Thermoformable polypropylene-based sheet

Details Thermoformable polypropylene-based sheet Thermoformable polypropylene-based sheet

1992-04-14

1994-05-10

Sluby, P. C.

Stock material or miscellaneous articles

Compacted trash or refuse bundle

428213, 428216, 428 366, 428 357, 428 3692, 428516, 426127, B65D 7100, B32B 702, B32B 2732

Patent

active

053105842

ABSTRACT:
The invention provides a thermoformable sheet comprising a resinous polymer of propylene and an effective amount of a beta-spherulite nucleating agent, a process for making the sheet and articles thermoformed from the sheet.

REFERENCES:
patent: 4386129 (1983-05-01), Jacoby
patent: 4405667 (1983-09-01), Christensen et al.
patent: 4419411 (1983-12-01), Park
patent: 4567089 (1986-01-01), Hattori et al.
patent: 4680157 (1987-07-01), Fujii et al.
patent: 4975469 (1990-12-01), Jacoby et al.
Makromol. Chem. 109, Effect of Crystal Structure and Overstructure on Some Properties of Polypropylene by Hans Joachim Leugering.
A Thermal Study of .beta.-Form Polypropylene by A. A. Duswalt & W. W. Cox.

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