Catalytic hydroformylation of styrene-butadiene copolymers

被引：6

作者：

Chen, JH ^{[1
]}

Ajjou, AN ^{[1
]}

Chanthateyanonth, R ^{[1
]}

Alper, H ^{[1
]}

机构：

[1] UNIV OTTAWA,DEPT CHEM,OTTAWA,ON K1N 6N5,CANADA

来源：

MACROMOLECULES | 1997年 / 30卷 / 10期

关键词：

D O I：

10.1021/ma961937g

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 ; 080501 ; 081704 ;

摘要：

Homogeneous catalytic hydroformylation of styrene-butadiene copolymers was examined with five rhodium catalyst precursors. Under a total pressure of 800 psi H-2 and CO at 40 degrees C, [Rh(COD)(2)]BF4 and [Rh(COD)Cl](2) are more active than HRh(CO)(PPh3)(3), [Rh(COD)dppb]BF4, or [Rh(COD)]BPh4. The hydride HRh(CO)(PPh3)(3) is the most effective of the catalysts at 200 psi and 40 degrees C. Full conversion of polyolefin could be achieved using [Rh(COD)(2)]BF4 or [Rh(COD)Cl](2) as the hydroformylation catalyst. The polyaldehydes, characterized using IR and H-1 and C-13 NMR spectroscopy as well as gel permeation chromatography, are stable under the synthesis gas conditions and formed gels in the presence of air.

引用

页码：2897 / 2901

页数：5

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