187 results about "Organic peroxide" patented technology

The invention belongs to the field of photovoltaic technology, and provides a photovoltaic packaging adhesive film, a preparation method and application thereof, and a recovery method of a photovoltaic module. The photovoltaic packaging adhesive film comprises the following raw materials in specific amounts: matrix resin, a low-temperature cross-linking agent, a low-temperature catalyst, a silane coupling agent, an ultraviolet light stabilizer, an organic peroxide initiator, an assistant cross-linking agent and an alcohol compound serving as a reversible dynamic transesterification reaction group, the matrix resin is EVA (ethylene vinyl acetate), POE (polyolefin elastomer) and / or ethylene-butylene copolymer; the low-temperature cross-linking agent is a carboxylic ester type cross-linking agent, a bisoxazoline type cross-linking agent and / or a metal-organic ligand cross-linking agent with the reaction temperature of 150 DEG C or below; the low-temperature catalyst is a polynuclear metal catalyst, a solid acid resin catalyst, a solid base catalyst and / or a bimetallic MOF derivative catalyst with the reaction temperature of 150 DEG C or below. The adhesive film can realize recycling of the adhesive film and a photovoltaic module in a more efficient and energy-saving manner, is wide in adaptability, and has high crosslinking degree, peel strength and PID resistance.

The application discloses a kind of bifunctional thick oil catalytic viscosity reduction system and viscosity reduction method, bifunctional thick oil catalytic viscosity reduction system is adjusted to be the catalytic-emulsion composite viscosity reduction system of mixed catalyst, oxidizing agent after using surfactant, wherein, catalyst is amphiphilic TM / C-NH2 Nanoparticle, the oxidizing agent is organic peroxide.Catalytic-emulsion composite viscosity reduction system is mixed with thick oil and heated to reservoir environmental temperature reaction after, reaction is completed after finishing to thick oil viscosity reduction.The application is configured into the catalytic-emulsion composite viscosity reduction system of water-in-oil by organic peroxide oxidizing agent compound emulsifier, in reservoir environment (50~180 DEG C), using the catalytic oxidation performance of catalyst viscosity reduction system and catalyst and oxidized oil oxygen-containing group adsorption self-assembly function, realize thick oil macromolecule depolymerization and wettability reverse, further improve the viscosity reduction efficiency.

To achieve an anaerobic adhesive composition capable of suppressing occurrence of coating failure during coating. The anaerobic adhesive composition of the present invention includes a (meth)acrylic monomer, an organic peroxide, a curing accelerator, and an isoparaffin wax.

Provided is a photosensitive resin composition that contains (A) a photopolymerizable compound that has an ethylenically unsaturated group and an acidic substituent, (B) at least one of a silane coupling agent that has a (meth)acryloyl group and an alkoxysilyl group and a component derived from a silane coupling agent that has a (meth)acryloyl group and an alkoxysilyl group, (C) a thermosetting resin, and (D) an organic peroxide, the (C) thermosetting resin containing at least one of a maleimide resin and an allyl resin. Also provided are a photosensitive resin film that uses the photosensitive resin composition, a printed wiring board and a production method for the printed wiring board, and a semiconductor package.

The invention is suitable for the technical field of conductive films, and provides an anti-tilting high-reliability anisotropic conductive film and a preparation method thereof. The anisotropic conductive film is prepared from the following raw materials in parts by weight: 30 to 60 parts of polyurethane acrylic resin, 5 to 20 parts of non-acrylic functional polyurethane, 3 to 12 parts of XNBR, 2 to 12 parts of IBOA, 3 to 12 parts of M215, 1 to 6 parts of M340, 0.5 to 5 parts of phosphate, 0.2 to 3 parts of TiO2, 0.7 to 5 parts of organic peroxide initiator, 0.2 to 5 parts of modified nano silicon dioxide A and 2 to 28 parts of modified nano silicon dioxide B. According to the invention, modification treatment is carried out on two different kinds of nano silicon dioxide, so that the problems of tilting and bubbles in a COF terminal gap region in a crimping process are solved, synergistic improvement of low contact resistance and high tension is also realized, and the reliability, process tolerance and long-term use stability of the conductive film are remarkably enhanced.

