Abstract: To provide a thermoplastic resin composition having an enhanced cleaning performance for cleaning a molding processing machine. The thermoplastic resin composition for cleaning a molding processing machine contains (A) an olefin-based resin, and (B) (B1) a nonionic surfactant having an HLB of 13 to 20, wherein the composition contains component (B) in an amount of 0.5 to 10 parts by mass relative to 100 parts by mass of component (A).

Abstract: A method of cleaning a powder coating production line, the method including: providing a powder coating production line including equipment, an automatic cleaning tool, and a monitoring device; receiving, by the equipment, an instruction of automatic cleaning, and allowing the equipment to enter an automatic cleaning mode; cleaning, by the automatic cleaning tool, the equipment of the powder coating production line; monitoring, according to a preset monitoring condition and by the monitoring device, whether the automatic cleaning is completed; stopping the automatic cleaning when the monitoring device indicates the automatic cleaning has been completed, or continuing the automatic cleaning of the equipment; and turning off the automatic cleaning mode of the equipment.

Abstract: A process of foaming a polyolefin, e.g., polyethylene, composition using as a nucleator a combination of (A) azodicarbonamide, and (B) a mixture of (1) a first component consisting of at least one of citric acid and an alkali metal citrate, and (2) a second component consisting of at least one of an alkali metal citrate, a di-alkali metal hydrogen citrate, an alkali metal dihydrogen citrate and an alkali metal bicarbonate, with the proviso that the mixture is not solely composed of alkali metal citrate.

Abstract: A cleaning agent for cleaning polymer processing equipment, a method for producing such cleaning agent and the use of such cleaning agent for cleaning polymer processing equipment or any component thereof. The cleaning agent comprises i) a thermoplastic resin and ii) a foaming agent selected from alkali metal and ammonium bicarbonates.

Abstract: An aqueous cleaning composition for removing paraffin, asphaltene, and scale deposits or plugs from a hydrocarbon system. The aqueous cleaning composition is formed of a cleaning composition and an aqueous liquid. The cleaning composition contains about 21-33% of a silicate, about 20-35% of a peroxygen, about 3-15% of a phosphate, about 15-40% of a carbonate or bicarbonate, about 1-10% of a chelating agent, about 1-5.5% of a surfactant combination. In one embodiment, the surfactant combination includes a surfactant polymer mixture containing a block polymer and a reverse polymer, and a wetting agent containing a sulfonated material or an ethoxylated alcohol.

Abstract: A cleaning mixture comprising polymeric resin pellets having a Rockwell R hardness of 85 to 140, water, and a surfactant salt comprising at least one of sulfonate salts, C6 to C36 carboxylic acid salts, or mixtures thereof, is used to purge the mixing device. The cleaning mixture has a pH of 6.0 to 9.0.

Abstract: Processes and compositions for cleaning mixing devices are disclosed that improve the production and quality of thermoplastic polymer resins subsequently produced in the mixing device, while reducing the time needed for cleaning and/or change over. A cleaning mixture comprising polymeric resin pellets having a Rockwell R hardness of 85 to 140 externally coated with an aqueous solution containing sulfonate salts, alkyl aryl sulfonate salts, alkyl sulfate salts, C6 to C36 carboxylic acid salts, or mixtures thereof, is used to purge the mixing device. The surfactant salt is present in the aqueous solution at 0.2 to 30 wt % of the solution, the aqueous solution having a pH of 6.0 to 9.0.

Abstract: A method for cleaning oil wells to increase the flow of oil thereof by use of a unique cleaning emulsion comprising of water, hydrocarbon solvent, terpene hydrocarbon material, demulsifier, detergent, and optionally an acid. This one step method provides for the simultaneously cleaning/removal of asphaltene and/or paraffin and scale at a wide range of temperatures. This method can be used alone or with the assistance of a wash tool which is a combination pressure and surge wash tool having a nipple assembly, or a hydro self-rotating nozzle wash tool.

Abstract: Oilfield treatment compositions contain water, hydrochloric acid at a concentration between 15 wt % and 45.7 wt % and a first fixing agent. The first fixing agent comprises urea, a urea derivative or both. The molar ratio between the first fixing agent and water may be higher than or equal to 0.5, and urea is the dominant solvent species in the compositions. In these compositions the first fixing agent provides corrosion inhibition when exposed to steel. The compositions may also contain a second fixing agent and an inhibitor aid.

Abstract: Oilfield treatment compositions contain water, hydrochloric acid at a concentration between 15 wt % and 45.7 wt % and a first and second fixing agent. The first fixing agent comprises urea, a urea derivative or both. The second fixing agent may be a mixture or amines and alcohols. These compositions provide corrosion inhibition when exposed to steel. The compositions may also contain an inhibitor aid.

