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Citation: SHENG Yu, ZHU Deqin, ZOU Yinjiang, FANG Zhen, SU Xiaofen. Effect of Modifiers on the Performance of Polypropylene/Calcium Carbonate Composites[J]. Chinese Journal of Applied Chemistry, ;2013, 30(6): 655-660. doi: 10.3724/SP.J.1095.2013.20504 shu

Effect of Modifiers on the Performance of Polypropylene/Calcium Carbonate Composites

Fujian Key Laboratory of Polymer Materials, College of Materials Science and Engineering of Fujian Normal University, Fuzhou 350007, China

Received Date: 5 November 2012
Revised Date: 27 November 2012

Polypropylene/calcium carbonate-maleic anhydride-polypropylene wax(PP/CaCO₃-MAH-PPW) composites were prepared by means of in situ solid phase graft copolymerization using MAH and PPW as the main raw materials. Compared with PP/PP-g-MAH/CaCO₃ composites using MAH grafted with PP(PP-g-MAH) as compatibilizer,PP/CaCO₃-MAH-PPW composites exhibit higher impact resistance,bending and processing properties. The results show that a good dispersion of calcium carbonate and an appropriate interface bonding between CaCO₃ and PP are the key factors in order to obtain the composite with good toughness. When m(PP):m(CaCO₃)=100:20,the notched impact strength of PP/CaCO₃-MAH-PPW composite reaches a maximum,which is 1.19 times as high as that of the matrix resin.
- composites,
- polypropylene,
- calcium carbonate,
- in situ solid phase graft copolymerization,
- polypropylene grafted with maleic anhydride
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