YaLi Liu, Ai Liu, Yingying Li, Faxue Li, Xueli Wang, Dequn Wu, Jianyong Yu, Lifang Liu* and Ruchao Yuan*,
{"title":"基于聚酰胺-6的热塑性弹性体及其细丝通过增强氢键相互作用改善了热机械性能","authors":"YaLi Liu, Ai Liu, Yingying Li, Faxue Li, Xueli Wang, Dequn Wu, Jianyong Yu, Lifang Liu* and Ruchao Yuan*, ","doi":"10.1021/acsapm.4c0214210.1021/acsapm.4c02142","DOIUrl":null,"url":null,"abstract":"<p >Enhancing the glass transition temperature of the hard phase (<i>T</i><sub>g-HS</sub>) and the tensile strength of PA6-based thermoplastic elastomers (TPAEs) has been a long-standing challenge, significantly restricting their application in textiles. In this study, this issue was effectively addressed by incorporating <i>p</i>-phenylenediamine (PPD) into the molecular chains, which induces enhanced hydrogen bonding interactions in TPAEs. Consequently, the prepared PPD-modified TPAEs (PPD-TPAEs) demonstrated a well-defined nanophase-separated morphology and a <i>T</i><sub>g-HS</sub> of 48.2 °C, which is more than 5 °C higher than that of TPAEs with the same soft segment weight concentrations (<i>C</i><sub>SS</sub>). Additionally, the <i>T</i><sub>g-HS</sub> increased with higher <i>C</i><sub>SS</sub> values due to the augmented hydrogen bonding interactions in PPD-TPAEs. The tensile strength and elongation at break of PPD-TPAEs were over 1.9 and 2.6 times greater, respectively, than those of TPAEs with the same <i>C</i><sub>SS</sub> value. Notably, filaments produced from molten PPD-TPAEs with 44% soft segments (PPD-TPAE-40) exhibited thermomechanical performance comparable to Spandex, underscoring their potential application in the textile industry.</p>","PeriodicalId":7,"journal":{"name":"ACS Applied Polymer Materials","volume":"6 24","pages":"15024–15034 15024–15034"},"PeriodicalIF":4.7000,"publicationDate":"2024-12-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"Polyamide-6-Based Thermoplastic Elastomers and Their Filaments with Improved Thermomechanical Performance Enabled by Enhanced Hydrogen Bonding Interactions\",\"authors\":\"YaLi Liu, Ai Liu, Yingying Li, Faxue Li, Xueli Wang, Dequn Wu, Jianyong Yu, Lifang Liu* and Ruchao Yuan*, \",\"doi\":\"10.1021/acsapm.4c0214210.1021/acsapm.4c02142\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"<p >Enhancing the glass transition temperature of the hard phase (<i>T</i><sub>g-HS</sub>) and the tensile strength of PA6-based thermoplastic elastomers (TPAEs) has been a long-standing challenge, significantly restricting their application in textiles. In this study, this issue was effectively addressed by incorporating <i>p</i>-phenylenediamine (PPD) into the molecular chains, which induces enhanced hydrogen bonding interactions in TPAEs. Consequently, the prepared PPD-modified TPAEs (PPD-TPAEs) demonstrated a well-defined nanophase-separated morphology and a <i>T</i><sub>g-HS</sub> of 48.2 °C, which is more than 5 °C higher than that of TPAEs with the same soft segment weight concentrations (<i>C</i><sub>SS</sub>). Additionally, the <i>T</i><sub>g-HS</sub> increased with higher <i>C</i><sub>SS</sub> values due to the augmented hydrogen bonding interactions in PPD-TPAEs. The tensile strength and elongation at break of PPD-TPAEs were over 1.9 and 2.6 times greater, respectively, than those of TPAEs with the same <i>C</i><sub>SS</sub> value. Notably, filaments produced from molten PPD-TPAEs with 44% soft segments (PPD-TPAE-40) exhibited thermomechanical performance comparable to Spandex, underscoring their potential application in the textile industry.</p>\",\"PeriodicalId\":7,\"journal\":{\"name\":\"ACS Applied Polymer Materials\",\"volume\":\"6 24\",\"pages\":\"15024–15034 15024–15034\"},\"PeriodicalIF\":4.7000,\"publicationDate\":\"2024-12-12\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"ACS Applied Polymer Materials\",\"FirstCategoryId\":\"92\",\"ListUrlMain\":\"https://pubs.acs.org/doi/10.1021/acsapm.4c02142\",\"RegionNum\":2,\"RegionCategory\":\"化学\",\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"Q2\",\"JCRName\":\"MATERIALS SCIENCE, MULTIDISCIPLINARY\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"ACS Applied Polymer Materials","FirstCategoryId":"92","ListUrlMain":"https://pubs.acs.org/doi/10.1021/acsapm.4c02142","RegionNum":2,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q2","JCRName":"MATERIALS SCIENCE, MULTIDISCIPLINARY","Score":null,"Total":0}
Polyamide-6-Based Thermoplastic Elastomers and Their Filaments with Improved Thermomechanical Performance Enabled by Enhanced Hydrogen Bonding Interactions
Enhancing the glass transition temperature of the hard phase (Tg-HS) and the tensile strength of PA6-based thermoplastic elastomers (TPAEs) has been a long-standing challenge, significantly restricting their application in textiles. In this study, this issue was effectively addressed by incorporating p-phenylenediamine (PPD) into the molecular chains, which induces enhanced hydrogen bonding interactions in TPAEs. Consequently, the prepared PPD-modified TPAEs (PPD-TPAEs) demonstrated a well-defined nanophase-separated morphology and a Tg-HS of 48.2 °C, which is more than 5 °C higher than that of TPAEs with the same soft segment weight concentrations (CSS). Additionally, the Tg-HS increased with higher CSS values due to the augmented hydrogen bonding interactions in PPD-TPAEs. The tensile strength and elongation at break of PPD-TPAEs were over 1.9 and 2.6 times greater, respectively, than those of TPAEs with the same CSS value. Notably, filaments produced from molten PPD-TPAEs with 44% soft segments (PPD-TPAE-40) exhibited thermomechanical performance comparable to Spandex, underscoring their potential application in the textile industry.
期刊介绍：
ACS Applied Polymer Materials is an interdisciplinary journal publishing original research covering all aspects of engineering, chemistry, physics, and biology relevant to applications of polymers.
The journal is devoted to reports of new and original experimental and theoretical research of an applied nature that integrates fundamental knowledge in the areas of materials, engineering, physics, bioscience, polymer science and chemistry into important polymer applications. The journal is specifically interested in work that addresses relationships among structure, processing, morphology, chemistry, properties, and function as well as work that provide insights into mechanisms critical to the performance of the polymer for applications.
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