Methods for producing cyclododecasulfur are disclosed that include the steps of: reacting a metallasulfur derivative with a molecular halogen to produce cyclododecasulfur and a metallahalide derivative; and reacting the metallahalide derivative with a sulfide or polysulfide to produce the metallasulfur derivative and a halide.
Methods for producing cyclododecasulfur are disclosed, that include the steps of: oxidizing a bromide in aqueous solution to produce a mixture of molecular bromine, tribromide, and bromide; reducing water to produce hydrogen and a hydroxide; and reacting a metallasulfur derivative with the molecular bromine, to produce cyclododecasulfur and a metallabromide derivative.
Methods for producing cyclododecasulfur are disclosed that include the steps of: reacting a bromide with molecular chlorine to obtain molecular bromine and a chloride; oxidizing the chloride in aqueous solution with removal of electrons to obtain molecular chlorine; reducing water with electrons to obtain hydrogen and a hydroxide; and reacting a metallasulfur derivative with the molecular bromine, to produce cyclododecasulfur and a metallabromide derivative.
The present invention relates to a method for the manufacture of cyclododecasulfur, a cyclic sulfur allotrope wherein the number of sulfur (S) atoms in the allotrope's homocyclic ring is 12. The method includes reacting a metallasulfur derivative with an oxidizing agent in a reaction zone to form a cyclododecasulfur-containing reaction mixture.
Methods of making antidegradant compounds are disclosed in which a p-phenylenediamine is reacted with a dicarbonyl to thereby obtain a diimine, which is reduced to obtain mixtures comprising the antidegradant compound.
C07C 209/52 - Preparation of compounds containing amino groups bound to a carbon skeleton by reduction of carboxylic acids or esters thereof in presence of ammonia or amines, or by reduction of nitriles, carboxylic acid amides, imines or imino-ethers by reduction of imines or imino-ethers
C07C 249/02 - Preparation of compounds containing nitrogen atoms doubly-bound to a carbon skeleton of compounds containing imino groups
B60C 1/00 - Tyres characterised by the chemical composition or the physical arrangement or mixture of the composition
C08K 5/18 - AminesQuaternary ammonium compounds with aromatically bound amino groups
C10L 1/222 - Organic compounds containing nitrogen containing at least one carbon-to-nitrogen single bond
C10L 1/223 - Organic compounds containing nitrogen containing at least one carbon-to-nitrogen single bond having at least one amino group bound to an aromatic carbon atom
C10M 133/12 - Amines, e.g. polyalkylene polyaminesQuaternary amines having amino groups bound to a carbon atom of a six-membered aromatic ring
6.
Durable elastomeric compositions employing cyclododecasulfur as a vulcanizing agent
Vulcanizable elastomeric formulation are disclosed. The formulations comprise at least one elastomer; a vulcanizing agent comprising cyclododecasulfur; and a prevulcanization inhibitor, present in an amount, for example, from about 0.01 phr to about 10 phr. The formulations, when vulcanized, provide articles that exhibit improved durability.
C08K 5/18 - AminesQuaternary ammonium compounds with aromatically bound amino groups
C10M 133/12 - Amines, e.g. polyalkylene polyaminesQuaternary amines having amino groups bound to a carbon atom of a six-membered aromatic ring
C10L 1/223 - Organic compounds containing nitrogen containing at least one carbon-to-nitrogen single bond having at least one amino group bound to an aromatic carbon atom
C07C 211/54 - Compounds containing amino groups bound to a carbon skeleton having amino groups bound to carbon atoms of six-membered aromatic rings of the carbon skeleton having amino groups bound to two or three six-membered aromatic rings
B60C 1/00 - Tyres characterised by the chemical composition or the physical arrangement or mixture of the composition
C10L 1/222 - Organic compounds containing nitrogen containing at least one carbon-to-nitrogen single bond
C07C 209/18 - Preparation of compounds containing amino groups bound to a carbon skeleton by substitution of functional groups by amino groups by substitution of hydroxy groups or of etherified or esterified hydroxy groups with formation of amino groups bound to carbon atoms of six-membered aromatic rings or from amines having nitrogen atoms bound to carbon atoms of six-membered aromatic rings
8.
Vulcanizing composition containing cyclododecasulfur and improved cyclododecasulfur compound
A vulcanizing composition useful for the vulcanization of vulcanizable formulations is disclosed. The vulcanizing composition includes a vulcanizing agent which in turn includes a cyclododecasulfur compound. A cyclododecasulfur compound characterized by a DSC melt point onset of between 155° C. and 167° C. when measured at a DSC heat rate of 20° C./minute is also disclosed.
