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Improved dynamic properties of thermoplastic polyurethanes made from co-monomeric polyester polyol soft segments based on azelaic acid
Journal of Applied Polymer Science ( IF 2.7 ) Pub Date : 2021-04-07 , DOI: 10.1002/app.50815 Tuan Noor Maznee Tuan Ismail 1 , Nor Azowa Ibrahim 2 , Kosheela Devi Poo Palam 1 , Aisa Sendijarevic 3 , Ibrahim Sendijarevic 3 , Christi M. Schiffman 3 , Seng Soi Hoong 1 , Mohd Azmil Mohd Noor 1 , Shoot Kian Yeong 1 , Emilia Abd. Malek 2 , Norhazlin Zainuddin 2 , Vahid Sendijarevic 3
Journal of Applied Polymer Science ( IF 2.7 ) Pub Date : 2021-04-07 , DOI: 10.1002/app.50815 Tuan Noor Maznee Tuan Ismail 1 , Nor Azowa Ibrahim 2 , Kosheela Devi Poo Palam 1 , Aisa Sendijarevic 3 , Ibrahim Sendijarevic 3 , Christi M. Schiffman 3 , Seng Soi Hoong 1 , Mohd Azmil Mohd Noor 1 , Shoot Kian Yeong 1 , Emilia Abd. Malek 2 , Norhazlin Zainuddin 2 , Vahid Sendijarevic 3
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Research and developmental work of bio-based materials from both renewable resources and biotechnological processes have gained significant interest recently. In this study, bio-based azelaic acid has been used in combination with succinic and adipic acids to synthesize co-monomeric polyester polyol soft segments for thermoplastic polyurethanes (TPUs). Hysteresis of TPUs made from co-monomeric polyester polyols were significantly lower in comparison to the reference TPUs made from monomeric polyester polyols, indicating significant improvement in dynamic properties. In addition, tensile sets of TPUs prepared with co-monomeric polyester polyols were lower compared to TPUs prepared from monomeric polyester polyols, confirming excellent dynamic properties. Improved dynamic properties of TPUs based on co-monomeric polyester polyols can be ascribed to a phase-separated morphology which was quantified as the lowest fraction of bonded urethane from FTIR spectra, reduced crystallinity in differential scanning calorimetry thermograms, narrow tan δ peaks measured using dynamic mechanical analyses, and images from atomic force microscopy.
中文翻译：
由基于壬二酸的共聚单体聚酯多元醇软链段制得的热塑性聚氨酯的动态性能得到改善
最近，来自可再生资源和生物技术过程的生物基材料的研究和开发工作引起了人们的极大兴趣。在这项研究中，生物基壬二酸已与琥珀酸和己二酸结合使用，以合成用于热塑性聚氨酯（TPU）的共聚单体聚酯多元醇软链段。与由单体聚酯多元醇制得的参考TPU相比，由共聚单体聚酯多元醇制得的TPU的滞后性明显更低，这表明动态性能得到了显着改善。另外，与由单体聚酯多元醇制得的TPU相比，由共聚单体聚酯多元醇制得的TPU的拉伸永久变形更低，证实了优异的动态性能。使用动态机械分析测得的δ峰，以及来自原子力显微镜的图像。
更新日期：2021-05-22
中文翻译：
由基于壬二酸的共聚单体聚酯多元醇软链段制得的热塑性聚氨酯的动态性能得到改善
最近，来自可再生资源和生物技术过程的生物基材料的研究和开发工作引起了人们的极大兴趣。在这项研究中，生物基壬二酸已与琥珀酸和己二酸结合使用，以合成用于热塑性聚氨酯（TPU）的共聚单体聚酯多元醇软链段。与由单体聚酯多元醇制得的参考TPU相比，由共聚单体聚酯多元醇制得的TPU的滞后性明显更低，这表明动态性能得到了显着改善。另外，与由单体聚酯多元醇制得的TPU相比，由共聚单体聚酯多元醇制得的TPU的拉伸永久变形更低，证实了优异的动态性能。使用动态机械分析测得的δ峰，以及来自原子力显微镜的图像。
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