Abstract: Organic polymeric substrates, for example polyolefins such as polypropylene, can be made flame retardant by the incorporation of a synergistic mixture of (i) at least one compound selected from the group consisting of the (a) sterically hindered nitroxyl stabilizers, (b) sterically hindered hydroxylamine stabilizers and (c) sterically hindered alkoxyamine stabilizers and (ii) at least one phosphazene flame retardant. Advantageously, a further flame retardant may be added, without the need of adding an antimony synergist. The compositions of the invention combine good flame retardant properties with light stability and good mechanical properties.

Abstract: The present invention describes a process for preparing a synergistic stabilizer mixture comprising the components of the general formulae (I), (II) and (III) in accordance with claim 1, characterized by the reaction of compounds of the formula (V) with an epihalohydrin of the formula (VI) in the presence of a phase transfer catalyst and from 4 to 20 times the molar amount of an alkali metal hydroxide, relative to compound (V), at from 20 to 220° C. Removal of the excess epihalohydrin and phase separation are followed by polymerization at from 100 to 240° C.

Abstract: The invention relates to a compound containing at least one health promoting isolated antioxidant A having a redox potential of less than 180 mV and at least one stabilising antioxidant B which has a standard redox potential which is less than the standard redox potential of the antioxidant A. The use of the inventive compound and method for the production thereof are also disclosed.

Abstract: Surprisingly effective additive formulations for the reduction of highly undesirable yellowing or other discoloration of white, uncolored, polyurethane foam articles are provided. White polyurethane foam exhibits a susceptibility to yellowing and discoloration to a great extent, particularly in relatively short periods of time, than other types of polymeric articles. The inventive additives impart excellent low-discoloration properties over appreciable amounts of time of regular exposure to harmful elements, thereby according the pertinent industry a manner of providing white polyurethane foams for longer periods of time. Methods of producing such reliably white-colored polyurethane foams are also provided.

Abstract: A polypropylene composition containing the components: a) a crystallizable polypropylene homopolymer, random copolymer, alternating or segmented copolymer, block copolymer or a blend of polypropylene with another synthetic polymer, and b) 0.001 to 5% relative to the weight of component (a), of a specific trimesic acid derivative.

Abstract: The present invention relates to the prevention of scorching before crosslinking of a thermoplastic and/or elastomeric composition with peroxides or azo compounds. This is achieved by using a nitroxide in combination with at least one crosslinking promoter (promoter) chosen from group (P) consisting of compounds containing at least one double bond, which may be difunctional or polyfunctional.

Abstract: A stabilizer composition is described and comprises a 2-cyano-3,3-diarylacrylate, a sterically hindered monomeric amine, a sterically hindered phenol and, where appropriate, a chromane derivative and/or an organic phosphite and/or phosphonite. The stabilizer composition is particularly suitable for stabilizing thermoplastic polyurethane with respect to light, oxygen, and heat.

Abstract: A stabilizer composition is described and comprises a 3-arylacrylate, a polymeric compound with molecular weight at least 2000, bearing, on a polymeric framework, side groups having amine functions, where all of the substituents in the ?-position to the amine nitrogen atom are other than hydrogen, and comprises a sterically hindered phenol. The stabilizer composition is particularly suitable for stabilizing thermoplastic polyurethane with respect to light, oxygen, and heat.

Abstract: where R is an aryl moiety, such as phenyl, naphthyl or biphenylyl, or is phenyl substituted by one or more trifluoromethyl, bromo or cyano, and E1 and E2 are independently hydrogen, alkyl, aralkyl and the like are prepared by reaction of a benzotriazole substituted on the 5-position of the benzo ring by a halogen atom with a arylboronic acid or ester in the presence of a transition-metal catalyst, such as palladium (II) diacetate. The benzotriazole compounds of formula I are particularly efficacious as stabilizers for automotive coatings and candle wax.

Abstract: Polychloroethylene, e.g., trichioroethylene and perchloroethylene, is stabilized with a stabilizing amount of a stable free radical stabilizer, e.g., a material having the 2,2,6,6-tetra(lower alkyl)-1-piperidinyloxy-yl free radical group, such as 2,2,6,6-tetramethyl-4-hydroxy-1-piperidinyloxy, or the 2,2,5,5-tetra(lower alkyl)pyrrolidinyloxy group, such as 2,2,5,5-tetramethyl pyrrolidinyloxy. Stable free radical stabilizer is removed from a polychloroethylene composition containing same by contacting the composition with silica, e.g., precipitated silica.

