Performance of dimethyl dioxirane/nano-TiO2 on epoxidation of polybutadiene and hydroxyl terminated polybutadiene-Reference-Cited by-同舟云学术

Performance of dimethyl dioxirane/nano-TiO2 on epoxidation of polybutadiene and hydroxyl terminated polybutadiene

Published:2012-10-18 Issue:5 Volume:45 Page:457-469
ISSN:0095-2443
Container-title:Journal of Elastomers & Plastics
language:en
Short-container-title:Journal of Elastomers & Plastics

Author:

Nikje Mir Mohammad Alavi¹,Hajifatheali Hassan²

Affiliation:

1. Department of Chemistry, Imam Khomeini International University, Qazvin, Islamic Republic of Iran

2. Department of Chemistry, Zanjan University, Zanjan, Islamic Republic of Iran

Abstract

Polybutadiene and hydroxyl terminated polybutadiene (HTPB) were epoxidized using in situ-generated dimethyl dioxirane (DMD) as an oxidant in the presence of nano-TiO2 at 25°C. Reaction time and different percentages of catalyst/Oxone® (w/w) were also examined. The capability of different kinds of double bonds to be epoxidized was studied in detail at various reaction times, and the products were characterized using nuclear magnetic resonance (1HNMR), 13CNMR, and Fourier transform infrared (FT-IR) techniques, with no side reaction being detected. The results indicate that using nano-TiO2 as a catalyst increases the epoxidation yield, especially of cis double bonds.

Publisher

SAGE Publications

Subject

Materials Chemistry,Polymers and Plastics

Link

http://journals.sagepub.com/doi/pdf/10.1177/0095244312457800

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