跑步机高分子阻尼材料的制备与性能  

Preparation and Performance Analysis of Polymer Damping Materials for Treadmills

作　　者：伏军强 Fu Junqiang(Xijing University,Xi'an,Shaanxi 710199,China)

机构地区：[1]西京学院,陕西西安710199

出　　处：《塑料助剂》2024年第6期52-55,63,共5页Plastics Additives

摘　　要：为提高跑步机核心受力部件高分子材料的阻尼性能和耐疲劳性能,提高跑步机产品的安全性能、延长使用寿命。研究采用硼酸对羟基硅油实施改性处理,生成聚硼硅氧烷,并将亲油型氧化硅填充至聚硼硅氧烷进而生成聚硼硅氧烷阻尼材料。为验证该材料的综合性能,研究从剪切黏度、损耗模量、储能模量等方面的角度对其进行测试。经测试分析发现,聚硼硅氧烷阻尼材料在受力作用下能够快速恢复受损的B=O键,且亲油型氧化硅能够有效增加聚硼硅氧烷的黏度并提升其损耗模量,体现出了较为理想的阻尼性能。除此之外,该材料在高速振荡的环境下能够保持分子主链完整并快速重组断裂的硅氧硼弱键,体现出了较强的抗疲劳性能。根据测试结果可知,聚硼硅氧烷阻尼材料具有较强的阻尼性能和抗疲劳性能,适用于跑步机等体育机械的生产加工。This study aims to improve the damping performance and fatigue resistance of polymer materials,which are the core load-bearing components of treadmills, and to enhance the safety performance and service lives of treadmills. We first applied boric acid to modify hydroxysilicone oil to generate polyborosiloxane,and filled oleophilic silica with polyborosiloxane to prepare polyborosiloxane damping material. To verify the comprehensive performance of this material, tests were conducted from the perspectives of shear viscosity, loss modulus, and storage modulus. Through testing and analysis, we found that polyborosilicate damping materials can quickly recover damaged B=O bonds under stress, and oleophilic silica can effectively increase the viscosity of polyborosilicate and improve its loss modulus, demonstrating ideal damping performance. In addition, the material is able to maintain the integrity of the main chain and quickly recombine the broken silicon oxygen boron weak bonds under high-speed oscillation environment, demonstrating strong fatigue resistance. In conclusion,polyborosilicate damping materials have strong damping and fatigue resistance properties, and are suitable for the production and processing of sports machinery such as treadmills.

关 键 词：聚硼硅氧烷 阻尼材料 损耗模量 耐疲劳性能 

分 类 号：TS952.91[轻工技术与工程] TQ317[化学工程—高聚物工业]