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7759438 |
Polymerization process for preparing (co)polymers
The present invention relates to an aqueous dispersion polymerization process for preparing a (co)polymer wherein an organic peroxide is used as initiator (as a source of free radicals) during the...
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7141702 |
Process for the synthesis of α-substituted acroleins
The present invention provides an improved process for the synthesis of α-substituted acroleins from olefins by a tandem hydroformylation and Mannich reaction sequence in the presence of syngas ...
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6992225 |
Organic peroxide heat stabilizer
The invention concerns a heat stabilizer of organic peroxides characterized in that it is an N-hetrocyclic compound which contains at least one nitroxyl radical with the N atom of the nitroxyl...
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6803436 |
Transportable and safely packaged organic peroxide formulations comprising reactive phlegmatisers
The invention relates to a method to safely produce, handle and transport packaged organic peroxide formulations comprising a reactive phlegmatiser and to the use of such packaged material in...
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6677466 |
Method for stabilizing hydrogen peroxide
The invention relates to the use of one or more α-keto carboxylic acid esters and/or aldehyde carboxylic acid esters for stabilizing hydrogen peroxide during enzyme-catalyzed or metal-catalyzed ...
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6291721 |
Processes for the preparation of 2-arylvinyl alkyl ether and 1,4-diaryl-2-fluoro-2-butene compounds
An improved process for the preparation of 2-arylvinyl alkyl ether compounds of the structural formula I ##STR1##In addition, the present invention provides an improved process for the preparation...
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5892128 |
Temporarily inactivated benzoyl peroxide, processes for the production thereof, and the use thereof
Benzoyl peroxide is inactivated temporarily by compressing benzoyl peroxide desensitized by dimethyl phthalate to tablets.
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5852208 |
Method of producing compounds containing acyloxyalkoxy groups from alcohols
A process of producing compounds containing an acyloxyalkoxy group from an alcohol consists of reacting the alcohol with a formaldehyde donor until a compound of the formula: R--O--CH2 (OCH2)X OR...
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5654464 |
Organic peroxide stabilization with cyclic α-diketone compounds
Organic peroxide compositions which contain a cyclic α-diketone compound to retard the rate of decomposition of the peroxide compound are disclosed.
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5488176 |
Preparation of dialkyl peroxides
The present invention provides a process for the production of dialkyl peroxides by selective reaction of an alcohol and/or an olefin with a hydrogen peroxide at 70°-110° C. using an inorganic h...
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5347055 |
Oligomers of styrene as flegmatizers for organic peroxides
A flegmatizer, which is an oligomer of styrene or of styrene and at least one comonomer, is admixed with an organic peroxide to reduce the heat- and/or shock-sensitivity of the peroxide. The...
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5312997 |
Surface-active pereoxides and their use
The present invention relates to surface-active peroxides which can be employed as emulsifying initiators for the preparation of low-electrolyte polymer dispersions having a low tendency to foam.
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5276202 |
Organic peroxide compositions and process therefor
A substantially water-free, non-dusting and flowable composition comprising an organic peroxide, a hydrocarbyl phthalate, and at least one phlegmatization agent is provided wherein the...
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5202498 |
Inhibiting color change in cumene hydroperoxide
Undesirable color change in freshly manufactured cumene hydroperoxide is inhibited by treatment comprising adding sodium hydroxide in an effective amount up to about 120 ppm and holding the treated...
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4783278 |
Concentrated liquid compositions containing a peroxygen compound
In general, inorganic or organic peroxyacids are unstable in the presence of a nonionic surfactant, so that it was not feasible to contemplate storing liquid compositions containing both...
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4734135 |
Method for manufacture of aqueous suspension of solid organic peroxide
An aqueous suspension of a solid organic peroxide is produced by mixing a solid organic peroxide having a difference of at least 5° C. between the melting point and the thermal decomposition ...
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4450302 |
Peroxide blends
Disclosed are novel blends of peroxides that have melting points of about 5° C. and lower. The blends consist essentially of (1) t-butyl cumyl peroxide, (2) bis(α-t-butylperoxyisopropyl)benzene, a...
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4403994 |
Bleaching agents
The present invention relates to the provision in solid form of the magnesium salt of certain aromatic, cycloaliphatic or conjugated aliphatic compounds containing a peroxycarboxylic acid group and...
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4401835 |
Method for preparing small sized benzoyl peroxide crystals
A method for the preparation of benzoyl peroxide in crystalline form, which crystals may range in size below 10 microns, comprises forming a first solution of the benzoyl peroxide in a precipitate...
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4376218 |
Organic peroxide compositions
A solid organic peroxide composition comprises from 50% to below 70% by weight of a solid organic peroxide, such as benzoyl peroxide, at least 10% preferably at least 15% of a liquid desensitizer...
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4299718 |
Process for preparing mixtures of peroxides
A process for preparing peroxidic mixtures, more particularly mixtures of ketone peroxides useful as polymerization initiators for unsaturated polyester resins, is disclosed. The process comprises...
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4297298 |
Method of preparing stable dilute solutions of aliphatic carboxylic peracids, and the resulting solutions
The invention relates to the preparation of dilute solutions of aliphatic rboxylic peracids.In a first step, a concentrated solution of aliphatic peracid is prepared from the corresponding acid or...
