Containers and sheets made of filled polymer compositions

Details Containers and sheets made of filled polymer compositions Containers and sheets made of filled polymer compositions

2005-05-17

2005-05-17

Nolan, Sandra M. (Department: 1772)

Stock material or miscellaneous articles

Hollow or container type article

Polymer or resin containing

C428S036920

Reexamination Certificate

active

06893694

ABSTRACT:
According to one embodiment, a container comprises a base. The base has a bottom wall and a continuous base wall which encompasses the bottom wall and extends upwardly therefrom. The base is made from a mixture of a polyolefin and a filler. The mixture is from about 30 to about 75 wt. % filler and from about 25 to about 70 wt. % polyolefin. A high aspect ratio filler and a low aspect ratio filler are included in the filler, with the high aspect ratio filler having an aspect ratio of at least 5:1 and the low aspect ratio filler having an aspect ratio of less than about 3:1. The filler comprises at least 50 wt. % of low aspect ratio filler.

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