Ethylene polymers with a norbornene comonomer for LLDPE like res

Details Ethylene polymers with a norbornene comonomer for LLDPE like res Ethylene polymers with a norbornene comonomer for LLDPE like res

1997-11-21

1999-08-24

Zitomer, Fred

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

Synthetic resins

Polymers from only ethylenic monomers or processes of...

526308, 526348, 5263483, 5263484, 5263485, 5263486, 526943, C08F23208

Patent

active

059425873

ABSTRACT:
An ethylene cyclic olefin polymer, particularly an ethylene
orbornene copolymer and an ethylene
orbornene/alpha olefin terpolymer resin, of improved toughness and processibility for film production. This invention provides ethylene based resins which are processible like an LLDPE but which are significantly improved with respect to their capability to be fabricated into a film layer, particularly by a blown bubble extrusion technique. Films prepared of the resins of this invention are significantly improved with respect to certain of their film properties, such as tear strength, without detracting from the beneficial properties that an LLDPE-like resin otherwise provides to a film. Molding application of the above E/NB copolymers and E/NB/O terpolymers is also disclosed.

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patent: 5359001 (1994-10-01), Epple et al.
patent: 5552504 (1996-09-01), Bennett et al.
patent: 5629398 (1997-05-01), Okamoto et al.
patent: 5635573 (1997-06-01), Harrington et al.

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