| Budget Amount *help |
¥5,070,000 (Direct Cost: ¥3,900,000、Indirect Cost: ¥1,170,000)
Fiscal Year 2013: ¥1,170,000 (Direct Cost: ¥900,000、Indirect Cost: ¥270,000)
Fiscal Year 2012: ¥1,040,000 (Direct Cost: ¥800,000、Indirect Cost: ¥240,000)
Fiscal Year 2011: ¥2,860,000 (Direct Cost: ¥2,200,000、Indirect Cost: ¥660,000)
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| Research Abstract |
Various kinds of benzophenone or benzotiriazine UV absorbers bearing benzotriazolyl groups were synthesized in an attempt to increase the Ultraviolet Protection Factors (UPF) of UV absorbers, and improve the light fastness of dyed fabrics. Their ultraviolet-visible absorption spectra, inhibiting effect on the fading of dyes and antibacterial activity of new stabilizers was examined in various methods. It was found that new compounds show very high UPF, and play an important role in improving the light fastness of dyes. Moreover, these stabilizers were also deemed safe for environment and human health.
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