High molecular weight high density polyethylene with improved te

Details High molecular weight high density polyethylene with improved te High molecular weight high density polyethylene with improved te

1994-12-12

1997-06-03

Sweet, Mark D.

Stock material or miscellaneous articles

Hollow or container type article

Polymer or resin containing

428218, 428523, 525240, B32B 108, C08L 2306

Patent

active

056352620

ABSTRACT:
Articles fabricated from certain high molecular weight high density polyethylenes (HMW-HDPE) combined with a second component, exhibit superior puncture propagation tear resistance and puncture propagation tear length. The second component may be an elastomer such as styrene-butadiene-styrene, styrene-isoprene-styrene, EPR, EPDM, butyl rubber, metallocene-catalyzed polyethylene, and combinations thereof. The second component or components will be present in a fabricated article from 1 to 15 weight percent. Articles include films, bags made from films, and extrusion blow-molded articles.

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patent: 5254617 (1993-10-01), Inoue et al.
patent: 5338589 (1994-08-01), Bohm et al.

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