1012 results about "Alkanolamine" patented technology

Extremely fast setting of cementitious compositions for producing cement-based products such as cement boards is made possible by adding an alkanolamine to a hydraulic cement such as portland cement, and forming a slurry with water under conditions that provide an initial slurry temperature of at least 90° F. Use of alkanolamine under conditions disclosed herein allows an extremely rapid setting of the cementitious composition. Additional reactive materials may be included such as high alumina cement, calcium sulfate and a pozzolanic material such as fly ash. The extremely fast rapid set permits rapid production of cementitious products.

A formaldehyde-free aqueous binder composition comprises a binder component (A) obtainable by reacting at least one alkanolamine with at least one carboxylic anhydride and, optionally, treating the reaction product with a base; and a binder component (B) which comprises at least one carbohydrate. The binder composition is particularly useful for bonding mineral fiber products.

A stripping liquid for a semiconductor device is provided that includes an aqueous solution containing a quaternary ammonium hydroxide, an oxidizing agent, an alkanolamine, and an alkali metal hydroxide. There is also provided a stripping method that includes a stripping liquid preparation step of preparing the stripping liquid and a stripping step of removing at least one deposit selected from the group consisting of a photoresist, an anti-reflection film, and an etching residue by means of the stripping liquid obtained in the stripping liquid preparation step.

An objective of the invention is to provide a hair dye composition having sufficient decolorizing performance and dying performance without exhibiting any irritative odor, and also having an ability of imparting the hairs with an excellent smoothness. The aspect of the invention is a hair dye composition comprising: a first agent containing an alkanolamine and an oxidation dye; and, a second agent containing an oxidant, wherein a higher alcohol and a quaternary ammonium salt cationic surfactant are contained in the first agent and / or the second agent; wherein the molar ratio of the higher alcohol to the quaternary ammonium salt cationic surfactant is in the range of 3 to 15. In the composition described above, it is preferable that substantially no ammonia is contained.

Compositions useful in semiconductor manufacturing for surface preparation and / or cleaning of wafer substrates such as semiconductor device precursor structures. The compositions can be employed for processing of wafers that have, or are intended to be further processed to include, copper metallization, e.g., in operations such as surface preparation, pre-plating cleaning, post-etching cleaning, and post-chemical mechanical polishing cleaning of semiconductor wafers. The compositions contain (i) alkanolamine, (ii) quaternary ammonium hydroxide and (iii) a complexing agent, and are storage-stable, as well as non-darkening and degradation-resistant in exposure to oxygen.

The present invention relates to a liquid enzyme cleaning composition in which the enzyme is stable at alkaline pH and: at high concentration of boric acid salt; in the absence of sodium ion; and / or in the presence of at least about 40 wt-% water. In an embodiment, water is present at concentrations of at least about 60 weight percent. The present enzyme cleaning composition typically yields superior soil (especially protein soil) removal properties. In an embodiment, the composition of the invention stabilizes the enzyme with potassium and / or alkanolamine borate.

A skin barrier lotion for protection against contact with irritants comprises: about 5 to 15 percent by weight of a long-chain fatty acid; about 1 to 5 percent by weight of a long-chain fatty alcohol; about 1 to 10 percent by weight of a hydrocarbon oil; about 1 to 30 percent by weight of a silicone skin protectant; about 0.5 to about 5 percent by weight of an alkanolamine; about 0.5 to about 5 percent by weight of a humectant; about 0.5 to about 10 percent by weight of an inorganic skin protectant; about 0.5 to 15 weight percent of a preservative; and about 50 to 90 percent by weight water. Optionally, the lotion will also contain up to about 5 percent by weight of a fragrance, odor neutralizer or a mixture thereof.

