
Jung, Tae-Houng (SKC Central R&D Center)
Han, Joon-Hee (SKC Central R&D Center)
Kang, Ho-Jong (Center for Photofunctional Energy Materials, Department of Polymer Science and Engineering, Dankook University)
Publication Information
Polymer(Korea) / v.35, no.2, 2011 , pp. 146-151 More about this Journal
Abstract
The physical properties of poly (ethylene 2,6-naphthalate) (PEN) copolymers were studied. PEN copolymers were synthesized successfully from the mixtures of ethylene glycol(EG), 1,3-propanediol (PD) and l,4-butanediol (BD) with 2,6-dimethyl naphthalene dicarboxylate. The results indicated that PEN copolymers showed an amorphous state when the content of BD(PD) in applied EG/BD(EG/PD) mixtures was less than 40% during the polycondensation. As a result, the lowering of thermal properties, orientation, and mechanical properties was found, however, the dimensional stability was improved. This is a promising result to apply the synthesized PEN copolymers as flexibles substrates.
Keywords
poly(ethylene naphthalate)/poly(propylene naphthalate) copolymer; poly(ethylene naphthalate)/poly (butylene naphthalate) copolymer; flexible substrate; coefficient of thermal expansion;
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Times Cited By KSCI : 3  (Citation Analysis)
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