Fluoroelastomer process aid contains polyalkylene oxide and...

Details Fluoroelastomer process aid contains polyalkylene oxide and... Fluoroelastomer process aid contains polyalkylene oxide and...

2009-05-20

2011-11-08

Lipman, Bernard (Department: 1762)

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

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

C525S200000

Reexamination Certificate

active

08053526

ABSTRACT:
A process aid for improving the processability of non-fluorinated melt processible polymers contains a fluoroelastomer having a Mooney viscosity (ML (1+10) at 121° C.) between 30 and 100 and at least two interfacial agents, one a polycaprolactone having a Mn between 2000 and 8000 and the other a polyalkylene oxide having a Mn between 3000 and 5000.

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