Abstract: An antioxidant composition having enhanced oxidative stability, emulsion stability, and health benefits. The composition may include individual ingredients or a synergistic blend of non-reducing sugars, sugar polyols, medium-chain triglycerides, polysaccharides, polyphenols, phospholipids, chitosan, and alpha-casein, beta-casein, kappa-casein or protein fragments, glycopeptides, phosphopeptides. The composition may optionally be further utilized for the prevention of hypercholesterolemia or bone mineral loss.

Abstract: A stabilizer mixture for one or more compounds of the general formula (1) and (1A) but preferably (1), wherein the groups R independently stand for an alkyl-, cycloalkyl-, aralkyl- or aryl-rest whereas the aromatic ring system may be optionally substituted by one or more groups R? which may be identical or different and which groups R? can be an aryl-, a saturated or unsaturated alkyl-, aralkyl- or cycloalkyl-group as well as halogen, an amino-, aminoalkyl-, aminocycloalkyl-, cyano-, thiocyano- or nitrogroup. and a UV-absorber, hindered amine stabilizer, sterically hindered phenol, organophosphite, organophosphonite, organophosphine, or mixtures thereof. The present invention is useful in the protection of various polymeric substrates against the damaging influence of light exposure by the long term storage of polymers. This effect can be observed especially in so-called engineering plastics (such as, for example, PC, PET, PBT, ABS, TPU).

Abstract: The invention relates to stabilizer systems, containing at least: a) a perchlorate salt; b) at least one or more compounds from the group consisting of carbamides, indole derivatives and enamines of formula (I), wherein n=1 or 2 and X=O or NR1; n=3–6 and X=O; R1=H, C1–C4-alkyl, C2–C6-alkenyl, C6–C10-aryl, C7–C18-alkaryl or C7–C18-aralkyl; R2 (if n=1)=C1–C22-alkyl, C2–C22-alkenyl or aryl, preferably phenyl, optionally substituted with up to 3 hydroxy, C1–C4-alkoxy or C1–C9-alkyl; or R2 (if n=2–6)=linear or branched C1-22-alkylene, optionally interrupted by one or more O or S atoms, wherein R2 (if n=3) can also be a C2–C3-alkyl trisubstituted isocyanurate; if X=NH R2 can also be H. Said stabilizer systems are suitable for stabilizing halogen-containing polymers, more particularly PVC.

Abstract: A method for preserving wood which comprises contacting the wood with a complex of a cationic monomeric or polymeric biocide and an anionic monomeric or polymeric biocide. Insoluble complexes may solubilized in water in the form of an emulsion or microemulsion by adding a nonionic and/or amphoteric surfactant and/or aqueous cosolvent to the complex. Suitable cationic biocides are those that contain functionalities such as amidine, guanidine, biguanide, quaternary, phosphonium, sulfonium and gemini quaternary functionalities. Suitable anionic biocides include: phenolics; saturated, unsaturated or substituted carboxylates; organomercaptide; tetrathiocarbonates; cyanodithioimidocarbamates; dithiodialkylcarbamates; anionic oxides of transition metals; aminocarboxylic acids; aminoorganophosphonic acids; monoalkyl phosphates; dialkylphosphates; and substituted or unsubstituted 2-hydroxy-2,4,6-cycloheptatrianone.

Abstract: In this application is disclosed a resin additive composition which can by produced by precipitating a calix(n+m+l)arene represented by the following general formula (2) and in a dissolved state together with or at the same time at least one functional ingredient selected from the group consisting of various water-soluble or hydrophilic resin flam-retardants, resin thermal stabilizers and resin curing agents, and in a dissolved or suspended state. This resin additive composition has a good affinity for organic polymers such as polyolefin and the like, which allows the functional ingredient(s) to be dispersed homogeneously in the resin. Therefore are provided high-performance resin compositions comprising various functional ingredient(s).

Abstract: An aerosol archival product that includes an aerosol archival composition and may be disposed in a pressurized container. The aerosol archival composition includes one or more chlorinated fluorinated hydrocarbons, an amino-containing compound and a basic metal compound. The aerosol archival composition may also contain an adhesion promoter.