There is provided is an adjuvant / dispersant for pesticide formulations (among other formulated uses) comprising at least one dialkyl alkanolamine such as dimethyl ethanolamine, at least one derivative thereof, or a combination thereof. Pesticide compositions comprising a pesticide, such as glyphosate, and the adjuvant / dispersant of the present technology and methods for enhancing the effectiveness of the pesticide, such as glyphosate, in an aqueous composition through the addition of the adjuvant / dispersant of the present technology are also disclosed. Solid pesticidal formulations comprising a pesticidal active ingredient and the adjuvant / dispersant of the present technology are also provided.

An aqueous binder composition, useful for making fiber products, especially fiberglass insulation, comprising an aqueous substantially alkaline (pH of at least 5.0) solution of a polyol and a hydrolyzed (solubilized) copolymer of maleic anhydride and a vinyl aromatic compound, preferably styrene (i.e., a SMA copolymer); the copolymer is solubilized using ammonia, a secondary alkanolamine (preferably diethanolamine (DEA)), a tertiary alkanolamine (preferably triethanolamine (TEA)), or a mixture thereof and the binder composition is cured as a consequence of cross-linking, esterification reactions between pendant carboxyls on the solubilized (hydrolyzed) copolymer (SMA) chains and hydroxyl groups of the polyol, including the diethanolamine and / or triethanolamine preferably used in the solubilization of the SMA.

An aqueous binder composition, useful for making fiber products, especially fiberglass insulation, comprising an aqueous substantially alkaline (pH of at least 5.0) solution of a polyol and a hydrolyzed (solubilized) copolymer of maleic anhydride and a vinyl aromatic compound, preferably styrene (i.e., a SMA copolymer); the copolymer is solubilized using ammonia, an ammine, a primary alkanolamines (preferably monoethanolamine), a secondary alkanolamine (preferably diethanolamine (DEA)), a tertiary alkanolamine (preferably triethanolamine (TEA)), or a mixture thereof and the binder composition is cured as a consequence of cross-linking, esterification reactions between pendant carboxyls on the solubilized (hydrolyzed) copolymer (SMA) chains and hydroxyl groups of the polyol, including the diethanolamine and / or triethanolamine preferably used in the solubilization of the SMA.

Alkanolamine absorbent solution useful in recovering carbon dioxide from feed gas streams is reclaimed by subjecting it to vaporization in two or more stages under decreasing pressures.

In one aspect the invention provides a melt process for preparing a functionalized olefin multiblock interpolymer, said process comprising grafting onto the backbone of the olefin multiblock interpolymer at least one compound comprising at least one “amine-reactive” group to form a grafted olefin multiblock interpolymer, and reacting a primary-secondary diamine or an alkanolamine with the grafted olefin multiblock interpolymer, without the isolation of the grafted olefin multiblock interpolymer.

The present invention belongs to gas producing technology. The absorbing liquid for eliminating sulfide from gas mixture includes main absorbent comprising steric hindrance amine and N-methyl diethanolamine; cosolvent of one or several of sulfolane, N-methyl pyrrolidine, polyglycol dialkyl ether, morpholine and its derivative; catalyst of one or several of C2-C12 alkanolamine, piperazine and its derivative, quinoline, urea and metal phthalocyanine complex. Using the absorbing liquid can eliminate H2S, COS, mercaptan, thioether and other sulfide in less steps.

An aqueous, formaldehyde-free binder composition comprising a modified copolymer of maleic anhydride and a vinyl aromatic compound such as styrene, the copolymer being modified by reaction with a primary alkanolamine, such as monoethanolamine (MEA), to produce a modified copolymer that is self-curing and cures as a consequence of cross-linking, esterification reactions between pendant carboxyls and hydroxyl groups on the solubilized (hydrolyzed) modified copolymer chains; the invention also relates to the corresponding method of using the binder composition for making fiber products, especially fiberglass insulation.

A method of making a rapid setting composition for cement boards is disclosed. Compositions including portland cement, fly ash, gypsum, alkanolamine and phosphate are disclosed. A synergistic interaction between the alkanolamine and phosphate increases the effectiveness of accelerating reactions thus allowing for quick setting and increased early-age compressive strength compositions.