A process for the preparation of a compound of the sterically hindered alkoxyamine class is described, the process comprises the step of alkylating a sterically hindered hydroxylamine compound to a corresponding sterically hindered alkoxyamine by reacting said sterically hindered nitroxyl compound with a compound capable of producing a carbon-central alkyl radical, typically a territorial or secondary alkyl radical, the compounds capable of generating carbon-center alkyl radicals are selected from thermal radical initiators that form radical species in the temperature range of 40 DEG C to 200 DEG C, and from photoinitiators that undergo light excitation when irradiated with UV light or visible light in the range of 180 to 700 nm, in particular UV light in the range of 180 to 380 nm, the compounds capable of generating carbon center alkyl radicals are typically selected from the class of organic peroxides, azo compounds, benzoyl derivatives, benzophenone derivatives, thioxanthone derivatives, benzoin derivatives, benzoyl phosphine oxide derivatives, and the like. The invention relates to a peroxide, for example, selected from the group consisting of diacyl peroxides of formula (A), peracid esters of this formula (A), and oxalic acid peracid esters of formula (D) R-CO-O-O-Z-R (A), r-Z ''-X-CO-CO-O-O-Z''-R (D) wherein each R independently represents a primary or secondary alkyl or cycloalkyl group, preferably comprising from 1 to 15 carbon atoms, and X is oxygen-O-or peroxy-O-O-, Z represents CO or an alkylene group bonded to a quaternary carbon atom, the quaternary carbon atom being an alkylene group of formula (C) R '-C-R' (C), wherein each R'is selected from alkyl groups having 1 to 15 carbon atoms, and Z "represents the alkylene group bonded to a quaternary carbon atom having the formula (C). The described process produces the corresponding O-alkylated derivatives of the sterically hindered hydroxylamines, typically compounds of the class referred to as N-O-alkyl HALS, with very high selectivity and conversion and without the need for the use of catalysts, in particular metal catalysts.

The invention discloses a metallocene polypropylene composite material as well as a preparation method and application thereof. The metallocene polypropylene composite material is prepared from the following components in parts by mass: 84.63 to 96.50 parts of metallocene isotactic polypropylene, 0 to 6 parts of polypropylene random copolymer, 3 to 9 parts of allyl elastomer, 0 to 3 parts of polypropylene wax, 0.10 to 0.55 part of organic peroxide degradation agent, 0 to 1.8 parts of hindered hydroxylamine ester degradation agent and 0 to 0.15 part of phosphate ester antioxidant. The metallocene polypropylene composite material is suitable for a melt-blowing processing technology, and the melt-blowing non-woven fabric of the metallocene polypropylene composite material has lasting filtering performance.

A method for making a homogeneous mixture of polyolefin solids and an organic peroxide without melting the polyolefin solids during preparation. The method comprises applying acoustic energy at a frequency of 20 to 100 hertz to a heterogeneous mixture comprising the polyolefin solids and the organic peroxide for a period of time sufficient to substantially intermix the polyolefin solids and the organic peroxide while maintaining the temperature of the heterogeneous mixture below the melting temperature of the polyolefin solids, thereby making the mixture homogeneous without melting the polyolefin solids.

The present invention relates to an organic peroxide emulsion comprising: at least one organic peroxide; at least one emulsifier comprising at least one non-ionic surfactant comprising at least one fatty chain and / or a protective colloid agent; a combination of two or more anti-gelling agents comprising not more than 9.5 wt% of a first anti-freezing agent, at least one second anti-freezing agent, relative to the total weight of the emulsion of ethanol; and water. The present invention also relates to a process for preparing such an emulsion, the use of such an emulsion for the polymerization or copolymerization of one or more ethylenically unsaturated monomers, and a halogenated vinyl polymer obtained by using such an emulsion.