Abstract: A stabilizer mixture containing A) either (A1) at least one compound of the formula in which R1 is for example hydrogen or C1–C8alkyl; R2, R3, R5 and R6 are for example hydrogen, C1–C30alkyl or phenyl; R4 is for example C1–C30alkyl or 2,2,6,6-tetramethyl-4-piperidyl; and n1 is a number from 1 to 50; or (A2) at least one compound of the formulae wherein n2 and n2* are a number from 2 to 50; B) magnesium oxide, magnesium hydroxide, zinc oxide, zinc hydroxide or an organic salt of zinc or magnesium; and C) either (C1) an UV absorber or (C2) a pigment or (C3) an UV absorber and a pigment; with the proviso that, when component A) is at least one compound of the formulae (IIIa) and (IIIb), component B) is magnesium oxide, magnesium hydroxide or an organic salt of zinc or magnesium. Such a stabilizer mixture is particularly useful for stabilizing a polyolefin against light-induced degradation.

Abstract: Disclosed herein is a method for inhibiting the premature polymerization of ethylenically unsaturated monomers comprising adding to said monomers an effective amount of at least one inhibitor selected from the group consisting of C-nitrosoaniline and quinone imine oxime compounds. Also disclosed is a composition of matter comprising: A) an ethylenically unsaturated monomer and B) an effective inhibiting amount, sufficient to prevent premature polymerization during distillation or purification of said ethylenically unsaturated monomer, of at least one inhibitor selected from the group consisting of C-nitrosoaniline and quinone imine oxime compounds used together with an effective amount of oxygen or air to enhance the inhibiting activity of said inhibitor.

Abstract: A stabilizer mixture containing A) for example at least one compound of the formula (I) wherein the radicals R1, independently of one another, are hydrogen, C1–C8alkyl, —O?, —CH2CN, C3–C6alkenyl, C7–C9phenylalkyl, C7–C9phenylalkyl which is substituted on the phenyl radical by C1–C4alkyl; or C1–C8acyl; and B) magnesium oxide, magnesium hydroxide, zinc oxide, zinc hydroxide or an organic salt of zinc or magnesium, or a hydrotalcite; and C) either (C1) an UV absorber or (C2) a pigment or (C3) an UV absorber and a pigment. Such a stabilizer mixture is particularly useful for stabilizing a polyolefin against light-induced degradation.

Abstract: A composition comprising aminoalkyl imidazoline or alkyl-substituted succinimide antifoulants or mixtures thereof, and use of aminoalkyl imidazolines and alkyl-substituted succinimides to prevent fouling in (meth)acrylic acid manufacturing processes and processes in which (meth)acrylic acid is used in a reaction and where unreacted (meth)acrylic acid is recovered.

Abstract: The invention relates to stabilizers containing at least two phenolic groups bonded to one another via a connecting radical (II) which is a polyol with a number-average molecular weight of from 75×F g/mol to 250×F g/mol, preferably from 100×F g/mol to 200×F g/mol, in particular from 100×F g/mol to 150×F g/mol, where the term F is the number of phenolic groups in the molecule.

Abstract: A method of preserving cellulosic material that includes the application of an archival composition on the substrate. The aerosol archival product includes an aerosol archival composition and may be disposed in a pressurized container. The aerosol archival composition includes one or more chlorinated fluorinated hydrocarbons, an amino-containing compound and a basic metal compound. The aerosol archival composition may also contain an adhesion promoter.

Abstract: This invention relates to a corrosion inhibiting composition comprising (a) an aliphatic amine, (b) an azole selected from the group consisting of (1) tolyltriazole, (2) benzotriazole, and (3) mixtures thereof, and (c) a benzoate. The compositions are particularly useful in inhibiting the corrosion of metal equipment, particularly equipment made from cast iron and aluminum, and more particularly, engine blocks that have been subjected to water flushing. The invention also relates to a process for inhibiting corrosion, particularly the vapor phase corrosion of metal equipment.

Abstract: A substrate that is treated with an archival composition. An aerosol archival product includes the aerosol archival composition and may be disposed in a pressurized container. The aerosol archival composition includes one or more chlorinated fluorinated hydrocarbons, an amino-containing compound and a basic metal compound. The aerosol archival composition may also contain an adhesion promoter.

Abstract: The invention relates to mixtures of phosphonite (component A) and/or an ester and/or salt of a long-chain fatty acid (component B), and/or a carboxylic ester, and/or carboxylic amide (component C), and also to their use in polyamides or in polyesters.

