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首页> 外文期刊>Journal of Applied Polymer Science >The Elastic Property of Polyvinyl Alcohol Gel with Boric Acid as a Crosslinking Agent
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The Elastic Property of Polyvinyl Alcohol Gel with Boric Acid as a Crosslinking Agent

机译:硼酸为交联剂的聚乙烯醇凝胶的弹性性能

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摘要

The elastomers of polyvinyl alcohol gel were made from the polyvinyl alcohol polymer,with boric acid added as a crosslinking agent,in the mixed solvent of dimethyl sulfoxide and water.From the experimental results,the viscosity of polyvinyl alcohol solution is found to increase not only with an increment of boric acid content,but also with the temperature in the range of 70 deg C approx 100 deg C,although the viscosity is decreased in the range of 30 deg C approx 70 deg C.Moreover,the molecular mass between junctions of polyvinyl alcohol gel is calculated from the rubber elastic theory and found to be decreased with the increment of boric acid content.We also evaluated the values of Young's modulus of polyvinyl alcohol gel,E,E~*,and the elastic parameters C_1 and C_2 of the Mooncy-Rivlin equation,according to Hook's law and theory of rubber elasticity.Based on these,the polyvinyl alcohol gel behaves as a good rubberlike elastic property.
机译:聚乙烯醇凝胶的弹性体是由聚乙烯醇聚合物制成的,在二甲亚砜和水的混合溶剂中添加硼酸作为交联剂。从实验结果发现,聚乙烯醇溶液的粘度不仅会增加随着硼酸含量的增加,温度也在70℃到100℃范围内,尽管粘度在30℃到70℃范围内降低。而且,连接处之间的分子质量聚乙烯醇凝胶是根据橡胶弹性理论计算得出的,随着硼酸含量的增加而降低。我们还评估了聚乙烯醇凝胶的杨氏模量E,E〜​​以及弹性模量C_1和C_2根据胡克定律和橡胶弹性理论,Mooncy-Rivlin方程。在此基础上,聚乙烯醇凝胶表现出良好的橡胶状弹性。

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