The invention discloses an organic peroxide reaction endpoint rapid detection method and application thereof, and belongs to the technical field of organic chemistry. The invention aims to solve the technical problems that the reaction endpoint of an organic peroxide initiator is difficult to judge, the generated organic peroxide is easy to decompose due to too long reaction time, and the reaction is incomplete and raw materials are remained due to too short reaction time, and provides a rapid detection method for acyl chloride residues in the organic peroxide reaction process. Therefore, the reaction endpoint is determined. According to the technical scheme, the method for rapidly detecting the reaction endpoint of the organic peroxide is characterized in that in the reaction process of an organic peroxide initiator, acyl chloride is gradually consumed, the content is reduced, and the acyl chloride completely reacts when the reaction endpoint is reached. Through reaction of different acyl chloride concentrations and hydroxylamine hydrochloride, a standard curve or a color card is established, the residual amount of acyl chloride is judged, and the reaction endpoint is accurately judged.

Provided is a polymerizable composition including (a) a polymerizable component comprising a diol bis(allyl carbonate) and / or a pre-polymer thereof; and (b) a polymerization initiator component including: (i) a di(C6-C10 alkyl) peroxydicarbonate, and (ii) an organic peroxide having one peroxy, one peroxycarbonate, or one peroxybenzoate group and a 1,1-dimethylalkyl group bonded to a peroxy oxygen, where (ii) comprises a molecular weight ranging from 200 to 250 g / mole, the polymerization initiator (b) is free of diisopropyl peroxydicarbonate, (i) comprises an amount ranging from 4.87% to 7.90% by weight relative to the total solids of the polymerizable composition and (ii) comprises an amount within the range defined by the following formula: (4.406X2−0.592X+0.021)≤Y≤(0.726X2−0.121X+0.009) where X corresponds to the weight fraction of (i) and Y corresponds to the weight fraction of (ii). Also provided is a method of making an optical article from the polymerizable composition.

A synthetic fiber is disclosed, formed from a composition which is made of from about 1 to about 98 weight percent of at least one polyhydroxyalkanoate; from about 1 to about 10 weight percent of at least one nucleating agent selected from the group consisting of polyester waxes, behenamide, crodamide, stearamide, erucamide, pentaerythritol, dipentaerythritol, boron nitride, and mixtures thereof; and from about 0.1 to about 5 weight percent of at least one melt flow modifier selected from the group consisting of calcium stearate, zinc stearate, starch, diamide oligomers, organic peroxides, and mixtures thereof.

ELIMINATION OF IMPURITIES WITHIN AN ORGANIC PEROXIDE The present invention relates to the use of a zeolitic adsorbent material, to purify organic peroxides, and more particularly to eliminate the impurities present in these compositions of organic peroxides.

A liquid organic peroxide composition including: (a) di(tert-butylperoxy)diisopropylbenzene; and (b) at least one aliphatic organic peroxide selected from the group consisting of 2,5-dimethyl-2,5-di(tert-butylperoxy)hexane, di(tert-amyl) peroxide, di(tert-butyl)peroxide, and 2,5-dimethyl-2,5-di(t-butylperoxy)hexyne-3. The organic peroxide composition is a homogenous liquid at ambient temperature.

