Citation: Ji-qin Wen, Xue-quan Zhang, Quan-quan Dai. Synthesis of Polybutadienes with Controllable Microstructure by a Novel Binary Nd(3-NBSO3)3/Alkylaluminum Catalyst System[J]. Chinese Journal of Polymer Science, ;2015, 33(3): 475-480. doi: 10.1007/s10118-015-1600-8 shu

Synthesis of Polybutadienes with Controllable Microstructure by a Novel Binary Nd(3-NBSO3)3/Alkylaluminum Catalyst System

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1. Key Laboratory of Synthetic Rubber, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun 130022, China
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2. Jiangsu Province Institute for Medical Equipment Testing, Nanjing 210000, China
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Key Laboratory of Synthetic Rubber, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun 130022, China

Corresponding author: Quan-quan Dai,
Received Date: 17 June 2014
Revised Date: 3 August 2014

Fund Project: This work was financially supported by the National Basic Research Program of China (No. 2015CB654700 (2015CB674702)), The CAS Hundred Talents Program (Y220011001), the National Natural Science Foundation of China (Nos. 51473156 and 51203147) and Jilin Provincial Research Fund for Basic Research, China (No. 20130102007JC).

The polymerization of 1,3-butadiene was examined by using a novel halogen-free neodymium m-nitrobenzenesulfonate (Nd(3-NBSO3)3donors)/alkylaluminum binary catalyst system. The catalyst showed fairly high activity and controllable selectivity. The microstructure of the resultant polymer was adjustable by variation of electron donor and/or the alkylaluminum. 13C-NMR and thermal analysis demonstrate that the produced polybutadienes have stereo-block chain structures of cis-1,4 and trans-1,4 segments with adjustable Tm and Tc. The neodymium sulfonate-based catalyst is believed to be significant in regulating the chain structure of polydienes and in exploring 1,3-diene polymerization mechanism.
- Polybutadiene,
- Microstructure,
- Ziegler-Natta polymerization
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