http://reply.papertrans.cn/2/189/18851/18851-31.png
http://reply.papertrans.cn/2/189/18851/18851-32.png
http://reply.papertrans.cn/2/189/18851/18851-33.png
Submitted on: 09 August 2019.
Revised on: 18 September 2019.
Accepted on: 06 October 2019.
___________________JOURNAL OF POLYMER SCIENCE---WILEY
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Submitted on: 18 July 1999.
Revised on: 06 October 1999.
Accepted on: 21 October 1999.
___________________JOURNAL OF POLYMER SCIENCE---WILEY