| 摘要 |
PROBLEM TO BE SOLVED: To obtain an antimicrobial polyacetal resin molded product having sufficient weather resistance, an antifungal property and an antibacterial property and useful for the switch bottoms of electric or electronic equipments, etc., by molding a resin composition so as to satisfy specific conditions. SOLUTION: This antimicrobial polyacetal resin molded product comprises a polyacetal resin composition comprising 100 pts.wt. of a polyacetal resin, 0.05-5 pts.wt. of an antioxidant such as triethylene glycol-bis[3-(t-butyl-5-methyl-4- hydroxyphenyl)propionate], 0.1-5 pts.wt. of a light absorbent having the maximum absorption wavelength of 240-360 nm, such as 2-[2-hydroxy-3,5-bis(α,α- dimethylbenzyl)phenyl]-2H-dibenzotriazole, and 0.001-2 pts.wt. of 2-pyridinethiol-1- oxide or its metal salt, and has a discolorationΔE value of <=10 after irradiated with a weather meter for 100 hr and the surface live E. coli number of <=50 bacteria/cm<2> measured after the irradiation.
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