Method for determining flow behavior index and using index to co

Details Method for determining flow behavior index and using index to co Method for determining flow behavior index and using index to co

1990-01-09

1991-02-12

Schofer, Joseph L.

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

Synthetic resins

Processes of preparing a desired or intentional composition...

73 54, 73 55, 137 4, 137 92, C08J 300, G01N 1104

Patent

active

049924877

ABSTRACT:
Process and apparatus for on-line determination and control of the Flow Behavior Index of a molten polymer stream are disclosed along with methods for using the Index as a means for monitoring and controlling polymer quality. In particular, the Index may be used to monitor and control on-line the levels of branching in the polymer and the polymer's molecular weight distribution.

REFERENCES:
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patent: 3938369 (1976-02-01), de Bok
patent: 4213747 (1980-07-01), Friedrich
patent: 4726219 (1988-02-01), Pearson et al.
patent: 4735779 (1988-04-01), Handel
patent: 4792908 (1988-12-01), Brantley, Jr.
patent: 4817416 (1989-04-01), Blanch et al.

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