AMORPHOUS POLY(ETHYLENE TEREPHTHALATE) FILMS IN THE STATE OF HIGH GLOBAL CHAIN ORIENTATION BUT NEARLY RANDOM SEGMENTAL ORIENTATION

QIAN Renyuan; FAN Qingrong; GUAN Jiayu; Chung Long Choy; Shigeyoshi Osaki

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AMORPHOUS POLY(ETHYLENE TEREPHTHALATE) FILMS IN THE STATE OF HIGH GLOBAL CHAIN ORIENTATION BUT NEARLY RANDOM SEGMENTAL ORIENTATION

Papers | Updated：2021-06-21

- AMORPHOUS POLY(ETHYLENE TEREPHTHALATE) FILMS IN THE STATE OF HIGH GLOBAL CHAIN ORIENTATION BUT NEARLY RANDOM SEGMENTAL ORIENTATION
- Vol. 15, Issue 3, Pages: 199-204(1997)
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- Published：20 September 1997
- Accepted：
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QIAN Renyuan, FAN Qingrong, GUAN Jiayu, et al. AMORPHOUS POLY(ETHYLENE TEREPHTHALATE) FILMS IN THE STATE OF HIGH GLOBAL CHAIN ORIENTATION BUT NEARLY RANDOM SEGMENTAL ORIENTATION[J]. 1997, 15(3): 199-204.
DOI：

QIAN Renyuan, FAN Qingrong, GUAN Jiayu, et al. AMORPHOUS POLY(ETHYLENE TEREPHTHALATE) FILMS IN THE STATE OF HIGH GLOBAL CHAIN ORIENTATION BUT NEARLY RANDOM SEGMENTAL ORIENTATION[J]. 1997, 15(3): 199-204. DOI：

摘要

The isotropy or anisotropy in some physical properties of the ammorphous poly(ethyleneterephthalate) films uniaxially drawn at temperatures above its Tg and then quenched toroom temperature have been studied. Experimental results here presented show that thisamorphous state of high global chain orientation but nearly random segmental orientation

the GOLR state

is nearly isotropic in refractive indices and Young's modulus for smalldeformation

while it is very probably anisotropic in thermal conduction and microwave dielectric properties.

Abstract

the GOLR state

is nearly isotropic in refractive indices and Young's modulus for smalldeformation

while it is very probably anisotropic in thermal conduction and microwave dielectric properties.

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