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Rapid Commun."],"published-print":{"date-parts":[[2022,9]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:p>Complex coacervates are usually formed through electrostatic attraction between oppositely charged polyelectrolytes, with a few exceptions such as coacervates of like\u2010charge proteins and polyelectrolytes, both in vivo and in vitro. Understanding of the preparation and mechanisms of these coacervates is limited. Here, a positively charged poly(ionic liquid), poly(1\u2010vinyl\u20103\u2010benzylimidazolium chloride) (PILben), is designed that bears benzene rings in repeating units. Fluidic coacervates are prepared by mixing the PILben aqueous solution with a like\u2010charge poly(ionic liquid) named poly(dimethyl diallyl ammonium chloride) (PDDA). The effects of polymer concentration, temperature, and ionic strength in the PILben\u2010PDDA coacervate are studied. Raman spectroscopy and 2D <jats:sup>1<\/jats:sup>H\u2010<jats:sup>13<\/jats:sup>C heteronuclear single quantum coherence (<jats:sup>1<\/jats:sup>H\u2010<jats:sup>13<\/jats:sup>C HSQC) characterizations verify that the coacervate formation benefits from the cation\u2010<jats:italic>\u03c0<\/jats:italic> interaction between PILben and PDDA. This work provides principles and understandings of designing coacervates derived from like\u2010charge poly(ionic liquids) with high charge density.<\/jats:p>","DOI":"10.1002\/marc.202200191","type":"journal-article","created":{"date-parts":[[2022,5,28]],"date-time":"2022-05-28T05:13:21Z","timestamp":1653714801000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":10,"title":["Coacervation between Two Positively Charged Poly(ionic liquid)s"],"prefix":"10.1002","volume":"43","author":[{"given":"Chongrui","family":"Zhang","sequence":"first","affiliation":[{"name":"Key Laboratory of Material Chemistry for Energy Conversion and Storage Ministry of Education School of Chemistry and Chemical Engineering Huazhong University of Science and Technology  Wuhan 430074 China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Yinmin","family":"Cai","sequence":"additional","affiliation":[{"name":"Key Laboratory of Material 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