Fibers produced from crystalline propylene polymers having high

Details Fibers produced from crystalline propylene polymers having high Fibers produced from crystalline propylene polymers having high

1995-05-12

1996-06-25

Thibodeau, Paul J.

Stock material or miscellaneous articles

Composite

Of addition polymer from unsaturated monomers

525240, 525242, 525253, 526 90, 5261246, 526209, 526348, 526351, B32B 2700, C08F11006

Patent

active

055298508

ABSTRACT:
Crystalline propylene polymers having P.I. values lower than or equal to 3.7, and having, at an MFR (Melt Flow Rate) ranging from 600 to 1000 g/10 min., an Mw value from 100,000 to 60,000, and at a MFR ranging from 1000 to 2000 g/10 min., an Mz value higher than or equal to 140,000, are obtained by way of polymerization with specific supported catalysts.

REFERENCES:
patent: 4665118 (1987-05-01), Bourland
patent: 4971937 (1990-11-01), Albuzzati et al.
patent: 4978648 (1990-12-01), Barbe et al.
patent: 5427845 (1995-06-01), Sawyer et al.

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