Preparation and Performance Characterization of High Resistance Environmental Stress Cracking Polyethylene Blow Molding Material
The mechanical properties and environmental stress cracking resistance of polyethylene blow molding material are crucial for the quality of blow-molded products,affecting the safe long-term use of blow-molded products.Ethylene-butene copolymer blow molding material prepared by using Ziegler-Natta catalyst was used as the base material,the mechanical properties and environmental stress cracking resistance of polyethylene blow molding material were simultaneously improved by blending with ultra-high molecular weight polyethylene,polyethylene wax,calcium stearate,and other additives,reaching the level of imported metallocene ethylene-butene copolymer blow molding material.In terms of environmental stress cracking resistance,it had surpassed the imported metallocene ethylene-butene copolymer blow molding material,and had good compatibility in the blend.
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