| Budget Amount *help |
¥18,720,000 (Direct Cost: ¥14,400,000、Indirect Cost: ¥4,320,000)
Fiscal Year 2013: ¥4,810,000 (Direct Cost: ¥3,700,000、Indirect Cost: ¥1,110,000)
Fiscal Year 2012: ¥5,460,000 (Direct Cost: ¥4,200,000、Indirect Cost: ¥1,260,000)
Fiscal Year 2011: ¥8,450,000 (Direct Cost: ¥6,500,000、Indirect Cost: ¥1,950,000)
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| Research Abstract |
Viscosity coefficient in polymer solution under light irradiation was investigated. Semi rigid polymers containing azobenzene moieties was synthesized with a reaction of 2,2-bis(4-aminophenyl)- hexafluoropropane and azobenzene 4,4-dicarbonyl dichroride in this experiment. In the case of dilute concentration of polymer, inherent viscosity was decreased under blue light illumination, where as inherent viscosity was increased under blue light illumination when polymer concentration is above 0.7 wt%. The maximum increase of inherent viscosity up to 11% was obtained in 5 wt% polymer solution. The relationship between radius of inertia and inherent viscosity of trans form and cis form in azobenzene was revealed.
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