Product containing epichlorohydrin, its preparation and its use in various applications

Abstract

Product containing epichlorohydrin and at least one alkyl glycidyl ether in an amount of less than 0.1 g/kg of product. Use of the product containing epichlorohydrin in the manufacture of epoxy resins, of glycidyl ethers, of glycidyl esters, of glycidyl amides, of glycidyl imides, of products that will be used in food and drink applications, of cationization agents, and of flame retardants, of products which will be used as detergent ingredient and of epichlorohydrin oligomers.

1 . A method for the manufacture of a product selected from the group consisting of epoxy derivatives, coagulants, wet-strength resins, cationization agents, flame retardants, detergent ingredients, and epichlorohydrin elastomers, comprising subjecting a product comprising epichlorohydrin and at least one alkyl glycidyl ether in a positive amount of less than 0.1 g/kg of product to a reaction in order to obtain said product. 
     
     
         2 . The method according to  claim 1 , wherein the content of epichlorohydrin in said product is higher than or equal to 900 g/kg of product. 
     
     
         3 . The method according to  claim 1 , wherein the alkyl glycidyl ether is methyl glycidyl ether. 
     
     
         4 . The method according to  claim 1 , wherein said product is obtained by dehydrochlorination of a composition comprising dichloropropanol and at least one chloroalkoxypropanol in an amount of less than or equal to 0.1 g/kg of composition. 
     
     
         5 . The product according to  claim 4 , wherein the chloro alkoxy propanol is selected from the group consisting of 2-chloro-3-alkoxy-propane-1-ol, 1-chloro-3-alkoxy-propane-2-ol, and mixtures thereof. 
     
     
         6 . The method according to  claim 4 , wherein the composition comprising dichloropropanol is obtained by hydrochlorination of a compound containing glycerol and at least one glycerol alkyl ether in an amount of less than or equal to 0.6 g/kg of compound. 
     
     
         7 . The method according to  claim 1 , wherein the product comprising epichlorohydrin is subjected to a reaction with a compound comprising at least one active hydrogen atom, selected from the group consisting of monoalcohols, monocarboxylic acids, polyols, polyamines, amino alcohols, polyimides and amides, polycarboxylic acids, and mixtures thereof, in order to obtain an epoxy derivative selected from the group consisting of epoxy resin, a glycidyl ether, a glycidyl ester, a glycidyl amide, and a glycidyl imide. 
     
     
         8 . The method according to  claim 1 , wherein the product comprising epichlorohydrin is reacted with ammonia, an amine, a polyaminoamide, or a polyimine in order to obtain a coagulant; or wherein the product comprising epichlorohydrin is reacted with a polyamine, a polyamide or a polyaminoamide in order to obtain a wet-strength resin. 
     
     
         9 . The method according to  claim 1 , wherein the product comprising epichlorohydrin is reacted with an amine, an amine salt, or a mixture thereof in order to obtain a cationization agent. 
     
     
         10 . The method according to  claim 1 , wherein the product comprising epichlorohydrin is reacted with a compound selected from the group consisting of phosphoric acid, a phosphoric acid salt, a phosphorus oxychloride, a phosphoric acid ester, a phosphonic acid, a phosphonic acid ester, a phosphonic acid salt, a phosphinic acid, a phosphinic acid ester, a phosphinic acid salt, a phosphine oxide, a phosphine, or a mixture thereof, in order to obtain a flame retardant. 
     
     
         11 . The method according to  claim 1 , wherein the product comprising epichlorohydrin is reacted with a monoalcohol containing from 12 to 16 carbon atoms, or with an ethoxylated alcohol, or with an amine selected from the group consisting of linear alkylamines, branched alkylamines, cycloalkylamines, alkoxyamines, amino alcohols, cyclic amines comprising at least one nitrogen atom in a ring structure, alkylenediamines, polyetherdiamines, and polyalkylenepolyaminesamine, in order to produce a detergent ingredient. 
     
     
         12 . The method according to  claim 1 , wherein the product comprising epichlorohydrin is reacted with an alkylene or phenylene oxide or with an alkylene or phenylene oxide and a glycidyl ether or homopolymerized in order to obtain an epichlorohydrin elastomer. 
     
     
         13 . The method according to  claim 1 , wherein the product is an epoxy derivative. 
     
     
         14 . The method according to  claim 1 , wherein the product comprising epichlorohydrin is subjected to a reaction with a compound comprising at least one active hydrogen atom, selected from the group consisting of monoalcohols, monocarboxylic acids, polyols, polyamines, amino alcohols, polyimides and amides, polycarboxylic acids, and mixtures thereof, in order to obtain an epoxy resin. 
     
     
         15 . The method according to  claim 3 , wherein the methyl glycidyl ether is present in an amount of less 0.08 g/kg of the product comprising epichlorohydrin. 
     
     
         16 . The method according to  claim 3 , wherein the methyl glycidyl ether is present in an amount of less 0.06 g/kg of the product comprising epichlorohydrin. 
     
     
         17 . The method according to  claim 3 , wherein the methyl glycidyl ether is present in an amount of less 0.04 g/kg of the product comprising epichlorohydrin. 
     
     
         18 . The method according to  claim 3 , wherein the methyl glycidyl ether is present in an amount of less 0.01 g/kg of the product comprising epichlorohydrin. 
     
     
         19 . The method according to  claim 14 , wherein the polyol is an aromatic polyol. 
     
     
         20 . The method according to  claim 19 , wherein the aromatic polyol is a polyphenolic compound is selected from Bisphenol A (4,4′-dihydroxy-2,2-diphenylpropane,4,4′-isopropylidenediphenol), tetrabromo Bisphenol A (4,4′-isopropylidenebis(2,6-dibromophenol)), Bisphenol AF (4,4′-[2,2,2-trifluoro-1-(trifluoromethyl)ethylidene]bisphenol)=hexafluorobisphenol A (4,4′-dihydroxy-2,2-diphenyl-1,1,1,3,3,3-hexafluoropropane),1,1,2,2-tetra(p-hydroxyphenyl)ethane, hexafluorobisphenol A, tetramethylbisphenol (4,4′-dihydroxy-3,3′,5,5′-tetramethyl bisphenol), 1,5-dihydroxynaphthalene, 1,1′,7,7′-tetrahydroxy-dinaphthyl methane, 4,4′-dihydroxy-α-methylstilbene, a condensation product of Bisphenol A with formaldehyde (Bisphenol A novolac), a condensation product of phenol with formaldehyde, preferably Bisphenol F (mixture of o,o′, o,p′ and p,p′ isomers of dihydroxy diphenylmethane), a condensation product of cresol with formaldehyde (mixtures of o,o′, o,p′ and p,p′ isomers of methyl hydroxy diphenylmethane), an alkylation product of phenol and dicyclopentadiene (2,5-bis[(hydroxy phenyl]octahydro-4,7-methano-5H-indene), a condensation product of phenol and glyoxal (tetrakis(4-hydroxy-phenyl)ethane), a condensation product of phenol and a hydroxybenzaldehyde (e.g., tris(4-hydroxyphenyl)methane), 1,1,3-tris-(p-hydroxyphenyl)-propane, and mixtures thereof. 
     
     
         21 . The method according to  claim 20 , wherein the polyphenolic compound is Bisphenol A (4,4′-dihydroxy-2,2-diphenylpropane, 4,4′-isopropylidenediphenol).