40 results about "5 chloro 2 methyl 4 isothiazolin 3 one" patented technology

A method for reducing antimicrobial compound levels in a liquid composition containing at least one antimicrobial compound. The method comprises contacting said liquid composition with a functionalized resin. Antimicrobial compounds that may be removed by this method include isothiazolin-3-ones, e.g., 2-methyl-4-isothiazolin-3-one; 5-chloro-2-methyl-4-isothiazolin-3-one; 2-n-octyl-4-isothiazolin-3-one; 4,5-dichloro-2-n-octyl-4-isothiazolin-3-one; 1,2-benzisothiazolin-3-one and N-alkyl derivatives thereof, especially N-methyl and N-n-butyl; 2,2-dibromo-3-nitrilopropionamide (DBNPA); 2-bromo-2-nitropropanediol (BNPD); dithio-2,2′-bis(benzmethylamide) (DTBMA); hexetidine; chlorphenesin, C1-C4 alkyl-4-hydroxybenzoates (alkyl parabens); 3-iodopropynylbutylcarbamate (IPBC); formaldehyde releasers and mixtures thereof.

The invention discloses a multifunctional aqueous nano-coating. The multifunctional aqueous nano-coating comprises the following components in parts by weight: 20-40 parts of water, modified cellulose ether, 2-amino-2-methyl-1-propanol, a dispersing agent, a polyether type surfactant, polydimethylsiloxane, polyoxyethylene polyoxypropylene glyceryl ether, a CMIT-MIT compound, 2,2,4-trimethyl pentanediol-1,3-monoisobutyrate, an anti-freezing agent, rutile type titanium dioxide, 25-50 parts of fillers, 0.2-1 part of nano-silver powder, polyorganosiloxane, 1-2 parts of fluoro-alkyl-polyether modified silicone, nano-titania aqueous colloid, an emulsion and a mildew preventive, wherein the main components of the CMIT-MIT compound are 2-methyl-4-isothiazolin-3-one and 5-chloro-2-methyl-4-isothiazolin-3-one. The multifunctional aqueous nano-coating has the efficacies of sterilization, formaldehyde purification and negative ion release; no harmful chemical substance is added in the whole process, and testing proves that the sterilization efficiency can reach above 99% within 24 hours, and the formaldehyde purification efficiency can reach above 80%.

Provided is a microbicide having 5-chloro-2-methyl-4-isothiazolin-3-one as the active component and a reduced amount of residual materials and hydrolysates from the organic solvents used in the industrial manufacturing method thereof. The microbicide, which includes 5-chloro-2-methyl-4-isothiazolin-3-one as the active component and has a total amount of the organic solvent and the hydrolysate thereof of no more than 200ppm when the concentration of the active component is 10 wt%, is obtained by a manufacturing method involving a process for the cyclization of sulfide amides and a process for neutralizing hydrogen halide salts of a compound comprising a 3-isothiazolone ring, wherein acetic acid ester containing no more than 0.1 wt% of water is used as the reacting solvent for the cyclization process, a hydrocarbon compound having a water content of no more than 0.1 wt% is added to the hydrogen halide salt obtained by filtering the acetic ester fluid dispersions of the hydrogen halide salt and the resulting mixture is filtered, solvents are exchanged, and the processes are carried out in an atmosphere with a water content of no more than 0.1%.

The invention discloses a solution stabilization additive, an isothiazolinone-containing composition solution capable of being used by direct dilution and application thereof. The isothiazolinone-containing composition solution capable of being used by direct dilution comprises 0.5 to 20% by weight of an isothiazolone derivative, 5 to 15% by weight of the solution stabilization additive and the balance of a solvent, wherein the isothiazolone derivative is a mixture of 5-chloro-2-methyl-4-isothiazolin-3-one and 2-methyl-4-isothiazolin-3-one, and the solution stabilization additive comprises 2-bromo-2-nitro 1, 3-propylene glycol, a magnesium salt and at least one substance selected from the group consisting of poly epoxy succinate sodium, sodium diacetate, sodium glycinate, sodium tartrate and sodium malate. The isothiazolinone-containing composition solution contains no formaldehyde, methanol and copper ions, is environment friendly, and completely avoids the corrosion of the copper ions on system equipment; the isothiazolinone-containing composition solution as a bactericide is rapid in bactericidal rate, strong in antibacterial ability, long in effect time and better in stability, can be used by direct dilution, and is convenient for users to use and lower in cost.