Abstract: The present invention provides a cleaning agent for removing the solder flux and method for cleaning the solder flux which exhibit the excellent cleaning property even at the time of cleaning a lead-free soldering flux, a high-melting-point solder flux or the like and, at the same time, exhibits the excellent rinsing property in the rinsing using an alcoholic solvent in a next step. Accordingly, the present invention provides a cleaning agent for removing the solder flux which sets a content of benzyl alcohol to a value which falls within a range of 70 to 99.9 weight % and a content of amino alcohol to a value which falls within a range of 0.1 to 30 weight % when a content of a glycol compound is below 1 weight % with respect to a total amount of the cleaning agent for removing the solder flux, and sets a content of benzyl alcohol to a value which falls within a range of 15 to 99 weight % and a content of amino alcohol to a value which falls within a range of 0.

Abstract: Combination products comprising packaging and two liquid cleansers or detergents A and B separated from each other in the packaging and having the following composition: A: 10% to 75% by weight of detergent builder(s), 0.1% to 10% by weight of enzyme(s), 24.9% to 89.9% by weight of water; and B: 10% to 74.9% by weight of detergent builder(s), 25% to 89.9% by weight of water, 0.1% to 15% by weight of bleach, characterized in that the liquid detergent A has a pH value (at 20° C.) between 6 and 9. The combination products of the invention demonstrate improved cleaning power over conventional solid or liquid dishwashing detergents.

Abstract: The present invention is directed to a coating removal composition comprising at least one weak metal binding agent, a solvent system comprising at least one alcohol or ester, and a corrosion inhibition system. A method of removing a coating from an intentionally colored concrete floor is also disclosed. Utilization of the method results in at least 70% retention of colorant component after stripping a coating from an intentionally colored concrete surface, such as a floor.

Abstract: A composition comprising a polypropylene glycol, a polyethylene glycol ester, an amine, and optionally an alcohol. The composition can be used as a purge solution to clean paint equipment.

Abstract: A process for removing paint from a plastic substrate that typically includes immersing and optionally agitating the painted plastic substrate in a first chemical fluid, removing the substrate from the first chemical fluid, typically immersing and optionally agitating the substrate in a second chemical fluid, removing the substrate from the second chemical fluid, optionally immersing and optionally agitating the substrate in a third chemical fluid, where the third chemical fluid typically includes substantially the same chemicals as the second chemical fluid, rinsing the substrate, and drying the substrate. The present invention also includes a method for recycling an initially painted plastic substrate.

Abstract: A method of removing cured conductive polymer adhesives, disclosed here as thermal interface materials, from electronic components for reclamation or recovery of usable parts of module assemblies, particularly high cost semiconductor devices, heat sinks and other module components.

Abstract: A composition for cleaning a fluid delivery system includes an agent which controls the rheology of the fluid so that its apparent viscosity decreases as the fluid is subjected to a shear force. In particular applications, the viscosity of the composition is greater than 600 centipoise when it is not subject to any shear and less than 600 centipoise when subject to a shear of at least 10 1/sec. The fluid may be thixotropic or a Bingham plastic, in some instances. In a specific embodiment, the viscosity of the composition is greater than 3000 centipoise when it is not subject to shear, less than 3000 centipoise at a shear of 10 1/sec, less than 1000 centipoise at a shear of 30 1/sec, and less than 600 centipoise at a shear of 60 1/sec. Also disclosed are methods for cleaning a fluid delivery system with these compositions.

Abstract: A method for stripping a floor using a concentrate prepared by mixing a substantially nonchlorinated concentrate containing a floor finish solvent and an at least partially unactivated water thickener. The concentrate is diluted merely with water at an intended use location to activate the water thickener and noticeably increase within ten minutes or less the viscosity of the resulting mixture, then applied to a hardened floor finish atop a floor and allowed to soften or dissolve the floor finish so that the finish may be removed from the floor.

