UV-curable cationic hybrid adhesives with TiO₂ nanostructure
by Xiao-Hong Tang; Jing-Wei Liu; Wen-Bin Yang
International Journal of Nanomanufacturing (IJNM), Vol. 10, No. 1/2, 2014

Abstract: UV-curable cationic hybrid adhesives containing TiO₂ nanostructures were prepared by using 3,4-epoxycyclohexylmethyl-3', 4'-epoxycyclohexanecarboxylate (CE) as UV-curable cationic monomer, triphenylsulfonium hexafluorophosphate salt (PI-432) as photoinitiator and titanium-tetraisopropoxide (TIP) as inorganic precursor. Morphology of the UV-cured hybrid adhesives was characterised by atom force microscopy (AFM). The effect of TIP content on light transmission and thermal stability of the hybrid adhesives were studied. The results showed that TiO₂ nanostructures, the average diameter of which was 20 nm or so, could be uniformly dispersed in hybrid adhesives in presence of 5 wt% 3-glycidoxypropyltrimethoxysilane (GPTS) coupling agent. The light transmission of hybrid adhesives was above 85% at 400 to 1,100 nm, so it was transparent to visible light. At the same time, the thermal stability of hybrid adhesives was also improved.

Online publication date: Sat, 17-May-2014

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