Nitrogen-containing inorganic carrier materials

Abstract

The invention relates to nitrogen-containing inorganic carrier materials, more particularly to inorganic carrier materials containing organically bonded nitrogen, to their preparation and also to their use for stabilizing iodine-containing compounds, and also to binder formulations comprising them and to the use thereof for protecting industrial materials.

1 . Nitrogen-containing inorganic carrier material, comprising at least one adsorptively or covalently bonded nitrogen-containing compound. 
     
     
         2 . Nitrogen-containing inorganic carrier material according to  claim 1 , characterized in that the nitrogen is present in organically bonded form. 
     
     
         3 . Nitrogen-containing inorganic carrier material according to  claim 1  or  2 , characterized in that it has a nitrogen content of 0.01% to 10% by weight. 
     
     
         4 . Nitrogen-containing inorganic carrier material according to any of  claims 1  to  3 , characterized in that it has been prepared by reaction of inorganic carrier materials with at least one nitrogen-containing compound. 
     
     
         5 . Nitrogen-containing inorganic carrier material according to  claim 4 , characterized in that the nitrogen-containing compounds are organic compounds. 
     
     
         6 . Nitrogen-containing inorganic carrier material according to any of  claims 1  to  5 , characterized in that the nitrogen-containing compounds are selected from the following:
 A) compounds of the formula (Ia)
   R 1 R 2 R 3 N  (Ia)
 
 
 in which 
 R 1 , R 2  and R 3  each independently of one another are hydrogen, alkyl, alkenyl or aryl or in pairs together form a 3- to 7-membered N-heterocyclic, aliphatic, unsaturated or aromatic ring,
 the radicals alkyl, alkenyl or aryl or the 3- to 7-membered N-heterocyclic, aliphatic, unsaturated or aromatic ring being either unsubstituted or substituted one or more times by radicals selected from the group consisting of hydroxyl, fluoro, chloro, bromo, iodo, carboxyl, alkylsulphonyl, arylsulphonyl, nitrile and isonitrile, 
 
 but at least one of the radicals R 1 , R 2  and R 3  is not hydrogen 
 B) polyamines 
 C) aziridines. 
 
     
     
         7 . Nitrogen-containing inorganic carrier material according to any of  claims 1  to  6 , characterized in that the inorganic carrier material is silica, more particularly fumed silicas, kieselguhr, porosils, clathrasils, dealuminated zeolites, aluminosilicates, zeolites, natural or synthetic tectosilicates, natural silicates, mica or pyrogenic metal oxides. 
     
     
         8 . Nitrogen-containing inorganic carrier material according to  claim 6 , characterized in that the aziridines are those of the formula I 
       
         
           
           
               
               
           
         
         where 
         R 1  is hydrogen, alkyl or cycloalkyl, each of which are unsubstituted or substituted and/or mono- or polyethylenically unsaturated, or in each case substituted or unsubstituted fullerenyl, aryl, alkoxy, alkoxycarbonyl, arylcarbonyl, alkanoyl, carbamoyl or oxomethylene, 
         R 2 , R 3 , R 4  and R 5  independently of one another have the same definition as R′ and additionally independently are halogen, hydroxyl, carboxyl, alkylsulphonyl, arylsulphfonyl, nitrile or isonitrile, or the radicals 
         R 2  and R 4  or R 3  and R 5 , together with the carbon atoms to which they are attached, form a 5- to 10-membered carbocyclic ring which is unsubstituted or substituted and/or mono- or polyethylenically unsaturated. 
       
     
     
