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JPH0573456B2 |
PURPOSE:To improve the storage stability of an emulsion by preparing aq. emulsified org. peroxide with a specified nonionic surfactant mixture, partially saponified polyvinyl acetate, org. peroxide and a solidifying point depressing agen...
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JPH05255242A |
PURPOSE: To provide a new cycloalkenyl-cycloalkylperoxide that is useful for manufacturing an unsaturated alcohol of alkene and alkanone. CONSTITUTION: These are alkylperoxide of the formula ((n) is 1-4; (m) is 1-8), for example, cyclohe...
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JPH0566382B2 |
Hydroxy-t-alkyl peroxyesters having the general structurewhere R, R1, R2, R, and R4 can be alkyl moieties and having 10 hour half-life temperatures below about 75°C (for example, 3-hydroxy-1,1-dimethylbutyl peroxy-neodecanoate) are desc...
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JPH05230014A |
PURPOSE: To provide a new peroxyketal useful as a crosslinking agent for ethylenic polymer resistant to scorching (early crosslinking) and as a polymerization initiator for vinyl monomer having high polymerization initiation efficiency a...
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JPH05213863A |
PURPOSE: To obtain a new compound useful as a polymerization initiator for vinyl monomers. CONSTITUTION: The objective compound of the formula (R1 is 1-6C alkyl; R2 is 3-4C alkyl), e.g. 1,1-di-t-butylperoxy-2-isopropylcyclohexane. This c...
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JPH0557250B2 |
Mixtures containing cyclohexanol and cyclohexanone are produced by oxidizing cyclohexane with air, and then decomposing the cyclohexyl hydroperoxide in such reaction mixture, in the presence of the cyclohexane, to form cyclohexanol and c...
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JPH0556344B2 |
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JPH05194375A |
PURPOSE: To obtain compounds, useful as starting materials for phenol and acetone production, etc., with a high yield and high selectivity, by bringing arylalkyl hydrocarbons containing benzyl hydrogen into contact with an oxygen- contai...
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JPH05170731A |
PURPOSE: To provide a new diperfluoro-oxa-alkanoyl peroxide useful as a polymerization initiator, resin modifier, or fluoroalkylating agent and to provide a new perfluoro-oxa-alkanoyl halide useful as a raw material for the above peroxid...
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JPH05168910A |
PURPOSE: To perform uniform reaction at polyester molding temp. by a method wherein oil-soluble org. peroxide is infiltrated in an oil-soluble org. solid and the impregnated solid is dispersed in water to form a fine granular core substa...
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JPH05503507A |
(57) [Summary] Since this publication is application data before electronic filing, summary data is not recorded.
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JPH0534350B2 |
The present invention relates to a method for destroying acetone peroxides. Acetone peroxides are dangerous compounds capable of causing explosions when they are in the solid state. More precisely, the invention consists of a met...
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JPH05502890A |
Peroxyacid derivatives consisting of inclusion compounds or clathrates, in a hollow molecule capable of acting as a host structure towards a given peroxyacid, process for their preparation and their uses.
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JPH0527620B2 |
Increased energy costs have stimulated a demand for peroxygen compounds that are effective at ambient to hand-hot temperatures, but peroxyacids and acyl peroxides tend to suffer from one or more of poor thermal stability, or sensitivity ...
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JPH0597797A |
PURPOSE: To obtain the subject compound by using a fluorine-based solvent having high safety free from possibility of destroying the ozone layer by reacting a specific alkanoyl halide with a peroxide by using CF3CF2CHCl2 as a reaction so...
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JPH05501549A |
Novel unsaturated peroxides useful as molecular weight regulators in polymerization reactions are disclosed. Also disclosed are a polymerization process employing these novel unsaturated peroxides as molecular weight regulators, polymers...
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JPH05501573A |
Novel unsaturated peroxides useful as molecular weight regulators in polymerization reactions are disclosed. Also disclosed are a polymerization process employing these novel unsaturated peroxides as molecular weight regulators, polymers...
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JPH0521095B2 |
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JPH055822B2 |
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JPH051789B2 |
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JPH04371339A |
PURPOSE: To improve a collapsing property and to eliminate the need for a heat treatment in a knock-out stage as well as to decrease the number of stages by using the specific compsn. for the sand core to be applied to an undercut part. ...
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JPH04371340A |
PURPOSE: To improve a collapsing property and to eliminate the need for a heat treatment in a knock-out stage as well as to decrease the number of stages by using the specific compsn. for the sand core to be applied to an undercut part. ...
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JPH04364138A |
PURPOSE: To synthesize hydroquinone or eyclohexenone hydroperoxide by a new and simple method for production in one stage. CONSTITUTION: Cyclohexenone alone or in its state dissolved in an inert solvent under conditions of this invention...
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JPH04352742A |
PURPOSE: To obtain a new acetylene based compound useful as an antiulcer agent having higher antiulcer activity reduced in adverse reactions. CONSTITUTION: A compound expressed by formula I to formula IV (R1 to R2 are formula V or COCH=C...
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JPH04506669A |
Polyoxoheterocyclic tetracycles related to the Chinese antimalarial natural product qinghaosu (artemisinin) are disclosed. These materials have a core structure with an oxygen (carbonyl or alkyl ether) at position 12 and in some cases on...
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JPH04318002A |
PURPOSE: To provide a peroxide dispersion which can be milled to a small particle size, has flexibility in use, and does not adversely affect the electrical resistivity of a produced polymer. CONSTITUTION: A polymerization starting aqueo...
