Abstract: Powder formulation comprising 20-75 wt % of di(4-tert-butylcyclohexyl) peroxydicarbonate and 25-80 wt % of a phlegmatizer selected from the group consisting of ethylene glycol dibenzoate, phenyl benzoate, trimethylol propane tribenzoate, dimethylsulfon, ethylene glycol ditoluate, 1,3-propanediol ditoluate, ethylene glycol 4-tert-butylbenzoate, ethylene glycol monobenzoate monotoluate, 2,3-butanediol dibenzoate, 4-methylphenyl benzoate acid ester, and combinations thereof.

Abstract: Process for the production of a diacyl peroxide involving the reaction of an anhydride with a peroxyacid, removal of the formed carboxylic acid, production of an anhydride from said carboxylic acid, and recycling of the anhydride within the process.

Abstract: Solution comprising about 1 to about 25 wt % of a dye that loses its colour during radical cure and about 75 to about 99 wt % of a solvent mixture, said solvent mixture comprising cyclopentanone and dimethylsulphoxide in a weight ratio of about 60:40 to about 95:5.

Abstract: A process for enhancing the melt strength of polypropylene by extruding said polypropylene in a twin-screw extruder, under inert atmosphere, at a temperature between about 150° C. and about 300° C., and in the presence of about 0.1 to about 3.0 wt %, based on the weight of the polypropylene, of a para-substituted dibenzoyl peroxide.

Abstract: Powder mixture comprising 20-80 wt % of one or more powdered organic peroxides selected from the group consisting of dibenzoyl peroxide and substituted dibenzoyl peroxides, 20-80 wt % of a powdered filler material, at least 60 wt %, thereof consisting of a solid inorganic flame retardant, and 0-20 wt % water.

Abstract: Process for preparing a powdery organic peroxide formulation, said process comprises the following steps: a) preparing a reaction mixture comprising: 40-80 wt % water 10-25 wt % of an acid chloride or chloroformate, 1-4 wt % hydrogen peroxide, 2-8 wt % alkali metal hydroxide, 1-25 wt % of a phlegmatizer selected from the group consisting of ethylene glycol dibenzoate, phenyl benzoate, trimethylol propane tribenzoate, glyceryl tribenzoate, ethylene glycol ditoluate, 1,3-propanediol ditoluate, ethylene glycol 4-tert-butylbenzoate, ethylene glycol monobenzoate monotoluate, 2,3-butanediol dibenzoate, 4-methylphenyl benzoate acid ester, trimethylolpropane dibenzoate, and combinations thereof 0.002-0.20 wt % of a surfactant, and 0.25-5.0 wt % of an inert organic solvent, all percentages based on the weight of the reaction mixture, b) heating the reaction mixture at a temperature in the range 5-50° C.

Abstract: Process for reducing fogging from high melt strength polypropylene (HMS-PP) obtained by heat treating polypropylene at a temperature between 150° C. and 300° C. in the presence of a dialkyl peroxydicarbonate, said process involving the introduction of an anhydride to said high melt strength polypropylene.

Abstract: Solution comprising about 1 to about 25 wt % of a dye that loses its colour during radical cure and about 75 to about 99 wt % of a solvent mixture, said solvent mixture comprising cyclopentanone and dimethylsulphoxide in a weight ratio of about 60:40 to about 95:5.

Abstract: Powder formulation comprising 20-75 wt % of di(4-tert-butylcyclohexyl) peroxydicarbonate and 25-80 wt % of a phlegmatizer selected from the group consisting of ethylene glycol dibenzoate, phenyl benzoate, trimethylol propane tribenzoate, dimethylsulfon, ethylene glycol ditoluate, 1,3-propanediol ditoluate, ethylene glycol 4-tert-butylbenzoate, ethylene glycol monobenzoate monotoluate, 2,3-butanediol dibenzoate, 4-methylphenyl benzoate acid ester, and combinations thereof.

Abstract: Process for preparing a powdery organic peroxide formulation, said process comprises the following steps: a) preparing a reaction mixture comprising: 40-80 wt % water 10-25 wt % of an acid chloride or chloroformate, 1-4 wt % hydrogen peroxide, 2-8 wt % alkali metal hydroxide, 1-25 wt % of a phlegmatizer selected from the group consisting of ethylene glycol dibenzoate, phenyl benzoate, trimethylol propane tribenzoate, glyceryl tribenzoate, ethylene glycol ditoluate, 1,3-propanediol ditoluate, ethylene glycol 4-tert-butylbenzoate, ethylene glycol monobenzoate monotoluate, 2,3-butanediol dibenzoate, 4-methylphenyl benzoate acid ester, trimethylolpropane dibenzoate, and combinations thereof 0.002-0.20 wt % of a surfactant, and 0.25-5.0 wt % of an inert organic solvent, all percentages based on the weight of the reaction mixture, b) heating the reaction mixture at a temperature in the range 5-50° C.

