Antibacterial agent composed of silver-containing aluminum sulfate hydroxide particles and use thereof
AssigneeKyowa Chemical Industry Co., Ltd.
InventorsTakeshi Imahashi, Xing Dong Wang, Akira Okada, Yoshie Inoue
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Abstract
An antibacterial agent composed of silver-containing aluminum sulfate hydroxide particles represented by the following formula (X-I) or (Y-I). (AgaBb-a)bAlcAx(SO4)y(OH)z.pH2O (X-I) [AgaBb-a]b[Ti3-cAlc](SO4)y(OH)z.pH2O (Y-I) The above antibacterial agent of the present invention provides antibacterial molded articles and further antifungal agents, cosmetics, antibacterial paper, antibacterial deodorizing sprays and agricultural chemicals when it is mixed with a resin.
Claims30
An antibacterial agent composed of silver-containing aluminum sulfate hydroxide particles represented by the following formula (X-I):
- (AgaBb-a)bAlcAx(SO4)y(OH)z.pH2O (X-I)
- wherein a, b, c, x, y, z and p satisfy 0.001≦a≦0.3, 0.7≦b≦1.35, 2.7<c<3.3, 0.001≦x≦0.5, 1.7<y<2.5, 4<z<7 and 0≦p≦5, respectively, B is at least one monovalent cation selected from the group consisting of Na+, NH4+, K+ and H3O+, the total value (1b+3c) obtained by multiplying the valences by the numbers of mols of the cations satisfies 8<(1b+3c)<12, and A is an organic acid anion.
A resin composition having antibacterial properties which comprises 0.001 to 300 parts by weight of the antibacterial agent of claim 1 and 100 parts by weight of a resin.
An antibacterial resin composition which comprises 0.001 to 2 parts by weight of the antibacterial agent of claim 1 and 100 parts by weight of a resin, wherein the antibacterial resin composition has transparency.
Dependencies are inferred from the claim text.