Impact modified thinwall polymer compositions

Details Impact modified thinwall polymer compositions Impact modified thinwall polymer compositions

1995-04-06

1998-09-22

Zitomer, Fred

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

Synthetic resins

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

525191, C08L 2308, C08L 2314, C08L 2318

Patent

active

058114947

ABSTRACT:
Modified polymer compositions having good flowability, impact performance and modulus made from at least polyolefin (e.g., high density polyethylene or polypropylene) blended with minor amounts of either at least one homogeneous linear ethylene/C.sub.5 -C.sub.20 .alpha.-olefin or at least one substantially linear ethylene/C.sub.3 -C.sub.20 .alpha.-olefin polymer are disclosed. The compositions are suitable for thermoformed or molded thinwall applications such as drinking cups, lids, and food containers where the flow length to wall thickness ratios are greater than about 180:1.

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patent: 4820557 (1989-04-01), Warren
patent: 5082902 (1992-01-01), Gurevitch et al.
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patent: 5278272 (1994-01-01), Lai et al.
patent: 5576374 (1996-11-01), Betso et al.
Encyclopedia of Polymer Science and Engineering, second edition, pp. 383, 385-386 and 454, Dec. 1986.

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