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4287135 |
Stabilized diperoxyalkanedioic acids and aromatic peroxycarboxylic acids
Diperoxyalkanedioic acids and aromatic peroxycarboxylic acids are prepared by reacting a dialkanoic acid or an aromatic carboxylic acid with hydrogen peroxide in sulfuric acid and then producing a...
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4255277 |
Storage stable peroxide paste composition
A stable and non-separating catalyst paste comprising a diacyl peroxide; a minor proportion of water; a finely divided calcium carbonate in an amount sufficient to prevent the composition from...
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4230889 |
Desensitized solution of dihydroperoxycyclohexane
1,1-dihydroperoxycyclohexane is desensitized by dissolving it in water, an alcohol, an ester or ketoether. The solution can be handled safely. 1,1-dihydroperoxycyclohexane may be used as an...
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T998005 |
Desensitized benzoyl peroxide compositions
Provided are stabilized compositions of benzoyl peroxide and a method for their preparation.The compositions comprise benzoyl peroxide and a desensitizer selected from the group consisting of a...
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4219674 |
Peroxide initiators
Mixtures active as initiators for radical polymerization reactions comprising (1) from 1 to 99% by weight of a substituted diphenyl ethane; and (2) from 99 to 1% by weight of an organic...
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4129517 |
Aqueous peroxy-containing concentrate
A stable aqueous peroxy-containing concentrate containing by weight of the concentrate 1 to 60 percent of perglutaric acid; 1 to 50 percent of hydrogen peroxide; 0.01 to 2 percent of a stabilizing...
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3986976 |
Ketone peroxide compositions
Safe ketone peroxide compositions are provided utilizing a novel solvent system which boils smoothly over a wide range of temperatures.
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RE28818 |
Stabilized dibenzoyl peroxides polymer initiator compositions
A polymer initiator composition and method for its production are provided, the composition being non-separating and stable and including a substantial amount of a dibenzoyl peroxide and an...
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3956396 |
Safe diacyl peroxide solution compositions
A safe peroxide solution composition consisting essentially of a diacyl peroxide having 1-5 carbon atoms in each aliphatic group and an aliphatic hydrocarbon, ketone, ester, ether, or alcohol...
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3945941 |
Hazard reduction for bulk shipment quantities of aqueous tertiary butyl hydroperoxide
A minor amount of a radical trap, that is, an organic compound readily reacting with an organic radical, when combined with a polyolefin having a melt index of from about 0.2 to about 10, can be...
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3932528 |
Process for the separation of dihydroperoxides
Dihydroperoxides of dialkylaromatic hydrocarbons are separated in high yield from an aqueous alkaline solutions of hydroperoxides containing the dihydroperoxides by adding 0.01 to 1 % by weight of...
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3928393 |
Process for the preparation of oxirane compounds
This invention relates to an improvement in the process for the preparation of an oxirane compound by a process comprising the steps of (a) oxidation of a hydrocarbon to produce an organic...
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3867461 |
NON-HAZARDOUS KETONE PEROXIDE COMPOSITIONS
Hazards from exposure to heat and reduction in effectiveness during storage of lower alkyl ketone peroxides such as methyl ethyl ketone peroxide are ameliorated through the combination of a heat...
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3773687 |
AQUEOUS TERTIARY BUTYL HYDROPEROXIDE
The decomposition rate of an aqueous solution containing about 60-75 weight percent tertiary butyl hydroperoxide is stabilized by maintaining the aqueous solution at a temperature of from about...
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3692841 |
NONHAZARDOUS POLYMERIZATION INITIATORS
A nonhazardous ketone peroxide composition is disclosed comprising a ketone peroxide, trischloroethyl phosphate and a glycol.
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3538011 |
STABILIZED COMPOSITIONS CONTAINING ORGANIC PEROXIDES,AND METHODS FOR THE PRODUCTION THEREOF
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3645908 |
KETONE PEROXIDE COMPOSITION STABILIZED WITH AN AMINE
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3702869 |
NON-HAZARDOUS KETONE PEROXIDE COMPOSITIONS
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3560395 |
AQUEOUS KETONE PEROXIDE-HYDROGEN PEROXIDE COMPOSITION
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3557009 |
NONHAZARDOUS POLYMERIZATION INITIATORS
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3723336 |
STABILIZED DIBENZOYL PEROXIDES POLYMER INITIATOR COMPOSITIONS
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3591540 |
STABLE,FREE FLOWING PEROXIDE COMPOSITIONS
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3649548 |
NON-HAZARDOUS KETONE PEROXIDE POLYMERIZATION INITIATORS
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3649546 |
NON-HAZARDOUS KETONE PEROXIDE POLYMERIZATION INITIATORS
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3847830 |
STABILIZING PEROXYGEN COMPOUNDS BY ENVELOPING IN A WATER-DISPERSIBLE LAYER
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3445523 |
STABILIZATION OF ORGANIC HYDROPEROXIDES
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3428689 |
PEROXY COMPOUNDS
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3330871 |
Safe ketone peroxide compositions
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