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Title: Zirconium and hafnium-catalyzed polymerization of methylenecyclopropane

Abstract

A polymer having a repeating unit of ##STR1## and a method for preparing it through Zr-catalyzed polymerization of methylenecyclopropane is disclosed.

Inventors:
; ;
Issue Date:
Research Org.:
Northwestern University, Chicago, IL (United States)
Sponsoring Org.:
USDOE
OSTI Identifier:
870771
Patent Number(s):
5591815
Application Number:
08/553,876
Assignee:
Northwestern University (Chicago, IL)
Patent Classifications (CPCs):
B - PERFORMING OPERATIONS B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL B01J - CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY
C - CHEMISTRY C08 - ORGANIC MACROMOLECULAR COMPOUNDS C08F - MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
DOE Contract Number:  
FG02-86ER13511
Resource Type:
Patent
Resource Relation:
Patent File Date: 1995 Nov 06
Country of Publication:
United States
Language:
English
Subject:
zirconium; hafnium-catalyzed; polymerization; methylenecyclopropane; polymer; repeating; unit; str1; method; preparing; zr-catalyzed; disclosed; repeating unit; zr-catalyzed polymerization; hafnium-catalyzed polymerization; /526/

Citation Formats

Marks, Tobin J., Yang, Xinmin, and Jia, Li. Zirconium and hafnium-catalyzed polymerization of methylenecyclopropane. United States: N. p., 1997. Web.
Marks, Tobin J., Yang, Xinmin, & Jia, Li. Zirconium and hafnium-catalyzed polymerization of methylenecyclopropane. United States.
Marks, Tobin J., Yang, Xinmin, and Jia, Li. Wed . "Zirconium and hafnium-catalyzed polymerization of methylenecyclopropane". United States. https://www.osti.gov/servlets/purl/870771.
@article{osti_870771,
title = {Zirconium and hafnium-catalyzed polymerization of methylenecyclopropane},
author = {Marks, Tobin J. and Yang, Xinmin and Jia, Li},
abstractNote = {A polymer having a repeating unit of ##STR1## and a method for preparing it through Zr-catalyzed polymerization of methylenecyclopropane is disclosed.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {1997},
month = {1}
}

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Works referenced in this record:

Facile C–H activation by lutetium–methyl and lutetium–hydride complexes
journal, January 1983


Cation-like homogeneous olefin polymerization catalysts based upon zirconocene alkyls and tris(pentafluorophenyl)borane
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Methylenecyclopropane from Methallyl Chloride
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On the Ring-Opening Polymerization of Methylenecyclobutane
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Highly reactive organolanthanides. Systematic routes to and olefin chemistry of early and late bis(pentamethylcyclopentadienyl) 4f hydrocarbyl and hydride complexes
journal, December 1985


Palladium-catalyzed cyclizations of polyenynes. A palladium zipper
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Radical polymerization of 3-substituted-1-methylenec yclobutanes
journal, August 1988


.beta.-Alkyl transfer in a lanthanide model for chain termination
journal, November 1982