Performance super high flow ethylene polymer compositions

Details Performance super high flow ethylene polymer compositions Performance super high flow ethylene polymer compositions

1994-08-12

1996-12-31

Thibodeau, Paul J.

Plastic and nonmetallic article shaping or treating: processes

Mechanical shaping or molding to form or reform shaped article

Shaping against forming surface

26433115, 26433117, 428 357, 428 369, 525240, 5263482, 5263486, B29B 700

Patent

active

055891284

ABSTRACT:
Super high flow ethylene polymer compositions comprising at least one linear ethylene polymer are disclosed which have improved processability for use in making thermally formed articles (e.g., thin-walled lids, cups and containers). The compositions have a processing index from about 0.005 KPoise to about 1 KPoise and are particularly useful in thermal forming processes having shear rates of at least 2,000 sec.sup.-1 (e.g., injection molding processes). The compositions can be used to make thin-walled lids and cups and have good environmental stress crack resistance and Gullwing Tear properties.

REFERENCES:
patent: 5015511 (1991-05-01), Taybig et al.

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