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Preparation and testing of local polyester composites based on unsaturated polyesters as binder

机译:基于不饱和聚酯作为粘结剂的局部聚酯复合材料的制备和测试

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AbstractA series of polymeric composites were prepared with sand/polyester ratio 92:8. The sand used was local one. The polymeric composites were tested for their compressive strength, exterior volume, porosity, water uptake, specific gravity, volume of open pores and bulk density. The mechanical properties of these polymeric composites were within the range required for building bricks. No significant differences were observed between the polymeric composites made of glass sand and those from untreated sand except in exterior volume and compressive strength. Medium untreated sand was found to give better results in the mechanical properties.
机译:摘要制备了砂聚酯比例为92:8%的一系列高分子复合材料。使用的沙子是当地的。对聚合物复合材料的抗压强度、外部体积、孔隙率、吸水率、比重、开放孔隙体积和堆积密度进行了测试。这些聚合物复合材料的力学性能在建筑砖所需的范围内。玻璃砂聚合物复合材料与未经处理的砂聚合物复合材料之间没有观察到显著差异,除了外部体积和抗压强度。发现中等未经处理的砂在机械性能方面具有更好的效果。

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