聚丙烯纺粘/针刺型模板布成型工艺与性能

纺织学报 ›› 2014, Vol. 35 ›› Issue (7): 67-0.

聚丙烯纺粘/针刺型模板布成型工艺与性能

浙江理工大学材料与纺织学院

收稿日期:2013-06-28 修回日期:2014-01-17 出版日期:2014-07-15 发布日期:2014-07-15
通讯作者: 胡国樑 E-mail:zisthugl@sina.com

Forming and performance of PP spun-bonded/needling formwork liner

Received:2013-06-28 Revised:2014-01-17 Online:2014-07-15 Published:2014-07-15

摘要/Abstract

摘要： 在聚丙烯针刺毡表面进行纺粘工艺，并进行热合层压处理，获得具有一定孔径和透排水性能的透水模板布。通过正交试验获取制备纺粘/针刺透水模板布的最佳工艺，讨论了热压温度和纺粘克重对透水模板布相关性能的影响。结果表明：热压温度为171℃，热压时间为4s，热压压强为1.5MPa时，聚丙烯纺粘/针刺型透水模板布的导水性能达到最优，在相同的热压时间与热压压强下，模板布内部纤维的密集程度及表层凝结性能随热压温度的变化影响其最终的使用效果。

关键词: 纺粘, 模板布, 渗透性能, 孔径

Abstract: Spun-bonded process was used on the Polypropylene needled felt’s surface. Obtaining certain aperture and permeability properties of the controlled permeability formwork liner after heat-seal lamination treatment. The best technology to make spun-bonded/needling controlled permeability formwork liner was acquired through the orthogonal experiment, then the effect of the hot-press temperature and the weight of spun-bonded on the relevant properties of formwork liner were discussed. The results showed that the optimal hydraulic conductivity was obtained when the hot-pressing temperature was 171℃, hot pressing time was 4 s, hot pressing pressure was 1.5 MPa. Under the same hot pressing time and pressure, the fiber density of the formwork liner and the performance of the surface condensation changed along with the hot-pressing temperature and affected the effect of the end use.

Key words: spun-bonded, formwork liner, aperture

中图分类号:

TS176.5

杨娟亚余向琪毛凤鸣陈俊良胡国樑. 聚丙烯纺粘/针刺型模板布成型工艺与性能[J]. 纺织学报, 2014, 35(7): 67-0.

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