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Synthesis and characterization of poly-aluminum silicate sulphate (PASS) for ultra-low density fiberboard (ULDF)
Luleå tekniska universitet, Institutionen för teknikvetenskap och matematik, Träteknik. Fujian Agriculture and Forestry University, Fuzhou, China.
Fujian Agriculture and Forestry University, Fuzhou, China.
Luleå tekniska universitet, Institutionen för teknikvetenskap och matematik, Träteknik.ORCID-id: 0000-0001-5872-2792
Fujian Agriculture and Forestry University, Fuzhou, China.
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2015 (engelsk)Inngår i: RSC Advances, ISSN 2046-2069, E-ISSN 2046-2069, Vol. 5, nr 113, s. 93187-93193Artikkel i tidsskrift (Fagfellevurdert) Published
Abstract [en]

The poly-aluminum silicate sulphate (PASS) for ultra-low density fiberboard (ULDF) was synthesized in the mixed aqueous solution of sodium silicate and aluminum silicate by sol-gel method. Their preparation conditions were optimized by using a response surface methodology. The effects and interactions of Si/Al molar ratio (X1), pH value (X2) and temperature (X3) on internal bond strength of ULDF were investigated. Research showed that the optimum internal bond strength (10.23 ± 0.64 kPa) was obtained under Si/Al molar ratio of 2:1, pH value of 8, and 50oC. Analyses of the Fourier transform infra-red spectroscopy spectra confirmed that Al-O-Si bonds were formed between polysilicate and Al or its hydrolysate. The particle size analysis showed that the average size of PASS was 7.52 μm. And the part of PASS entered the cell wall and made a contribution to the improvement of mechanical properties of ULDF.

sted, utgiver, år, opplag, sider
2015. Vol. 5, nr 113, s. 93187-93193
HSV kategori
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Träteknik
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URN: urn:nbn:se:ltu:diva-11170DOI: 10.1039/c5ra13996aISI: 000364065500045Scopus ID: 2-s2.0-84946549663Lokal ID: a13bd901-7be1-4b79-8be9-f494817f41c6OAI: oai:DiVA.org:ltu-11170DiVA, id: diva2:984119
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Validerad; 2015; Nivå 2; 20151022 (aliwan)

Tilgjengelig fra: 2016-09-29 Laget: 2016-09-29 Sist oppdatert: 2018-07-10bibliografisk kontrollert

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