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Citation: ZHU Jian, WANG Xiaoyan, LIU Jingyu, TONG Yuejin, LI Yuesheng. Synthesis of Polypropylene-graft-polycaprolactone Polymer and Its Application as Blending Compatibilizer[J]. Chinese Journal of Applied Chemistry, ;2014, 31(7): 770-777. doi: 10.3724/SP.J.1095.2014.40043 shu

Synthesis of Polypropylene-graft-polycaprolactone Polymer and Its Application as Blending Compatibilizer

ZHU Jian ^a ,
WANG Xiaoyan ^b ,
LIU Jingyu ^b ,
TONG Yuejin ^a,, ,
LI Yuesheng ^b,,

1.
a School of Chemistry and Chemical Engineering, Fujian Normal University, Fuzhou 350000, China;
2.
b State Key Laboratory of Polymer Physics and Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun 130022, China

Corresponding author: TONG Yuejin, LI Yuesheng,
Received Date: 18 February 2014
Available Online: 20 March 2014
Fund Project: 国家自然科学基金项目(21234006)资助 (21234006)

Using polypropylene containing pendant hydroxyl groups as initiator and stannous octoate as catalyst,a serial of well-defined polypropylene-graft-polycaprolactone polymers was synthesized via ring opening polymerization,and the structures of the polymers were characterized by NMR,IR,DSC and WAXD.In addition,the influence of temperature and time on the grafting reaction was studied.The results show that the optimal reaction temperature is 90℃ and the grafting lengths can be controlled by regulating reaction time.Furthermore,the functional polypropylene were used as compatibilizer for polypropylene/nylon-6 blends,and the influence of compatibilizer on the blends was investigated by SEM.The SEM reveals that the interfacial tension and dimensions of separated phases are markedly reduced while interfacial adhesion is greatly enhanced because of the addition of the compatibilizer.
- polypropylene,
- solution grafting,
- caprolactone,
- blending compatibilizer
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