In situ polymerization of 2-hydroxyethyl methacrylate (HEMA) and 3-(methacryloxy)propyltrimethoxysilane (MAPTES) in poplar cell wall to enhance its dimensional stability
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Yaoge Huang
und
Fuxiang Chu
Abstract
Poplar wood samples (2×2×2 cm3) were vacuum/pressure impregnated in alcoholic solution with 2-hydroxyethyl methacrylate (HEMA) and 3-(methacryloxy)propyltrimethoxysilane (MAPTES) in a mass ratio of 3/1 in the presence of catalytic amounts of azobisisobutyronitrile (AIBN). Because of their good solubility and permeability, the HEMA/MAPTES precursors evenly penetrate the poplar cell wall. The impregnated samples were heated at 75°C for 8 h, followed by a heating period at 103±2°C for 8 h, in the course of which an in situ polymerization occurred in the cell wall. The modified wood was characterized by Fourier transform infrared (FTIR) and Raman spectroscopy, X-ray diffraction (XRD) and scanning electron microscopy (SEM). Moreover, the dimensional stability of the modified wood was measured and found to be considerably improved.
Author contributions: All the authors have accepted responsibility for the entire content of this submitted manuscript and approved submission.
Research funding: This work was supported by the National Key Research and Development Plan of China (no. 2017YFD0600203).
Employment or leadership: None declared.
Honorarium: None declared.
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©2019 Walter de Gruyter GmbH, Berlin/Boston
Artikel in diesem Heft
- Frontmatter
- Original Articles
- Accessing the natural variation of the abundances of major lignans in the heartwood of Taiwania cryptomerioides by 1H-NMR and LC-MS profiling
- Rapid detection of several endangered agarwood-producing Aquilaria species and their potential adulterants using plant DNA barcodes coupled with high-resolution melting (Bar-HRM) analysis
- Changes in sorption and electrical properties of wood caused by fungal decay
- Effect of hardening parameters of wood preservatives based on tannin copolymers
- In situ polymerization of 2-hydroxyethyl methacrylate (HEMA) and 3-(methacryloxy)propyltrimethoxysilane (MAPTES) in poplar cell wall to enhance its dimensional stability
- Isolation of pure pinosylvins from industrial knotwood residue with non-chlorinated solvents
- Towards better UV-blocking and antioxidant performance of varnish via additives based on lignin and its colloids
- Thermal stability of lignin in ground pulp (GP) and the effect of lignin modification on GP’s thermal stability: TGA experiments with dimeric lignin model compounds and milled wood lignins
- Preparation, structural changes and adsorption performance of heavy metal ions on sulfonated cellulose with varying degrees of substitution
- Mass transport and yield during spinning of lignin-cellulose carbon fiber precursors
Artikel in diesem Heft
- Frontmatter
- Original Articles
- Accessing the natural variation of the abundances of major lignans in the heartwood of Taiwania cryptomerioides by 1H-NMR and LC-MS profiling
- Rapid detection of several endangered agarwood-producing Aquilaria species and their potential adulterants using plant DNA barcodes coupled with high-resolution melting (Bar-HRM) analysis
- Changes in sorption and electrical properties of wood caused by fungal decay
- Effect of hardening parameters of wood preservatives based on tannin copolymers
- In situ polymerization of 2-hydroxyethyl methacrylate (HEMA) and 3-(methacryloxy)propyltrimethoxysilane (MAPTES) in poplar cell wall to enhance its dimensional stability
- Isolation of pure pinosylvins from industrial knotwood residue with non-chlorinated solvents
- Towards better UV-blocking and antioxidant performance of varnish via additives based on lignin and its colloids
- Thermal stability of lignin in ground pulp (GP) and the effect of lignin modification on GP’s thermal stability: TGA experiments with dimeric lignin model compounds and milled wood lignins
- Preparation, structural changes and adsorption performance of heavy metal ions on sulfonated cellulose with varying degrees of substitution
- Mass transport and yield during spinning of lignin-cellulose carbon fiber precursors
