A breathing A4 paper by in situ growth of green metal–organic frameworks for air freshening and cleaning
Full Length Article|Updated:2026-01-06
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A breathing A4 paper by in situ growth of green metal–organic frameworks for air freshening and cleaning
Chinese Journal of Chemical EngineeringVol. 52, Issue 12, Pages: 95-102(2022)
Affiliations:
1. Key Laboratory of Biomass Chemical Engineering of Ministry of Education and Zhejiang Key Laboratory of Smart Biomaterials, College of Chemical and Biological Engineering, Zhejiang University,Hangzhou,China,310027
2. Department of Polymer Science and Engineering, Zhejiang University,Hangzhou,China,310027
3. Hangzhou Global Scientific and Technological Innovation Center, Zhejiang University,Hangzhou,China,311215
4. Department of Chemical & Biomolecular Engineering, National University of Singapore,Singapore,117585
Surface modification of natural cellulose fibers with nanomaterials is an effective strategy for producing functional textiles for multiple applications. A4-sized printing paper is a commonly used
cheap
and easily acquirable office supply which is mainly made of cellulose fibers. Here
we report green and simple nanofabrication of A4 paper to endow it with high capability for fragrance encapsulation and sustained release
and strong adsorption to indoor air pollutants. The method utilizes the sugar molecule of cellulose for
in-situ
growth of
γ
-cyclodextrin (
γ
-CD) metal–organic frameworks (MOFs) on A4 paper. The obtained
γ
-CD-MOF/A4 nanocomposites have superior specific surface area and high porous structure. The
γ
-CD-MOF/A4 nanocomposites can effectively encapsulate fragrant molecules through host–guest interaction. The
γ
-CD-MOF/A4 nanocomposites also show strong absorption capability to formaldehyde and carbon dioxide through the formation of hydrogen bonding and chemical bonds. These
γ
-CD-MOF/A4 nanocomposites combine the advantages of both A4 paper and
γ
-CD-MOF
which can be used in indoor air freshening and cleaning.
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