Polyproplylene materials and method of preparing...

Details Polyproplylene materials and method of preparing... Polyproplylene materials and method of preparing...

2005-04-19

2005-04-19

Zirker, Daniel (Department: 1771)

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

Synthetic resins

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

C525S191000, C428S343000

Reexamination Certificate

active

06881793

ABSTRACT:
A polypropylene material is prepared from a blend of heterophasic propylene copolymers and propylene homopolymers. The material is prepared by blending the polymers while they are in a molten state, and forming a film or sheet from the polymer blend. The material has particular application to forming slit film tapes and similar materials. The resultant materials exhibit increased tenacity, elongation and toughness and greater surface roughness as compared to those materials prepared solely from propylene homopolymers.

REFERENCES:
patent: 4473687 (1984-09-01), Dorrer et al.
patent: 5045598 (1991-09-01), Duez et al.
patent: 5912292 (1999-06-01), Sun
patent: 6153703 (2000-11-01), Lustiger et al.
patent: 6284833 (2001-09-01), Ford et al.
patent: 6342565 (2002-01-01), Cheng et al.
S.J. Mahajan, B.L. Deopura and Yimin Wang, Structure and Properties of Drawn Tapes of High-Density Polyethylene/Ethylene-Propylene Copolymer Blends, Journal of Applied Polymer Science, vol. 60, 1996, pp. 1527-1538.

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