Department of Forestry National Chung Hsing University

Properties of the Polyblends Prepared from Polyhydric Alcohol Liquefied Japanese

Cedar with Epoxy Resin

Department of Forestry National Chung-Hsing University 2007 IUFRO All-Division 5 Conference

Chiou-Chang Wu1 Wen-Jau Lee2

1Graduate student, Department of forestry, National Chung-Hsing University.2Professor, Corresponding author, Department of Forestry, National Chung-Hsing University.No.250, Guoguang Rd., South District, Taichung City 402, Taiwan (R.O.C.)

Department of Forestry

National Chung Hsing University

Fossil

Non-renewable Greenhouse

Biomass

RenewableSustainability

Nature resins modified

Introduction

Utilizing black liquid

Woody reactive

Liquefcation

Department of Forestry

National Chung Hsing University

Experiment skeleton- Liquefied Japanese cedar-

Liquefaction

Liquefied agents(PEG400/glycerol; PEG600/glycerol)

Solvent/wood: 3/1 w/wCatalyst: H2SO4

Reaction time: 75 minTemperature: 150℃

Japanese cedar (Cryptomeria japonica) Liquefied products

Department of Forestry

National Chung Hsing University

Experiment skeleton- Liquefied wood/epoxy resin polyblends -

Polyblending(LW/EP)

40/10040/100

0/1000/100

Liquefied wood epoxy resin

Department of Forestry

National Chung Hsing University

Conclusions

DSC thermoanalysis of polyblendsDSC thermoanalysis of polyblends- It was an exothermic reaction.- It could be further cross-linked with heating.

LW/EP polyblends (60/100) LW/EP polyblends (60/100) vs.vs.traditional eptraditional epoxy resinsoxy resins -heating with 90 for 3 h ℃-Its bonding strength was better.

Department of Forestry National Chung Hsing University

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