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Citation: LI Chao-Qun, JIANG Zhi-Wei, WANG Yu-Rong, TANG Tao. Preparation and Properties of Thermoplastic Polyolefin/montmorillonite Nanocomposite[J]. Chinese Journal of Applied Chemistry, ;2008, 25(2): 132-136. shu

Preparation and Properties of Thermoplastic Polyolefin/montmorillonite Nanocomposite

1.
a College of Chemical Engineering, Dalian University of Technology, Dalian;
2.
b Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun 130022

Corresponding author: TANG Tao,
Received Date: 14 February 2007
Available Online: 8 May 2007
Fund Project: 国家自然科学基金资助项目(50525311和50473029) (50525311和50473029)

Thermoplastic vulcanizate(TPV)/montmorillonite nanocomposite based on polypropylene(PP),ethylene-propylene rubber(EPDM),and organically modified montmorillonite(OMMT) was prepared via dynamic vulcanization.XRD and TEM measurements showed that the TPV/montmorillonite nanocomposite(TPVOMMT) was a nanocomposite with intercalated structure.The increase in the tensile strength of the TPVOMMT nanocomposite was 55% vs TPV,and 33% vs the dynamic vulcanizate that based on PP/EPDM/Na-MMT(TPVNMMT).Dynamic mechanical analysis showed that the storage modulus of the TPVOMMT nanocomposite increased by 35% compared with that of TPV,while T_g of TPVOMMT increased by 8℃.Complex viscosity decreased with the addtion of OMMT.Moreover,the tensile strength of the vulcanizate with different rubber/resin ratios was discussed.
- thermoplastic elastomer,
- montmorillonite,
- nanocomposite,
- dynamic vulcanization
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