腰果壳油改性酚醛纤维的制备及性能研究Preparation and Properties of Cashew Nut Shell Liquid Modified Phenolic Fibers
赵丽红,史景利,翟更太,张东卿,郭全贵,刘朗
ZHAO Li-hong1,2,SHI Jing-li1,ZHAI Geng-tai1,ZHANG Dong-qing1,2
摘要(Abstract)：
以腰果壳油改性酚醛树脂为原料,采用熔融纺丝法制备出腰果壳油改性酚醛纤维。通过力学性能测试及TG、SEM、FT-IR等分析表征手段,对改性后纤维的结构和性能进行了研究。结果表明:改性后的纤维与普通酚醛纤维一样,其表面光滑,截面结构均匀、致密。通过合成、固化过程中的缩聚反应,腰果壳油的柔性脂肪长链引入了酚醛体系中,因此,腰果壳油改性酚醛属化学改性。与纯酚醛纤维相比,改性后的纤维断裂伸长有了明显的提高,韧性得到了增加;与此同时,残炭率和热稳定性仅有轻微的降低。
Phenolic fibers modified by cashew nut shell liquid had been prepared.TG,IR spectroscopy,and scanning electron microscopy were employed to characterize the structure and performance of the modified fibers.The addition of cashew nut shell liquid could improve the elongation and toughness of modified fibers,the carbon yield and thermal stability were reduced a little.
关键词(KeyWords)：
腰果壳油;酚醛纤维;韧性
cashew nut shell liquid,phenolic fibers,toughness
基金项目(Foundation):
作者(Author):
赵丽红,史景利,翟更太,张东卿,郭全贵,刘朗
ZHAO Li-hong1,2,SHI Jing-li1,ZHAI Geng-tai1,ZHANG Dong-qing1,2
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