Processing of bimodal polymers

Details Processing of bimodal polymers Processing of bimodal polymers

2003-04-22

2009-02-10

Jagannathan, Vasu (Department: 1796)

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

Synthetic resins

Treating polymer containing material or treating a solid...

C528S501000, C528S50200C, C528S50200C, C528S490000, C528S481000, C523S307000, C523S340000, C523S347000, C525S240000

Reexamination Certificate

active

07488790

ABSTRACT:
The present invention discloses the use of a supercritical fluid to improve the homogeneity of heterogeneous bi- or multi-modal resins resulting from a physical or a chemical blend of two or more fractions of the same type of polymer resin, said fractions having different molecular weights or of two or more polymer resins having different chemical compositions, or both. It also discloses the use of a supercritical fluid to improve the dispersion of additives or fillers into a polymer resin. It further discloses the process for preparing the homogeneous resin.

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