纺织浆料的吸湿与放湿规律

纺织学报 ›› 2016, Vol. 37 ›› Issue (3): 72-77.

纺织浆料的吸湿与放湿规律

收稿日期:2015-03-26 修回日期:2015-08-27 出版日期:2016-03-15 发布日期:2016-03-16

Moisture absorption and liberation regularities of textile sizes

Received:2015-03-26 Revised:2015-08-27 Online:2016-03-15 Published:2016-03-16

摘要/Abstract

摘要：

通过研究纺织浆料的吸放湿规律，为织造车间相对湿度的设定提供理论参考。依据国标采用烘箱干燥法系统研究了淀粉类浆料、聚乙烯醇（PVA）类浆料及聚丙烯酸类浆料在不同相对湿度下的吸湿与放湿规律，从结构上分析了各类浆料吸放湿规律差异的原因。结果表明：在同一相对湿度下，聚丙烯酰胺的吸湿性最好，淀粉类浆料的吸湿性好于PVA浆料、聚丙烯酸酯的吸湿性最差，对湿度不敏感；淀粉类浆料和聚丙烯酰胺浆料放湿平衡回潮率高于其它浆料。相对湿度为56%时的吸湿平衡回潮率与放湿平衡回潮率的研究结果表明，纺织浆料均存在吸湿滞后性。

关键词: 吸湿性, 吸湿速率, 放湿曲线, 回潮率

Abstract:

The moisture absorption and liberation regularities of textile sizes was studied to provide theoretical basis for setting up the relative humidity in weaving workshop. According to the national standards, the oven drying method was used to analysis the moisture absorption and liberation regularities of starch size, polyrinyl alcohol (PVA ) and polyacrylic acid sizes. The differences of moisture absorption and liberation regularities among the sizes were also analyzed from their structures. The reslts show that for the moisture absorption performance at the same relative humidity, the polyacrylamide is the best, the starch is better than PVA, and polyacrylate is the worst. It means that polyacrylate is not sensitive to humidity. The liberation regularities of variety sizes show that starch size and polyacrylamide have higher moisture regains. The final moisture absorption regains and liberation regains of sizes under the relative humidity of 56% indicate that absorption hysteresis exists.

Key words: moisture absorption property, moisture absorption rate, moisture liberation curve, moisture regain

武海良姚一军沈艳琴 . 纺织浆料的吸湿与放湿规律[J]. 纺织学报, 2016, 37(3): 72-77.

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