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caustic treatment
    Influence of Slack Caustic Treatment on Structure and Properties of Natural Bamboo Fibers
    松驰式烧碱处理对天然竹纤维结构和性能的影响
    Extracting Natural Bamboo Fibers from Crude Bamboo Fibers by Caustic Treatment
    烧碱处理法从粗竹纤维中提取天然竹纤维
    It is well known that caustic treatment can change the structure and properties of natural cellulosic fibers. But the influence of caustic treatment on the structure and properties of natural bamboo fibers for textile purposes has not been reported.
    烧碱处理可以改变天然纤维素纤维的结构和性能,烧碱处理对纺织用天然竹纤维的结构和性能的影响尚未见报道,研究天然竹纤维烧碱处理后结构和性能的变化对天然竹纤维的化学加工具有指导意义。
    The research on the changes in the structure and properties of natural bamboo fibers subjected to caustic treatment is of importance for chemical processing of natural bamboo fibers. In the present research, the influence of slack caustic treatment on the morphological and crystalline structure and thermal behavior of natural bamboo fibers was investigated by SEM, FT-IR, WAXD, TGA and DSC analyses.
    本研究采用扫描电子显微镜(SEM)、傅立叶红外光谱(FT-IR)、广角X-射线衍射(WAXD)以及热重分析(TGA)和差示扫描量热分析(DSC)研究了松弛式烧碱处理对天然竹纤维形态结构、结晶结构和热性能的影响,并测定了天然竹纤维和碱处理竹纤维的强伸度、吸湿性和染色性能。
    The concentration of caustic soda during slack caustic treatment has great influence on the structure and properties of natural bamboo fibers. The concentration of 130 g/L is a turning point at which the obvious changes in the structure and properties of bamboo fibers occur.
    烧碱处理的碱浓度对天然竹纤维的结构和性能影响极大,130g/L的烧碱浓度是纤维结构和性能发生变化的重要转折点。
    After the slack caustic treatment, the bamboo fibers are swollen, the central hole or lumen becomes small, and the crystallinity is reduced.
    天然竹纤维经松弛式烧碱处理后,纤维膨胀,中腔变小,纤维的结晶度和结晶指数均下降;
    The content of soybean protein remained in the fibers subjected to caustic treatment had good linear relationships with the weight loss of fibers and the absorbance ratios of the amide I and amide II peak of soybean protein to the peak at 849cm-1, which could be applied to analyze the soybean protein.
    大豆蛋白含量与烧碱处理纤维的失重率之间,以及红外光谱中大豆蛋白酰胺Ⅰ、酰胺Ⅱ与849cm-1处聚乙烯醇骨架的特征吸收峰的吸收强度比之间,均存在良好的线性关系,这些关系可应用于大豆蛋白含量的检测和分析。
 

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