POLYETHERIMIDE-POLYSULFIDE BLENDS

摘要

Blends of (a) a polyetherimide and (b) a polysulfide. The blends have good flexural strength regardless of the relative proportions of the components of the blend and have generally higher mechanical properties than those associated with the polysulfide component of the blend. In an example 90 parts of a polyetherimide prepared from essentially equimolar amounts of 2,2-bis-[4(3,4-dicarboxyphenoxy)phenyl] propane dianhydride and M-phenylene diamine were mixed with 10 parts of polyphenylene sulfide powder, extruded into pellets and injection molded at about 329C into test specimens.