SYNTHESIS OF cis-1, 4-POLYBUTADIENE WITH NICKEL CATALYST INVESTIGATIONS ON INTERACTIONS BETWEEN THE CATALYTIC COMPONENTS BY USING UV-VIS SPECTRUM

CHEN Dianbao; XU Guang; TANG Xueming

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SYNTHESIS OF cis-1, 4-POLYBUTADIENE WITH NICKEL CATALYST INVESTIGATIONS ON INTERACTIONS BETWEEN THE CATALYTIC COMPONENTS BY USING UV-VIS SPECTRUM

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- SYNTHESIS OF cis-1, 4-POLYBUTADIENE WITH NICKEL CATALYST INVESTIGATIONS ON INTERACTIONS BETWEEN THE CATALYTIC COMPONENTS BY USING UV-VIS SPECTRUM
- SYNTHESIS OF cis-1, 4-POLYBUTADIENE WITH NICKEL CATALYST INVESTIGATIONS ON INTERACTIONS BETWEEN THE CATALYTIC COMPONENTS BY USING UV-VIS SPECTRUM
- 高分子科学（英文版） 1987年5卷第1期页码：45-52
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- 纸质出版：1987-03-20
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CHEN Dianbao, XU Guang, TANG Xueming. SYNTHESIS OF cis-1, 4-POLYBUTADIENE WITH NICKEL CATALYST INVESTIGATIONS ON INTERACTIONS BETWEEN THE CATALYTIC COMPONENTS BY USING UV-VIS SPECTRUM[J]. 高分子科学（英文版）, 1987,5(1):45-52.

CHEN Dianbao, XU Guang, TANG Xueming. SYNTHESIS OF cis-1, 4-POLYBUTADIENE WITH NICKEL CATALYST INVESTIGATIONS ON INTERACTIONS BETWEEN THE CATALYTIC COMPONENTS BY USING UV-VIS SPECTRUM[J]. 1987, 5(1): 45-52.
CHEN Dianbao, XU Guang, TANG Xueming. SYNTHESIS OF cis-1, 4-POLYBUTADIENE WITH NICKEL CATALYST INVESTIGATIONS ON INTERACTIONS BETWEEN THE CATALYTIC COMPONENTS BY USING UV-VIS SPECTRUM[J]. 高分子科学（英文版）, 1987,5(1):45-52. DOI：

CHEN Dianbao, XU Guang, TANG Xueming. SYNTHESIS OF cis-1, 4-POLYBUTADIENE WITH NICKEL CATALYST INVESTIGATIONS ON INTERACTIONS BETWEEN THE CATALYTIC COMPONENTS BY USING UV-VIS SPECTRUM[J]. 1987, 5(1): 45-52. DOI：

摘要

Ni(Ⅱ) naphthenate in hydrogenated gasoline or toluene will appear light green

which is the result of absorption in the red and blue bands of the spectrum. The three peaks caused by the spin-allowed d-d transitions are 403

680

and 1170nm respectively

and are similar to those of Ni(H2O)6+2. The configuration of Ni(Ⅱ) complex is octabedral.In a two-component system of Ni(naph)2-Al(i-Bu)3

the naphthenate ligand attached to Ni(Ⅱ) can be exchanged for the alkyl group on tri-isobutylaluminium

if Al(i-Bu)3/Ni(naph)2 in a system containing metalalkyl and naphthenate does not exceed the value of 0.53.At a higher ratio

Al(i-Bu)3/Ni(naph)2>0.53

Ni(Ⅱ) is reduced to Ni(I) and Ni(O).In a two-component system Ni(naph)2-BF3·OEt2

a part of the naphthenate can be exchanged for halogen.A new Ni(Ⅱ)complex is formed

which consists of three new d-d bands in the region 360-1660nm.

Abstract

Ni(Ⅱ) naphthenate in hydrogenated gasoline or toluene will appear light green

which is the result of absorption in the red and blue bands of the spectrum. The three peaks caused by the spin-allowed d-d transitions are 403

680

and 1170nm respectively

and are similar to those of Ni(H2O)6+2. The configuration of Ni(Ⅱ) complex is octabedral.In a two-component system of Ni(naph)2-Al(i-Bu)3

the naphthenate ligand attached to Ni(Ⅱ) can be exchanged for the alkyl group on tri-isobutylaluminium

if Al(i-Bu)3/Ni(naph)2 in a system containing metalalkyl and naphthenate does not exceed the value of 0.53.At a higher ratio

Al(i-Bu)3/Ni(naph)2>0.53

Ni(Ⅱ) is reduced to Ni(I) and Ni(O).In a two-component system Ni(naph)2-BF3·OEt2

a part of the naphthenate can be exchanged for halogen.A new Ni(Ⅱ)complex is formed

which consists of three new d-d bands in the region 360-1660nm.

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