On the study of the effect of silica on the metal-complex dye polyurethane ionomers

• Main Author: 林佑霖
• Other Authors: 郭陽明
• Format: Others
• Published: 2002
• Online Access: http://ndltd.ncl.edu.tw/handle/24981928814750510200

碩士 === 中國文化大學 === 應用化學研究所 === 90 === The addition of siloxane into metal-complex red、yellow and black dye react with toluene diisocyanate and other ingredients to form the structure of siloxane with metal-complex dye polyurethane ionomer has been proven by FT-IR spectrum. Experimental results show that viscosity for siloxane with metal-complex dye polyurethane ionomer in aqueous solution appear to increase with increasing the concentration of siloxane because of increasing free volume of the polyurethane ionomer molecule. As for the surface tension of siloxane with metal-complex dye polyurethane ionomer in water, it was found not to change with increasing the concentration of siloxane in metal-complex dye polyurethane ionomer, as results of the saturation of hydrophobic groups adsorbed at the surface of water. In addition, the number average particle size for this polyurethane ionomer molecule is seem to increase with increasing siloxane concentration. This is the result of increased free volume of the polyurethane ionomer molecule. The experimental data indicate that the tensile strength for self-cured film of siloxane with metal-complex dye polyurethane ionomer appear to increase with increasing the concentration of siloxane in metal-complex dye polyurethane ionomer. The reason that increased amount of siloxane in the metal-complex dye polyurethane ionomer dose not enhance the interaction between ionomer molecule themselves. It is interesting to note that the electronic resistance for siloxane with metal-complex dye polyurethane ionomer molecule decreases with increasing the concentration of siloxane, as a result of ordered structure increase.