A study of solute and solvent of poly(vinyl chloride) using ultrasonic method

IF 3.6 4区化学 Q2 POLYMER SCIENCE

Polymer International Pub Date : 2025-05-30 DOI:10.1002/pi.6785

Richa Saxena, Subhash Chandra Bhatt, Manish Uniyal, Himanshu Gupta

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Abstract

This study investigates the acoustic impedance, adiabatic compressibility, intermolecular free length, relaxation time, ultrasonic absorption and Rao's constant of binary mixtures comprising poly(vinyl chloride) and dimethylformamide at varying concentrations and temperatures. These acoustical parameters are calculated by using experimental values of density, viscosity and ultrasonic velocity. The experiments are conducted using an ultrasonic apparatus operating at a frequency of 1 MHz. Density, viscosity and ultrasonic velocity are measured at different concentrations from 0 to 1 (m/v) at different temperature ranges from 303.15 to 338.15 K. The obtained results are compared with the results presented in the literature. The comprehensive analysis of these parameters reveals intriguing insights into the nature of interactions between the solute and solvent. This study also provides a deep insight into the nature, type and strength of intermolecular and intramolecular interactions. The behaviour of the solution is discussed in terms of its acoustical parameters with concentration and temperature. © 2025 Society of Chemical Industry.

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用超声波法研究聚氯乙烯的溶质和溶剂

本文研究了聚氯乙烯和二甲基甲酰胺二元混合物在不同浓度和温度下的声阻抗、绝热压缩率、分子间自由长度、弛豫时间、超声吸收和Rao常数。这些声学参数是通过密度、粘度和超声速度的实验值来计算的。实验使用频率为1mhz的超声波设备进行。在303.15 ~ 338.15 K的温度范围内，在0 ~ 1 （m/v）的不同浓度下，测量了密度、粘度和超声波速度。所得结果与文献结果进行了比较。对这些参数的综合分析揭示了溶质和溶剂之间相互作用性质的有趣见解。这项研究也为分子间和分子内相互作用的性质、类型和强度提供了深入的见解。讨论了溶液的声学参数随浓度和温度的变化规律。©2025化学工业协会。

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来源期刊

Polymer International 化学-高分子科学

CiteScore

7.10

自引率

3.10%

发文量

135

审稿时长

4.3 months

期刊介绍： Polymer International (PI) publishes the most significant advances in macromolecular science and technology. PI especially welcomes research papers that address applications that fall within the broad headings Energy and Electronics, Biomedical Studies, and Water, Environment and Sustainability. The Journal’s editors have identified these as the major challenges facing polymer scientists worldwide. The Journal also publishes invited Review, Mini-review and Perspective papers that address these challenges and others that may be of growing or future relevance to polymer scientists and engineers.