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Citation: SUN Tingting, LI Wenliang, XIE Zhigang, JING Xiabin. Preparation and Application of Heterogeneous Photocatalysts Based on New Cross-Linked Polymers[J]. Chinese Journal of Applied Chemistry, ;2014, 31(5): 548-552. doi: 10.3724/SP.J.1095.2014.30343 shu

Preparation and Application of Heterogeneous Photocatalysts Based on New Cross-Linked Polymers

1.
a State Key Laboratory of Polymer Physics and Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun 130022, China;
2.
b University of Chinese Academy of Sciences, Beijing 100049, China

Corresponding author: XIE Zhigang,
Received Date: 10 July 2013
Available Online: 3 September 2013
Fund Project: 国家自然科学基金资助项目(21104075) (21104075)

Styrene(S) and divinyl benzene(DVB) were used as starting materials,and poly(lactic acid)(PLA) with terminated S-(thiobenzoyl) thioglycolic ester was used as the chain transfer agent.A styrenic monomer containing boron-dipyrromethene fluorophore(BODIPY)(BDP-St) was also copolymerized to form the cross-linked polymers using reversible addition-fragmentation chain transfer(RAFT) polymerization.Heterogeneous polymeric photocatalysts were obtained by selectively etching the PLA segments in the crosslinked polymers using the methanol/water solution of NaOH.Photocatalytic oxidation of thioanisole was studied using the cross-linked polymers.The results show that the polymeric materials obtained have no pore structures.Photocatalytic experiments show that the catalytic properties of polymers obtained from the chain transfer agent containing a PLA segment are better than those from a small molecular chain transfer agent,but the content of PLA has little effect on the catalytic properties.
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