SOFT, HIGH-TEMPERATURE-RESISTANT BLENDS OF POLYETHYLENE ALKYL ACRYLATE) COPOLYMERS AND POLYPROPYLENE

摘要

Blends of low melt index ethylene alkyl acrylate copolymers with polypropylene give a good combination of low hardness and high upper service temperature. The PP is the minor component, but due to the viscosity ratio of the polymers approaches a co-continuous phase. Of particular advantage are acrylate copolymers produced on a tubular reactor due to the compositional heterogeneity which gives improved compatibility with PP.