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首页> 美国卫生研究院文献>Polymers >Green Composites Based on Unsaturated Polyester Resin from Recycled Poly(Ethylene Terephthalate) with Wood Flour as Filler—Synthesis Characterization and Aging Effect
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Green Composites Based on Unsaturated Polyester Resin from Recycled Poly(Ethylene Terephthalate) with Wood Flour as Filler—Synthesis Characterization and Aging Effect

机译：基于不饱和聚酯树脂的绿色复合材料从再生聚（乙二醇酯）用木粉作为填充合成表征和老化效应

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The paper investigates the synthesis of green composites and their properties before and after the laboratory accelerated aging tests. Materials were made of unsaturated polyester resins (UPRs) based on recycled poly(ethylene terephthalate) (PET) and wood flour (WF). The effect of dibenzylideneacetone (dba) addition on mechanical and thermomechanical properties was also determined. Green composites were obtained using environment friendly polymeric cobalt as an accelerator. Before and after exposition to the xenon lamp radiation, the UPRs physically modified by WF were characterized only by a greater flexural modulus compared with the analogous composites based on the pure resin. Addition of dba caused the increase of flexural modulus, flexural strength, strain at break and mechanical loss factor compared to the non-modified material. After aging only the last mentioned parameter took on lower values compared to the pure resin analogues.
机译：本文在实验室加速老化试验之前和之后研究了绿色复合材料的合成及其性质。基于再生的聚（乙二醇酯）（PET）和木粉（WF）制成的材料由不饱和聚酯树脂（UPR）制成。还测定了二苄基琥珀酸酯（DBA）对机械和热机械性能的影响。使用环保聚合物钴作为加速器获得绿色复合材料。在阐述氙灯辐射之前和之后，通过基于纯树脂的类似复合材料相比，通过WF物理改性的UF的uPRS表征。与未改性材料相比，DBA的添加导致弯曲模量，弯曲强度，脉冲损伤因子的增加。老化后，与纯树脂类似物相比，上次提到的参数采用较低的值。

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