Processes for forming a vulcanizable elastomeric formulation are disclosed. The processes include the steps of mixing an elastomer with a vulcanizing agent to form a vulcanizable elastomeric formulation that includes the vulcanizing agent dispersed in the elastomeric compound, wherein the vulcanizing agent includes a cyclododecasulfur compound. A process for forming a vulcanized elastomeric article is also described.
A method of making antidegradant compounds is disclosed, in which a p-phenylenediamine is reacted with an alpha-hydroxy carbonyl compound to thereby obtain an enediamine, which is reduced to thereby obtain a mixture comprising the antidegradant compound.
C07C 209/52 - Preparation of compounds containing amino groups bound to a carbon skeleton by reduction of carboxylic acids or esters thereof in presence of ammonia or amines, or by reduction of nitriles, carboxylic acid amides, imines or imino-ethers by reduction of imines or imino-ethers
C07C 249/02 - Preparation of compounds containing nitrogen atoms doubly-bound to a carbon skeleton of compounds containing imino groups
B60C 1/00 - Tyres characterised by the chemical composition or the physical arrangement or mixture of the composition
C08K 5/18 - AminesQuaternary ammonium compounds with aromatically bound amino groups
C10L 1/223 - Organic compounds containing nitrogen containing at least one carbon-to-nitrogen single bond having at least one amino group bound to an aromatic carbon atom
C10M 133/12 - Amines, e.g. polyalkylene polyaminesQuaternary amines having amino groups bound to a carbon atom of a six-membered aromatic ring
C07C 209/18 - Preparation of compounds containing amino groups bound to a carbon skeleton by substitution of functional groups by amino groups by substitution of hydroxy groups or of etherified or esterified hydroxy groups with formation of amino groups bound to carbon atoms of six-membered aromatic rings or from amines having nitrogen atoms bound to carbon atoms of six-membered aromatic rings
C07C 209/70 - Preparation of compounds containing amino groups bound to a carbon skeleton from amines, by reactions not involving amino groups, e.g. reduction of unsaturated amines, aromatisation, or substitution of the carbon skeleton by reduction of unsaturated amines
11.
Compounds and mixtures with antidegradant and antifatigue efficacy and compositions including such compounds
Antidegradant compounds are disclosed, and methods of making them, that are represented by the formula I:
wherein each X is independently selected from the group consisting of ethyl, methyl, or hydrogen.
Also disclosed are diimine intermediates corresponding to formula III:
wherein each X is independently selected from the group consisting of ethyl, methyl, or hydrogen. These intermediates themselves exhibit antidegradant activity.
C07C 251/20 - Compounds containing nitrogen atoms doubly- bound to a carbon skeleton containing imino groups having carbon atoms of imino groups being part of rings other than six-membered aromatic rings
C09K 15/18 - Anti-oxidant compositionsCompositions inhibiting chemical change containing organic compounds containing nitrogen containing an amine or imine moiety
C07C 249/02 - Preparation of compounds containing nitrogen atoms doubly-bound to a carbon skeleton of compounds containing imino groups
C07C 209/52 - Preparation of compounds containing amino groups bound to a carbon skeleton by reduction of carboxylic acids or esters thereof in presence of ammonia or amines, or by reduction of nitriles, carboxylic acid amides, imines or imino-ethers by reduction of imines or imino-ethers
B60C 1/00 - Tyres characterised by the chemical composition or the physical arrangement or mixture of the composition
C07C 211/54 - Compounds containing amino groups bound to a carbon skeleton having amino groups bound to carbon atoms of six-membered aromatic rings of the carbon skeleton having amino groups bound to two or three six-membered aromatic rings
C08K 5/18 - AminesQuaternary ammonium compounds with aromatically bound amino groups
C10L 1/222 - Organic compounds containing nitrogen containing at least one carbon-to-nitrogen single bond
C10L 1/223 - Organic compounds containing nitrogen containing at least one carbon-to-nitrogen single bond having at least one amino group bound to an aromatic carbon atom
C10M 133/12 - Amines, e.g. polyalkylene polyaminesQuaternary amines having amino groups bound to a carbon atom of a six-membered aromatic ring
12.
