Citation: HOU Canshu, LI Jihong, WANG Yinghan, CHEN Yongrong, WANG Ling. RHEOLOGICAL BEHAVIOR OF POLYPHENYLENE SULFIDE/POLYAMIDE-66 BLENDS*[J]. Chinese Journal of Polymer Science, ;1996, 14(3): 225-232. shu

RHEOLOGICAL BEHAVIOR OF POLYPHENYLENE SULFIDE/POLYAMIDE-66 BLENDS*

Received Date: 10 April 1995

Blends of polyphenylene sulfide (PPS) containing trace amounts of branching and/orcross-linking in chain and Polyamide-66(PA-66) have been prepared by melt blending. Therheological behavior of PPS/PA-66 blends has been studied by means of capillary rheo-meter, and compared with PPS. The effects of shear rate, shear stress and temperature onthe flow of PPS/PA-66 blends and PPS are discussed. The non-Newtonian indexes andthe activation energies of viscous flow are obtained. The results show that the apparent viscosity of PPS/PA-66 blends is not sensitive to shear rate and stress,but decreases with the elevation of temperature.On the contrary,the apparent viscosity of the PPS decreases obviously with the increasing of shear rete and shear stress,but it is increased by the elevation of temperatue.
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