Abstract: A stabilizer mixture containing (A) for example a compound of the formula (A-I) wherein R1 is hydrogen or C1-C4alkyl, R2 is a direct bond or C1-C10alkylene and n1 is a number from 2 to 50; (B) a sterically hindered amine compound; and (C) anatase; with the proviso that the component (B) is different from a compound of the formula (A-I).

Abstract: Mixtures of compounds comprising a compound G2 and at least one further compound from the group G0, G1, G3, G4, G5, G6, the compounds G0-G6 corresponding to formula (I) in which, in the compound G0, the radicals R1, R2, R3, R4, R5 and R6 are each hydrogen; G1, the radical R1 is Q and R2, R3, R4, R5 and R6 are each hydrogen; G2, the radicals R1 and R2 independently of one another are each Q and R3, R4, R5 and R6 are each hydrogen; G3 the radicals R1, R2 and R3 independently of one another are each Q and R4, R5 and R6 are each hydrogen; G4, the radicals R1, R2, R3 and R4 independently of one another are each Q and R5 and R6 are each hydrogen; G5, the radicals R1, R2, R3, R4 and R5 independently of one another are each Q and R6 is hydrogen; G6, the radicals R1, R2, R3, R4, R5 and R6 independently of one another are each Q; and Q and the other symbols are as defined in claim 1, are effective as stabilizers for organic material with respect to damaging exposure to light, oxygen and/or heat.

Abstract: The invention is a decorating medium, system and method for producing relief art on substrate surfaces. The decorating medium is an acrylic emulsion based medium containing an expandable polymer which expands the medium upon heating. The acrylic emulsion is produced with a mixture of an acrylic binder and an acrylic thickener or a cellulosic thickener combined in the appropriate range to obtain a medium rheology suitable for controlled application of the medium to the substrate surfaces. The decorating medium is applied to a substrate surface in a desired pattern either directly from a storage bottle or tube equipped with a nozzle or with an applicator such as a brush, a sponge, a knife or spatula. The desired pattern is achieved by free hand or by using a stencil or mask. After the decorating medium is applied to the surface of the substrate in the desired pattern, the medium is cured and heated. The heat causes the medium to expand and creates the relief art on the surface of the substrate.

Abstract: A composition of matter is disclosed that comprises a compound of the formula AnR, wherein: A is R1 is hydrocarbyl; m is 0 or 1; n is 1, 2, or 3; R is selected from the group consisting of: mono-, di-, and trivalent aliphatic groups; mono-, di-, and trivalent aromatic groups; five- and six-membered heterocyclic rings comprising n carbon atoms bonded to A, at least one nitrogen atom, and, optionally, at least one sulfur atom; and wherein R2 and R3 are independently selected from the group consisting of hydrogen and hydrocarbyl. These compounds are useful as coupling agents in filled elastomer compositions.

Abstract: Disclosed herein is a method for inhibiting the premature polymerization of ethylenically unsaturated monomers comprising adding to said monomers an effective amount of at least one inhibitor selected from the group consisting of C-nitrosoaniline and quinone imine oxime compounds. Also disclosed is a composition of matter comprising: A) an ethylenically unsaturated monomer and B) an effective inhibiting amount, sufficient to prevent premature polymerization during distillation or purification of said ethylenically unsaturated monomer, of at least one inhibitor selected from the group consisting of C-nitrosoaniline and quinone imine oxime compounds used together with an effective amount of oxygen or air to enhance the inhibiting activity of said inhibitor.

Abstract: Disclosed herein is a method for inhibiting the premature polymerization of ethylenically unsaturated monomers comprising adding to said monomers an effective amount of: A) at least one first inhibitor selected from the group consisting of C-nitrosoaniline compounds; and B) at least one second inhibitor selected from the group consisting of quinone alkides, nitroaromatic compounds, hydroxylamine compounds, phenylenediamine compounds, quinone compounds, and hydroquinone compounds. Also disclosed is a composition of matter comprising: A) at least one member selected from the group consisting of C-nitrosoaniline compounds; and B) at least one member selected from the group consisting of quinone alkides, nitroaromatic compounds, hydroxylamine compounds, phenylenediamine compounds, quinone compounds, and hydroquinone compounds.

