The microstructure of propylene homo- and copolymers obtained with a Cp2ZrCl2 and methylaluminoxane catalyst system
1
Iwakuni Polymer Research Laboratories, Mitsui Petrochemical Industries Ltd, Waki-cho, Kuga-gun, Yamaguchi-ken 740, Japan
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Publication type: Journal Article
Publication date: 1989-03-01
scimago Q1
wos Q2
SJR: 0.843
CiteScore: 7.7
Impact factor: 4.5
ISSN: 00323861, 18732291
Materials Chemistry
Organic Chemistry
Polymers and Plastics
Abstract
The microstructure of propylene homopolymer and ethylene-propylene copolymer obtained using a bis-(cyclopentadienyl)zirconium dichloride (Cp2ZrCl2) and methylaluminoxane catalyst was investigated by 13C nuclear magnetic resonance. The homopolymer had the following features: meso (m) and racemic (r) arrangements of propylene units are present with almost equal probability; the chains of propylene units are joined head-to-tail; and the polymer chain end groups are isopropenyl and n-propyl. In the copolymer, the structure of the polymer chain ends was almost entirely based on propylene units, such as isopropenyl and n-propyl, in spite of a high ethylene content (60 mol%), suggesting that the chain transfer reaction is most probably caused by propylene monomer when the propagating chain end is a propylene unit.
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Total citations:
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Citations from 2024:
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(2%)
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GOST
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MIZUNO A. et al. The microstructure of propylene homo- and copolymers obtained with a Cp2ZrCl2 and methylaluminoxane catalyst system // Polymer. 1989. Vol. 30. No. 3. pp. 428-431.
GOST all authors (up to 50)
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Tsutsui T., Kashiwa N., Mizuno A. The microstructure of propylene homo- and copolymers obtained with a Cp2ZrCl2 and methylaluminoxane catalyst system // Polymer. 1989. Vol. 30. No. 3. pp. 428-431.
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RIS
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TY - JOUR
DO - 10.1016/0032-3861(89)90008-6
UR - https://doi.org/10.1016/0032-3861(89)90008-6
TI - The microstructure of propylene homo- and copolymers obtained with a Cp2ZrCl2 and methylaluminoxane catalyst system
T2 - Polymer
AU - Tsutsui, Toshiyuki
AU - Kashiwa, Norio
AU - Mizuno, Akira
PY - 1989
DA - 1989/03/01
PB - Elsevier
SP - 428-431
IS - 3
VL - 30
SN - 0032-3861
SN - 1873-2291
ER -
Cite this
BibTex (up to 50 authors)
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@article{1989_MIZUNO,
author = {Toshiyuki Tsutsui and Norio Kashiwa and Akira Mizuno},
title = {The microstructure of propylene homo- and copolymers obtained with a Cp2ZrCl2 and methylaluminoxane catalyst system},
journal = {Polymer},
year = {1989},
volume = {30},
publisher = {Elsevier},
month = {mar},
url = {https://doi.org/10.1016/0032-3861(89)90008-6},
number = {3},
pages = {428--431},
doi = {10.1016/0032-3861(89)90008-6}
}
Cite this
MLA
Copy
MIZUNO, Akira, et al. “The microstructure of propylene homo- and copolymers obtained with a Cp2ZrCl2 and methylaluminoxane catalyst system.” Polymer, vol. 30, no. 3, Mar. 1989, pp. 428-431. https://doi.org/10.1016/0032-3861(89)90008-6.