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Microencapsulated p...
Microencapsulated phase change material through cellulose nanofibrils stabilized Pickering emulsion templating
- Article/chapterEnglish2023
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LIBRIS-ID:oai:DiVA.org:su-221387
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https://urn.kb.se/resolve?urn=urn:nbn:se:su:diva-221387URI
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https://doi.org/10.1007/s42114-023-00725-1DOI
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Language:English
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Summary in:English
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Subject category:ref swepub-contenttype
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Subject category:art swepub-publicationtype
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Phase change materials (PCMs) possess remarkable capability to store and release substantial amounts of energy during the processes of melting and crystallization across a wide temperature range, thus holding great promise in applications related to temperature regulation and thermal energy storage. Herein, to effectively address PCM leakage and enhance thermal conduction, PCM microcapsules with melamine-formaldehyde resin (MF) shell were prepared using in situ polymerization of Pickering emulsions stabilized by cellulose nanofibrils (CNFs). CNFs were selected as the stabilizers for the Pickering emulsions and as reinforcing nanofillers for the MF shell, owing to their excellent emulsifying capability, high mechanical strength, and sustainable nature. Paraffin wax (PW) was utilized as the PCM material. The resulting PCM microcapsules with MF resin shells and PW core had a diameter ranging from 2 to 4 & mu;m. Results showed that microcapsule with the core-shell ratio of 2 (Micro-2.0) exhibited the highest latent heat of crystallization and latent heat of fusion, measuring approximately 128.40 J/g and 120.23 J/g, respectively. The encapsulation efficiency of Micro-2.0 was determined to be approximately 79.84%.
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Lin, Qingyi
(author)
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Chen, Siyu
(author)
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Yang, Hongbin
(author)
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Liu, Kun
(author)
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Pang, BoStockholms universitet,Institutionen för material- och miljökemi (MMK)(Swepub:su)bopa6207
(author)
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Xu, Ting
(author)
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Si, Chuanling
(author)
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Stockholms universitetInstitutionen för material- och miljökemi (MMK)
(creator_code:org_t)
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In:advanced composites and hybrid materials6:42522-0128
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