Particulation of a metastable syrup

Details Particulation of a metastable syrup Particulation of a metastable syrup

C - Chemistry, Metallurgy

08

J

C08J 3/00 (2006.01) C08F 279/02 (2006.01) C08F 287/00 (2006.01) C08F 291/02 (2006.01)

Patent

CA 2127140

PARTICULATION OF A METASTABLE SYRUP ABSTRACT OF THE INVENTION 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 metastable syrup to a shear field and a polymerization plant. -1-

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