{"title":"The Influence of Polybutylene Terephthalate Cross-Linking on Infrared Spectra","authors":"A. Abdullin, D. Faizullin, Y. Zuev, I. Sedov","doi":"10.1134/S0036024424702741","DOIUrl":null,"url":null,"abstract":"<p>The attenuated total reflection Fourier-transform infrared spectroscopy (ATR-FTIR) spectra of the samples of polybutylene terephthalate (PBT) with varying spatial densities of cross-links are obtained. The changes are primarily observed in the fingerprint region. The ratios of the area of the absorption bands 810/794 and 917/935 cm<sup>–1</sup> bands are shown to decrease with increasing degree of cross-linking and can be used to assess it. The changes in infrared absorption are linked to the difference in the bending frequency between the crystalline and amorphous phases of PBT. The latter is more prevalent in the densely cross-linked samples.</p>","PeriodicalId":767,"journal":{"name":"Russian Journal of Physical Chemistry A","volume":"98 14","pages":"3243 - 3249"},"PeriodicalIF":0.8000,"publicationDate":"2025-02-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Russian Journal of Physical Chemistry A","FirstCategoryId":"92","ListUrlMain":"https://link.springer.com/article/10.1134/S0036024424702741","RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q4","JCRName":"CHEMISTRY, PHYSICAL","Score":null,"Total":0}
引用次数: 0
Abstract
The attenuated total reflection Fourier-transform infrared spectroscopy (ATR-FTIR) spectra of the samples of polybutylene terephthalate (PBT) with varying spatial densities of cross-links are obtained. The changes are primarily observed in the fingerprint region. The ratios of the area of the absorption bands 810/794 and 917/935 cm–1 bands are shown to decrease with increasing degree of cross-linking and can be used to assess it. The changes in infrared absorption are linked to the difference in the bending frequency between the crystalline and amorphous phases of PBT. The latter is more prevalent in the densely cross-linked samples.
期刊介绍：
Russian Journal of Physical Chemistry A. Focus on Chemistry (Zhurnal Fizicheskoi Khimii), founded in 1930, offers a comprehensive review of theoretical and experimental research from the Russian Academy of Sciences, leading research and academic centers from Russia and from all over the world.
Articles are devoted to chemical thermodynamics and thermochemistry, biophysical chemistry, photochemistry and magnetochemistry, materials structure, quantum chemistry, physical chemistry of nanomaterials and solutions, surface phenomena and adsorption, and methods and techniques of physicochemical studies.
京公网安备 11010802042870号
京ICP备2023020795号-1
分享
求助内容：
应助结果提醒方式：
扫码关注我们
