Preparation and Characterization of Poly (vinylbenzyl chloride)-b-poly (lactide) Copolymers via Nitroxide-Mediated Controlled Radical and Ring-Opening Polymerization

Shao Hua Shen; Ying Xiang Duan; Qing Quan Liu; Qiu Guao Xiao

doi:10.4028/www.scientific.net/AMR.554-556.295

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 554-556Preparation and Characterization of Poly...

Preparation and Characterization of Poly (vinylbenzyl chloride)-b-poly (lactide) Copolymers via Nitroxide-Mediated Controlled Radical and Ring-Opening Polymerization

Abstract:

Hydroxyl-terminated poly(vinylbenzyl chloride) (PVBCOH) were synthesized using nitroxide-mediated controlled radical polymerization. Then, PVBCOH was used as a macro-initiator for ring-opening polymerization of lactide (LA) in the presence of stannous octanoate (Sn(Oct)₂) as a catalyst. The structures, molecular weights and polydispersity index (PDI) of PVBCOH and PVBC-b-PLA were characterized by 1H-NMR, and GPC, respectively. The results indicated that PDI of PVBCOH and PVBC-b-PLA was 1.63 and 1.27, respectively. Moreover, the molecular weight and PDI of PVBCOH and PVBC-b-PLA could be well tuned by changing monomer-to-initiator ratio.

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Advanced Materials Research (Volumes 554-556)

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295-298

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.554-556.295

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Online since:

July 2012

Authors:

Shao Hua Shen, Ying Xiang Duan, Qing Quan Liu, Qiu Guao Xiao

Keywords:

Living Polymerization, Poly(vinylbenzyl chloride-b-lactide), Ring-Opening Polymerization

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