         9 . Process for preparing nitrogen-containing inorganic carrier materials according to any of  claims 1  to  8 , characterized in that
 a) at least one nitrogen-containing compound, preferably a liquid, nitrogen-containing compound, or solutions of at least one preferably liquid, nitrogen-containing compound in an organic solvent, preferably in a VOC-free or low-VOC solvent, is or are mixed with an inorganic carrier, or 
 b) at least one nitrogen-containing compound is dissolved in an organic solvent and mixed with an inorganic carrier material, optionally with addition of suitable dispersing assistants, and the nitrogen-containing inorganic carrier material is isolated, or 
 c) an emulsion comprising at least one nitrogen-containing compound, water, at least one organic solvent and, optionally, emulsifiers is mixed with an inorganic carrier material, and the nitrogen-containing inorganic carrier material is isolated, or 
 d) an aqueous dispersion of an inorganic carrier material, optionally comprising dispersing assistants, is mixed with an emulsion comprising at least one nitrogen-containing compound, water, at least one organic solvent and optionally emulsifiers, and the nitrogen-containing inorganic carrier material is isolated, or 
 e) an aqueous dispersion of an inorganic carrier material, optionally comprising dispersing assistants, is mixed with an aqueous solution comprising at least one nitrogen-containing compound and optionally emulsifiers, and the nitrogen-containing inorganic carrier material is isolated. 
 
     
     
         10 . Use of nitrogen-containing inorganic carrier materials according to any of  claims 1  to  8  for stabilizing iodine-containing compounds. 
     
     
         11 . Composition comprising
 a) at least one nitrogen-containing inorganic carrier material according to any of  claims 1  to  8  and   b) at least one iodine-containing compound.   
     
     
         12 . Composition according to  claim 11 , comprising as iodine-containing compound at least diiodomethyl p-tolylsulphone, diiodomethyl p-chlorophenyl sulphone, 3-bromo-2,3-diiodo-2-propenyl alcohol, 2,3,3-triiodoallyl alcohol, 4-chloro-2-(2-chloro-2-methylpropyl)-5-[(6-iodo-3-pyridinyl)methoxy]-3(2H)-pyridazinone (CAS RN: 120955-77-3), iodofenfos, 3-iodo-2-propynyl 2,4,5-trichlorophenyl ether, 3-iodo-2-propynyl-4-chlorophenyl formal (IPCF), N-iodopropargyloxycarbonylalanine, ethyl N-iodopropargyloxycarbonylalanine, 3-(3-iodopropargyl)benzoxazol-2-one, 3-(3-iodopropargyl)-6-chlorobenzoxazol-2-one, 3-iodo-2-propynyl alcohol, 4-chlorophenyl-3-iodopropargyl formal, 3-iodo-2-propynyl propylcarbamate, 3-iodo-2-propynyl butylcarbamate (IPBC), 3-iodo-2-propynyl m-chlorophenylcarbamate, 3-iodo-2-propynyl phenylcarbamate, di(3-iodo-2-propynyl)hexyldicarbamate, 3-iodo-2-propynyloxyethanol ethylcarbamate, 3-iodo-2-propynyloxyethanol phenylcarbamate, 3-iodo-2-propynyl thioxothioethylcarbamate, 3-iodo-2-propynyl carbamate (IPC), 3-bromo-2,3-diiodo-2-propenyl ethylcarbamate, 3-iodo-2-propynyl n-hexylcarbamate or 3-iodo-2-propynyl cyclohexylcarbamate. 
     
     
         13 . Composition according to  claim 11  or  12 , comprising as iodine-containing compound IPBC. 
     
     
         14 . Binder formulation comprising
 at least one binder,   at least one iodine-containing compound and   at least one nitrogen-containing inorganic carrier material according to one of  claims 1  to  8 .   
     
     
         15 . Binder formulation according to  claim 14 , comprising at least one oxidatively drying binder. 
     
     
         16 . Binder formulation according to  claim 15 , comprising at least one transition metal dryer. 
     
     
         17 . Binder formulation according to  claim 15  or  16 , comprising
 1% to 80% by weight of alkyd resin binder(s), 
 0% to 50% by weight of colour pigments, 
 0.01 to 5% by weight of an iodine-containing compound 
 0.001% to 5% by weight of a nitrogen-containing inorganic carrier material according to one of  claims 1  to  8   
 2% to 97% by weight of solvent(s) and 
 0.001% to 3% by weight of at least one transition metal dryer. 
 
     
     
         18 . Use of the compositions according to one of  claims 11  to  13  for protecting industrial materials against destruction or infestation by microorganisms. 
     
     
         19 . Industrial materials comprising at least one iodine-containing compound and at least one nitrogen-containing inorganic carrier material according to one of  claims 1  to  8 .