Abstract: Powder mixture comprising 20-80 wt % of one or more powdered organic peroxides selected from the group consisting of dibenzoyl peroxide and substituted dibenzoyl peroxides, 20-80 wt % of a powdered filler material, at least 60 wt %, thereof consisting of a solid inorganic flame retardant, and 0-20 wt % water.

Abstract: A process for enhancing the melt strength of polypropylene by extruding said polypropylene in a twin-screw extruder, under inert atmosphere, at a temperature between about 150° C. and about 300° C., and in the presence of about 0.1 to about 3.0 wt %, based on the weight of the polypropylene, of a para-substituted dibenzoyl peroxide.

Abstract: Powder formulation comprising 20-75 wt % of di(4-tert-butylcyclohexyl) peroxydicarbonate and 25-80 wt % of ethylene glycol dibenzoate.

Abstract: Process for reducing fogging from high melt strength polypropylene (HMS-PP) obtained by heat treating polypropylene at a temperature between 150° C. and 300° C. in the presence of a dialkyl peroxydicarbonate, said process involving the introduction of an anhydride to said high melt strength polypropylene.

Abstract: Powder formulation comprising 20-75 wt % of di(4-tert-butylcyclohexyl) peroxydicarbonate and 25-80 wt % of ethylene glycol dibenzoate.

Abstract: Process for functionalizing a polymer by treating said polymer at a temperature in the range 80-250° C. with a mono-azide of the formula wherein m is 0 or 1, n is 0 or 1, n+m=1 or 2, X is a linear or branched, aliphatic or aromatic hydrocarbon moiety with 1-12 carbon atoms, optionally containing heteroatoms, Rb is selected from the group consisting of hydrogen, linear and branched alkyl groups with 1-6 carbon atoms optionally substituted with O, S, P, Si, or N-containing functional groups, alkoxy groups with 1-6 carbon atoms, and halogens, and each Ra is individually selected from hydrogen, linear or branched alkyl groups with 1-6 carbon atoms, or may form a saturated or unsaturated aliphatic or aromatic ring structure with at least one other Ra.

Abstract: Process for modifying a polymer comprising the steps of (a) mixing the polymer with a maleimide-functionalized mono-azide and/or a citraconimide-functionalized mono-azide at a temperature in the range 80-250° C. to form a functionalized polymer, and (b) reacting the functionalized polymer with a substance containing one or more functional groups that can react with a maleimide or citraconimide functional group.

Abstract: Process for modifying a polymer comprising the steps of (a) mixing the polymer with a maleimide-functionalized mono-azide and/or a citraconimide-functionalized mono-azide at a temperature in the range 80-250° C. to form a functionalized polymer, and (b) reacting the functionalized polymer with a substance containing one or more functional groups that can react with a maleimide or citraconimide functional group.

Abstract: A crosslinkable rubber composition comprising:—natural rubber or a rubber blend comprising natural rubber and 0-25 wt % EPDM,—elemental sulfur—one or more sulfur cure accelerators or sulfur donors, and—at least one organic peroxide with a 10 hour half-life in monochlorobenzene at a temperature in the range 95-145?C, wherein the weight ratio of the total amount of sulfur cure accelerators and sulfur donors relative to the amount of elemental sulfur is not higher than 2.5, and wherein the composition is substantially free of non-diene rubber.

Abstract: Process for functionalizing a polymer by treating said polymer at a temperature in the range 80-250° C. with a monoazide of the formula wherein m is 0 or 1, n is 0 or 1, n+m=1 or 2, X is a linear or branched, aliphatic or aromatic hydrocarbon moiety with 1-12 carbon atoms, optionally containing heteroatoms, Rb is selected from the group consisting of hydrogen, linear and branched alkyl groups with 1-6 carbon atoms optionally substituted with O, S, P, Si, or N-containing functional groups, alkoxy groups with 1-6 carbon atoms, and halogens, and each Ra is individually selected from hydrogen, linear or branched alkyl groups with 1-6 carbon atoms, or may form a saturated or unsaturated aliphatic or aromatic ring structure with at least one other Ra.