Influence of liquefied wood polyol on the physical-mechanical and thermal properties of epoxy based polymer

被引:15
|
作者
Kumar, Anuj [1 ,2 ]
Vlach, Tomas [2 ]
Ryparova, Pavia [2 ]
Skapin, Andrijana Sever [3 ]
Kovac, Janez [4 ]
Adamopoulos, Stergios [1 ]
Hajek, Petr [2 ]
Petric, Marko [5 ]
机构
[1] Linnaeus Univ, Fac Technol, Dept Forestry & Wood Technol, Luckligs Plats 1, S-35195 Vaxjo, Sweden
[2] Czech Tech Univ, Fac Civil Engn, Dept Bldg Struct, Thakurova 7, Prague 16629 6, Czech Republic
[3] Slovenian Natl Bldg & Civil Engn Inst, Dimiceva 12, SI-1000 Ljubljana, Slovenia
[4] Jozef Stefan Inst, Jamova 39, SI-1000 Ljubljana, Slovenia
[5] Univ Ljubljana, Biotech Fac, Dept Wood Sci & Technol, Jamnikarjeva 101, Ljubljana 1000, Slovenia
关键词
Liquefied wood; Epoxy based polymer; Tensile properties; Thermo-mechanical properties; BISPHENOL-A; RESINS; EPICHLOROHYDRIN; COMPOSITES; NANOSILICA; COATINGS; ADHESIVE;
D O I
10.1016/j.polymertesting.2017.10.010
中图分类号
TB3 [工程材料学];
学科分类号
0805 ; 080502 ;
摘要
Epoxy resins are mostly produced from petroleum-based bisphenol A and epicholorhydrin. Bisphenol A is synthesized from non-renewable petroleum-based phenol and acetone. Biomass derived epoxy-based polymers (EBPs) are becoming the most promising alternative for petroleum-based counterparts, but still these biomass-based EBPs have inferior properties. In the present work, two types of epoxy resins were prepared with different weight percentages of resin (bisphenol A) and hardener. They were then modified with different weight percentages of liquefied wood from spruce sawdust. The derived EBPs were analysed in terms of tensile strength and tensile modulus, fractured surface morphology, thermal stability, long-term water adsorption and resistance to brown-rot fungus decay. The results revealed that the percentages of hardener and liquefied wood significantly influenced the overall properties of the EBPs.
引用
收藏
页码:207 / 216
页数:10
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