Composite metal calcium phosphate antibacterial agent, and preparation method and inorganic artificial stone thereof

Abstract

The invention discloses a composite metal calcium phosphate antibacterial agent, a preparation method thereof and an inorganic artificial stone thereof. The composite metal calcium phosphate antibacterial agent comprises nano calcium phosphate, silver atoms and copper atoms; the nano calcium phosphate is prepared by taking modified nano calcium carbonate as a raw material; silver atom and copper atom colloids are adsorbed on the surface of the nano calcium phosphate; the silver atoms are used as an activating agent, and the copper atoms are used as an antibacterial agent to be activated. The composite metal calcium phosphate antibacterial agent disclosed by the invention contains various bactericidal and antibacterial substances, has a good broad-spectrum bactericidal effect and is not easy to lose. The composite metal calcium phosphate antibacterial agent prepared by taking nano calcium carbonate as the raw material has very excellent cost advantage, is suitable for large-scale industrial manufacturing, and has the advantages of being more environment-friendly and healthier. And the prepared inorganic artificial stone has a good antibacterial effect and meets the requirements of JC / T897-2014 Standards for Antibacterial Performance of Antibacterial Ceramic Products.

Description

technical field [0001] The invention relates to the technical field of antibacterial agents and artificial stones, in particular to a composite metal calcium phosphate antibacterial agent, a preparation method thereof, and an inorganic artificial stone. Background technique [0002] The silver ions carried by the antibacterial agent in the prior art are quickly lost when encountering a liquid with strong acidity and alkalinity, and the slow-release property of the antibacterial agent is poor. [0003] Silver ions are antibacterial agents with excellent bactericidal properties. Most of their raw materials are silver nitrate, and the purchase cost is high. Moreover, silver nitrate is a strong oxidizing agent, corrosive product, and environmental pollutant. It is more environmentally friendly to reduce the use of silver nitrate. [0004] Calcium phosphate is the main component of biological bones, has biocompatibility, and has been introduced by the medical community as an art...

AI Technical Summary

Problems solved by technology

[0002] The silver ions carried by the antibacterial agent of the prior art will be lost soon when encountering a liquid with strong acidity and alkalinity, and the slow release of the antibacterial agent is poor

[0003] Silver ion is an antibacterial agent with excellent bactericidal properties. Most of its raw materials are silver nitrate, and the purchase cost is high.

Images