Abstract: Uncured solvent-based paint may be flushed from a paint delivery installation using a substantially non-aqueous composition containing one or more organic solvents and a polymer having acid and/or amine functional groups.

Abstract: A spray applicator cleaning system and a method includes a valve and control means for discharging air and solvent in alternating bursts to shaping air nozzles, a coating supply conduit and a dedicated cleaning nozzle on the applicator.

Abstract: A device and method for cleaning paint accessories and particularly roller covers and/or other paint accessories simultaneously or individually. A spray head has a fluid inlet engageable to a source of fluid and a fluid collection chamber in communication with the fluid inlet. A plurality of spray apertures are radially spaced within the spray head to be adjacent the nap of a roller cover during use. A sealing surface positioned within the radius of the spray apertures seals off an end of the roller cover. A housing having an inner cavity for receiving a roller cover has a diameter sized to create cleansing fluid flow through the nap of a roller cover. A plurality of outlet apertures in communication with the inner cavity are radially spaced to be adjacent a nap portion of a roller cover during use. A plurality of decreased diameter nestable sleeves adapted to fit in the housing are also provided to accommodate variously circumferentially dimensioned paint rollers.

Abstract: A system for cleaning acid rain and mineral deposits from glass and/or painted surfaces includes powdered kaolin clay. The glass is preferably cleaned with this system, then a system for more effectively delivering Fibershield 218 and like protectants to glass is used to add a protectant.

Abstract: Provided are azeotrope-like compositions comprising pentafluoropropane, methanol, and dichloroethylene, and uses thereof, including use in aerosols, refrigerant compositions, refrigeration systems, and blowing agent compositions.

Abstract: A process for removing paint from a plastic substrate that typically includes immersing and optionally agitating the painted plastic substrate in a first chemical fluid, removing the substrate from the first chemical fluid, typically immersing and optionally agitating the substrate in a second chemical fluid, removing the substrate from the second chemical fluid, optionally immersing and optionally agitating the substrate in a third chemical fluid, where the third chemical fluid typically includes substantially the same chemicals as the second chemical fluid, rinsing the substrate, and drying the substrate. The present invention also includes a method for recycling an initially painted plastic substrate.

Abstract: The present invention relates to cleaning composition comprising a surface substantive polymer for cleaning surfaces, particularly the exterior surfaces of a vehicle.

Abstract: The present invention provides a removable marking system that includes a removable paint formulation and an aqueous removal formulation, and a method of using this removable marking system.

Abstract: A system for recycling reusable resin mold products recovered from discarded apparatuses is disclosed. This recycling system includes a crushing system for crushing resin mold products one kind by one kind into crushed resinous pieces and packing the same in a bag, a classification system for irradiating a light beam to the resin in the bag and classifying the bags into respective kinds of resins based on a reflected beam therefrom, a cleaning system for separately cleaning the respective kind of crushed resinous pieces taken out of the bag to remove foreign matters adhered onto the surfaces of the crushed resinous pieces therefrom, and a recovery system for recovering the cleaned crushed resinous pieces.

Abstract: Cleaning compositions and methods of use thereof are described. A representative cleaning composition includes about 0.2% to about 25% of a surfactant and one or more of the following components: about 5% to about 99% of a builder, bout 5% to about 95% of a hydrotrope, about 2% to about 60% of a water conditioner, about 0.1% to about 35% of an alkali, and about 2% to about 85% of a processing aid.

Abstract: The invention relates to compounds of the formula (1) in which A is C2- to C4-alkylene, B is C1- to C4-alkylene, x is a number from 1 to 3, and y is a number from 1 to 100.

Abstract: The present invention relates to methods and compositions for removing resin coatings. More particularly, the present invention relates to methods and compositions for removing coatings comprising epoxy and/or furan. Some embodiments of the methods of the present invention comprise removing a resin coating from a surface comprising the step of applying to the surface a cleaning solution comprising: a pH-adjusting agent, a solvent, and water. Other embodiments of the present invention comprise cleaning solutions comprising a pH-adjusting agent, a solvent, and water wherein the cleaning solution is suitable for use in cleaning a resin from a surface.

