ABSTRACT OF THE DISCLOSURESeveral important properties including environ-mental stress crack resistance of styrene polymer/thermo-plastic elastomer polyblends are significantly enhancedby incorporation in the SP/TE polyblend a thermally--activable, organic peroxide in combination with anoptimizing crosslinking supplement. Besides improvingenvironmental stress crack resistance, the tensilestrength, elongation and toughness are also significantlyameliorated in the SP/TE polyblends.
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