{"title":"Cover Image, Volume 61, Issue 12","authors":"","doi":"10.1002/pol.20230318","DOIUrl":null,"url":null,"abstract":"<p>The cover image by Niels Vonk shows a polarization optical microscopy image of a 3D-printed CE-UPy-PEG3k fiber in the fully hydrated state, obtained using a <i>Zeiss Axio Imager</i>. D1. Polarization optical microscopy revealed a strong reduction in crystallinity of 3D-printed CE-UPy-PEG fibers between the dry and hydrated state, which is driven by the PEG chains transforming from an ordered crystalline packing to an amorphous state. Consequently, the transient swelling behavior of the fiber is strongly affected by this phase transformation. In the fully hydrated state, surface swelling instabilities become present which show up as the local buckles. (DOI: 10.1002/pol.20220648)\n\n <figure>\n <div><picture>\n <source></source></picture><p></p>\n </div>\n </figure></p>","PeriodicalId":199,"journal":{"name":"Journal of Polymer Science Part A: Polymer Chemistry","volume":"61 12","pages":"i"},"PeriodicalIF":2.7020,"publicationDate":"2023-06-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1002/pol.20230318","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Journal of Polymer Science Part A: Polymer Chemistry","FirstCategoryId":"1","ListUrlMain":"https://onlinelibrary.wiley.com/doi/10.1002/pol.20230318","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q1","JCRName":"Materials Science","Score":null,"Total":0}
引用次数: 0
Abstract
The cover image by Niels Vonk shows a polarization optical microscopy image of a 3D-printed CE-UPy-PEG3k fiber in the fully hydrated state, obtained using a Zeiss Axio Imager. D1. Polarization optical microscopy revealed a strong reduction in crystallinity of 3D-printed CE-UPy-PEG fibers between the dry and hydrated state, which is driven by the PEG chains transforming from an ordered crystalline packing to an amorphous state. Consequently, the transient swelling behavior of the fiber is strongly affected by this phase transformation. In the fully hydrated state, surface swelling instabilities become present which show up as the local buckles. (DOI: 10.1002/pol.20220648)
期刊介绍：
Part A: Polymer Chemistry is devoted to studies in fundamental organic polymer chemistry and physical organic chemistry. This includes all related topics (such as organic, bioorganic, bioinorganic and biological chemistry of monomers, polymers, oligomers and model compounds, inorganic and organometallic chemistry for catalysts, mechanistic studies, supramolecular chemistry aspects relevant to polymer...
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