Silver-containing tobermorite

Details Silver-containing tobermorite Silver-containing tobermorite

C - Chemistry, Metallurgy

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B

C01B 33/24 (2006.01) A01N 59/16 (2006.01) A23L 3/3427 (2006.01) A23L 3/3445 (2006.01) A23L 3/358 (2006.01) A61L 2/16 (2006.01) C01B 33/20 (2006.01) C01B 33/38 (2006.01)

Patent

CA 2105593

A novel silver-containing tobermorite usable in place of silver-, copper- or zing-incorporating zeolites and having ethylene-adsorbing ability and antibacterial properties. Stated more particularly, a silver-containing tobermorite having a composition of [Ca5-y/2Agy+zMx-z(Si?-xAlxO1?H2) 4H2O, 0 ? X ? 1, 0.001 ? Y ? 2, 0 ? Z ? 0.1, M is a monovalent cation] and prepared from a tobermorite [Ca5Mx(Si?-xAlxO1?H2) 4H2O, O ? X ? 1, M is as defined above] by exchanging Ca2+, or Ca2+ and a monovalent cation which are interlayer ions of the tobermorite for silver ion. The silver-containing tobermorite is excellent in heat resistance, water resistance and mechanical strength, and also outstanding in ethylene-adsorbing ability and antibacterial properties.

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