The invention discloses an elastic stress pipe and a preparation method thereof, and relates to the technical field of cable accessories. The elastic stress tube is prepared from the following raw materials in parts by weight: 70 to 100 parts of silicon rubber, 5 to 15 parts of carbon black, 20 to 40 parts of active high dielectric filler, 5 to 10 parts of active magnesium oxide, 30 to 60 parts of fumed silica, 3 to 6 parts of diphenyl silanediol, 0.5 to 1 part of antioxidant, 1 to 5 parts of lubricant, 0.5 to 1 part of sensitization cross-linking agent and 1 to 5 parts of organic peroxide. The elastic stress pipe with high and low temperature resistance (-50 DEG C to + 200 DEG C), high elasticity and high tear resistance can be obtained, and the elastic stress pipe can tightly wrap a cable, does not generate permanent deformation, is waterproof, avoids partial discharge, is long in service life, maximally evacuates electric field stress, and homogenizes an electric field near a cable shielding layer. The preparation method is simple, high in practicability and beneficial to industrial large-scale production.

Curable resin compositions having extended open times at ambient temperatures and short cure times at high temperatures are prepared using a curable resin curable by one or more liquid organic peroxides or blends thereof and an accelerator / activator accelerator comprising a metal salt and a thiol-functionalized organic compound.

Provided is a sealing member which is capable of suppressing the occurrence of cracks or the like during mold release in a mold molding step and which has excellent copper contamination resistance. A sealing member comprising a crosslinked body of a rubber composition containing the following components (A) to (E), the ethylene content of the component (A) being 50 mass% or more, the content of the component (B) being 30-90 parts by mass, the content of the component (D) being 0.5-10 parts by mass, and the content of the component (E) being 3-10 parts by mass per 100 parts by mass of the component (A). (A) at least one of an ethylene-propylene-diene rubber and an ethylene-butylene-diene rubber, (B) silica, (C) an organic peroxide, (D) a benzimidazole-based anti-aging agent, and (E) zinc oxide.

To provide a manufacturing method that suppresses yarn breakage, improves spinnability, and allows for the production of spunbond nonwoven fabric at a high production rate and with high uniformity. [Solution] A method for manufacturing spunbond nonwoven fabric, comprising the steps of: supplying raw material resin to an extruder, melting and kneading it with a screw in the extruder, melting and extruding the melted and kneaded raw material resin from the discharge hole of a die, pulling and stretching the spun raw material resin to form fibers; depositing the fibers to form a fiber web composed of the fibers; and forming the fiber web into a sheet, wherein the raw material resin is a mixture of resin pellets A, which are obtained by kneading a polypropylene resin and an organic peroxide and pelletizing them so that the pellet size is within a specific range, and resin pellets B, which are obtained by pelletizing the polypropylene resin as is, and the ratio of the pellet size of resin pellets A to the pellet size of resin pellets B is within a specific range.

The application discloses a device and method for testing decomposition characteristics of organic peroxide above 50MPa, wherein the organic peroxide to be tested and at least one inert solvent are mixed to obtain a first material, and the first material is continuously added into an autoclave through a high-pressure feeding unit to simulate the decomposition process of the organic peroxide under a real flow mixing environment. The application can change the mixing conditions and reaction conditions in the testing process, and provides a measuring method for various product concentrations based on the high-pressure testing conditions, so that the decomposition characteristics of the organic peroxide under different mixing and reaction conditions can be tested, and the measuring range covers high-pressure and super-high-pressure conditions, and the sensitivity and accuracy are high.

A method of disposing an adhesive composition onto a first surface of a first substrate comprises: a) disposing a photoactivatable adhesive precursor composition onto at least a portion of the first surface of the first substrate according to a predetermined pattern, and b) exposing the photoactivatable adhesive precursor composition to actinic electromagnetic radiation, thereby providing an adhesive precursor composition that spontaneously cures to provide the adhesive composition. The photoactivatable adhesive precursor composition comprises: at least one free-radically polymerizable compound and a photoactivatable redox initiation system comprising: (i) at least one photoactivatable reducing agent precursor; (ii) at least one transition metal compound comprising at least one metal selected from groups 5 to 11 in the Periodic Table of the Elements; (iii) optional organic peroxide; and (iv) optional quaternary ammonium halide. An article preparable according to the method is also disclosed.