Abstract: The invention is a composition and method for treating paint booth water systems to facilitate paint removal. The composition comprises water, solid particles of insoluble organic polymer, such as, by way of non-limiting example, urea methanal copolymer, preferably including less than 50 weight percent of particles of diameter of 1 micron or less, and optionally surfactants, thickeners, polymeric flocculents different from the organic polymer, clarifiers, anti-corrosive components, and/or biocides.

Abstract: A method and apparatus are provided to clean a paint feed-line (1) of a painting system, line running from at least one paint tank (2, 9) to a paint deposition device (3) and feeding paint in this direction during the operational stages. During cleaning stages between operational stages, a cleaning substance is forced through the feed line (1). An inert gas, for instance nitrogen, is used as the gas for this purpose, and at the end of the cleaning stages the feed line (1) is filled with the inert gas. The gas remains in the feed line (1) until the next operational stage begins.

Abstract: The present invention is directed to methylene chloride-free, and optionally methanol-free, paint stripper and gasket remover formulations as alternatives to methylene chloride-based paint strippers and gasket removers.

Abstract: A method is provided for removing a paint layer formed on a Mg-alloy material. The method includes a physical removing step and a chemical removing step. At the physical removing step, the paint layer is partially removed by using a cutter or by wet blasting. Then, the paint layer is peeled by immersing the Mg-alloy material in an alkali parting agent.

Abstract: A process for removing paint from a plastic substrate that typically includes immersing and optionally agitating the painted plastic substrate in a first chemical fluid, removing the substrate from the first chemical fluid, typically immersing and optionally agitating the substrate in a second chemical fluid, removing the substrate from the second chemical fluid, optionally immersing and optionally agitating the substrate in a third chemical fluid, where the third chemical fluid typically includes substantially the same chemicals as the second chemical fluid, rinsing the substrate, and drying the substrate. The present invention also includes a method for recycling an initially painted plastic substrate.

Abstract: A gel is produced by magnetically treating and mixing two solutions and in one embodiment subsequently introducing carbon dioxide gas. The first solution is comprised of water and sodium bicarbonate, and the second solution is comprised of water and sodium silicate. The first solution is passed through a positively charged magnetic field, and the second solution is passed through a negatively charged magnetic field. The two solutions are then mixed together to form a gel. The resulting gel has excellent fire-fighting capabilities because of its high heat absorption and emissive qualities. Also disclosed is a method for using the gel to aid in the removal of surface coatings.

Abstract: A cleaning tool for cleaning the walls of a swimming pool or other concrete structures. Two different sized aggregate or abrasives are combined with a binder to provide an improved cleaning device. The binder and the aggregates are matched so as to wear at substantially identical rates.

Abstract: Method for stripping ceramic coatings from the surfaces of articles. The apparatus includes a dedicated pressure vessel, such as an autoclave, which is maintained at an elevated temperature. Caustic solution is preheated to a first elevated temperature before injecting it into the autoclave, and the caustic solution is filtered and cooled after use in the autoclave. The articles are stripped of coating by maintaining the articles at an elevated temperature and pressure for a predetermined time. Various options include the use of analytical equipment to maintain the chemistry of the caustic solution and use of a volatile organic solution to prepressurize the autoclave and shorten cycle time. The articles are transferred to a separate pressure vessel after completion of the stripping operation so that the autoclave used for stripping can be maintained at an elevated temperature, thereby shortening the cycle time for stripping of additional articles.

Abstract: The present invention includes a composition having detackifying and detoxifying properties such that the composition is useful for detackifying and detoxifying paint particles in spray booth water and for treating a paint booth dry filter to render the filter fire retardant, non-combustible and non-hazardous to enable disposal of a used dry filter in a standard landfill. The present invention also includes a method for the detackification and detoxification of oversprayed paint in a paint spray booth system wherein said oversprayed paint comes into contact with water of a waste water system.

