31 results about "Ethyleneimines" patented technology

The present invention is directed to the use of a combination of a polymeric chelant and coagulant to treat metal containing wastewater. More particularly, the invention is directed at removing copper from CMP wastewater. The composition includes a combination of (a) a polymeric chelant derived from a polyamine selected from the group consisting of diethylenetriamine (DETA), triethylenetetraamine (TETA), tertraethylenepentaamine (TEPA), poly[vinylamine], and branched or linear poly[ethylenimine] (PEI); and (b) a water soluble or dispersible copolymer of a tannin and a cationic monomer selected from the group consisting of methyl chloride or dimethyl sulfate quaternary salt of dimethyl aminoethyl acrylate, diethylaminoethyl acrylate, dimethylaminoethyl methacrylate, diethylaminoethyl methacrylate, dimethylaminopropyl methacrylamide, dimethylaminopropyl acrylamide, and diallyl dimethyl ammonium chloride.

A laundry care composition including (i) from 2 to 70 wt % of a surfactant; and (ii) from 0.0001 to 20.0 wt % of a leuco polymer including an alkoxylated polyethyleneimine covalently bound to a leuco moiety. At least a first portion of nitrogen atoms of the alkoxylated polyethyleneimine have covalently bound thereto a leuco moiety. At least a second portion of nitrogen atoms of the alkoxylated polyethyleneimine have covalently bound thereto a moiety selected from the group consisting of oxyalkylene moieties, polyoxyalkylene moieties, and mixtures thereof; and at least a third portion of nitrogen atoms of the alkoxylated polyethyleneimine have covalently bound thereto a moiety selected from the group consisting of an alkylene chain, an alkylene chain having covalently bound thereto a phenyl or naphthyl group, and mixtures thereof. Methods of making the leuco polymer and methods of treating textiles with such laundry care compositions.

An environmentally friendly water-based paint capable of removing formaldehyde through reacting comprises 1 to 10 weight parts of ethylideneimine ketone, 30 to 45 weight parts of polymer emulsion, 0.5 to 2.0 weight parts of a film forming additive, 0.1 to 0.5 weight parts of an antifoaming agent, 20 to 40 weight parts of filling materials, 15 to 30 weight parts of distilled water and 2 to 5 parts of other additives. The preparation method of the environmentally friendly water-based paint comprises successively adding a wetting agent, a dispersant, parts of the antifoaming agent and the filling materials into the distilled water and then grinding to disperse to get slurry ; preparing a 30 % ethylideneimine ketone solution which is then added into the polymer emulsion; and successively adding the slurry, the film forming additive, the remaining antifoaming agent, a mildew preventor, an antifreeze, a levelling agent and a thickening agent into the polymer emulsion, adjusting a PH value to 8.0 to 9.5, and finally carrying out constant volume operation with the distilled water. The paint can effectively inhibit release of the formaldehyde in water-based paints, and has advantages of low production cost, simple process and suitability for popularizing.

The invention provides a sewage purification disinfectant and a preparation method thereof. The sewage purification disinfectant comprises the following raw materials in parts by weight: 25-40 parts of aluminum sulfate, 20-30 parts of kieselguhr, 5-10 parts of tannin, 2-4 parts of polyethyleneimine, 1-3 parts of dodecyl dimethyl benzyl ammonium chloride, 3-8 parts of sodium silicate and 40-60 parts of water. The sewage purification disinfectant is not only capable of purifying sewage, but also capable of disinfecting sewage to a certain extent, and is particularly applicable to dirt deposition prevention and sterilization of circulation cooling water in large-size chemical equipment or other water systems.

To provide a primer composition for assisting an acrylic adhesive which exhibits a temporarily fixing effect very quickly and which is completely cured quickly at room temperature, while maintaining excellent characteristics of the acrylic adhesive.

A primer composition, which comprises a component (A): a basic compound having a primary, secondary or tertiary amine structure, a component (B): a liquid oligomer, and a component (C): a solvent. Preferably, the component (A) is a compound having a main chain of which the skeleton is ethyleneimine, or ethyleneimine having a molecular weight of from 50 to 70,000. Further, a bonding method, which comprises applying the above primer composition on a surface of an object to be bonded by dot coating, and bonding the object to another object to be bonded by means of the acrylic adhesive.

The present invention is directed to provide a catalyst for reduction, which is capable of reducing even mono-substituted alkynes to alkenes and does not require the coexistence (combined use) of a toxic compound, and a method for reduction from alkynes to alkenes using the catalyst; and relates to a palladium-supported polyethyleneimine compound obtained by contacting a polyethyleneimine, a palladium compound and hydrogen gas in an oxygen-free state, a method for producing the above palladium-supported polethyleneimine compound, a catalyst for reduction comprising the above palladium-supported polyethyleneimine compound, and a method for reducing from alkynes to alkenes characterized by contacting an alkyne and hydrogen in the presence of a palladium-supported polyethyleneimine compound, which is obtained by reacting a polyethyleneimine, a palladium compound and hydrogen gas in an oxygen-tree state.

