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JPH0311056A |
PURPOSE: To efficiently obtain the subject compound which is a raw material, etc., for producing cresol in high selectivity for a short time by bringing sec- butyltoluene into contact with a molecular oxygen-containing gas in the presenc...
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JPH0258263B2 |
A method for the prevention of disturbances and/or effects of disturbances in the preparation of hydrocarbon hydroperoxides by oxidation of hydrocarbons with molecular oxygen or a molecular oxygen-containing gas at elevated temperature b...
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JPH0253416B2 |
An improved process for the manufacture of a dihydric phenol such as hydroquinone wherein a dialkylbenzene is oxidized to a dihydroperoxide, the dihydroperoxide being extracted from the oxidate by a caustic solution, leaving an organic p...
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JPH0251905B2 |
In continuous preparation of tertiary-butyl hydroperoxide by the direct oxidation of isobutane in dense-phase reaction mixture at a pressure in excess of the critical pressure of the mixture, and under conditions relating to temperature ...
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JPH0251408B2 |
A cumene oxidation product containing cumene hydroperoxide (CHP) and dimethylphenylcarbinol (DMPC) is decomposed with acid catalyst in a first step at mild temperatures that lowers the CHP concentration to about 0.5-5% and converts most ...
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JPH0249301B2 |
Commercial solutions of noncorrosive and time-stable carboxylic peracids, particularly peracetic acid, contain an acid of oxidizing nature, such as nitric acid, present in a weight percentage at least equal to that of the carboxylic pera...
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JPH02258803A |
PURPOSE:To obtain the title composition consisting of an organic peroxide and free radical capturing agent and capable of carrying out modification of degradation type plastics without raising of melt flow index. CONSTITUTION:The aimed c...
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JPH02255899A |
PURPOSE: To obtain a bleaching agent which possesses excellent chemical stability and is useful for bleaching of a fiber by separating a reaction product, contg. a water-insoluble diperoxydicarboxylic acid, obtd. by peroxidation with H2O...
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JPH0246583B2 |
The present invention concerns a process for epoxidizing an olefin to an oxirane by forming a monopercarboxylic acid in-situ by reacting a cyclic anhydride of a polybasic acid with hydrogen peroxide in the presence of a basic catalyst an...
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JPH0244453B2 |
A composition for the treatment of acne in the form of a solution, lotion or cream containing from about 1 to 10% by weight of a compound of the formula wherein R is an alkyl having up to 6 carbon atoms or aryl having up to 10 carbon ato...
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JPH0243773B2 |
A novel method of making foamed, crosslinked low density polyethylene utilizing as dual crosslinking/blowing agents, organic peroxides of the formula: where each R is a t-alkyl group bonded through its tertiary carbon atom and having 4-8...
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JPH02243669A |
PURPOSE: To safely obtain the subject compd. useful as a catalyst for polymn. reaction and a curing agent in high purity and in high yield without generating spontaneous decomposition by reacting an aralkylacarbinol with hydrogen peroxid...
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JPH02240110A |
PURPOSE:To obtain a polymerization initiator which can give a high-MW poly mer without decreasing the rate of polymerization when used as a polymeriza tion initiator for polymerizing a vinyl monomer by using a specified compound as an ef...
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JPH02231442A |
PURPOSE: To advantageously obtain phenol without being accompanied by forming by-product acetone by combination of a cumene synthesis process, cumene oxidation process, acid scission process for cumene hydroperoxide and a process for rec...
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JPH02219824A |
PURPOSE:To obtain a polymeric ester peroxide having a structure in which two specified kinds of peroxide groups are alternately bonded together and both of low and high-temperature activities and being adapted to be used by itself as a f...
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JPH0238134B2 |
Novel UV-curable silicone release coating compositions and photocatalysts therefor are provided which include mercaptoalkoxyalkyl-functional polysiloxanes and vinyl-functional photoreactive terpolymers, both of which are especially compa...
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JPH02200665A |
PURPOSE: To obtain purified tertiary hydroperoxide by purifying a tertiary hydroperoxide compsn. mixed with undesired impurities by using a basic compd. and a carboxylic acid deriv. CONSTITUTION: A tertiary hydroperoxide compsn. containi...
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JPH02200667A |
NEW MATERIAL:An organic peroxide expressed by formula I (R is 1-8C tertiary alkyl or formula II). EXAMPLE: A compound expressed by formula III. USE: An organic peroxide which is wholly a solid at ordinary temperature with high-temperatur...
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JPH0231106B2 |
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JPH02164836A |
PURPOSE: To obtain the subject compd. with good selectivity by oxidizing a cycloalkane by O2 to form a cycloalkylhydroperoxide and decomposing this compd. by phthalocyanine or a porphyrin metal complex fixed on a carrier. CONSTITUTION: A...
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JPH0226608B2 |
A process for the safe supply of molecular oxygen or gas containing molecular oxygen to an oxidation of hydrocarbons in the liquid phase, wherein, immediately before the point of entry into the liquid hydrocarbon, the oxygen, or gas cont...
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JPH02150405A |
PURPOSE:To obtain the title polymerization initiator consisting of an aqueous suspension of dibenzoyl peroxide containing a specific polyhydric alcohol and specific surfactant and free from scattering of charge amount because of having e...
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JPH02134363A |
PURPOSE: To produce the title compound useful as a synthetic intermediate for resorcinol, etc., a polymerization initiator, etc., inexpensively and by a simple process by oxidizing inexpensive m-isopropenylphenol as a starting raw materi...
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JPH0216748B2 |
The invention covered relates to an improved, solvent-free process for the continuous manufacture of peroxydicarbonate polymerization catalysts. The improvement in the process is the mere decanting of the reaction product through a filte...