Abstract: A nail polish remover is formulated from a combination of solvents derived from naturally occurring materials, which combination consists essentially of a (i) a major proportion by weight (“by wt”) of esters of fatty acids having from 16 to 18 carbon atoms wherein the content of linoleic acid ester in the source vegetable oil is less than 60%, and (ii) a minor proportion by weight of a lower (C1–C5) alkyl lactate. The nail polish remover is highly effective yet has good skin conditioning properties, is non-toxic and non-flammable. A visible residue several micrometers thick provides a desirable gloss on the cleaned nails unless it is washed off.

Abstract: Substrates are cleaned by contacting the substrate with a cleaning composition, particularly an aqueous composition, including at least one compound of the formula (I): (R2)p—Ph—(CH2)m—COO—(AO)n—R1 (I) where R1, AO, n, M, Ph, R2 and p have defined meanings, particularly to give alkyl benzoates. Such compounds provide useful solvency to the cleaning formulations while having a relatively benign environmental profile.

Abstract: An automotive headlight restorer and cleaner which removes oxidation and yellow haziness and restores optical clarity. The method of manufacture consists of several solutions. Solution A, which is an industrial degreasing compound, diluted to 1:20. Solution B1 is a mixture of 53%–56% mineral spirits, 1%–3% butanol, and gloss spar varnish and/or acrylic urethane. Solution B1 is used on lenses with heavy oxidation and severe damage. It will improve them greatly, but not restore them to like new clarity. Solutions B2 and C are for lenses with less severe oxidation and damage (the majority of lenses fit in this category.) Solution B2 is a fine cut cleaner (a professional quality rubbing compound of low abrasive content with diminishing abrasiveness). Solution C is a combination wax, polish, sealer. This solution protects against future damage to the lenses.

Abstract: A composition for removing paraffin, wax, or asphaltine deposits from the surface of a crude oil transmission system, such as a downhole tubular, a pipeline, or a surface tank, includes an aqueous sodium hydroxide solution containing from 18% to 25% by weight sodium hydroxide. The composition further includes an acetic acid solution containing from 30% to 55% by weight acetic acid compared to the sodium hydroxide, and a liquid aromatic hydrocarbon having from 6 to 10 carbon atoms and from 15% to 40% by weight compared to the sodium hydroxide. According to the method of the invention, the aqueous sodium hydroxide solution may be metered in a downhole tubular or a pipeline separate from the acetic acid solution, such that heat generated by the mixed composition is generated within the downhole tubular or the pipeline.

Abstract: This invention relates to a method to facilitate the removal of adherent polymeric films from a hard surface occasioned by the evaporation of solvent from compositions containing an anionic amphiphilic polymer, the method comprising incorporating a phosphate ester surfactant into the compositions, and washing the film from the surface to which it adheres.

Abstract: A purge solution for removing water-based dehydrated paint residues from a paint delivery system includes 2–15 total weight percent of a purge concentrate diluted with solvent. The concentrate includes 20–99.5 total weight percent of a C4 alcohol or an alkoxylated C4 alcohol, and 0.5–30 total weight percent of an amine.

Abstract: At least one towellette is impregnated with a paint and nail polish remover formulation (remover formulation) by spraying. The remover formulation cleans polyurethane paint, enamel paint, printing inks and adhesives from hands, or nail polish from finger nails. The remover formulation includes dimethyl ester, dimethyl sulfoxide and methyl soyate, which all act as solvents. Alcohol, ethyl lactate and oxy-1,2-ethanediyl nonylphenyl-omega-hydroxy are preferably included in the remover formulation. The alcohol acts as a solvent and a drying agent. The ethyl lactate acts as a solvent. The oxy-1,2-ethanediyl nonylphenyl-omega-hydroxy acts as a surfactant to remove the solvents. The remover formulation also preferably includes aloe vera, propylene glycol and water. The at least one towellette is preferably in the form of a roll, which is contained in a dispenser.

