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Project","award":["S202419414049"],"award-info":[{"award-number":["S202419414049"]}]},{"name":"Xinjiang Uygur Region \u201cOne Case, One Policy\u201d Strategic Talent Introduction Project","award":["XQZX20240054"],"award-info":[{"award-number":["XQZX20240054"]}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Polymers"],"abstract":"<jats:p>Due to the continuous growth of global carbon dioxide emissions, the development of cost-effective carbon dioxide capture technology has attracted extensive attention. Amino-modified chitosan aerogels with lamellar porous structures are good candidates as carbon dioxide adsorbents because of their degradable properties and low energy consumption. Polyethylene polyamine-modified chitosan aerogels (PEPA-CSs) were prepared through a process of crosslinking and freeze-drying using a chitosan solution, polyethylene polyamine (PEPA), and epichlorohydrin (ECH) as raw materials. The amino group of PEPA was proven to be successfully grafted on the chitosan surface by FITR and XPS. The SEM and TEM analysis showed a rich three-dimensional porous structure and a good rigidity and bearing capacity of the PEPA-CS. The adsorption capacity was significantly increased by PEPA grafting with a maximum value of 1.59 mmol\/g at 25 \u00b0C and 1 bar through both physical and chemical interactions, which indicates a potential for broad application prospects in industrial CO2-capture applications.<\/jats:p>","DOI":"10.3390\/polym17030414","type":"journal-article","created":{"date-parts":[[2025,2,4]],"date-time":"2025-02-04T10:57:53Z","timestamp":1738666673000},"page":"414","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":8,"title":["Polyethylene Polyamine-Modified Chitosan Aerogels: Enhanced CO2 Adsorbents with Lamellar Porous Structures"],"prefix":"10.3390","volume":"17","author":[{"ORCID":"https:\/\/orcid.org\/0009-0000-6807-9227","authenticated-orcid":false,"given":"Hui","family":"Ming","sequence":"first","affiliation":[{"name":"State Key Laboratory of Heavy Oil Processing, College of Engineering, China University of Petroleum-Beijing at Karamay, Karamay 834000, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Haoxin","family":"Jiang","sequence":"additional","affiliation":[{"name":"State Key Laboratory of Heavy Oil Processing, College of Engineering, China University of Petroleum-Beijing at Karamay, Karamay 834000, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Ruiyang","family":"Zheng","sequence":"additional","affiliation":[{"name":"State Key Laboratory of Heavy Oil Processing, College of Engineering, China University of Petroleum-Beijing at Karamay, Karamay 834000, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Mei","family":"Wu","sequence":"additional","affiliation":[{"name":"State Key Laboratory of Heavy Oil Processing, College of Engineering, China University of Petroleum-Beijing at Karamay, Karamay 834000, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Hongying","family":"Li","sequence":"additional","affiliation":[{"name":"State Key Laboratory of Heavy Oil Processing, College of Engineering, China University of Petroleum-Beijing at Karamay, Karamay 834000, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Zhengxin","family":"Li","sequence":"additional","affiliation":[{"name":"State Key Laboratory of Heavy Oil Processing, College of Engineering, China University of Petroleum-Beijing at Karamay, Karamay 834000, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Xudong","family":"Zhang","sequence":"additional","affiliation":[{"name":"State Key Laboratory of Heavy Oil Processing, College of Engineering, China University of Petroleum-Beijing at Karamay, Karamay 834000, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Zihao","family":"Yuan","sequence":"additional","affiliation":[{"name":"State Key Laboratory of Heavy Oil Processing, College of Engineering, China University of Petroleum-Beijing at Karamay, Karamay 834000, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Ziyue","family":"Wang","sequence":"additional","affiliation":[{"name":"State Key Laboratory of Heavy Oil Processing, College of Engineering, China University of Petroleum-Beijing at Karamay, Karamay 834000, China"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"1968","published-online":{"date-parts":[[2025,2,4]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"102260","DOI":"10.1016\/j.jcou.2022.102260","article-title":"Research progress on CO2 capture and utilization technology","volume":"66","author":"Fu","year":"2022","journal-title":"J. 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