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Mesoporous Aluminosilicate Material with Hierarchical Porosity for Ultralow Density Wood Fiber Composite (ULD_WFC)
Luleå tekniska universitet, Institutionen för teknikvetenskap och matematik, Träteknik.
Fujian Agriculture and Forestry University, Department of Wood Science & Technology, Fujian Agriculture and Forestry University, Fujian Agriculture and Forestry University, Fuzhou, China.
Fujian Agriculture and Forestry University, Department of Wood Science & Technology, Fujian Agriculture and Forestry University, Fuzhou, China.
Fujian Agriculture and Forestry University, Fuzhou, China, College of Material Engineering, Fujian Agriculture and Forestry University.
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2016 (Engelska)Ingår i: A C S Sustainable Chemistry & Engineering, ISSN 2168-0485, Vol. 4, nr 7, s. 3888-3896Artikel i tidskrift (Refereegranskat) Published
Abstract [en]

This study investigates the application of mesoporous aluminosilicate material with hierarchical porosity to ultralow density wood fiber composite (ULD_WFC) for improving their mechanical properties. A 300 nm thickness Si–Al inorganic film was applied to the surface of the fibers. The mesoporous aluminosilicate material with many mesopores ranging from 2 to 20 nm was obtained. Their total pore volume and Brunauer–Emmett–Teller surface area were 0.193 cm3/g and 355.2 m2/g, respectively. Thermogravimetric analysis indicated that the thermostability of ULD_WFCs was affected by Si–Al compounds. But the residual weight of ULD_WFC with Si–Al compounds was 23.87% greater than composite without Si–Al compounds. The X-ray diffraction analysis indicated partial conversion of SiO2 to α-SiC. These conditions attributed to improving the mechanical properties of ULD_WFC. The modulus of elasticity, modulus of rupture, and internal bond strength of composite with Si–Al compounds increased by 547.4%, 240.0%, and 400.0%, respectively, as compared with uncoated ULD_WFC.

Ort, förlag, år, upplaga, sidor
2016. Vol. 4, nr 7, s. 3888-3896
Nationell ämneskategori
Annan maskinteknik
Forskningsämne
Träteknik
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URN: urn:nbn:se:ltu:diva-10611DOI: 10.1021/acssuschemeng.6b00691ISI: 000380291200037Scopus ID: 2-s2.0-84978969997Lokalt ID: 970ed1b6-6072-4011-aa83-a690fa89bad9OAI: oai:DiVA.org:ltu-10611DiVA, id: diva2:983556
Anmärkning

Validerad; 2016; Nivå 2; 20160627 (andbra)

Tillgänglig från: 2016-09-29 Skapad: 2016-09-29 Senast uppdaterad: 2018-07-10Bibliografiskt granskad

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Chen, TingjieWang, Alice

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