Abstract: Disclosed are binary azeotrope-like compositions consisting essentially of 1,1,1,3,3-pentafluorobutane (HFC-365mfc) and 1,1,1,2,3,4,4,5,5,5-decafluoropentane (HFC-43-10mee) or nonafluoromethoxybutane. The present invention further includes ternary or quaternary azeotrope-like compositions consisting essentially of 1,1,1,3,3-pentafluorobutane and 1,1,1,2,3,4,4,5,5,5-decafluoropentane or nonafluoromethoxybutane, and additionally trans-1,2-dichloroethylene, n-propyl bromide, acetone, methanol, ethanol or isopropanol.

Abstract: A solution for washing away residue, comprising an aqueous solution of a water-soluble high molecular compound in which is dissolved at least one kind of dissolving agent selected from an amine and a fluoride. The washing solution is capable of effectively washing away the residue formed during the production of electronic circuits, is very lowly corrosive to the insulating films, low-dielectric interlayer insulating films and wirings, and offers an advantage of little generating foam.

Abstract: The invention relates to an aqueous composition comprising in combination an alkyl pyrrolidone, such as a C8-C18 linear alkyl pyrrolidone, and an alkyl polysaccharide such as an alkyl polyglucoside, and a method of .enhancing the efficacy of an enzyme containing composition for use in cleaning medical instruments comprising the step of including in said composition an alkyl pyrrolidone and an alkyl polysaccharide. The methods and compositions of the present invention may further include at least one enzyme such as proteases, lipases, amylases, and cellulases.

Abstract: This invention relates to a method to facilitate the removal of adherent polymeric films from a hard surface occasioned by the evaporation of solvent from compositions containing an anionic acrylates copolymer, the method comprising incorporating a phosphate ester surfactant into the compositions, and washing the film from the surface to which it adheres.

Abstract: This invention concerns paint stripping compositions which are particularly suitable for stripping paint off aircraft. The basic composition consists of a mixture of specific amounts of the following substances: aromatic hydrocarbons, dimethyl formamide; N-methylpyrrolidone; benzyl alcohol; alkanolamine; wax; wetting agent; and thickening agent. A modified composition may also contain dimethyl sulfoxide and a terpene solvent. The invention also includes the method of stripping paint from an aircraft by applying the new stripping composition onto the surface of the aircraft allowing the paint to soften and loosen under the action of the composition, or to penetrate under the paint coating, and then gently removing both the loosened paint and the stripping composition from the aircraft surface without damaging the surface.

Abstract: The present invention relates to, inter alia, a composition for stripping photoresist from substrates comprising: about 5% to about 50% by weight of an alkyl substituted pyrrolidone, an alkyl substituted piperidone, or a mixture thereof, about 0.2% to about 20% of one or more alkanolamines, and about 50% to about 94% of a sulfoxide, sulfoxone, or mixture thereof. Advantageously, the composition can remove copper from a copper substrate at a rate of less than about 10 ? per minute when the substrate is immersed in the composition which is held at 70° C. for 30 minutes and rotated relative to the composition at about 200 revolutions per minute.

Abstract: The present invention is a photoresist remover composition used in order to remove photoresist during the manufacturing process of semiconductor devices, such as large-scale integrated circuits and very large-scale integrated circuits. The present invention comprises 2˜20 weight % of water-soluble hydroxylamine, 5˜15 weight % of oxime compound containing 2 or 3 hydroxyl groups, and 30˜55 weight % of alkyl amide. The photoresist remover composition according to the present invention can easily and quickly remove a photoresist layer that is cured by the processes of hard-bake, dry-etching, and ashing and a side-wall photoresist polymer that is produced from the lower metal film by the reaction of the photoresist with etching and ashing gases during these processes. Especially, the photoresist remover composition has a good property of removing the side-wall photoresist polymer produced from the layers of aluminum, aluminum alloy, and titanium nitride.

