Polyethylene compositions having improved tear properties

Details Polyethylene compositions having improved tear properties Polyethylene compositions having improved tear properties

2007-10-30

2007-10-30

Nutter, Nathan M. (Department: 1711)

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

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

C525S240000

Reexamination Certificate

active

10745461

ABSTRACT:
Disclosed are various compositions, including but not limited to a high density multimodal polyethylene composition, that has a density of 0.935 g/cc or more, and that includes a blend of a first polyethylene component and a second polyethylene component, in which: the first polyethylene component includes a bimodal polyethylene; and the second polyethylene component includes a unimodal polyethylene that is made from a polymerization conducted in the presence of a metallocene having two cyclopentadienyl rings.

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Atofina Petrochemicals, “Finathene® HMW-HDPE A blend Study of Finathene® HMW-HDPE And LLDPE Resins” Atofina Film Technical Bulletin 2ndin a Series.
Debra J. Houska and Steve A. Best, “Blends of mLLDPE with MMW-HDPE for Films with Improved Property Stiffness Balance” 1997 Polymers, Laminations, & Coatings Conference p. 633-638 (1997).

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