COPOLYMERIZATION OF BUTADIENE AND ISOPRENE CATALYZED BY V(acac)3-Al(i-Bu)2Cl-Al2Et3Cl3 CATALYST AND CHARACTERIZATION OF THE PRODUCTS*

HU Zhenya; WEI Jinzhu; YANG Jipo; LI Xiaoyan

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COPOLYMERIZATION OF BUTADIENE AND ISOPRENE CATALYZED BY V(acac)3-Al(i-Bu)2Cl-Al2Et3Cl3 CATALYST AND CHARACTERIZATION OF THE PRODUCTS*

Papers | Updated：2021-06-21

- COPOLYMERIZATION OF BUTADIENE AND ISOPRENE CATALYZED BY V(acac)3-Al(i-Bu)2Cl-Al2Et3Cl3 CATALYST AND CHARACTERIZATION OF THE PRODUCTS*
- Vol. 2, Issue 1, Pages: 19-24(1984)
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- Published：20 July 1984
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HU Zhenya, WEI Jinzhu, YANG Jipo, et al. COPOLYMERIZATION OF BUTADIENE AND ISOPRENE CATALYZED BY V(acac)3-Al(i-Bu)2Cl-Al2Et3Cl3 CATALYST AND CHARACTERIZATION OF THE PRODUCTS*[J]. 1984, 2(1): 19-24.
DOI：

HU Zhenya, WEI Jinzhu, YANG Jipo, et al. COPOLYMERIZATION OF BUTADIENE AND ISOPRENE CATALYZED BY V(acac)3-Al(i-Bu)2Cl-Al2Et3Cl3 CATALYST AND CHARACTERIZATION OF THE PRODUCTS*[J]. 1984, 2(1): 19-24. DOI：

摘要

Copolymerization of butadiene and isoprene catalyzed by the catalyst system V(acac)3-Al(i-Bu)2Cl-Al2Et3Cl3 has been studied. Composition

microstructure

crystallinity and melting point of the copolymer obtained were determined by PGC

X-ray diffraction and DSC methods respectively. The results revealed that the product was a copolymer and not a blend. The butadiene units presented in the copolymer were of trans-1

4-configuration

while the isoprene units were of both trans-1

4-and 3

4-forms. The melting point and crystallinity of the copolymer decreased decreased with increase of molar ratio of isoprene to butadiene.

Abstract

Copolymerization of butadiene and isoprene catalyzed by the catalyst system V(acac)3-Al(i-Bu)2Cl-Al2Et3Cl3 has been studied. Composition

microstructure

crystallinity and melting point of the copolymer obtained were determined by PGC

X-ray diffraction and DSC methods respectively. The results revealed that the product was a copolymer and not a blend. The butadiene units presented in the copolymer were of trans-1

4-configuration

while the isoprene units were of both trans-1

4-and 3

4-forms. The melting point and crystallinity of the copolymer decreased decreased with increase of molar ratio of isoprene to butadiene.

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