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JPH0278658A |
PURPOSE: To obtain a safe composition consisting of a specific amount of benzoyl peroxide and liquid paraffin having a specified initial boiling point, silicone oil, etc., alone or on combination to provide a specific amount thereof and ...
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JPH0253766A |
NEW MATERIAL: A compound of formula I [wherein R is a 7-22C hydrocarbon; A is C(O), OCH2CH2; n is 0, 1; R1 is H, a lower alkyl; x is 2, 3; y is 1-4; Q is -R2-S(O)2-O-M (wherein R2 is a 2-6C alkylene; M is H, an alkali metal, etc.), etc.;...
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JPH0240362A |
NEW MATERIAL:Diacyl type polymeric peroxides of the formula (X is -H, -Cl, -O-CH3, etc., in n=1; m=2-15). USE: Radical polymerization initiators for ethylenic unsaturated monomers (e.g., styrene, vinyl acetate). Useful as polymerization ...
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JPH0240359A |
NEW MATERIAL:Compounds of the formula (X is -H, -Cl, -O-CH3, etc., when n=1 and Cl at 2 and 4 position when n=2; m is 2-15). USE: Radical polymerization initiators for ethylenic unsaturated monomers. having stability on standing. PREPARA...
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JPH0240361A |
NEW MATERIAL:Diacyl type polymeric peroxides of the formula (X is 1-19C alkyl; n is 2-15). USE: Radical polymerization initiators for ethylenic unsaturated monomers. PREPARATION: A mixture or 7,12-dimethyloctadecane-7,11-diene-1,18-dicar...
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JPH0240360A |
NEW MATERIAL:Diacyl type polymeric peroxides of the formula (X is 1-19C alkyl; n is 2-15). USE: Radial polymerization initiators for ethylenic unsaturated monomers. PREPARATION: A mixture of 7,12-dimethyloctadecane-1,18-dicarboxylic acid...
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JPH0225460A |
NEW MATERIAL: Antioxidant compds. represented by formula I [wherein x and y are each 1, 2 or the like; when x is 1 and y is 1, An is a group of formula II [in which R1 is 4-8C t-alkyl, R11 is -C(=O) or the like]; Y is absent; R is 4-10C ...
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JPH021833B2 |
This invention relates to a process for the preparation of stable solutions of epsilon -caprolactone by means of the oxidation of cyclohexanone by a percarboxylic acid containing 2 to 4 carbon atoms. According to the invention, the perca...
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JPH021138B2 |
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JPH023677A |
PURPOSE: To obtain the subject compounds most of which are new and which are useful in the production of vitamins A and E and perfumes by reacting a hydroperoxide with a compound such as geranyl chloride in the presence of an inorganic s...
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JPH021472A |
PURPOSE: To obtain the subject composition, consisting of benzoyl peroxides and ketone peroxides diluted with a specific plasticizer, capable of providing a curing system exhibiting a relatively high curing rate at low temperatures with ...
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JPH0155646B2 |
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JPH0153961B2 |
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JPH0153282B2 |
The present invention relates to a composition comprising from about 25 to about 70, preferably about 50, per cent of isopropyl sec-butyl peroxydicarbonate, from about 15 to about 45, preferably about 25 per cent, of diisopropyl peroxydi...
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JPH0150699B2 |
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JPH0150227B2 |
Process of preparing substantially anhydrous solutions of percarboxylic acids which comprises reacting hydrogen peroxide contained in an aqueous solution with a water miscible carboxylic acid in the presence of a catalyst and an azeotrop...
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JPH0147485B2 |
An aqueous emsulion of organic peroxide which is obtained by incorporating a water soluble alcohol of low molecular weight into a system which comprises an organic peroxide, an emulsifier and water, is good in the storage stability and i...
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JPH0147465B2 |
Process for the preparation of araliphatic dihydroperoxides which comprises oxidizing a hydrocarbon of the formula: with oxygen or an oxygen-containing gas, (2) extracting the resulting dihydroperoxide with an alkali metal hydroxide solu...
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JPH01249752A |
PURPOSE: To obtain a compound useful as a trifluoromethylating agent in a short time safely and in high yield, by reacting trifluoroacetic anhydride with hydrogen peroxide in the presence of sodium carbonate and/or potassium carbonate. C...
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JPH01242567A |
NEW MATERIAL:The bifunctional peroxy ester of formula I. USE: A free radical polymerization initiator for vinyl monomer having high safety and excellent workability and capable of giving a polymer having high molecular weight. Useful as ...
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JPH01233269A |
PURPOSE: To obtain the subject composition, containing 1-butyl peroxybenzoate and peroxymonocarbonate as active components and excellent in surface appearance characteristics, such as coloring properties and surface gloss, of molded prod...
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JPH0141641B2 |
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JPH01221417A |
PURPOSE: To improve safety in manufacturing and handling, solubility in org. solvents etc., by binding two specified constituent units through heat-to-head and head-to-tail random bonds. CONSTITUTION: A polymeric peroxyester wherein cons...
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JPH0141148B2 |
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JPH01190637A |
PURPOSE: To obtain the compounds by oxidizing dialkyl aryl compounds with oxygen or the like in the presence of alkali (earth) metal salts of organic carboxylic acid without solvent and by hydrolyzing the obtained dialkyl aryl monohydrop...
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JPH01190666A |
PURPOSE: To obtain the title aqueous suspension containing definite amount of specific polyhydric alcohol and specific surfactant, having excellent storage stability and redispersibility and usable in polymerization of styrene, etc. CONS...
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