TPU/EVA共混物混炼工艺的研究 |
Study on mixing procedure of TPU/EVA blend |
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DOI: |
中文关键词: 热塑性聚氨酯弹性体 乙烯-乙酸乙烯酯共聚物 共混物 混炼工艺 |
英文关键词: TPU EVA blend mixing procedure |
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中文摘要: |
采用转矩硫化仪考察填料种类和用量、混炼初始温度、混炼时间和转子转速对热塑性聚氨酯(TPU)/乙烯-乙酸乙烯酯共聚物(EVA)共混物性能的影响。结果表明,与炭黑填充TPU/EVA共混物相比,白炭黑填充胶料的混炼效果和拉伸性能较好,白炭黑最佳用量为30份;TPU/EVA共混物的优化混炼条件为:混炼初始温度 160 ℃,混炼时间 10~15 min,转子转速 45 r·min-1。 |
英文摘要: |
The influence of filler type,filler level,the initial mixing temperature,mixing time and rotor speed on the properties of TPU/EVA blend was investigated by using a torque rheometer.It was shown that,compared to TPU/EVA blend filled with carbon black,TPU/EVA blend filled with silica possessed better mixing effect and higher tensile properties,and the optimal silica level was 30 phr;the optimized mixing conditions of TPU/EVA blend were as follows:initial mixing temperature at 160 ℃,mixing time of 10~15 min,and rotor speed at 45 r·min-1. |
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