Confined polymerization: catalyzed synthesis of high Tm, nanofibrous polyethylene within porous polymer microspheres

Kui Wang; Jinhua Lei; Guangyuan Zhou

doi:10.1039/C5RA13945G

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Confined polymerization: catalyzed synthesis of high T_m, nanofibrous polyethylene within porous polymer microspheres†

Kui Wang,^ab Jinhua Lei*^a and Guangyuan Zhou*^a

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* Corresponding authors

^a Key Laboratory of Polymer Ecomaterials, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Renmin Street 5625, Changchun, Jilin, China
E-mail: jhlei@ciac.ac.cn, gyzhou@ciac.ac.cn

^b University of Chinese Academy of Sciences, Beijing, China

Abstract

Crystalline nanofibers of linear polyethylene were formed through ethylene confined polymerization with porous polymer microsphere-supported titanocene. Polyethylene nanofibers (<70 nm) aggregated to form intertwined thicker fibers (300 nm to 22 μm). The obtained PE has high M_w and T_m. Interestingly, the high T_m (142.4 °C) was maintained in the second stage of heating.

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Article information

DOI: https://doi.org/10.1039/C5RA13945G
Article type: Communication
Submitted: 15 Jul 2015
Accepted: 12 Aug 2015
First published: 14 Aug 2015

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RSC Adv., 2015,5, 70703-70706

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Confined polymerization: catalyzed synthesis of high T_m, nanofibrous polyethylene within porous polymer microspheres

K. Wang, J. Lei and G. Zhou, RSC Adv., 2015, 5, 70703 DOI: 10.1039/C5RA13945G

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