Polypropylene blown film

Details Polypropylene blown film Polypropylene blown film

1995-07-24

1997-06-24

Teskin, Fred

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

Synthetic resins

Polymers from only ethylenic monomers or processes of...

526351, 525 88, 525 95, 525232, 525240, 525321, 525322, 525323, C08F11006, C08L 2310, C08L 5300

Patent

active

056418485

ABSTRACT:
Disclosed is a blown film or sheet material comprising a broad molecular weight distribution propylene polymer material having a molecular weight distribution M.sub.w /M.sub.n of about 4 to about 60, a melt flow rate of about 0.5 to about 50 dg/min, and xylene insolubles at 25.degree. C. of greater than or equal to 94%. A mixture of the broad molecular weight distribution propylene polymer material and a heterophasic olefin polymer composition can also be used.

REFERENCES:
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patent: 4705828 (1987-11-01), Matsumoto et al.
patent: 4814135 (1989-03-01), Heitz
patent: 5212246 (1993-05-01), Ogale
patent: 5286791 (1994-02-01), DeNicola, Jr. et al.
patent: 5300365 (1994-04-01), Ogale
patent: 5318842 (1994-06-01), Ogale
patent: 5409992 (1995-04-01), Eppert, Jr.

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