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Surface free energy of composite materials with high calcium carbonate filler content

机译：具有高碳酸钙填料含量的复合材料的表面自由能

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摘要

The adhesive properties of ternary composites based on middle density polyethylene (PE-MD) and isotactic polypropylene (i-PP) with high content (48-64 wt %) of inorganic fillers were studied. As fillers two kinds of calcium carbonate were used. Two fillers differed in their fineness degree and one of them had also stearic acid modified surface. It was stated that the kind and amount of filler affect mean value and scatter of surface free energy (gamma(s)) as well as its polar and dispersive components. More stable adhesive properties were observed for composites with stearic acid modified filler.
机译：研究了中密度聚乙烯（PE-MD）和等规聚丙烯（i-PP）三元复合材料与高含量（48-64 wt%）无机填料的粘接性能。使用两种碳酸钙作为填料。两种填料的细度不同，其中一种还具有硬脂酸改性表面。指出填料的种类和数量影响表面自由能（γ（s））的平均值和散射，以及其极性和色散成分。硬脂酸改性填料的复合材料具有更稳定的粘接性能。

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