Phenolate-containing formulation with low freezing point

Abstract

The present invention discloses an aqueous phenolates-containing liquid formulation having a solidification point of less than or equal to −10° C. which is characterized by comprising the following components: a) 50-80% by wt. of one or more phenolates; b) 0.1-10% by wt. of at least one crystallization inhibitor; and water and optionally other components forming the balance.

1 . An aqueous, phenolate-containing liquid formulation, comprising: 
 a) 50-80% by wt. of one or more phenolates;    b) 0.1-10% by wt. of at least one crystallization inhibitor;    c) water; and    d) optionally a balance of at least one other component having a biocidal effect and/or promoting a biocidal effect of said one or more phenolates;    wherein said aqueous, phenolate-containing liquid formulation has a solidification point of less than or equal to −10° C.    
   
   
       2 . The aqueous, phenolate-containing liquid formulation according to  claim 1 , which comprises as said one or more phenolates a member selected from the group consisting of salts of phenol, phenolates having one or more aliphatic substitutents, phenolates having one or more aromatic substitutents and mixtures thereof.  
   
   
       3 . The aqueous, phenolate-containing liquid formulation according to  claim 1 , which comprises as said one or more phenolates a member selected from the group consisting of o-phenylphenolates, halogenated phenolates, cresol salts, salts of halogenated cresols, resorcinol salts and mixtures thereof.  
   
   
       4 . The aqueous, phenolate-containing liquid formulation according to  claim 1 , which comprises: 
 as the cresol salts a member selected from the group consisting of salts of o-cresol, salts of m-cresol, salts of p-cresol, salts of isopropyl o-cresol, salts of 4-isopropyl m-cresol, halogenated cresols; and    as the resorcinol salts a member selected from the group consisting of salts of 4-n-hexyl resorcinol.    
   
   
       5 . The aqueous, phenolate-containing liquid formulation according to  claim 1 , which comprises one or more phenolates in an amount of 50-75% by wt.  
   
   
       6 . The aqueous, phenolate-containing liquid formulation according to  claim 1 , which comprises said at least one crystallization inhibitor in an amount of 0.5-5% by wt.  
   
   
       7 . The aqueous, phenolate-containing liquid formulation according to  claim 1 , said formulation containing as the crystallization inhibitor a member selected from the group consisting of one or more aliphatic glycol compound(s), one or more aliphatic alcohol(s), one or more aromatic alcohol(s), and mixtures thereof.  
   
   
       8 . The aqueous, phenolate-containing liquid formulation according to  claim 1 , which comprises a member selected from the group consisting of organometal compounds, quaternary ammonium compounds and mixtures thereof, and/or a member selected from the group consisting of chelating agents, antioxidants and mixtures thereof.  
   
   
       9 . The aqueous, phenolate-containing liquid formulation according to  claim 1 , which comprises a member selected from the group consisting of dicocomethylbenzylammonium chloride, tributyl tin benzoate, N-tallow-1,3-diaminopropane and mixtures thereof.  
   
   
       10 . The aqueous, phenolate-containing liquid formulation according to  claim 1 , which comprises 0.05-1% by wt. based on the formulation of a member selected from the group consisting of NTA, EDTA, DTPA, 2-phosphono-1,2,4-butanetricarboxylic acid and mixtures thereof.  
   
   
       11 . The aqueous, phenolate-containing liquid formulation according to  claim 1 , which comprises 
 a) 50-80% by wt. of at least one phenolate; and    b) 20-50% by wt. of a solvent system comprising 90-99% by wt. water and 0.1-10.0% by wt. of at least one crystallization inhibitor;    wherein a proportion of 1.0-4.9% by wt. of said formulation may be replaced by additional microbicidal agents and/or components promoting these agents.    
   
   
       12 . The aqueous, phenolate-containing liquid formulation according to  claim 1 , wherein said one or more phenolates are present in a form selected from the group consisting of a potassium salt, a sodium salt, a lithium salt and mixtures thereof.  
   
