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首页> 美国卫生研究院文献>Polymers >Thermoset Polymer Matrix Composites of Epoxy Unsaturated Polyester and Novolac Resin Embedding Construction and Demolition Wastes powder: A Comparative Study
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Thermoset Polymer Matrix Composites of Epoxy Unsaturated Polyester and Novolac Resin Embedding Construction and Demolition Wastes powder: A Comparative Study

机译：热固性聚合物基质复合材料的环氧树脂不饱和聚酯和酚醛清漆树脂嵌入结构和拆迁废弃物：比较研究

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摘要

Composite materials that consisted of a polymer resin as matrix (PMCs), filled using construction and demolition (C&D) wastes powder of different grain sizing in micro-scale were manufactured and studied. Three different kinds of resins were used as the matrix for the purposes of this study. More specifically, composites made of epoxy and unsaturated polyester resins purchased from the market and phenolic resin (novolac) laboratory synthesized, were produced. The morphological and elemental analysis of these materials was performed through scanning electron microscopy (SEM), energy dispersive X-ray spectroscopy (EDX), and X-ray diffraction (XRD). Additionally, mechanical performance and thermal insulating efficiency of these materials were examined through bending and shear strength tests according to the three-point method and via determination of the thermal conductivity coefficient λ. C&D wastes have undergone the appropriate processing in order to prepare filling products of the required granular size in pulverized form. In this research study, construction and demolition waste-based thermosetting polymer composites were produced with flexural strength in the range 20–60 MPa, shear strength in between 1–8 MPa, and thermal conductivity coefficients in the range of 0.27–1.20 W/mK. The developed materials embedded 30–50% w/w C&D wastes, depending on the resin used as the matrix.
机译：由聚合物树脂作为基质（PMC）组成的复合材料，使用构造和拆除（C＆D）浪费了不同晶粒尺寸的微级粉末，并研究。为了本研究的目的，使用三种不同种类的树脂作为基质。更具体地，制备由市场和酚醛树脂（Novolac）实验室购买的环氧树脂和不饱和聚酯树脂制成的复合材料。通过扫描电子显微镜（SEM），能量分散X射线光谱（EDX）和X射线衍射（XRD）进行这些材料的形态学和元素分析。另外，通过根据三点法和通过确定导热系数λ通过弯曲和剪切强度试验检查这些材料的机械性能和绝热效率。 C＆D废物经历了适当的处理，以便在粉碎形式制备所需颗粒尺寸的填充产物。在该研究中，在20-60MPa，剪切强度的范围内，抗弯曲强度在1-8MPa的范围内产生施工和拆卸废物的热固性聚合物复合材料，在0.27-1.20w / mk的范围内的剪切强度。 。发发材料嵌入30-50％w / w c＆d废物，取决于用作基质的树脂。

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