Crystalline propylene polymers having high melt flow rate values

Details Crystalline propylene polymers having high melt flow rate values Crystalline propylene polymers having high melt flow rate values

1994-07-05

1995-12-19

Nakarani, D. S.

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

Synthetic resins

Polymers from only ethylenic monomers or processes of...

526 90, 526348, 526209, 526351, 525240, 525242, 525245, 525258, C08F11006, C08L 2304

Patent

active

054769116

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), Albizzati et al.
patent: 4978648 (1990-12-01), Barbe et al.

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