Abstract: A composition including HCl, urea, complex substituted keto-amine-hydrochloride, an alcohol, an ethoxylate, and a ketone is provided in a method for solubilizing calcium carbonate in an aqueous suspension or dispersion of calcium carbonate.

Abstract: Compounds of biodegradable surfactants useful for optimizing the separation of impurities typical of hydrocarbons, and designed to intervene and stabilize the molecular structure of crude oil, with no significant alterations of the crude's intrinsec composition are disclosed. The biodegradable surfactants compounds coexist with a non-ionic surfactant and an organic mix in emulsion form with the purpose of isolating crude from the pipeline, reduce friction to improve crude flow and to enter the crude macromolecule to modify the hydrocarbon chain to reduce its density and thus its viscosity; including compounds of biodegradable surfactants that comprise sodium hydroxide 1N, potassium chloride, sulphonic acid, dodecanoic acid, nonylphenol, terpene-1 and water, preferably hard water.

Abstract: Water-soluble solvent compositions, including from about 10% to about 60% by weight of an aromatic ester; from about 30% to about 60% by weight of an aliphatic ester; from 0% to about 15% by weight of a co-solvent; from 0% to about 20% of one of a cyclic terpene and a terpenoid; from 0% to about 1% by weight of an odor-masking agent; and from 0% to about 20% by weight of a nonionic surfactant, for removing petroleum residue from a substrate, and methods of use thereof. The composition can further comprise water. The composition also can comprise an aqueous solution. The method for removing petroleum residue from a substrate can further comprise recycling the solvent composition by using a countercurrent separation column charged with compressed ammonia and/or carbon dioxide and a spinning band distillation column to separate the solvent composition from the petroleum residue.

Abstract: A cleaning fluid comprising glycerin and a culture of micro-organisms, said culture comprising lactic acid bacteria, actinomycetes, photosynthetic bacteria, yeast and fungi.

Abstract: Water-soluble solvent compositions, including from about 10% to about 60% by weight of an aromatic ester; from about 30% to about 60% by weight of an aliphatic ester; from 0% to about 15% by weight of a co-solvent; from 0% to about 20% of one of a cyclic terpene and a terpenoid; from 0% to about 1% by weight of an odor-masking agent; and from 0% to about 20% by weight of a nonionic surfactant, for removing petroleum residue from a substrate, and methods of use thereof. The composition can further comprise water. The composition also can comprise an aqueous solution. The method for removing petroleum residue from a substrate can further comprise recycling the solvent composition by using a countercurrent separation column charged with compressed ammonia and/or carbon dioxide and a spinning band distillation column to separate the solvent composition from the petroleum residue.

Abstract: To provide a thermoplastic resin composition for cleaning a molding processing machine, which has good cleaning performance and workability in cleaning an inner side of a molding processing machine of thermoplastic resin composition, such as an extruder and an injection molding machine. A thermoplastic resin composition for cleaning a molding processing machine, which includes (A) an olefin-based resin, (B) a thermoplastic resin which is not compatible with the olefin-based resin of the component (A), (C) a thermoplastic resin for making the olefin-based resin of the component (A) and the thermoplastic resin of the component (B) compatible with each other, (D) an alkaline metal salt of a fatty acid, (E) a nonionic surfactant, and (F) a metal salt of an acidic phosphoric ester.

Abstract: The present invention relates to the use of solutions containing glutamic acid N,N-diacetic acid or a salt thereof (GLDA) and/or methylglycine N,N-diacetic acid or a salt thereof (MGDA) in treating subterranean formations, wherein the solutions contact carbon steel-containing equipment, and to a system containing a carbon steel-containing material in contact with a solution containing glutamic acid N,N-diacetic acid or a salt thereof (GLDA) and/or methylglycine N,N-diacetic acid or a salt thereof (MGDA), at elevated temperatures and/or employing carbon steel types as usually found in subterranean formations.

Abstract: The invention relates to a class of novel surfactants that have utility in the recovery and/or extraction of oil.

Abstract: To provide a thermoplastic resin composition for cleaning a molding processing machine, which has good cleaning performance and workability in cleaning an inner side of a molding processing machine of thermoplastic resin, such as an extruder and an injection molding machine. A thermoplastic resin composition for cleaning a molding processing machine, which includes (A) a thermoplastic resin containing a styrene-based resin, (B) an alkaline metal salt of a fatty acid, (C) a nonionic surfactant, and (D) a metal salt of an acidic phosphoric ester.