The invention provides a coating agent for recording layer protection, characterized by comprising a carboxy-modified polyvinyl alcohol (A), a polyamide-polyamine epihalohydrin (B), and polyethyleneimine (C). Preferably, it is characterized in that the carboxy-modified polyvinyl alcohol (A) has a degree of saponification of 90 to 99.5 mol%. The coating agent for recording layer protection is highly effective in imparting water resistance to a recording medium. Also provided is a recording medium having high water resistance, characterized by being obtained by applying the coating agent for recording layer protection to a recording layer.

Provided is a conductive paste which exhibits good adhesion by merely being applied over an ITO film directly without the formation of a base layer and being cured thereon and is capable of forming a conductive film that has high conductivity. This conductive paste contains (A) copper particles having an average particle diameter from 10 nm to 20 [mu]m, (B) a carboxylic acid salt of a polymer compound that has at least one primary amino group in each molecule (provided that the carboxylic acid has 10 or less carbon atoms including the carbon atoms of the carbonyl group) and (C) a resin that has an acidic functional group that is reactive with the primary amino group. Specifically, the polymer compound that has primary amino group(s) is preferably a polyethylene imine or a polyallyl amine. In addition, the carboxylic acid salt thereof is preferably a formic acid salt.

The invention discloses a disinfectant capable of clearing away methanal. The disinfectant is formed by the following raw materials in parts by weight: 15-20 parts of aluminum sulfate, 3-5 parts of Polyethyleneimine, 4-7 parts of sodium silicate, 6-8 parts of fructus forsythiae, 4-9 parts of garden burnet, 26-36 parts of activated carbon, 7-9 parts of kieselguhr, 12-18 parts of nanometer zirconia, 4-6 parts of sodium alkyl benzene sulfonate, 3-7 parts of methanoic acid, 7-9 parts of sodium chloride, 6-12 parts of sodium carbonate and 7-9 parts of sodium tripolyphosphate. The disinfectant capable of clearing away methanal has the advantages that the physical effect of the activated carbon is used for deodorizing, thus having no influence on human bodies, the methanal and bacteria can be quickly removed, and the safety is good.

The invention provides an anti-aging filament used for woven bags. The anti-aging filament used for woven bags comprises, by mass, 75 to 105 parts of low density polyethylene resin, 15 to 21 parts ofpolyester imide resin, 5 to 7 parts of an inorganic filling material, 3 to 5 parts of polyethyleneimine, 3 to 5 parts of a repairing ingredient, and 2 to 4 parts of an auxiliary agent; the repairing ingredient comprises mineral oil, a repairing activator, and nanocarbon; the auxiliary agent comprises an ultraviolet ray absorber, a lubricant, a coupling agent, a stabilizing agent, a cross-linking agent, and an anti-oxidant. The composition and the ratio of the anti-aging filament are unique; a preparation method is simple and rapid; excellent aging resistance is ensured, and excellent repairingfunction is achieved at the same time; obvious effect in maintaining mechanical properties of woven bags and aging resistance is achieved; the raw materials are cheap and easily available; and the anti-aging filament is suitable for popularization in small and medium-sized enterprises.

A water-soluble block copolymer having a mass average molecular weight of 2500 to 800000 and comprising, within a molecule, a poly(ethylene imine) block unit and a poly(N-propionylethylene imine) block unit is a novel linear or star-shaped water-soluble block copolymer.

The invention discloses a nano-mud material moisturizing coating, which is prepared by the following steps: mixing ethyleneimine ketone and vinyl acetate-butyl acrylate copolymer emulsion to obtain anemulsion mixture, adding acrylic acid and methyl methacrylate into the emulsion mixture, and performing high-speed stirring and mixing to obtain a moisturizing coating; neutralizing the moisturizingcoating, adding an auxiliary agent, and carrying out high-speed mixing to obtain a composite moisturizing coating, wherein the pH value of the obtained mixture is 7.5-10; grinding silica, cinnabar, tourmaline, negative ion powder, aluminum oxide, ferric oxide and calcium oxide at a high speed through a ball mill to obtain composite powder, and mixing the obtained composite powder with distilled water to obtain composite slurry; and calcining the composite slurry in a calcining furnace at the temperature of 950-1100 DEG C. The nano-mud material moisturizing coating has good hardness while the moisturizing sealing performance is guaranteed in the nano-mud material moisturizing coating, the use texture of the nano-mud material moisturizing coating can be further improved, and the nano-mud material moisturizing coating can be used in multiple directions of industry, buildings and the like.

The present invention provides a composition and method for controlling air voids in aqueous systems such as paints, coatings, sealants, adhesives, mastics, cements, mortar, masonry, or concrete, which comprises the reaction product of an oxidizing agent and a compound comprising at least one polyalkoxylated polyalkylene polyamine, at least one polyalkyoxylated polyethyleneimine, or a mixture thereof.