SECONDARY CRYSTALLIZATION OF PPTA FIBER IN THE THERMO-TREATMENT PROCESS
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Research Article|更新时间:2021-03-19
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SECONDARY CRYSTALLIZATION OF PPTA FIBER IN THE THERMO-TREATMENT PROCESS
Acta Polymerica SinicaIssue 1, Pages: 64-70(1991)
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Published:20 February 1991,
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BI Dong-dong, PAN Zhi-cun, LIU De-shan, ZHOU Qi-yang. SECONDARY CRYSTALLIZATION OF PPTA FIBER IN THE THERMO-TREATMENT PROCESS. [J]. Acta Polymerica Sinica (1):64-70(1991)
DOI:
BI Dong-dong, PAN Zhi-cun, LIU De-shan, ZHOU Qi-yang. SECONDARY CRYSTALLIZATION OF PPTA FIBER IN THE THERMO-TREATMENT PROCESS. [J]. Acta Polymerica Sinica (1):64-70(1991)DOI:
SECONDARY CRYSTALLIZATION OF PPTA FIBER IN THE THERMO-TREATMENT PROCESS
A systematic investigation on thermo-treatment mechanism of PPTA fiber was carried out by X-ray diffraction
TEM
FTIR
PPM
DSC
ect.
which resulted in confirmation of secondary crystallization of PPTA fiber in the thermo-treatment process. It is found that elastic modulus of the fiber is mainly affected by the increasment of crystallinity due to the secondry crystallization
and the thermo-treatment temperature has great influences on the secondary crystallization.