Abstract: Certain multi-substituted dibenzylidene sorbitol acetals having electron withdrawing groups as constituents and electron donating groups on the other such that the compounds are asymmetric in structure and are dipolar in nature are provided. Polymer compositions comprising such compounds, are also contemplated which may be utilized within, as merely examples, food or cosmetic containers and packaging. These inventive asymmetric dipolar dibenzylidene sorbitol acetals are also useful as gelling agents for water and organic solvents, particularly those used in the preparation of antiperspirant gel sticks.

Abstract: An aerosol archival product that includes an aerosol archival composition disposed in a pressurized container. The aerosol archival composition includes one or more chlorinated fluorinated hydrocarbons, an amino-containing compound and a basic metal compound. The aerosol archival composition may also contain an adhesion promoter.

Abstract: A stabilizer mixture containing (A) a sterically hindered amine compound, and (B) a polymer containing polar residues, the weight ratio of components (A) (B) being 20:1 to 1:20, with the provisos that, (1) component (B) is different from component (A) and does not contain groups of formulae (I) or (II) in which G is hydrogen or methyl, and G1 and G2, independently of one another, are hydrogen, methyl or together are a substituent ?O; and (2) component (B) is different from a polymer having an acidic hydrogen atom.

Abstract: A boiler water treatment chemical includes a heterocyclic compound with N-substituted amino group, or the salt thereof, and alkaline agent and/or water soluble polymer.

Abstract: The present invention relates to a coating composition containing an oxidatively drying binder and, as anti-skinning agents, a mixture of A) an aliphatic amine corresponding to formula (Ia) and/or its salts corresponding to formula (Ib): ?wherein R1, R2 and R3 each independently of the others represents hydrogen (H); a linear or branched C1-C20-alkyl radical which is optionally unsaturated or which is optionally mono- or poly-substituted by a hydroxyl radical, an alkoxy radical, an amine radical corresponding to the formula N(R1)(R2), or a C5-C7-cycloalkyl radical, and A? represents a salt-forming anion, and B) with a compound corresponding to formula (II) ?wherein R1 and R4 each independently of the other represents hydrogen (H), a C1-C4-alkyl radical, a C6-C24-aryl radical or a C5-C7-cycloalkyl radical, a hydroxyl radical or a C1-C4-alkoxy radical, —O? (oxygen anion), R2 represents H, a C1-C4-alkyl radical, or A? (anion), R3 represents H, a C1-C4-alkyl radical, and n represents 0, 1 or 2.

Abstract: Certain multi-substituted dibenzylidene sorbitol acetals having electron withdrawing groups as constituents and electron donating groups on the other such that the compounds are asymmetric in structure and are dipolar in nature are provided. Polymer compositions comprising such compounds, are also contemplated which may be utilized within, as merely examples, food or cosmetic containers and packaging. These inventive asymmetric dipolar dibenzylidene sorbitol acetals are also useful as gelling agents for water and organic solvents, particularly those used in the preparation of antiperspirant gel sticks.

Abstract: An Anti-gelling agent for a hydrocarbon mixture containing a conjugated diene, which comprises (a) at least one compound selected from the group consisting of compounds having an NO radical in the molecule, and precursor compounds capable of forming an NO radical, (b) a phosphorus-containing compound, and (c) at least one compound selected from the group consisting of heterocyclic aldehydes, aromatic aldehydes and condensates of these aldehydes. Clogging in an apparatus for separating and refining a hydrocarbon mixture containing a conjugated diene can be prevented by adding the anti-gelling agent in the apparatus.

Abstract: The present invention provides compounds having the formula (1) in which each of the radicals R1, R2, R3 and R4, independently, represent hydrogen, hydroxy, halogen, C1-C20-alkyl, C1-C20-alkoxy, CN or COOR5, in which R5 is C1-C20-alkyl and Z represents a heterocyclic residue selected from the 2H-benzo[1,2-d]triazol-2-yl, 2H-naphtho[1,2-d]triazol-2-yl, benzimidazol-2-yl, benzoxazol-2-yl and benzofuran-2-yl moieties, optionally substituted by C1-C4-alkyl, C1-C4-alkoxy, halogen or NHCOC1-C4-alkyl, a process for their preparation, new intermediate benzoxazinones useful for their preparation and use of the compounds of formula (1) as UV-absorbers which have improved absorption spectrum characteristics, superior resistance to exposure to UV light and excellent thermal stability, relative to known triphenyltriazine compounds.

