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在线型全密度聚乙烯装置上开发和生产了滚塑专用树脂MLPE-8060,并对工业化产品进行了性能测试及加工应用。MLPE-8060在冷凝态模式操作下实现稳定生产以及熔体流动速率、密度等指标的精确控制。结果表明:MLPE-8060的各项性能指标达到进口专用树脂水平,具有较高的拉伸断裂应力及冲击强度;其加工成型性、耐侯性等都能满足厂家要求,作为改性基础树脂也能满足使用要求。
We developed and produced MLPE-8060, a rotomolding-specific resin, on an on-line, full-density polyethylene unit and tested and processed industrial products for performance. MLPE-8060 in the condensing mode operation to achieve stable production and melt flow rate, density and other indicators of precise control. The results showed that the properties of MLPE-8060 reached the level of imported special resin with high tensile strength at break and impact strength. The processability, weatherability and so on of MLPE-8060 all met the requirements of manufacturers. As a modified base resin, Meet the requirements.