Study on the Graft Copolymerization of AN onto PP by Using Supercritical Carbon Dioxide

Ya Zhen Wang; Di Ma; Cheng E Yue; Wei Nan Jia; Yong Li

doi:10.4028/www.scientific.net/AMR.815.717

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HomeAdvanced Materials ResearchAdvanced Materials Research Vol. 815Study on the Graft Copolymerization of AN onto PP...

Study on the Graft Copolymerization of AN onto PP by Using Supercritical Carbon Dioxide

Abstract:

The research reported in this paper aimed at exploring the advantages of using supercritical carbon dioxide (scCO₂) as an environmentally benign solvent and swelling agent for carrying out the grafting process of acrylonitrile (AN) onto polypropylene (PP) in the solid state by using benzoyl peroxide (BPO) as initiator in the reaction. In order to get a well graft ratio, the effects of various factors in this grafting reaction are investigated. Those factors included the reaction time, reaction temperature, monomer and initiator concentrations and the CO₂ pressure. IR was used to characterize the constituent of the graft polymer. Then anti-aging of the PP-g-AN was studied by UV-vis. Results showed that the scCO₂-assisted solid-state grafting process of AN onto PP did have some scientifically interesting and industrially relevant advantages over the melt process. Compare with virgin PP, the graft polymer have a better performance in anti-aging.

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Progress in Materials Science and Engineering: ICMSE 2013

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Advanced Materials Research (Volume 815)

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717-721

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https://doi.org/10.4028/www.scientific.net/AMR.815.717

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October 2013

Authors:

Ya Zhen Wang, Di Ma, Cheng E Yue, Wei Nan Jia, Yong Li

Keywords:

Acrylonitrile, Graft, Polypropylene (PP), Supercritical Carbon Dioxide

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