Process for preparation and purification of material of a cycloo

Details Process for preparation and purification of material of a cycloo Process for preparation and purification of material of a cycloo

1994-02-14

1996-03-12

Teskin, Fred

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

Synthetic resins

Polymers from only ethylenic monomers or processes of...

526134, 526139, 526145, 526160, 526281, 526308, 528481, 528482, 528491, 528493, 528495, 26433117, 264345, 210767, 210769, 210770, C08F 4649, C08F23204, C08F23208

Patent

active

054986770

ABSTRACT:
A material of a cycloolefin copolymer has a structure of alternating cycloolefin sequences, and has crystallinity in a temperature range from 210.degree. to 320.degree. C. The cycloolefin is prepared by polymerization of at least one polycyclic olefin, monocyclic and/or acyclic olefin with an open-chain olefin using a catalyst of a metallocene and an aluminoxane.

REFERENCES:
patent: 4614778 (1986-09-01), Kajiura et al.
patent: 4948856 (1990-08-01), Minchak et al.
patent: 5087677 (1992-02-01), Brekner et al.
patent: 5324801 (1994-06-01), Brekner et al.
Hackh's Chemical Dictionary, 4th ed., McGraw-Hill Book Co., N.Y., 1969, 140, 199.

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