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Rapid Commun."],"published-print":{"date-parts":[[2025,2]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:p>In the present study, low molecular weight cyclic polyglycidol is used as a macroinitiator for hypergrafting glycidol and producing cyclic graft hyperbranched polyglycerol (cPG\u2010<jats:italic>g<\/jats:italic>\u2010hbPG) in the molecular weight range of 10<jats:sup>3<\/jats:sup>\u201310<jats:sup>6<\/jats:sup>\u00a0g\u00a0mol<jats:sup>\u22121<\/jats:sup>. Linear graft hyperbranched polyglycerol (linPG\u2010<jats:italic>g<\/jats:italic>\u2010hbPG) and hyperbranched polyglycerol (hbPG) are prepared as reference samples. This creates a family of hbPG structures with cyclic, linear, and star cores, allowing to evaluate their properties in solution and in bulk. The morphology study of the high molecular weight structures using atomic force microscopy revealed a spherical shape for cPG\u2010<jats:italic>g<\/jats:italic>\u2010hbPG and hbPG, and a cylindrical shape for linPG\u2010<jats:italic>g<\/jats:italic>\u2010hbPG in the nanometric range. Small angle X\u2010ray scattering confirmed the compact particle\u2010like structure of this family of hbPG architectures. Interestingly, the glass transition temperature showed a structure dependence, with cPG\u2010<jats:italic>g<\/jats:italic>\u2010hbPG having the highest values and hbPG having the lowest values for the same molecular weight. This study is a step forward in the generation of water\u2010soluble polymers with tailored structure and functionality for advanced applications.<\/jats:p>","DOI":"10.1002\/marc.202400791","type":"journal-article","created":{"date-parts":[[2024,11,6]],"date-time":"2024-11-06T06:53:52Z","timestamp":1730876032000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":4,"title":["Varying the Core Topology in All\u2010Glycidol Hyperbranched Polyglycerols: Synthesis and Physical Characterization"],"prefix":"10.1002","volume":"46","author":[{"given":"Carlo Andrea","family":"Pagnacco","sequence":"first","affiliation":[{"name":"Donostia International Physics Center (DIPC)  Paseo Manuel Lardiz\u00e1bal 4 Donostia\u2212San Sebasti\u00e1n 20018 Spain"},{"name":"Materials Physics Center CSIC\u2010UPV\/EHU  Paseo Manuel Lardiz\u00e1bal 5 Donostia\u2212San Sebasti\u00e1n 20018 Spain"},{"name":"PMAS Faculty of Chemistry University of the Basque Country (UPV\/EHU)  Paseo Manuel Lardiz\u00e1bal 3 Donostia\u2212San Sebasti\u00e1n 20018 Spain"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Alberto","family":"Alvarez\u2010Fernandez","sequence":"additional","affiliation":[{"name":"Materials Physics Center CSIC\u2010UPV\/EHU  Paseo Manuel Lardiz\u00e1bal 5 Donostia\u2212San Sebasti\u00e1n 20018 Spain"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Armando","family":"Maestro","sequence":"additional","affiliation":[{"name":"Materials Physics Center CSIC\u2010UPV\/EHU  Paseo Manuel Lardiz\u00e1bal 5 Donostia\u2212San Sebasti\u00e1n 20018 Spain"},{"name":"IKERBASQUE \u2013 Basque Foundation for Science  Plaza Euskadi 5 Bilbao 48009 Spain"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Est\u00edbaliz","family":"Gonz\u00e1lez de San Rom\u00e1n","sequence":"additional","affiliation":[{"name":"POLYMAT Joxe Mari Korta Center University of the Basque Country (UPV\/EHU)  Avda. 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