The invention provides a, non- or minimized streaking / filming antimicrobial formulation, the cleaner containing:a. an akoxylated quaternary ammonium surfactant, present in a cleaning-effective amount;b. an alkoxylated short chain nonionic surfactant, also present in a cleaning-effective amount;c. alkanolamine as an alkalinity source, present in an amount effective to enhance soil removal in said cleaner;d. a quaternary ammonium compound in an amount present for antimicrobial efficacy;e. at least one water-soluble or dispersible organic solvent having a vapor pressure of at least 0.001 mm Hg at 25° C., said at least one organic solvent present in a solubilizing-or dispersion-effective amount; andf. the remainder, water.

A resist stripping agent comprising a specific alkanolamine having at least one functional group represented by the following formula (I):wherein R<1 >and R<2 >are each hydrogen atom, C1-C8 alkyl or C1-C8 alkenyl. The resist stripping agent easily and efficiently removes resist films and resist residues remaining after etching or after ashing subsequent to etching in manufacturing semiconductor devices at low temperatures in short period of time. The resist stripping agent is resistant to corrosion against materials for substrate, circuits and insulating films.

A composition useful for the oxidation dyeing of human keratinous fibers and in particular hair containing, in a cosmetically acceptable medium based on water and at a basic pH, at least one oxidation dye and an alkalinizing agent containing at least one alkali metal, alkaline-earth metal or ammonium metasilicate and at least one alkanolamine, and the dyeing method using this composition.

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 Å 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.

The invention discloses a removal technology of removing coal-fired flue gas pollutants and a device thereof. The technology is as follows: an SCR denitration method is first used for removing NOX in the flue gas; then a dust collector is used for removing dusts and ash particles in the flue gas; then a wet calcium-based desulphurization method is used for removing SO2 in the flue gas; then an MEA decarburization process is used for absorbing the SO2 in the flue gas; simultaneously, a pregnant solution of a generated alkanolamine solution is heated, analyzed and regenerated and the generated barren solution of the alkanolamine solution is continuously and cyclically used; and the analyzed CO2 gas with high concentration is produced to be liquid carbon dioxide of industrial grade with high purity after being cooled, gas-liquid separated, dried, compressed and condensed. The device consists essentially of an SCR denitration reactor, the dust collector, a wet calcium-based desulphurization reactor, an MEA decarburization absorption tower, a regeneration tower, a gas-liquid separator, a dryer, a compressor, a condenser and the like which are connected with each other by pipes. The device has simple and compact overall design, low investment and operation costs, and stable and reliable work and can conduct classified integration processing and highly efficient simultaneous removal on every pollutant in the coal-fired flue gas.

A self-leveling cementitious mixture with excellent flow properties and which hardens with a controlled rate of strength development to an ultra-high compressive strength composite composition for use in making articles such as cementitious armor panel with ballistic and blast resistant properties including: a continuous phase resulting from the curing of an aqueous mixture, in the absence of silica flour, of inorganic cement binder, inorganic mineral filler having a particle size of about 150-450 microns, pozzolanic mineral filler, polycarboxylate based self-leveling agent and water. The cementitious mixture may include alkanolamine, such as triethanolamine, and acid or acid salt, such as tartaric acid. The cementitious composition may be reinforced with reinforcing fibers, e.g. glass fibers, in an amount of about 0.5-6.0% by volume of the overall cementitious composition. The fibers are uniformly dispersed in the cementitious composition before it is cured to form a final cementitious armor panel.

A resist stripping agent comprising a specific alkanolamine having at least one functional group represented by the following formula (I): wherein R<1 >and R<2 >are each hydrogen atom, C1-C8 alkyl or C1-C8 alkenyl. The resist stripping agent easily and efficiently removes resist films and resist residues remaining after etching or after ashing subsequent to etching in manufacturing semiconductor devices at low temperatures in short period of time. The resist stripping agent is resistant to corrosion against materials for substrate, circuits and insulating films.

