Synthesis and characterization of a new kind of immobilized Mn(salen) and catalytic epoxidation of styrene on the catalyst

被引：15
|
作者：
Shen, Hongsheng [1 ]
Fu, Xiangkai [1 ]
Bao, Hebin [1 ]
Chen, Junxian [1 ]
Gong, Biwei [1 ]
机构：
[1] Southwest Univ, Res Inst Appl Chem, Key Lab Appl Chem Chongqing Municipal, Coll Chem & Chem Engn, Chongqing 400715, Peoples R China
来源：
POLYMERS FOR ADVANCED TECHNOLOGIES | 2009年 / 20卷 / 02期
关键词：
copolymerization; functionalization of polymers; hydroxylation; axial immobilization; catalysis; PHOSPHONATE HYDROGEN PHOSPHATE; ALPHA-ZIRCONIUM PHOSPHATE; ENANTIOSELECTIVE EPOXIDATION; UNFUNCTIONALIZED OLEFINS; MESOPOROUS MATERIALS; COMPLEXES; EPOXIDES; EXCHANGE;
D O I：
10.1002/pat.1214
中图分类号：
O63 [高分子化学（高聚物）];
学科分类号：
070305 ; 080501 ; 081704 ;
摘要：
A linear polystyrene-isopropenyl phosphonic acid (PS-IPPA) copolymer was newly synthesized by free radical reaction in solution with isopropenyl phosphonic acid (IPPA) and styrene. Zirconium poly(styrene-isopropenyl phosphonate)-phosphate acid (ZPS-IPPA) was also synthesized. The benzene rings of ZPS-IPPA were hydroxylated and then further reacted with Mn(salen)CI. Thus the heterogeneous catalyst, Mn(salen) axially immobilized onto ZPS-IPPA was synthesized. These substances were characterized by IR spectra, X-ray diffraction (XRD), SEM, TEM, NMR, thermo-gravimetric analysis, and AAS. The catalyst showed good activity to epoxidation of styrene, which is close to that of the corresponding homogeneous catalyst. Copyright (C) 2008 John Wiley & Sons, Ltd.
引用
收藏
页码：77 / 83
页数：7
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