氙灯老化对无铬鞋面革耐汗性能的影响
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摘要
鞋面革在使用过程中受到汗液的浸渍,引起稳定性发生变化。采用氙灯光源模拟太阳光对无铬鞣革进行0、50、100和150 h老化试验研究,使用碱性人造汗液对其进行浸泡,考察革的面积变化率、汗浸出物量和汗浸出液p H值来反映其在使用过程中耐汗性能的变化。与照射前对比发现:革的面积变化率、汗浸出液p H值随老化时间的延长而下降,而汗浸出物量上升。
Due to the inevitably effect of perspiration, upper leather can cause the changes of stability in use process.Using Xe-lamp to simulate sunlight on chrome-free leather for aging test, respectively, 0, 50, 100 and 150 hours. Then the samples were immersed in alkaline artificial perspiration solution to study the area change percentage, the amount of extracts, the p H of leach liquor for reflect the changes of perspiration resistance. Compared to non-irradiated samples, it can be found that the area change percentage and the p H of leach liquor were all decreased over aging time, while the amount of extracts of all samples were increased after aging.
Due to the inevitably effect of perspiration, upper leather can cause the changes of stability in use process.Using Xe-lamp to simulate sunlight on chrome-free leather for aging test, respectively, 0, 50, 100 and 150 hours. Then the samples were immersed in alkaline artificial perspiration solution to study the area change percentage, the amount of extracts, the p H of leach liquor for reflect the changes of perspiration resistance. Compared to non-irradiated samples, it can be found that the area change percentage and the p H of leach liquor were all decreased over aging time, while the amount of extracts of all samples were increased after aging.
引文
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[2]李瑞,李冬灵,杨萌,等.氙灯老化对无铬鞋面革物理性能的影响[J].皮革科学与工程,2015,25(3):62-66.
[3]杨萌,李瑞,单志华,等.常用无铬鞣法的应用[J].皮革科学与工程,2015,25(2):18-22.
[4]GB/T 14576-2009,《纺织品色牢度实验耐光、汗复合色牢度》[S].
[5]刘京龙,王芳,涂连梅,等.汗液浸泡对皮革性能的影响[J].中国皮革,2005,34(3):8-9.
[6]阿作金曲,安勋,张宗才,等.人造汗液浸泡对鞋面革柔软度的影响[J].皮革科学与工程,2009,19(5):42-44.
[7]戴新华.皮革的耐汗性实验[J].皮革科学与工程,1990,(1):16-20.
[8]李冬灵,单志华,杨萌,等.植-醛结合鞣法刚性模块耐老化性研究[J].中国皮革,2014,43(13):27-30.
[9]单志华.制革化学与工艺学(下册)[M].北京:科学出版社,2005,87-91.
[10]廖学品,孙丹红,石碧,等.从价键理论到协同单元理论——鞣制机理的发展[J].中国皮革,2002,31(13):18-22.
[11]罗晓民,丁绍兰,周庆芳.皮革理化分析[M].北京:中国轻工业出版社,2013:346-347.
[12]蒋小良.温度对皮革水萃取液p H值测定影响的探讨[J].西部皮革,2014,36(8):32-35.
[13]张宜恒,陈琦,张燏,等.甲醛光催化氧化的ESR研究[J].化学物理学报,1998,11(5):461-464.