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標題: The influence of bamboo fiber content on the non-isothermal crystallization kinetics of bamboo fiber-reinforced polypropylene composites (BPCs)
作者: Chin-Yin Hsu
Teng-Chun Yang
Tung-Lin Wu
Ke-Chang Hung
Jyh-Horng Wu
關鍵字: bamboo fiber;bamboo fiber/PP composite (BPC);cooling rate;crystallization kinetics;non-isothermal crystallization;polypropylene (PP)
出版社: Holzforschung
Project: Holzforschung 2018, Vol. 72, Issue 4, Pages 329-336
Bamboo fiber (BF)-reinforced polypropylene
(PP) composites (BPCs) have been investigated and it was
shown by differential scanning calorimetry (DSC) that BF
is a nucleation agent and accelerates the crystallization
rate of the PP matrix. Numerical analyses according to
Avrami, Avrami-Ozawa, and Friedman described well the
nucleation mechanism, the crystallization rate and the
activation energy for the non-isothermal crystallization
behavior of BPCs, respectively. The Avrami approach indicated that BF as a reinforcement significantly changed the
crystal growth mechanism of PP matrix during the cooling process. Based on the Avrami-Ozawa method, a lower
cooling rate can achieve a certain relative crystallinity
degree within a time period. According to the Friedman
method, the activation energies of BPCs were lower than
that of neat PP below a relative crystallinity of 35%, when
the BF content was more than 60%.
DOI: 10.1515/hf-2017-0046
Appears in Collections:森林學系

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