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:

Marks, Tobin J.; Yang, Xinmin; Jia, Li

Issue Date:

1996-01-01

Research Org.:

Northwestern Univ., Evanston, IL (United States)

Sponsoring Org.:

USDOE

OSTI Identifier:

870232

Patent Number(s):

5480952

Application Number:

08/399,390

Assignee:

Northwestern University (Evanston, 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 C07 - ORGANIC CHEMISTRY C07F - ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM

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B - PERFORMING OPERATIONS B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL B01J - CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY

B01J2531/46 - Titanium
B01J2531/48 - Zirconium
B01J2531/49 - Hafnium
B01J31/2295 - {Cyclic compounds, e.g. cyclopentadienyls}

C - CHEMISTRY C07 - ORGANIC CHEMISTRY C07F - ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM

C07F17/00 - Metallocenes

C - CHEMISTRY C08 - ORGANIC MACROMOLECULAR COMPOUNDS C08F - MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS

C08F210/02 - Ethene
C08F32/02 - having no condensed rings

C - CHEMISTRY C08 - ORGANIC MACROMOLECULAR COMPOUNDS C08G - MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS

C08G61/04 - only aliphatic carbon atoms
C08G61/06 - prepared by ring-opening of carbocyclic compounds

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DOE Contract Number:  

FG02-86ER13511

Resource Type:

Patent

Resource Relation:

Patent File Date: 1995 Mar 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/