Provided herein are polyurethane foams which may be prepared by spray techniques. The foams of the invention are prepared using conventional isocyanates and a novel Mannich condensate polyol having a hydroxy number in the range of 250-340 and a viscosity of 3500 cps or less, and wherein the Mannich condensate polyol is derived from nonylphenol, formaldehyde, an alkanolamine, and propylene oxide as the sole alkoxylating agent. Polyurethane foams prepared according to the invention possess superior physical properties over sprayed polyurethane foams prepared using Mannich condensate polyols which are made using mixtures of propylene oxide and ethylene oxide.

Compact liquid or gel-form laundry detergent compositions processes for manufacturing such compositions, wherein the compositions comprise at least a stabilization system against phase splitting having an alkanolamine and a coupling polymer component and preferably a stabilization system against phase splitting having an alkanolamine, a coupling polymer and a crystalline structurant component.

The invention involves a bio-polyol prepared from epoxy rapeseed oil. The preparation method comprises: carrying out ring-opening reaction of epoxy rapeseed oil with an active hydrogen-bearing nucleophilic reagent at the presence of catalyst to obtain the mixed hydroxyl fatty acid triglyceride, and adding alcoholysis agent of alcohols or alkanolamine and heating for alcoholysis reaction to obtain mixed hydroxyl fatty acid monoester, i.e. biological-based polyol. The invention has the advantages of epoxy rapeseed oil being cheap and easy to get or self-design, reduction of dependence on petrochemical products, strong functions and high adjustability, and production of different functionality and pre-designed hydroxyl values of the bio-polyol according to requirements.

An aqueous binder composition, useful for making fiber products, especially fiberglass insulation, comprising an aqueous substantially alkaline (pH of at least 5.0) solution of a polyol and a hydrolyzed (solubilized) copolymer of maleic anhydride and a vinyl aromatic compound, preferably styrene (i.e., a SMA copolymer); the copolymer is solubilized using ammonia, a secondary alkanolamine (preferably diethanolamine (DEA)), a tertiary alkanolamine (preferably triethanolamine (TEA)), or a mixture thereof and the binder composition is cured as a consequence of cross-linking, esterification reactions between pendant carboxyls on the solubilized (hydrolyzed) copolymer (SMA) chains and hydroxyl groups of the polyol, including the diethanolamine and / or triethanolamine preferably used in the solubilization of the SMA.

A process for increasing the selectivity of an alkanolamine absorption process for selectively removing hydrogen sulfide (H2S) from a gas mixture which also contains carbon dioxide (CO2) and possibly other acidic gases such as COS, HCN, CS2 and sulfur derivatives of C1 to C4 hydrocarbons, comprises contacting the gas mixture with a liquid absorbent which is a severely sterically hindered capped alkanolamine or more basic sterically hindered secondary and tertiary amine. The improvement in selectivity is achieved at the high(er) pressures, typically least about 10 bara at conditions nearing the H2S / CO2 equilibrium at which CO2 begins to displace absorbed hydrosulfide species from the absorbent solution.

A solution for cleaning silicon semiconductors or silicon oxides, and methods for cleaning silicon semiconductors or silicon oxides using the solution, is disclosed. The solution includes hydrogen peroxide, ammonium hydroxide, an alkanolamine, and at least one of a tetraalkylammonium hydroxide, an alkanolamide, an amido-betaine, an α,α-dihydroxyphenol, a carboxylic acid, a phosphonic acid, a chelating agent or a surfactant. The weight ratio of ammonium hydroxide to peroxide to water is between about 1:1:5 and 1:1-4:50, the weight ratio of ammonium hydroxide to water is between 1:5 and 1:50, and the molar ratio of component A to ammonium hydroxide is between 1:10 and 1:5000 is disclosed. The solution can achieve the efficiency equivalent to that of the conventional RCA two-step cleaning solution within a shorter time by one step preserving the silicon and silicon oxide substrate integrity and effectively remove contaminants such as organics, particles and metals from the surfaces of silicon semiconductors and silicon oxides without using strong acids such as HCl and sulfuric acid.