Abstract: A cleaning composition suitable for removing soil from a variety of surfaces and a method of using the same are provided. Cleaning compositions according to embodiments of the present invention include at least one carbonate ester, including, for example, ethylene carbonate, propylene carbonate, trimethylene carbonate, and combinations thereof. Depending on the specific application, the compositions may also include at least one surfactant and/or at least one thickener. Cleaning compositions as described herein may be particularly useful for removing soil from surfaces of pipes, vessels, and other equipment associated with the production and/or processing of oil and/or natural gas, such as, for example, equipment associated with a hydraulic fracturing process.

Abstract: Provided is a method for removing deposited solid residue from equipment used in the processing of (meth)acrylic acid or esters, including the steps of dissolving the solid residue in a cleaning solution comprising an organic carboxylic acid to produce a solid residue slurry; and removing the solid residue slurry from the equipment.

Abstract: The present invention relates to a solid formulation of soap stick type comprising a primary surfactant, at least one binding agent and at least one dispersant that may especially be an amphoteric surfactant, optionally with additives. The present invention also relates to uses of said formulation, especially for oilfield applications, e.g. for gas well deliquification applications.

Abstract: A non-aqueous solvent composition and method for cleaning and removing oleaginous materials such as hydraulic fluids from reinforced-fiber composites characterized as a cleaning composition free of ozone depletion materials, having a low vapor pressure, a flash point above 140° F., and consists essentially of cyclohexenes, isoparaffinic hydrocarbons, dearomatized hydrocarbons and corrosion inhibitors.

Abstract: Compositions and methods for treating biofilm formation and growth on a substrate are provided. The composition comprises 1 ppb to 1,000 ppm of at least one D-amino acid and 1 ppm to 60,000 ppm of at least one biocide. The method comprises contacting the substrate with 1 ppb to 1,000 ppm of at least one D-amino acid and 1 ppm to 60,000 ppm of at least one biocide. The compositions and methods are effective for preventing, reducing or eliminating biofilm formation or biofilm growth or both, as well as eradicating established, recalcitrant biofilms, particularly biofilms comprising sulfate reducing bacteria that are known to cause microbiologically influenced corrosion, biofouling, or both.

Abstract: Removing an asphaltene particle from a substrate includes contacting a silicate nanoparticle with a chemical group to form a functionalized silicate nanoparticle, the chemical group includes a first portion; and a second portion comprising an aromatic moiety, the first portion being bonded to the silicate nanoparticle; contacting the asphaltene particle with the functionalized silicate nanoparticle, the asphaltene particle being disposed on the substrate; interposing the functionalized silicate nanoparticle between the asphaltene particle and the substrate; and separating the asphaltene particle from the substrate with the functionalized silicate nanoparticle to remove the asphaltene particle. A composition includes a functionalized silicate nanoparticle comprising a reaction product of a silicate nanoparticle and an aromatic compound; and a fluid.

Abstract: Methods for removing an organic material from a portion of oilfield equipment are described. The methods include forming a composition that includes a hybrid polymer and introducing the composition to the portion of the oilfield equipment from which the organic material is to be removed. The hybrid polymer includes a synthetic component formed from at least one or more olefinically unsaturated carboxylic acid monomers or salts thereof, and a natural component formed from a hydroxyl-containing natural moiety.

Abstract: A composition comprising 10-80% by weight of a cellulose ether and a solvent selected from a water-soluble polyhydric alcohol, polyhydric alcohol ether, polyhydric alcohol ester, and ethanolamine is effective for purging extrusion and injection molding machines. The purging composition exerts a satisfactory purging or cleaning effect, but little abrasion effect, thus avoiding any abrasion of machine internal components by purging. Even if part of the purging composition is left within the machine after the composition is discharged out, the residue can be readily removed.

Abstract: Processes and compositions for cleaning mixing devices are disclosed that improve the production and quality of polycarbonate resins subsequently produced in the mixing device, while reducing the time needed for cleaning and/or change over. A cleaning mixture comprising polycarbonate resin pellets coated with an alkyl aryl sulfonate salt aqueous solution are used to purge the mixing device.

Abstract: The present invention relates to compositions comprising tunable polymeric surfactants and methods for enhanced oil recovery.

Abstract: Compositions for chemically removing sulfur deposits from reservoir formations, production tubing, flow lines, and other production equipment due to the production of sour gas and/or oil including reaction products of diamines and aldehydes at a mole ratio between about 1:1 and about 1:6, and methods for making and using same.