The application discloses a preparation method of dibenzoyl peroxide, and relates to the technical field of organic peroxide preparation. The preparation method comprises the following steps: preparing dibenzoyl peroxide crude product and initial synthesis obtained recycling mother liquor; taking out two parts from the initial synthesis obtained recycling mother liquor, and reacting with a sodium hydroxide solution, hydrogen peroxide, a surfactant aqueous solution and benzoyl chloride; at least the benzoyl chloride is contained in the multiple materials, and the multiple materials are pre-mixed by a pre-mixer; heat preservation reaction is carried out, and after the reaction is completed, centrifugal separation is carried out to obtain the dibenzoyl peroxide crude product and second synthesis obtained recycling mother liquor; and the dibenzoyl peroxide crude product is sequentially subjected to water washing and solid-liquid separation to obtain a finished product. The pre-mixer is used to realize instant super-uniform mixing of the materials, the reaction is more uniform, the product is fine and small in particle size, the particle size distribution is uniform, the reaction yield is high, the amount of water used for subsequent washing is reduced, the recycling of the mother liquor reduces the discharge amount of high-salinity organic waste liquid from the source, and the preparation cost is reduced.

A method for preparing 1,2-pentanediol and co-producing 2,3-epoxypentane, 2,3-epoxy-2-methylbutane, and 1,2-epoxy-2-methylbutane involves using the residual C5 from cracked ethylene as the reactant, an organic peroxide as the oxidant, and a titanium-silicon molecular sieve as the catalyst to undergo a catalytic oxidation reaction. The resulting reaction products are then separated by distillation. The residual C5 component is collected at the top of a first distillation column, and the bottom product is transferred to a second distillation column. Epoxyalkane is collected at the top of the second distillation column. The collected epoxyalkane is transferred to a third distillation column, where 1,2-epoxy-2-methylbutane and 2,3-epoxy-2-methylbutane are collected at the top, and 2,3-epoxypentane and 1,2-epoxypentane are collected at the bottom. The bottom product of the third distillation column is then subjected to an alkaline hydrolysis reaction. The mixture obtained from the alkaline hydrolysis reaction is further distilled to separate 1,2-pentanediol and 2,3-epoxypentane. This invention provides a green and environmentally friendly method for the high-value utilization of C5 residue from cracked ethylene.

A golf ball includes a core, an intermediate layer, and a cover, in which dimples and a land portion are formed on a cover surface, the core is formed of a rubber composition containing a base rubber and an specific organic peroxide, the land portion includes a large number of land portion pieces, one land portion piece has a shape having at least three vertexes, the land portion includes a land portion piece having a specific shape formed by connecting the land portion piece in point contact with another adjacent land portion piece at each of the vertexes, an outer peripheral edge of the land portion piece having the specific shape includes a plurality of edge elements, and a ratio of the number of land portion pieces having a unique shape in which all the edge elements are formed in a predetermined curve is adjusted within a predetermined range.

The invention provides a passivation method of a sulfuration type catalytically cracked gasoline hydrodesulfurization catalyst, a passivated catalyst and application thereof, and the passivation method comprises the following steps: dissolving an organic peroxide in an organic solvent to form a passivation solution; under the condition of oxygen isolation, adding the sulfuration type catalytically cracked gasoline hydrodesulfurization catalyst into the passivation solution, and carrying out passivation reaction, so as to obtain the passivated catalyst after the passivation reaction is finished. The passivation method provided by the invention has the advantages of simple process and strong controllability, can improve the desulfurization activity of the sulfuration type catalytically cracked gasoline hydrodesulfurization catalyst, and solves the problems of uncontrollable passivation effect, complex startup pretreatment, low active center utilization rate and the like of the existing ex-situ passivation catalyst.

