In situ polymerization of 2-hydroxyethyl methacrylate (HEMA) and 3-(methacryloxy)propyltrimethoxysilane (MAPTES) in poplar cell wall to enhance its dimensional stability-Reference-Cited by-同舟云学术

In situ polymerization of 2-hydroxyethyl methacrylate (HEMA) and 3-(methacryloxy)propyltrimethoxysilane (MAPTES) in poplar cell wall to enhance its dimensional stability

Published:2018-12-25 Issue:5 Volume:73 Page:469-474
ISSN:1437-434X
Container-title:Holzforschung
language:en
Short-container-title:

Author:

Huang Yaoge¹,Li Gaiyun¹,Chu Fuxiang²

Affiliation:

1. Research Institute of Wood Industry , Chinese Academy of Forestry , Xiangshan Road , Haidian District, Beijing 100091 , China

2. Chinese Academy of Forestry , Xiangshan Road , Haidian District, Beijing 100091 , China

Abstract

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.

Publisher

Walter de Gruyter GmbH

Subject

Biomaterials

Link

https://www.degruyter.com/document/doi/10.1515/hf-2018-0139/pdf

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