Abstract: The present invention relates to process to reduce the corrosion of equipment containing a chromium-containing alloy in the oil and/or gas industry, comprising a step of contacting the equipment based on a chromium-containing alloy with a solution containing at least 1 wt % on total weight of the solution of glutamic acid N,N-diacetic acid or a salt thereof (GLDA) and/or methylglycine N,N-diacetic acid or a salt thereof (MGDA) having an acidic pH, the use of the above solutions in equipment containing a chromium-containing alloy to reduce corrosion, and to a system containing a piece of equipment used in the oil and/or gas industry made at least partly from chromium-containing alloy in contact with an acidic solution containing at least 1 wt % of glutamic acid N,N-di acetic acid or a salt thereof (GLDA) and/or methylglycine N,N-di acetic acid or a salt thereof (MGDA).

Abstract: The present invention comprises an iron complexing mixture and method of using same wherein beneficial performance and natural gas pipeline cleaning methods are employed. The synergistic improvement of combining two water-soluble metal complexing agents, THPS and IDS, prove to offer advantages in performance over the individual use of either chemical.

Abstract: Methods of using an aldimine of formula (I) as cleaning agent or ingredient of a cleaning agent composition for reactive polyurethane compositions, especially for reactive polyurethane hot melt adhesives. It has been found that such cleaning agents can greatly reduce the quantity of wastes and in particular mixtures of blocked and nonblocked reactive polyurethane compositions can be used without problem for gluing, without the gluing being negatively influenced in its properties, especially its thermal stability.

Abstract: A method for preparing an emulsion cleaning composition that is resistant to separation upon exposure to depressed and elevated temperatures and which exhibits a persistent peroxide content comprises preparing an organic portion and an oxidant portion and then combining the organic portion and the oxidant portion under mixing to make the emulsion. The organic portion comprises an organic solvent, and emulsifier and a cleaner surfactant. The oxidant portion comprises an oxidizing compound activator and a peroxide generator. The emulsion cleaning composition is useful for removing petroleum distillate residue from metal surfaces such as refinery surfaces.

Abstract: A composition for dissolving and/or inhibiting deposition of scale on a surface of a system comprises an acidic component, a wetting agent, and a corrosion inhibitor. The composition may further comprise water. The acidic component comprises an alkanesulfonic acid, e.g. methanesulfonic acid (MSA). The wetting agent comprises a surfactant. The corrosion inhibitor comprises an amphoteric surfactant. The alkanesulfonic acid is present in an amount of at least about 50 weight percent (wt %), the surfactant is present in an amount of from about 0.1 to about 30 wt %, and the amphoteric surfactant is present in an amount of from about 0.025 to about 20 wt %, each based on 100 wt % of the alkanesulfonic acid, the surfactant, and the amphoteric surfactant combined. A method of dissolving and/or inhibiting deposition of scale on the surface of the system comprises the step of contacting the surface of the system with the composition.

Abstract: Disclosed are cleaning solutions. More particularly, non-toxic solutions of base, water, alcohol and detergent, that effectively and surprisingly eliminate contaminating aliphatic acids in aqueous solutions. When present as a foam or even a contaminating film remaining on various parts and surfaces, aliphatic acid contaminants can be present a large and costly problem in manufacturing operations, cleaning tasks, personal hygiene. The need to remove such contaminants arises in a myriad environments and situations, such as during the manufacture of detergents, pharmaceuticals, consumer products, coring and core analysis, manipulation of oils, fuels, fermentation applications, manufacture of emollients, moisturizers, liquors, foods such as seafood, milk, butter and other dairy products, water processing, paper products, tissue culture, reusable clinical equipment, and the like.

Abstract: The present disclosure relates to a dimethyl sulfoxide composition suitable for cleaning polymer residue found on the devices used for processing plastic materials, in particular polyurethane.

Abstract: Processes and compositions for cleaning mixing devices are disclosed that improve the production and quality of polycarbonate resins subsequently produced in the mixing device, while reducing the time needed for cleaning and/or change over. A cleaning mixture comprising polycarbonate resin pellets coated with an alkyl aryl sulfonate salt aqueous solution are used to purge the mixing device.

Abstract: Processes and compositions for cleaning mixing devices are disclosed that improve the production and quality of thermoplastic polymer resins subsequently produced in the mixing device, while reducing the time needed for cleaning and/or change over. A cleaning mixture comprising polymeric resin pellets having a Rockwell R hardness of 85 to 140 externally coated with an aqueous solution containing sulfonate salts, alkyl aryl sulfonate salts, alkyl sulfate salts, C6 to C36 carboxylic acid salts, or mixtures thereof, is used to purge the mixing device. The surfactant salt is present in the aqueous solution at 0.2 to 30 wt % of the solution, the aqueous solution having a pH of 6.0 to 9.0.