Abstract: Compounds, preferably 5-pyrimidinol and 3-pyridinol derivatives, that act as effective chain breaking antioxidants of both the lipid and water-soluble variety (analogous to the natural Vitamins E and C), many of which are more reactive toward peroxyl radicals than the most potent form of Vitamin E. These compounds may exhibit many chemopreventive effects associated with conditions in which free radical-mediated cellular damage or disruption is implicated and Vitamins E and C are shown to have protective effects. Additionally, these compounds should be excellent oxidation inhibitors as additives to fuels, lubricants, rubber, polymers, chemicals, solvents and foodstuffs.

Abstract: A heat stabilizing composition for polyolefins comprises an oxidized, non-cationized, non-silylated sulfur black pigment, a hindered phenolic antioxidant a sulfur-containing secondary stabilizer, each in stabilizing amount, and a hindered amine. The heat stabilizing composition yields polyolefin compounds and articles having improved long term heat aging stability. Preferably, the sulfur black pigment is treated by washing, to thereby reduce the concentration of soluble sodium salts.

Abstract: A composition including 8-hydroxyquinaldine and an N-acyl taurate is useful in compounding elastomer compositions. Compositions are described containing elastomers such as rubbers, metal oxides, plasticizers, fillers, antidioxants and curing agents. Rubber compositions of the invention have utility in a wide variety of applications.

Abstract: Disclosed herein is a method for inhibiting the premature polymerization of ethylenically unsaturated monomers comprising adding to said monomers an effective amount of at least one inhibitor selected from the group consisting of C-nitrosoaniline and quinone imine oxime compounds.

Abstract: The present invention relates to an ultraviolet absorber for synthetic resins composed of a triazine compound represented by the general formula (I) shown below 1

Abstract: A description is given of an extrusion process for the preparation of a low-dust stabiliser, using a subcooled melt as granulation liquid, as well as of novel amorphous modifications of different stabilisers, including 2,2′-methylenebis(4-[1,1,3,3-tetramethylbutyl]-6-benzotriazol-2-yl-phenol), and of the &bgr;-crystalline modification of 2-(2-hydroxy-3,5-di-tert-butylphenyl)-5-chlorobenzotriazole and of the preparation thereof. The novel process affords products which are easy to handle and which are flowable, and the novel modifications have advantages as regards their preparation, processing and their use as stabiliser.

Abstract: The invention relates to anti-skinning agents containing mixtures of organic compounds (combinations of additives), whereby the organic compounds are selected from the groups of organic hydroxylamines, and &bgr;-dicarbonyl compounds and/or selected derivatives of formic acid and also relates to compositions containing them, especially oxidatively drying paints or coating compositions.

Abstract: A composition is disclosed that comprises lubricating oil and at least a first antioxidant and a second antioxidant, the first antioxidant being a secondary diarylamine and the second antioxidant being a 2,2,4-trialkyl-1,2-dihydroquinoline or a polymer thereof. Also disclosed is a method of increasing the oxidation stability of a lubricating oil comprising adding thereto at least a first antioxidant and a second antioxidant, the first antioxidant being a secondary diarylamine and the second antioxidant being a 2,2,4-trialkyl-1,2-dihydroquinoline or a polymer thereof.

Abstract: The invention relates to stabilizer mixtures which are suited for stabilizing polymers that contain halogen, particularly PVC, whereby said mixtures contain: a) a perchlorate salt, and; b) an alkanolamine of formula (I) or a reaction product consisting of a monofunctional or polyfunctional epoxide and ammonia or of a monofunctional or poly-functional dialkyl (aryl)amine or monoalkyl (aryl)amine.

Abstract: Liquid antiozonant mixtures obtained from the process comprising simultaneously reacting at least one unsubstituted and/or substituted paraphenylenediamine compound with a carbonyl compound mixture comprising acetone and at least one other carbonyl compound selected from the group consisting of ketones containing from 4 to about 12 carbon atoms, aldehydes containing from 1 to about 12 carbon atoms and mixtures thereof in the presence of a reductive alkylation catalyst is provided. Rubber compositions containing the liquid antiozonant mixtures is also provided.

Abstract: Coatings comprising A) a binder based on an organic polymer and B) as stabilizer against damage by light, heat and oxygen, a 2-(2′-hydroxyphenyl)-1,3-pyrimidine of the formula I  in which the radicals R1 to R6 are as defined in claim 1 have an outstanding resistance to the damaging effects of light, oxygen and heat. Compounds of the formula Ib defined in claim 18 are suitable in general for the stabilization of organic material.