DEPENDENCE OF INTRINSIC BIREFRINGENCE OF POLY(ETHYLENE TEREPHTHALATE) ON SAMPLE MORPHOLOGY.
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作者:
Gupta, V.B.
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Indian Inst of Technology, New Delhi, India, Indian Inst of Technology, New Delhi, IndiaIndian Inst of Technology, New Delhi, India, Indian Inst of Technology, New Delhi, India
Gupta, V.B.
[1
]
Ramesh, C.
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Indian Inst of Technology, New Delhi, India, Indian Inst of Technology, New Delhi, IndiaIndian Inst of Technology, New Delhi, India, Indian Inst of Technology, New Delhi, India
Ramesh, C.
[1
]
机构:
[1] Indian Inst of Technology, New Delhi, India, Indian Inst of Technology, New Delhi, India
The wide range of values of intrinsic birefringence of the crystalline and amorphous phases of poly(ethylene terephthalate) reported in the literature are examined and it is suggested that if the perfection of these phases is taken into account, it is possible that constant values for intrinsic birefringence may be obtained.