Abstract: Compounds of biodegradable surfactants useful for optimizing the separation of impurities typical of hydrocarbons, and designed to intervene and stabilize the molecular structure of crude oil, with no significant alterations of the crude's intrinsec composition are disclosed. The biodegradable surfactants compounds coexist with a non-ionic surfactant and an organic mix in emulsion form with the purpose of isolating crude from the pipeline, reduce friction to improve crude flow and to enter the crude macromolecule to modify the hydrocarbon chain to reduce its density and thus its viscosity; including compounds of biodegradable surfactants that comprise sodium hydroxide 1N, potasium chloride, sulphonic acid, dodecanoic acid, nonylphenol, terpene-1 and water, preferably hard water.

Abstract: The method for cleaning a reactor of the present invention comprises passing a solvent through a wax-fraction hydrocracking apparatus which is charged with a catalyst and to which supply of a wax fraction is stopped, wherein the solvent comprising at least one oil selected from a group consisting of hydrocarbon and vegetable oils, and having a sulfur content of less than 5 ppm and being in a liquid state at 15° C.

Abstract: This invention relates to compositions and methods for controlling and/or removing deposits in oil and/or gas handling equipment, and more specifically relates to controlling and/or removing deposits from the walls of oil and/or gas pipelines.

Abstract: Water-soluble solvent compositions, including from about 10% to about 60% by weight of an aromatic ester; from about 30% to about 60% by weight of an aliphatic ester; from 0% to about 15% by weight of a co-solvent; from 0% to about 20% of one of a cyclic terpene and a terpenoid; from 0% to about 1% by weight of an odor-masking agent; and from 0% to about 20% by weight of a nonionic surfactant, for removing petroleum residue from a substrate, and methods of use thereof. The composition can further comprise water. The composition also can comprise an aqueous solution. The method for removing petroleum residue from a substrate can further comprise recycling the solvent composition by using a countercurrent separation column charged with compressed ammonia and/or carbon dioxide and a spinning band distillation column to separate the solvent composition from the petroleum residue.

Abstract: A purging agent by which excellent cleaning effect is obtained even under severe environment of narrow flow passage and high temperature like a die portion of a melt molding machine is provided. The present invention relates to a purging agent comprising a hydrocarbon resin and at least one of the metal salts of Groups 1 and 2 metals in the short form periodic table, wherein the content of the metal salt based on the hydrocarbon resin is more than 1 wt % in terms of the metal.

Abstract: The invention relates to a class of novel surfactants that have utility in the recovery and/or extraction of oil.

Abstract: A process is provided for removing polymeric fouling on process equipment surfaces to restore the efficiency of such equipment. This is accomplished by contacting the fouled equipment with a solvent comprising at least one non-aromatic hydrocarbon compound, or a mixture of one or more non-aromatic organic compounds and one or more aromatic hydrocarbon compounds, for a period of time sufficient to remove the polymeric fouling.

Abstract: The invention relates to a class of novel surfactants that have utility in the recovery and/or extraction of oil.

Abstract: A surfactant composition comprising alkylarylsulfonate molecules wherein more than 30 wt. % of the alkylarylsulfonate molecules of the surfactant composition are species of the formula: [R—X—Ar(SO3)?]a[Mn+]b wherein: X is a linear acyclic aliphatic hydrocarbyl chain; R is bound to a non-terminal carbon atom of X and is selected from H and C1 to C3 alkyl groups; X and R together have 10 or less carbon atoms, preferably 9 or 10 carbon atoms, most preferably 10 carbon atoms; Ar is an aromatic group; M is a cation or cation mixture, n is selected from 1, 2 and 3; and a and b are selected such that the alkylarylsulfonate molecule is electroneutral.

Abstract: A method is disclosed for the manufacture of a powdered polyimide extrudate for use as a purge media. The method includes feeding a polyimide film material into an extruder having a first zone that provides heating and a subsequent second zone that provides endothermic shearing. In one embodiment, the resulting purge media comprises a sheared polyimide powder having an average particle size in a range of about 5 to 100 microns (or any sub-range thereof). The purge media can comprises up to 35 weight percent other additives.

Abstract: A method for performing an oil field service including forming a fluid comprising ammonium salt and exposing an equipment surface to the fluid, wherein the surface retains less residue than if no exposing occurred. A method for preparing for an additional oil field service including forming a fluid comprising ammonium salt, exposing an equipment surface to the fluid wherein the surface retains less residue than if no exposing occurred, and performing an oil field service.