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首页> 美国卫生研究院文献>Polymers >Maleinized Linseed Oil as Epoxy Resin Hardener for Composites with High Bio Content Obtained from Linen Byproducts
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Maleinized Linseed Oil as Epoxy Resin Hardener for Composites with High Bio Content Obtained from Linen Byproducts

机译：亚麻副产品获得的马来酸亚麻籽油作为环氧树脂固化剂，用于高生物含量复合材料

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Green composites, with more than 78 wt.% of products obtained from linen Linum usitatissimum, were developed in this research work. Epoxidized linseed oil (ELO) was used as bio-based resin, a mix of nadic methyl anhydride (MNA) and maleinized linseed oil (MLO) were used as cross-linkers and finally, flax fabrics were used to obtain composite laminates by resin transfer molding (RTM). The flax fibers were modified using amino-silane, glycidyl-silane and maleic anhydride treatment in order to increase the compatibility between lignocellulosic fibers and the polymeric matrix. Mechanical and thermal properties were studied by flexural, tensile and impact test, as well as dynamic mechanical analyses (DMA) to study the viscoelastic behavior. Contrary to what could be expected, when fibers are previously treated in presence of MLO, a reduction of anchorage points is obtained causing a substantial increase in the ductile properties compared with composites without previous fiber treatment or without MLO.
机译：在这项研究工作中，开发了绿色复合材料，其中有超过78 wt。％的产品来自亚麻亚麻（Linum usitatissimum）。环氧化亚麻籽油（ELO）被用作生物基树脂，纳迪克酸酐（MNA）和马来酸亚麻籽油（MLO）的混合物被用作交联剂，最后，亚麻织物被用于通过树脂转移获得复合层压板成型（RTM）。使用氨基硅烷，缩水甘油基硅烷和马来酸酐处理对亚麻纤维进行改性，以增加木质纤维素纤维与聚合物基质之间的相容性。通过弯曲，拉伸和冲击测试以及动态力学分析（DMA）研究了机械和热性能，以研究粘弹性行为。与可以预期的相反，当纤维事先在存在MLO的情况下进行处理时，与未进行纤维处理或未进行MLO的复合材料相比，锚固点的减少导致了延展性能的大幅提高。

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