以羽毛纤维为填料,环氧树脂为基体,采用热固化成型方法制备了羽毛纤维/环氧树脂复合材料,研究了复合材料的力学性能、动态力学性能和热性能。结果表明:羽毛纤维与环氧树脂之间的化学反应使界面作用增强。复合材料的冲击强度随着羽毛纤维含量的增大先增大后减小,当羽毛纤维含量为2%(质量分数)时,复合材料韧性达到最大值。随着羽毛纤维含量的增加,复合材料的弯曲强度、弯曲模量和储能模量先增加再降低。羽毛纤维的填充使复合材料的玻璃化转变温度提高,复合材料的热稳定性增强。羽毛纤维对环氧树脂的增强增韧作用,为废弃羽毛的有效使用提供了新的思路。
In order to utilize poultry feathers effectively and prepare high-performance composite materials,feather fiber/epoxy resin(EP) composites were prepared by thermal curing with feather fiber as filler and EP as matrix.The mechanical,dynamic mechanical and thermal properties of the composites were studied.The results showed that the chemical reaction between feather fiber and EP enhanced the interfacial interaction.The impact strength first increased and then decreased with the increase of feather fiber content.When the fiber content was 2%,the toughness reached the maximum value.With the increase of feather fiber content,the flexural strength,flexural modulus and storage modulus of the composites increased first and then decreased.The filling of feather fibers increased the glass transition temperature and the thermal stability of the composites.The strengthening and toughening effect of feather fibers on EP can provide a possible choice for the effective use of abandoned feathers.
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基金资助
聚合物复合材料及功能材料教育部重点实验室开放课题(PCFM-2017-05);广东省教育厅高等教育“创新强校”工程专项资金(KA1514977)
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