热定形对经编疝气补片的物理机械性能影响

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英文篇名：Effect of Heat Setting on Physical and Mechanical Property of Warp Knitted Fabric for Hernia Repair 作者：张丹 ; 陈慰来 ; 祝国成 英文作者：ZHANG Dan;CHEN Weilai;ZHU Guocheng;College of Materials and Textiles, Zhejiang Sci-Tech University; 关键词：聚丙烯 ; 经编疝气补片 ; 热定形 ; 物理机械性能 英文关键词：polypropylene;;warp knitted fabric for hernia repair;;heat setting;;physical and mechanical property 中文刊名：SCGS 英文刊名：Advanced Textile Technology 机构：浙江理工大学材料与纺织学院; 出版日期：2018-05-18 10:29 出版单位：现代纺织技术 年：2019 期：v.27;No.136 语种：中文; 页：SCGS201902010 页数：5 CN：02 ISSN：33-1249/TS 分类号：47-51

摘要

以聚丙烯切片为原料,在实验室制备的经缎疝气补片在下机后卷曲度高,柔软度不足,无法满足疝气补片临床要求,为了提高经编疝气补片的机械性能,实验对经缎疝气补片进行热处理,通过对比不同热定形条件下的拉伸断裂强度、顶破强力、刚柔性能、折皱回复性,开发出能满足临床物理机械性能的疝气补片。实验研究了热定形温度和时间对补片物理机械性能的影响,发现热定形条件为135℃、4 min,有利于改善补片的性能,解决补片在手术应用中的不足。
        The warp knitted fabric for hernia repair prepared by using polypropylene slice as the raw material has high crimpness and insufficient softness, and cannot meet clinical requirements of knitted fabric for hernia repair. To improve mechanical properties of warp knitted fabric for hernia repair, heat treatment was conducted for warp knitted fabric for hernia repair. The knitted fabric for hernia repair meeting clinical physical and mechanical properties was developed through comparing the tensile strength, bursting strength, rigid and flexible properties and wrinkle recovery under different heat setting conditions. The effect of heat setting temperature and time on the mechanical properties of the patch was studied. It was found that the best heat setting condition was 135 ℃ for 4 min, which could improve the performance of the patch and solve the deficiency of the patch in operation.

引文

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