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Title: Method of polymerizing exo-methylene cyclic organic compounds using homogeneous ring-opening catalysts

The regiospecific (1,2-Me.sub.2 C.sub.5 H.sub.3).sub.2 ZrMe.sup.+ MeB(C.sub.6 F.sub.5).sub.3.sup.- mediated ring-opening polymerization of methylenecyclobutane and its copolymerization with ethylene to polyolefins of microstructure--{CH.sub.2 CH.sub.2 CH.sub.2 C(CH.sub.2)]--.sub.n and {--[CH.sub.2 CHR]--.sub.x [CH.sub.2 CH.sub.2 CH.sub.2 C(CH.sub.2)]--.sub.y }.sub.n' respectively, is disclosed.
Inventors:
 [1];  [2];  [1]
  1. (Evanston, IL)
  2. (Chicago, IL)
Issue Date:
OSTI Identifier:
869225
Assignee:
Northwestern University (Evanston, IL) CHO
Patent Number(s):
US 5300598
Contract Number:
FG02-86ER13511
Research Org:
Northwestern University (Evanston, IL)
Sponsoring Org:
USDOE
Country of Publication:
United States
Language:
English
Subject:
method; polymerizing; exo-methylene; cyclic; organic; compounds; homogeneous; ring-opening; catalysts; regiospecific; 2-me; zrme; mediated; polymerization; methylenecyclobutane; copolymerization; ethylene; polyolefins; microstructure-; chr; respectively; disclosed; organic compound; organic compounds; ring-opening polymerization; cyclic organic; /526/