Abstract: A method of making a printing plate in which the uncoated surface of a substrate is treated with a pre-treatment solution prior to the deposition of ink on the surface. The pre-treatment liquid comprises a polyvalent metal salt, and at least one of an organic swelling reagent and/or a coalescence reagent. The pre-treatment liquid is applied to form a thin, homogenous layer of approximately 4 ?m to the entire upper surface of the recording plate. The swelling reagent and/or the coalescence reagent and the polyvalent metal cations are physically well localized in the porous structure of the plate's surface. After partial drying of the pretreated anodized aluminum plate, CTP liquid is deposited onto the surface to form an image. The CTP liquid solids react with the pre-treatment liquid and are, therefore, chemically bound to the surface. This allows all data to be deposited in a single pass of the inkjet head without the problem of clustering.

Abstract: The invention relates to the use of tenside agents containing selected non-ionic tensides, for use in cleaning and/or disinfecting processes and/or cleaning and/or disinfecting preparations.

Abstract: A solvent composition that comprises a C1-C4 lactate ester and an odor-reducing amount of a tertiary amine having a boiling point at one atmosphere of about 80° C. to about 160° C. is disclosed. The composition (a) is substantially free of odor due to the tertiary amine, (b) exhibits a reduced amount of odor due to the lactate ester as compared to the same composition without the tertiary amine, and (c) is a homogeneous liquid or gel at zero degrees Celsius. A method of reducing the odor of a lactate ester-based solvent is also disclosed.

Abstract: The stripping agent is sprayed from the tip of the nozzle 33 onto the wafer surface, while the first supply nozzle 33 is actuated to scan from the central portion of the wafer to the outer portion thereof. This operation provides the situation, in which the interface of the residual droplet 38 is pulled back from the center of the wafer to the outer portion of the wafer by the surface tension of the stripping agent supplied from the nozzle. Meanwhile, the second supply nozzle 36 also scans at a same scanning speed as the first supply nozzle 33 scans. Vapor IPA is sprayed from the orifice of the second supply nozzle 36. This provides that vapor IPA is sprayed onto the wafer surface immediately after the stripping agent is sprayed thereon from the first supply nozzle 33, and the residual stripping agent on the wafer surface is efficiently replaced with IPA.

Abstract: Paint residues may be removed from spraying equipment and the like by flushing with aqueous compositions containing alkoxylated aromatic alcohols wherein the aromatic ring moieties of such alcohols do not bear any alkyl substituent containing more than 4 carbon atoms. Preferably, the aqueous compositions also contain an alkanolamine or other base. The alkoxylated aromatic alcohols contain an average of at least about 2 oxyalkylene moieties (preferably, oxyethylene moieties) per molecule.

Abstract: A method for recycling photoconductors is disclosed. In this method, the charge transport layer is selectively removed from the photoconductor without adversely affecting the electrical properties of the charge generating layer. The recycled drum may then be recoated with a new charge transport layer and reused in an electrophotographic process. In this method, the photoconductor to be recycled is placed in a specifically selected solvent, such as a dibasic ester, and is subjected to ultrasonic energy, preferably for a period not to exceed about 15 minutes.

Abstract: A composition and method for treating oversprayed paints in paint spray booths is provided. The composition includes an aqueous solution of a compound such as chitosan, and a complex metal salt, such as aluminum chlorohydrate, capable of flocculating the oversprayed paint, and optionally, bentonite clay. The composition is useful for detackifying and flocculating oversprayed paint, and is particularly useful as a liquid concentrate for the addition to wash systems in paint spray booths for water-based and solvent-based paints. The composition is also useful in decreasing the time for phase separation of the organic phase and the aqueous phase in solvent-based removal processes.