   
       13 . The aqueous, phenolate-containing liquid formulation according to  claim 1 , wherein said one or more phenolates are dissolved in a solvent system and are neutralized with an excess of 0.03-0.15 mols of at least one alkali hydroxide, based on the amount of phenolates.  
   
   
       14 . The aqueous, phenolate-containing liquid formulation according to  claim 13 , wherein 1.03-1.15 of alkali hydroxide per mol of phenolate are used for neutralization.  
   
   
       15 . The aqueous, phenolate-containing liquid formulation according to  claim 1 , wherein the crystallization inhibitors are present in an amount of 1-3% by wt. in a formulation containing 60-70% by wt. of one or more phenolates.  
   
   
       16 . The aqueous, phenolate-containing liquid formulation according to  claim 1 , comprising: 
 50-80% by wt. of said one or more phenolates;    0.1-10% by wt. of a crystallization inhibitor selected from the group consisting of one or more aliphatic glycol compound(s), glycerol, one or more aliphatic alcohol(s), one or more aromatic alcohol(s) and mixtures thereof; and    a balance with respect to 100% by wt. comprising alkali in an excess of 0.03-0.15 mol/mol and water.    
   
   
       17 . An aqueous suspension or dispersion, comprising: 
 a member selected from the group consisting of minerals, fillers, pigments, natural organic binders, synthetic organic binders, cooling lubricants and mixtures thereof; and    the aqueous, phenolate-containing liquid formulation according to  claim 1 .    
   
   
       18 . The aqueous suspension or dispersion according to  claim 17 , wherein said aqueous, phenolate-containing liquid formulation is present in an amount of 100 g/ton to 2500 g/ton of the suspension or dispersion.  
   
   
       19 . A preservative and/or mordant, comprising the aqueous, phenolate-containing liquid formulation according to  claim 1 .  
   
   
       20 . A method for the preparation of an aqueous, phenolate-containing liquid formulation comprising: 
 placing water and a neutralizing agent in a vessel;    dissolving a phenol, compound; and    adding a crystallization inhibitor.    
   
   
       21 . The method according to  claim 20 , comprising placing the crystallization inhibitor together with the water and the neutralizing agent in a vessel, and afterwards dissolving the phenol compound therein.  
   
   
       22 . The method according to  claim 20 , wherein a temperature during dissolving is 5-80° C.  
   
   
       23 . The aqueous, phenolate-containing liquid formulation according to  claim 4 , wherein said halogenated cresol is chlorinated cresols.  
   
   
       24 . The aqueous, phenolate-containing liquid formulation according to  claim 1 , which comprises one or more phenolates in an amount of 55-70% by wt.  
   
   
       25 . The aqueous, phenolate-containing liquid formulation according to  claim 1 , which comprises one or more phenolates in an amount of 60-70% by wt.  
   
   
       26 . The aqueous, phenolate-containing liquid formulation according to  claim 1 , which comprises one or more phenolates in an amount of 62-67% by wt.  
   
   
       27 . The aqueous, phenolate-containing liquid formulation according to  claim 1 , which comprises the crystallization inhibitors in an amount of 1-3% by wt.  
   
   
       28 . The aqueous, phenolate-containing liquid formulation according to  claim 7 , wherein said one or more aliphatic glycol compound(s) are a member selected from the group consisting of ethylene glycol, monopropylene glycol, diethylene glycol and mixtures thereof.  
   
   
       29 . The aqueous, phenolate-containing liquid formulation according to  claim 7 , wherein said one or more aliphatic alcohol(s) are a member selected from the group consisting of methanol, ethanol, n-propanol, iso-propanol, isomers of butanol, isomers of pentanol and mixtures thereof.  
   
   
       30 . The aqueous, phenolate-containing liquid formulation according to  claim 7 , wherein said one or more aromatic alcohol(s) are a member selected from the group consisting of benzyl alcohol, 2-phenylethane-1-ol, 3-phenylpropane-1-ol, 1-phenylpropane-2-ol and mixtures thereof.