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A study of industrial lime sludge waste as filler in hybrid polymeric composites

机译：杂交聚合物复合材料中工业石灰污泥废物的研究

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Industrial lime sludge waste is an environmental hazard,which is usually disposed in dump yards causing pollution.This study aims to increase the viability of lime sludge(LS)by using it as filler in hybrid polymeric composites.Study of the mechanical properties of LS filled high density polyethylene(HDPE)and maleic anhydride grafted high density polyethylene(MAPE)revealed better properties of MAPE due to effective interfacial bonding at the filler-matrix boundary owing to the presence of maleic anhydride compatibilizer.LS also proved to be an effective reinforcing filler in case of short coir fibre-epoxy hybrid composites,thereby increasing their tensile strengths upon filler loading up to 9 wt %.LS improved thermal stability of the LS-coir-epoxy hybrid composites by increasing the thermal degradability and residual wt.%.However,it is observed that the addition of coir and LS in composites increased the water absorption rate of the composites significantly.Nevertheless,lime sludge proves to be an efficient filler in polymeric composites which would not only decrease pollution but also manufacturing cost of polymeric composites.
机译：工业石灰污泥废物是一种环境危害，通常在倾倒码中引起污染。本研究旨在通过将其作为填料中的杂交聚合物复合材料中的填充剂增加了石灰污泥（LS）的活力。LS的机械性能填充的机械性能高密度聚乙烯（HDPE）和马来酸酐接枝的高密度聚乙烯（MAPE）显示出由于马来酸酐增容剂的存在而在填料 - 基质边界处的有效界面键合的更好的性能.LS也被证明是一种有效的增强填料在短期纤维 - 环氧混合复合材料的情况下，通过增加热降解性和残留的重量％，从而增加了填料负载量高达9wt％的拉伸强度，提高了LS-CoIr-环氧混合复合材料的热稳定性。然而，观察到，在复合材料中加入益官和LS显着增加了复合材料的吸水率。无论如何，石灰污泥省ES是聚合物复合材料中的有效填料，其不仅可以减少污染，而且是聚合物复合材料的制造成本。

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