The application provides a synthesis method of di-(3,5,5-trimethylhexanoyl) peroxide and an equipment for implementing the synthesis method. The method comprises the following steps: conveying an alkaline solution, a hydrogen peroxide solution and a 3,5,5-trimethylhexanoyl chloride solution into a micro-mixer, mixing the solutions, and then feeding the mixed solution into a micro-reactor to perform a preliminary reaction, so as to obtain a first oil-water mixture; transferring the first oil-water mixture into a reaction kettle to continue the reaction, so as to obtain a second oil-water mixture; performing liquid separation treatment on the second oil-water mixture, and obtaining an oil phase; performing post-treatment on the oil phase, so as to obtain di-(3,5,5-trimethylhexanoyl) peroxide. By taking the micro-mixer and the micro-reactor as the core to prepare di-(3,5,5-trimethylhexanoyl) peroxide, local heat accumulation can be controlled through fast heat removal, the risk of combustion and explosion of thermally unstable organic peroxide can be reduced, the contact area between the oil phase and the water phase can be increased, the reaction rate can be increased, and the production efficiency can be greatly improved.

The present invention relates to an aqueous suspension comprising at least one linear diacyl peroxide and at least one oxyalkylated fatty alcohol having an HLB value of less than or equal to 16. The invention also relates to the use of at least one aqueous suspension, as described above, for the polymerization or copolymerization of one or more ethylenically unsaturated monomers, preferably halogenated, and more preferably vinyl chloride.

The utility model relates to the technical field of organic peroxide waste acid recovery, and discloses an organic peroxide waste acid recovery device which comprises a waste acid collection unit, a pretreatment unit, a separation unit, an oxidation reduction treatment unit, a concentration and refining unit and a control unit. The waste acid feeding pipe, the filtering assembly and the cooler are sequentially communicated through a pipeline, a plurality of layers of filter screens with different pore diameters are arranged in the filtering assembly and are used for removing solid impurities and part of macromolecular organic matters in waste acid, the cooler adopts a jacket type structure, and the waste acid is cooled to a proper temperature through circulating cooling liquid. According to the organic peroxide waste acid recovery device, the requirements of high purity, good quality, efficient recovery and reuse of organic chemical raw materials in waste acid are realized, and the development requirements of circular economy, energy conservation and emission reduction are met.

Provided is an anaerobically curable composition that suppresses chelating agent precipitates and residues and has excellent storage stability. This anaerobically curable composition contains the following components (A)-(D), and the content of component (D) is 0.00001-0.01 mass% relative to the total mass of the anaerobically curable composition.　Component (A): a (meth)acrylate compound (excluding phosphate ester compounds containing a (meth)acryloyl group in one molecule); component (B): an organic peroxide; component (C): an anaerobic curing catalyst; and component (D): a chelating agent.

The present application is a curable silicone composition comprising: (A) an organopolysiloxane which is an addition reaction product of (a) a compound represented by general formula (1) and (b) a compound represented by general formula (2), and has an average of 4 or more methacryl groups in one molecule, p is an integer of 10 or more, R 1 is a monovalent organic group having 1 to 12 carbon atoms, R 2 is an alkenyl group having 2 to 12 carbon atoms, q is an integer of 0 to 20, R 3 is a monovalent organic group having 1 to 12 carbon atoms, Z 1 is a divalent organic group having 1 to 10 carbon atoms; (B) an organic peroxide; (C) an organohydrogenpolysiloxane; and (D) a platinum group metal catalyst. Thus, a curable silicone composition which can be used as an adhesive, which is excellent in curability, and which does not cause curing failure or bubbling even in the presence of an addition reaction catalyst poison or moisture or the like on the surface of an adherend is provided.

The present disclosure provides a resin composition capable of improving the mechanical characteristics, hot water resistance characteristics, and chemical resistance characteristics of a resin obtained by curing. The resin composition includes: a resin containing an ethylenically unsaturated group; modified lignin; and an organic peroxide. A part or all of the hydroxy groups of the modified lignin are acylated.