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2 results about "Acid radical" patented technology

Soluble silver ion-containing polymerizable monomer and preparation method thereof, silver-containing polymer and antibacterial coating

ActiveCN112174987ASimple preparation processRealize large-scale industrial productionGroup 1/11 organic compounds without C-metal linkagesAntifouling/underwater paintsPolymer scienceOrganic solvent
The invention belongs to the field of high-molecular compounds obtained through a carbon-carbon unsaturated bond reaction, and particularly relates to a soluble silver ion-containing polymerizable monomer, a preparation method thereof, a silver-containing polymer and an antibacterial coating. The soluble silver ion-containing polymerizable monomer can be dissolved in water or an organic solvent, and has a structure of A(AgLn)x, wherein L is a ligand capable of being complexed with silver, n is the number of ligands, A is an acid radical ion, and x is the number of acid radical negative charges; wherein at least one of A and L contains a carbon-carbon double bond. According to the soluble polymerizable monomer containing the silver ions, the polymerizable monomer containing the silver ionsis prepared in a complexing mode, and the silver ions are combined to carbon-carbon unsaturated bonds in a covalent bond or ionic bond mode. The polymerizable monomer can be dissolved in water or an organic solvent, and a silver ion-containing aqueous solution coating, a silver ion-containing organic solvent coating or a silver ion-containing emulsion coating can be conveniently obtained in a homopolymerization or copolymerization mode.
Owner:洛阳冠银生物科技有限公司

Preparation method of battery cathode material lithium nickel cobalt aluminum oxide precursor

The invention discloses a preparation method of battery cathode material lithium nickel cobalt aluminum oxide precursor and relates to the technical field of batteries. The preparation method comprises the steps of (1) preparing nickel-cobalt solution; (2) preparing precipitate; (3) purifying the precipitate; (4) preparing a premix; (5) roasting an end product. The lithium nickel cobalt aluminum oxide precursor is prepared by means of aluminum nitrate roasting; the difficulty in forming large particulate precipitate due to high precipitating speed of trivalent aluminum ions is avoided; the lithium nickel cobalt aluminum oxide precursor that is roasted has high true density. In addition, roasting allows fewer acid radicals to be left in the precipitate, and the purity of the lithium nickelcobalt aluminum oxide precursor is further improved accordingly.
Owner:HEFEI CHENGDIAN TECH CO LTD
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