The morphology and properties of HDPE blends with zinc-neutralized sulfonated EPDM (Zn-SEPDM) and glyptal resin (GR) were studied through SEM, TEM, and mechanical property test. The results show that as Zn-SEPDM/GR content amounts to 20, the blend becomes an interpenetrating polymer network in structure, and that a rather high impact and tensile strength of HDPE may be obtained after blending. The antistatic effect, the softening point, and heat distortion temperature of the blend are higher as compared to HDPE/Zn-SEPDM/ZnSt (zinc stearate).
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