Compounds and mixtures with antidegradant and antifatigue efficacy and compositions including said compounds
C07C 211/54 - Compounds containing amino groups bound to a carbon skeleton having amino groups bound to carbon atoms of six-membered aromatic rings of the carbon skeleton having amino groups bound to two or three six-membered aromatic rings
C10L 1/223 - Organic compounds containing nitrogen containing at least one carbon-to-nitrogen single bond having at least one amino group bound to an aromatic carbon atom
C10M 133/12 - Amines, e.g. polyalkylene polyaminesQuaternary amines having amino groups bound to a carbon atom of a six-membered aromatic ring
C08K 5/18 - AminesQuaternary ammonium compounds with aromatically bound amino groups
C10L 10/00 - Use of additives to fuels or fires for particular purposes
Methods of making antidegradant compounds are disclosed in which a p-phenylenediamine is reacted with a dicarbonyl to thereby obtain a diimine, which is reduced to obtain mixtures comprising the antidegradant compound.
C07C 209/52 - Preparation of compounds containing amino groups bound to a carbon skeleton by reduction of carboxylic acids or esters thereof in presence of ammonia or amines, or by reduction of nitriles, carboxylic acid amides, imines or imino-ethers by reduction of imines or imino-ethers
C07C 249/02 - Preparation of compounds containing nitrogen atoms doubly-bound to a carbon skeleton of compounds containing imino groups
B60C 1/00 - Tyres characterised by the chemical composition or the physical arrangement or mixture of the composition
C08K 5/18 - AminesQuaternary ammonium compounds with aromatically bound amino groups
C10L 1/222 - Organic compounds containing nitrogen containing at least one carbon-to-nitrogen single bond
C10L 1/223 - Organic compounds containing nitrogen containing at least one carbon-to-nitrogen single bond having at least one amino group bound to an aromatic carbon atom
C10M 133/12 - Amines, e.g. polyalkylene polyaminesQuaternary amines having amino groups bound to a carbon atom of a six-membered aromatic ring
14.
Methods of making compounds and mixtures having antidegradant and antifatigue efficacy
Methods of making antidegradant compounds are disclosed in which a p-phenylenediamine is reacted with a diol to obtain mixtures comprising the antidegradant compounds.
C08K 5/18 - AminesQuaternary ammonium compounds with aromatically bound amino groups
C10M 133/12 - Amines, e.g. polyalkylene polyaminesQuaternary amines having amino groups bound to a carbon atom of a six-membered aromatic ring
C10L 1/223 - Organic compounds containing nitrogen containing at least one carbon-to-nitrogen single bond having at least one amino group bound to an aromatic carbon atom
C07C 211/54 - Compounds containing amino groups bound to a carbon skeleton having amino groups bound to carbon atoms of six-membered aromatic rings of the carbon skeleton having amino groups bound to two or three six-membered aromatic rings
B60C 1/00 - Tyres characterised by the chemical composition or the physical arrangement or mixture of the composition
C10L 1/222 - Organic compounds containing nitrogen containing at least one carbon-to-nitrogen single bond
The present invention relates to a method for the manufacture of polymeric sulfur. The method includes reacting a metallasulfur derivative with an oxidizing agent to form polymeric sulfur.
The present invention relates to a method for the manufacture of cyclododecasulfur, a cyclic sulfur allotrope wherein the number of sulfur (S) atoms in the allotrope's homocyclic ring is 12. The method includes reacting a metallasulfur derivative with an oxidizing agent in a reaction zone to form a cyclododecasulfur-containing reaction mixture.
A vulcanizing composition useful for the vulcanization of vulcanizable formulations is disclosed. The vulcanizing composition includes a vulcanizing agent which in turn includes a cyclododecasulfur compound. A cyclododecasulfur compound characterized by a DSC melt point onset of between 155° C. and 167° C. when measured at a DSC heat rate of 20° C./minute is also disclosed.
C08K 5/18 - AminesQuaternary ammonium compounds with aromatically bound amino groups
C10M 133/12 - Amines, e.g. polyalkylene polyaminesQuaternary amines having amino groups bound to a carbon atom of a six-membered aromatic ring
C10L 1/223 - Organic compounds containing nitrogen containing at least one carbon-to-nitrogen single bond having at least one amino group bound to an aromatic carbon atom
C07C 211/54 - Compounds containing amino groups bound to a carbon skeleton having amino groups bound to carbon atoms of six-membered aromatic rings of the carbon skeleton having amino groups bound to two or three six-membered aromatic rings
B60C 1/00 - Tyres characterised by the chemical composition or the physical arrangement or mixture of the composition
C10L 1/222 - Organic compounds containing nitrogen containing at least one carbon-to-nitrogen single bond
01 - Chemical and biological materials for industrial, scientific and agricultural use
Goods & Services
Plasticizers being chemicals substances for use in industry and particularly sulfur and sulfur compounds for use in industry, in particular, the caoutchouc industry.
