Zirconium and hafnium-catalyzed polymerization of methylenecyclo

Details Zirconium and hafnium-catalyzed polymerization of methylenecyclo Zirconium and hafnium-catalyzed polymerization of methylenecyclo

1995-11-06

1997-01-07

Zitomer, Fred

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Polymers from only ethylenic monomers or processes of...

526126, 526131, 526132, 526133, 526134, 526308, C08F 444, C08F 464

Patent

active

055918158

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

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patent: 5422406 (1995-06-01), Yang et al.
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