Particulation of a metastable syrup

Details Particulation of a metastable syrup Particulation of a metastable syrup

1995-04-17

1996-05-07

Jagannathan, Vasu S.

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

Synthetic resins

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

525 53, 525198, 525316, 528502, C08F27902

Patent

active

055147500

ABSTRACT:
A post inversion metastable syrup comprising a continuous or co-continuous rubber like composite phase and a discontinuous or co-continuous resin phase may be particulated by the application of a shear field to yield a stable syrup comprising a dispersed rubber-like composite phase and a continuous resin phase. The application of a uniform shear field to the post inversion metastable syrup is particularly desirable since it results in a high degree of control over the size and distribution of the dispersed rubber-like composite phase. As a result it is possible to optimize the particle size distribution in an impact modified thermoplastic and obtain better or a better balance of properties. The present invention also provides in cooperating arrangement reactors or devices to produce a post inversion metastable syrup, a device to subject the roetastable syrup to a shear field and a polymerization plant.

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