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Publication Date:
September 2011
ISSN:
2191-0359
DOI:
10.1515/secm.2011.025

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Science and Engineering of Composite Materials

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The composite wood by poplar wood impregnated with Na2SiO3-polyacrylamide hybrid solution

1 / Chunli Xu1 / Lanying Lin2 / Qun Wang1 / Feng Fu2

1College of Materials Science and Engineering, Beijing University of Technology, Beijing 100124, China

2Research Institute of Wood Industry, Chinese Academy of Forestry, Beijing 100091, China

Corresponding author

Citation Information: Science and Engineering of Composite Materials. Volume 18, Issue 3, Pages 151–155, ISSN (Online) 2191-0359, ISSN (Print) 0792-1233, DOI: 10.1515/secm.2011.025, September 2011

Publication History:
Published Online:
2011-09-07

Abstract

The Na2SiO3-polyacrylamide (PAM) inorganic/organic homo­geneous hybrid was prepared by polymerization of acrylamide monomer in the presence of a water-glass solution. Then, the hybrid was introduced into pores of poplar wood by impregnation treatment, and composite wood was produced. The structure of the controlled and treated wood specimen was investigated by scanning electrode microscopy (SEM) and Fourier transform infrared spectroscopy (FT-IR). The thermal stability of the composite wood was evaluated by thermogravimetric (TG) and oxygen index. The results showed that the treated wood showed a lower weight loss and higher oxygen index when weight percent gains (WPG) of the composite wood reached 31.6%. Also, the composite wood showed improved bending strength, modulus of elasticity in static bending, and hardness, when compared with controlled samples.

Keywords: composite wood; hybrid solution; impregnation; Na2SiO3-polymer

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