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KMID : 1024520140230111909
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Journal of the Environmental Sciences
2014 Volume.23 No. 11 p.1909 ~ p.1918
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Synthesis and Properties of Eco-friendly Polyurethane Adhesive without Solvent : Effect of DPE-41, TDI, Initiator and Plasticizer Content
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Ryu Ki-Jung
Park Chan-Young
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Abstract
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In this experiment no solvent based polyurethane(PU) adhesives were prepared with the polyol, isocyanate, dioctyl phthalate(DOP), 2-hydroxyethylacrylate(2-HEA) and other acrylate monomers. The softenening point of the PU adhesives measured by Ring & Ball method were examined in the present study. And adhesion strength and mechanical properties such as tensile strength and 100% modulus of the PU adhesives were evaluated by Universal Test Machine. The experimental results showed that increase of both DPE-41, benzoylperoxide(BPO) and toluene diisocyanate(TDI) increased softenening point, adhesion strength, tensile strength and 100% modulus. However as DOP content increased sofenening point, adhesion strength decreased and tensile strength, 100% modulus also decreased.
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KEYWORD
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Eco-friendly, Polyol, Isocyanate, Universal test machine, Dioctyl phthalate, Adhesion strength, 100% Modulus
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