Faculty of Physical Education, Yulin Normal University, Yulin, 719000 Shaanxi, China.
Faculty of Physical Education, Huainan Normal University, Huainan, 232038 Anhui, China.
Biomed Res Int. 2022 Sep 2;2022:5152911. doi: 10.1155/2022/5152911. eCollection 2022.
Polyurethane, as a rubber material, can relieve the load on the ground and provide seismic design for the venue, which is of great significance for sports venues. In order to improve the seismic resistance and abrasion resistance of materials for sports fields and reduce accidents in sports, this article has carried out research on the polyurethane elastomer layered nanocomposites for sports fields and their preparation. Today's world is a challenging era of science and technology. The fields of biotechnology, information, medicine, energy, environment, and national defense and security are closely related to the development of high tech, and the requirements for materials are becoming increasingly diversified. Polymer nanocomposite coating has the dual characteristics of organic and inorganic components. It not only retains the advantages of a polymer but also endows it with versatility. It meets the current application needs. It is a hot spot in today's research. Among them, there are two major problems in the composite process of nanomaterials and polymers: dispersion and compatibility. How to improve the dispersion of nanoparticles and enhance the compatibility between nanoparticles and polymers is an urgent problem to be solved. In the method part, this article introduces a small amount of polyurethane and polyurethane elastomers formed after polyurethane modification and introduces layered compounds and nanocomposites and introduces several models involved in nanomaterials in terms of algorithms. In the analysis part, this paper conducts a comprehensive analysis of the hard segment mass fraction, mechanical properties, thermal decomposition behavior, degradation mechanism, and dynamic mechanical properties. With the increase of GO content, the tensile strength increases significantly and the elongation at break becomes smaller and smaller. When the GO content increases from 0% to 2%, the tensile properties of the WPU film increase from 2.6 MPa to 7.9 MPa and the fracture of the elongation decreased from 201.7% to 62.8%. This shows that the increase in GO content will make the composite material harder and brittle. It can be seen from the experimental results that the preparation of the polyurethane elastomer layered nanocomposite material designed in this paper has a good application effect on sports venues.
聚氨酯作为一种橡胶材料,可以减轻地面负荷,为场馆提供抗震设计,对体育场馆具有重要意义。为了提高运动场地材料的抗震性和耐磨性,减少运动中的事故,本文对运动场地用聚氨酯弹性体层状纳米复合材料及其制备进行了研究。当今世界是一个充满挑战的科技时代。生物技术、信息、医药、能源、环境和国防安全领域都与高科技的发展息息相关,对材料的要求也越来越多样化。聚合物纳米复合材料涂层具有有机和无机成分的双重特性,既保留了聚合物的优点,又赋予了它多功能性,满足了当前的应用需求,是当今研究的热点。其中,纳米材料与聚合物的复合过程存在两个主要问题:分散性和相容性。如何提高纳米粒子的分散性,增强纳米粒子与聚合物的相容性,是一个亟待解决的问题。在方法部分,本文介绍了少量的聚氨酯和经聚氨酯改性后形成的聚氨酯弹性体,介绍了层状化合物和纳米复合材料,并介绍了纳米材料涉及的几种算法模型。在分析部分,本文对硬段质量分数、力学性能、热分解行为、降解机理和动态力学性能进行了综合分析。随着 GO 含量的增加,拉伸强度显著提高,断裂伸长率逐渐减小。当 GO 含量从 0%增加到 2%时,WPU 膜的拉伸性能从 2.6 MPa 增加到 7.9 MPa,断裂伸长率从 201.7%降低到 62.8%。这表明 GO 含量的增加会使复合材料变硬变脆。从实验结果可以看出,本文设计的聚氨酯弹性体层状纳米复合材料的制备对运动场地具有良好的应用效果。