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LOWER-COST, LIGTHER AND GREENER POLYPROPYLENE-BASED BIOCOMPOSITES FOR INDUSTRIAL APPLICATIONS

机译:用于工业应用的低成本,脱脂和绿色聚丙烯基生物复合材料

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This paper discloses the viability of the formulation, processing, and performance of advanced biocomposites and bioblends based on polypropylene (PP) designed for industrial manufacturing. The PP was compounded with three different types of cellulosic fibers, in a bioblends with polylactide (PLA) as bio-sourced polymer, and in PP/PLA/cellulosic biocomposites. These biomaterials were characterized in terms of morphology, mechanical and thermal properties. Tensile strength, tensile modulus, and the heat deflection temperature of the bioblends and the biocomposites presented at least equivalent values comparing with virgin PP and with PP current industrial grades. The extruded biocomposites, foamed in injection molding process, presented similar properties as the unfoamed and reference counterparts while being up to 25 wt.% lighter, up to 50% less expensive, and up to 50% greener.
机译:本文公开了先进生物复合材料的配方,加工和性能的可行性,基于为工业制造为设计的聚丙烯(PP)的生物骨塑和生物卷发。将PP用三种不同类型的纤维素纤维混合,其中具有聚酰胺(PLA)作为生物源聚合物,以及PP / PLA /纤维素生物复合材料。这些生物材料的特征在于形态,机械和热性能。张力强度,拉伸模量和生物骨质的热偏转温度和生物复合材料的至少相同的值与Virgin PP和PP电流工业等级相比。挤出的生物复合材料,在注塑过程中发泡,呈现出类似的性质,作为未发泡和参考对应物,同时高达25重量%。%较轻,昂贵较低,昂贵的50%,更加绿色。

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