Wet-skid resistance and its mechanism of new ligation bands based on natural rubber

LIU Sa; JIN Dedao; WU Shaoyin; WANG Lin; REN Li

doi:10.11949/j.issn.0438-1157.20150774

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Wet-skid resistance and its mechanism of new ligation bands based on natural rubber

更新时间：2025-12-10

- Wet-skid resistance and its mechanism of new ligation bands based on natural rubber
- CIESC Journal Issue 4, Pages: 1392-1398(2016)
- 作者机构：
  
  1. 华南理工大学材料科学与工程学院,广东,广州,510640
  2. 国家人体组织功能重建工程技术研究中心,广东,广州,510006
- 作者简介：
- 基金信息：
- DOI：10.11949/j.issn.0438-1157.20150774
  CLC： 318.08
- Online First：05 April 2016，
  
  Published：05 April 2016
- 稿件说明：
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LIU Sa, JIN Dedao, WU Shaoyin, et al. Wet-skid resistance and its mechanism of new ligation bands based on natural rubber[J]. CIESC Journal, 2016, (4): 1392-1398.
DOI：

LIU Sa, JIN Dedao, WU Shaoyin, et al. Wet-skid resistance and its mechanism of new ligation bands based on natural rubber[J]. CIESC Journal, 2016, (4): 1392-1398. DOI： 10.11949/j.issn.0438-1157.20150774.

摘要

针对天然橡胶作为套扎器胶圈材料使用时出现的抗湿滑性较差

套扎不牢固、易脱落的问题

选用天然橡胶作为基础材料

气相法白炭黑为补强剂

添加明胶甘油等加工助剂制备套扎器胶圈

在满足胶圈的力学强度的同时

借鉴胎面胶抗湿滑理论

对胶圈抗湿滑性能进行研究。分别用电子拉伸测试仪、AFM、DMA、摩擦系数仪等仪器对材料的力学性能、表面粗糙度、微观硬度、tand和最大静摩擦力进行表征。结果表明采用所提供的配方

使天然橡胶500%定伸应力达6.12 MPa

微观表面粗糙度(Ra)为9.754

同时具有较高的微观硬度和tand

在湿润表面的最大静摩擦系数达到2.6

获得了良好的抗湿滑性能。

Abstract

Considering the poor wet-skid resistance (WSR) and facile abscission of natural rubber (NR) when applied in ligation band

a new ligation rubber ring based on NR was prepared when used fumed silica as reinforcing agent and glycerol-gelatin as processing agent

which met with the application of ligation bands in mechanical property. Meanwhile

the property of WSR of the ligation rubber ring was characterized by stress

stress relaxation

surface roughness

micro-hardness and dynamic viscoelasticity. The results showed that the stretching stress of NR on 500% was 6.12 MPa

surface micro-roughness (Ra) was 9.754

and excellent micro-hardness and tand. Besides

the coefficient of maximum static friction on wet surface was 2.6. All above results indicated that a good wet-skid resistance was obtained in the new ligation rubber ring.

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