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Southern pine impregnated with silicate solution containing cellulose nanofibrils
-
Yucheng Peng
,
Yousoo Han
Published/Copyright:
March 29, 2012
Abstract
A drying process has been tested to impregnate southern pine (Pinus spp.) samples with sodium silicate solution. The effect of adding cellulose nanofibrils in the treating solution was also studied. The mechanical tests show that the flexural modulus of rupture (MOR) and modulus of elasticity (MOE) increased significantly with increasing concentration of sodium silicate. The highest MOR and MOE of the treated samples were 170±13 MPa and 19±1 GPa, respectively, while the corresponding data of the control sample were 98±8 MPa and 11±1 GPa respectively. Deposition of polymerized silicate in the wood cell lumina was observed. The compression strength was improved by the incorporation of polymerized silicate to increase the measured flexural properties. The presence of cellulose nanofibrils in the sodium silicate solution had no effect.
Received: 2011-6-22
Accepted: 2012-3-5
Published Online: 2012-03-29
Published in Print: 2012-08-01
©2012 by Walter de Gruyter Berlin Boston
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- Meetings
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Articles in the same Issue
- Masthead
- Masthead
- Original Papers
- Anthraquinone polymer catalysts for alkaline delignification of lignocellulosic matter. Part 1. Syntheses and characterizations
- Anthraquinone polymer catalysts for alkaline delignification of lignocellulosic matter. Part 2. Action in soda pulping conditions on softwood and phenolic β-O-4 lignin models
- Anthraquinone polymer catalysts for alkaline delignification of lignocellulosic matter. Part 3. Delignification of softwood and action on a phenolic β-O-4 lignin model in kraft pulping conditions
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- Distribution of wood polymers within the cell wall of transgenic aspen imaged by Raman microscopy
- Chemical improvement of surfaces. Part 2: Permanent hydrophobization of wood by covalently bonded fluoroorganyl substituents
- Testing of the superhydrophobicity of a zinc oxide nanorod array coating on wood surface prepared by hydrothermal treatment
- Properties of molding plates made with albizia wood particles impregnated with alcohol-soluble PF resins prepared from phenol-liquefied lignins
- Within-ring movement of free water in dehydrating Norway spruce sapwood visualized by neutron radiography
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- Effects of systematic variation of wood adherend bending stiffness on fracture properties: Part 1. Influence of grain angle
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- Short Notes
- Distribution of extracts including 4,8-dihydroxy-5-methoxy-2-naphthaldehyde in Diospyros kaki analyzed by gas chromatography-mass spectrometry and time-of-flight secondary ion mass spectrometry
- Southern pine impregnated with silicate solution containing cellulose nanofibrils
- Meetings
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