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JPH0466463B2 |
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JPH04273855A |
PURPOSE: To obtain ureidoperoxycarboxylic acid, which is useful as a bleaching agent, an oxidizing agent and a disinfectant, with high yield in high purity economically by a one-pot reaction from a raw material that is ecologically accep...
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JPH04264066A |
PURPOSE: To improve the reaction selectivity to hydroperoxide and stage efficiency in production of products contg. cycloalkyl hydroperoxide by oxidizing cycloalkane. CONSTITUTION: The products contg. the cycloalkyl hydroperoxide are pro...
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JPH04261150A |
PURPOSE: To provide a novel functionalized peroxide useful for production of block/graft copolymers as a crosslinking agent, grafting agent, curing agent and polymn. initiator and further, as a monomer for polycondensation for production...
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JPH0457673B2 |
High-purity 1,1,3,3-tetramethylbutyl hydroperoxide can be easily and safely produced without the formation of dangerous acetone peroxide, by the reaction of neopentyldimethylcarbinol with hydrogen peroxide in the presence of sulfuric acid.
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JPH04235159A |
PURPOSE: To provide the subject compd. which has excellent stability and is suitable for use as a bleaching agent, oxidizing agent or disinfectant. CONSTITUTION: This compd. is expressed by formula I [(y) is 1, 2; A is H, 1 to 2C alkyl, ...
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JPH04230659A |
PURPOSE: To obtain a novel polymer peroxide compd. that is effective for such as polymn. of ethylene type unsatd. monomers, hardening of an unsatd. polyester resin, hardening of an elastomer and crosslinking of a thermoplastic polymer. C...
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JPH04504568A |
The present invention provides a process for the conversion of a reactant into a reaction product in the presence of a solid acid catalyst comprising one or more fluorine atoms, sulfo radicals and phosphono radicals, each such radical be...
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JPH04224536A |
PURPOSE: To prepare a ketone and/or an alcohol by oxidizing a cyclic hydrocarbon having at least 13 carbon atoms by oxygen to prepare its hydroperoxide, and then decomposing the hydroperoxide in the presence of an organic metal complex. ...
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JPH04211054A |
PURPOSE: To provide an agglomerate of peroxide with fewer fines, narrow particle size distribution and free-flow properties. CONSTITUTION: The preparation of a peroxide agglomerate comprises agitaing an aqueous suspension comprising a so...
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JPH04210674A |
PURPOSE: To make it possible to obtain a compound useful as a production raw material for resorcin in high quality and yield by oxidizing m- diisopropylbenzene and then further oxidizing the resultant oxidation products until specific re...
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JPH04503920A |
An aqueous suspension of solid peroxycarboxylic acids contains a nonionic tenside of the alcohol ethoxylate type with an HLB value between 6 and 11. The suspensions are characterized by high chemical and physical stability.
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JPH04178365A |
NEW MATERIAL:An organic peroxide expressed by formula I (R is H or 1-3C alkyl). EXAMPLE: α,α-Dimethylbenzyl-1-methyl-1-cyclohexylethyl peroxide. USE: A crosslinking agent of polyolefins and a degrading agent of polyolefins. The organic...
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JPH0437059B2 |
Disclosed herein are the novel 6-substituted naphthalene-2-carboxylic acids represented by the formula (I): (I) wherein X represents a hydroperoxy group or a hydroxy group, and a process for producing the 6-substituted naphthalene-2-carb...
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JPH0435482B2 |
The invention concerns a process for the polymerization of vinyl chloride monomer (VCM) using as initiator a diester of monoperoxyoxalic acid. The initiators are highly active and the process provides a method for the efficient polymeriz...
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JPH0429664B2 |
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JPH0426616B2 |
Liquid organic peroxidic compositions suitable for the crosslinking of polyolefins compositions contain (a) from 1 to 50 parts by weight of a diperoxide of the formula: (in which the substituent groups of the central ring A are in the me...
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JPH0421653B2 |
A method for producing m-hydroxy-acetophenone which comprises allowing m-(2-hydroxy-2-propyl)cumene hydroperoxide to react at 30 to 100°C in the presence of an aqueous solution containing 0.001 to 1 mole of iron salt per mole of said co...
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JPH0420426B2 |
The strong foaming which occurs during the reaction of a carboxylic acid, aqueous hydrogen peroxide and sulfuric acid as well as when a phlegmatizing additive is also employed is greatly reduced by adding a phosphane oxide. Besides a loc...
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JPH0420427B2 |
(57) Monohydroxy-benzoyl peroxide of the formulapossesses both antibacterial and comedolytic activity and is useful in compositions for the treatment of acne.
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JPH0415263B2 |
The silicone rubber composition of the invention comprises, as the peroxide curing agent, a neopentane diol derivative represented by the general formula R1-O-O-CO-O-CH2-C(CH3)2-CH2-O-CO-O-O-R2, in which R1 and R2 are each, independently...
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JPH0477468A |
PURPOSE: To suppress hydrolysis accompanying foaming and safely improve the yield on a large scale by previously adding a specific amount of MgSO4 or MgCl2 into a reaction system in obtaining the subject compound using an acid chloride a...
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JPH0411241B2 |
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JPH0459755A |
PURPOSE: To obtain the subject compound by oxidizing a naphthalene hydrocarbon having a secondary alkyl substituent with molecular oxygen in a liquid phase in the presence of a catalyst comprising a transition metal compound, a halide co...
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