单双面拒水整理对纸尿裤纯棉面层性能的影响
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摘要
对面密度为38 g/m~2的纯棉水刺非织造材料分别进行单面和双面拒水整理,单面拒水整理采用喷雾器向上喷涂的方式,双面拒水整理采用一浸一轧方式。通过扫描电子显微镜表征以及透气性、接触角和纸尿裤面层性能测试,对经过单双面拒水整理的材料进行对比研究,并探究网孔大小对纸尿裤面层性能的影响。结果表明:单面喷雾拒水整理材料的透气性、滑移量、返湿量、液体穿透时间优于双面浸渍拒水整理材料,单面喷雾拒水整理的最佳时间为20 s;在喷雾整理过程中,应该选用合适的网孔大小以达到最佳的使用效果。
The 38 g/m~2 pure cotton spunlace nonwoven fabric was subjected to one-side and doubleside water-repellent finishing by using a sprayer for single-side water-repellent finishing,and one-dipone-rolling way for double-side water-repellent finishing. Scanning electron microscopy characterization,gas permeability test,contact angle test,and diaper surface performance test were used to compare the properties of single-side and double-side materials,and explore the effect of mesh sizes on the performance of the diaper. The results show that the air permeability,slip amount,moisture return and liquid penetration time of single-side spray water-repellent finishing are better than those of double-side impregnation water-repellent finishing. The optimal time for single-side one is 20 s. In the process of spray finishing,the appropriate mesh size should be selected to achieve the best effect.
The 38 g/m~2 pure cotton spunlace nonwoven fabric was subjected to one-side and doubleside water-repellent finishing by using a sprayer for single-side water-repellent finishing,and one-dipone-rolling way for double-side water-repellent finishing. Scanning electron microscopy characterization,gas permeability test,contact angle test,and diaper surface performance test were used to compare the properties of single-side and double-side materials,and explore the effect of mesh sizes on the performance of the diaper. The results show that the air permeability,slip amount,moisture return and liquid penetration time of single-side spray water-repellent finishing are better than those of double-side impregnation water-repellent finishing. The optimal time for single-side one is 20 s. In the process of spray finishing,the appropriate mesh size should be selected to achieve the best effect.
引文
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[2]李悦.婴儿尿裤结构与吸收性能关系的研究[D].上海:东华大学,2015.
[3]LIU Y Y,XIN J H.Cotton fabrics with single-faced superhydrophobicity[J].Langmuir,2012,28:17426-17434.
[4]ZHANG J P,LI B C,WU L,et al.Facile preparation of durable and robust superhydrophobic textiles by dip coating in nanocomposite solution of organosilanes[J].Chemical Communications,2013,49(98):11509-11511.
[5]王伟,黄晨,靳向煜.单向导湿织物的研究现状及进展[J].纺织学报,2016,37(5):167-172.
[6]BABAR A,WANG X F,IQBAL N,et al.Tailoring differential moisture transfer performance of nonwoven/polyacrylonitrile-SiO2nanofiber composite membranes[J].Advanced Materials-Interfaces,2017,62:1-10.
[7]徐小萍,张寅江,靳向煜.纸尿裤各层结构的作用及吸液机理分析[J].产业用纺织品,2013,31(5):19-23.
[8]赵学玉,邢明杰.婴儿纸尿裤面层材料的发展[J].山东纺织科技,2016,57(5):48-50.
[9]郭晓彤.一次性卫生用表层材料液体传递机理及主客观评价的研究[D].上海:东华大学,2013.