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Rapid Commun."],"published-print":{"date-parts":[[2024,10]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:p>Due to the advantages of low energy consumption, no air and water pollutions, the reactive polyurethane films (RPUFs) are replacing the solvated and waterborne PUFs nowadays, which significantly promotes the green and low\u2010carbon production of PU films. However, the microstructure evolution and in situ film\u2010formation mechanism of RPUFs in solvent\u2010free media are still unclear. Herein, according to time\u2010temperature equivalence principle, the in situ polyaddition and film\u2010formation processes of RPUFs generated by the typical polyaddition of diisocyanate terminated prepolymer (component B) and polyether glycol (component A) are thoroughly investigated at 25 \u00b0C. According to the temporal change of viscosity, the RPUFs gradually transfer from liquid to gel and finally to solid state. Further characterizing the molecular weight, hydrogen bonds, crystallinity, gel content, and phase images, the polyaddition and film\u2010formation processes can be divided into three stages as 1) chain extension and microcrystallization; 2) gelation and demicrocrystallization; 3) microphase separation and film\u2010formation. This work promotes the understanding of the microstructure evolution and film\u2010formation mechanism of RPUFs, which can be used as the theoretical guidance for the controllable preparation of high\u2010performance products based on RPUFs.<\/jats:p>","DOI":"10.1002\/marc.202400284","type":"journal-article","created":{"date-parts":[[2024,6,21]],"date-time":"2024-06-21T23:59:15Z","timestamp":1719014355000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":4,"title":["Microstructure Evolution of Reactive Polyurethane Films During In Situ Polyaddition and Film\u2010Formation Processes"],"prefix":"10.1002","volume":"45","author":[{"given":"Huimin","family":"Duan","sequence":"first","affiliation":[{"name":"Zhejiang Provincial Engineering Research Center for Green and Low\u2010Carbon Dyeing &amp; Finishing Zhejiang Sci\u2010Tech University  Hangzhou 310018 P. R. China"},{"name":"Key Laboratory of Advanced Textile Materials and Manufacturing Technology, Ministry of Education Zhejiang Sci\u2010Tech University  Hangzhou 310018 P. R. China"},{"name":"Zhejiang Provincial Innovation Center of Advanced Textile Technology  Shaoxing 312000 China"},{"name":"Keqiao Research Institute of Zhejiang Sci\u2010Tech University  Shaoxing 312000 P. R. China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Shuli","family":"Li","sequence":"additional","affiliation":[{"name":"Zhejiang Provincial Engineering Research Center for Green and Low\u2010Carbon Dyeing &amp; Finishing Zhejiang Sci\u2010Tech University  Hangzhou 310018 P. R. China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jinbiao","family":"Zhao","sequence":"additional","affiliation":[{"name":"Zhejiang Provincial Engineering Research Center for Green and Low\u2010Carbon Dyeing &amp; Finishing Zhejiang Sci\u2010Tech University  Hangzhou 310018 P. R. 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China"},{"name":"Zhejiang Provincial Innovation Center of Advanced Textile Technology  Shaoxing 312000 China"},{"name":"Keqiao Research Institute of Zhejiang Sci\u2010Tech University  Shaoxing 312000 P. R. China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Zhichao","family":"Huang","sequence":"additional","affiliation":[{"name":"Zhejiang Provincial Engineering Research Center for Green and Low\u2010Carbon Dyeing &amp; Finishing Zhejiang Sci\u2010Tech University  Hangzhou 310018 P. R. China"},{"name":"Key Laboratory of Advanced Textile Materials and Manufacturing Technology, Ministry of Education Zhejiang Sci\u2010Tech University  Hangzhou 310018 P. R. China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Xinxin","family":"Xu","sequence":"additional","affiliation":[{"name":"Zhejiang Hexin Science and Technology Co., Ltd.  Jiaxing 314003 P. R. 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China"},{"name":"Zhejiang Provincial Innovation Center of Advanced Textile Technology  Shaoxing 312000 China"},{"name":"Technical University of Munich, TUM School of Natural Sciences, Department of Physics Chair for Functional Materials  James\u2010Franck\u2010Str. 1 85748 Garching Germany"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2024,7,5]]},"reference":[{"key":"e_1_2_8_1_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.progpolymsci.2018.12.003"},{"key":"e_1_2_8_2_1","doi-asserted-by":"publisher","DOI":"10.1021\/acs.macromol.8b01171"},{"key":"e_1_2_8_3_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.polymer.2023.126586"},{"key":"e_1_2_8_4_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.compositesa.2022.107213"},{"key":"e_1_2_8_5_1","first-page":"253","volume":"21","author":"Zhen C.","year":"2021","journal-title":"Nat. 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