

FOLLOWUS
a.State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, College of Materials Science and Engineering, Donghua University, Shanghai 201620, China
b.The Key Laboratory of Advanced Textile Materials and Manufacturing Technology of Ministry of Education, College of Materials and Textile, Zhejiang Sci-Tech University, Hangzhou 310018, China
zhumf@dhu.edu.cn
Received:10 March 2018,
Revised:2018-4-10,
Accepted:10 May 2018,
Online First:11 June 2018,
Published:2018-12
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Citation: Xiang, H. X.; Zabihi, F.; Zhang, X. Z.; Zhu, M. F. The Crystallization, Melting Behaviors and Thermal Stability of Cross-linked Poly(3-hydroxybutyrate- co-3-hydroxyvalerate) by Octavinyloctasilasesquioxane. Chinese J. Polym. Sci. 2018, 36(12), 1353–1360
Heng-Xue Xiang, Fatemeh Zabihi, Xu-Zhen Zhang, et al. The Crystallization, Melting Behaviors and Thermal Stability of Cross-linked Poly(3-hydroxybutyrate-
Citation: Xiang, H. X.; Zabihi, F.; Zhang, X. Z.; Zhu, M. F. The Crystallization, Melting Behaviors and Thermal Stability of Cross-linked Poly(3-hydroxybutyrate- co-3-hydroxyvalerate) by Octavinyloctasilasesquioxane. Chinese J. Polym. Sci. 2018, 36(12), 1353–1360 DOI: 10.1007/s10118-018-2157-0.
Heng-Xue Xiang, Fatemeh Zabihi, Xu-Zhen Zhang, et al. The Crystallization, Melting Behaviors and Thermal Stability of Cross-linked Poly(3-hydroxybutyrate-
A series of cross-linked poly(3-hydroxybutyrate-
co
-3-hydroxyvalerate)/octavinyloctasilasesquioxane (PHBV/OVS) composites were obtained by a simple melt reactive processing technique. Dicumyl peroxide (DCP) and OVS were employed as a free radical initiator and a cross-linking agent
respectively. The chemical structure of these produced composites were identified by
1
H/
13
C/
29
Si-nuclear magnetic resonance spectroscopy (
1
H/
13
C/
29
Si-NMR) and Fourier transform infrared spectroscopy (FTIR). The melting behavior
non-isothermal crystallization
spherulite morphology and thermal stability property of PHBV/OVS composites were also investigated. The nucleation behaviors and crystallization rate of PHBV/OVS were significantly enhanced with the formation of cross-linked networks with different side-chains and cross-linking points. The red shift of crystalline peak temperature with addition of a small amount of OVS content evidenced the higher crystalline ability compared with the neat PHBV. However there was a threshold content
beyond which the crystallization rate weakened again. Additionally
the cross-linked structure of PHBV/OVS composites could be adjusted by changing the amount of OVS.
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