Przemysl Chemiczny, Vol.97, No.12, 2038-2039, 2018
Effect of shear forces on the crystallization of isotactic polypropylene
Com. isotactic polypropylene was crystallized at 138-142 degrees C under shear stress 1.5-6 s(-1) for 1200 s. The spherolites growth rate showed a flat max. above 0.6 mm/s at shear rate 1.5 s(-1.)