Citation: Chao Zhao, Ryuichi Sugimoto, Yusuke Naruoka. A Simple Method for Synthesizing Ultra-high-molecular-weight Polystyrene through Emulsion Polymerization Using Alkyl-9-BBN as an Initiator[J]. Chinese Journal of Polymer Science, ;2018, 36(5): 592-597. doi: 10.1007/s10118-018-2064-4 shu

A Simple Method for Synthesizing Ultra-high-molecular-weight Polystyrene through Emulsion Polymerization Using Alkyl-9-BBN as an Initiator

School of Environmental Science and Engineering, Kochi University of Technology, Kochi 782-8502, Japan

Corresponding author: Ryuichi Sugimoto, sugimoto.ryuichi@kochi-tech.ac.jp
Received Date: 23 August 2017
Accepted Date: 17 October 2017
Available Online: 18 January 2018

Styrene emulsion polymerization using an alkyl-9-BBN, synthesized by reacting 9-BBN (9-borabicyclo-[3.3.1]-nonane) and styrene, in an aqueous sodium dodecyl sulfate (SDS) solution was studied. Ultra-high-molecular-weight > 1.0×10⁷) polystyrene was synthesized using a radical initiator formed through the aerobic oxidation of this alkyl-9-BBN in a high yield > 80%). The kinetics of this emulsion polymerization of styrene with the alkyl-9-BBN was investigated. We confirmed that in the initial stage of the polymerization, the initial reaction rate followed first-order kinetics. The activation energy for this emulsion polymerization of styrene was approximately 56.2 kJ/mol.
- Emulsion polymerization,
- 9-BBN,
- Ultra-high molecular weight polystyrene
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