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.

The invention discloses crosslinking polyvinyl chloride foam and a preparation method thereof, and belongs to the technical field of foamed materials. The problem of long time consumption of preparation of a crosslinking polyvinyl chloride foamed material in the prior art is solved, so that the quality and heat-resistant performance of the foamed material can be improved. The crosslinking polyvinyl chloride foam comprises the components in parts by weight: 100 parts of PVC resins, 30-150 parts of isocyanate, 1-15 parts of foaming agents, 0-80 parts of anhydride, 0-20 parts of epoxy compounds and 0.02-4 parts of catalysts, wherein the catalyst is one or more of N',N'',N'''-tri(dimethyl aminopropyl) symmetrical hexahydro-triazine, N-(alpha-ethoxyl) dimethylenimine, indole, sodium caprylate, isocaprylic acid, potassium oleate and potassium stearate. The foamed material is high in quality and heat-resistant performance, and high in production efficiency.

A method of surface modifying a polyimide film, a method of manufacturing a flexible copper clad laminate using the same, and a flexible copper clad laminate (FCCL) having a two-layer structure manufactured thereby. The method of surface modifying a polyimide film is conducted by modifying the surface of a polyimide film through a first plasma treatment, dipping the polyimide film into a solution containing an ethyleneimine-based silane coupling agent prepared by mixing the compound of Formula 1 and the compound of Formula 2 at a molar ratio of with 0.25˜1, and then modifying the surface of the polyimide film through a second plasma treatment. The method of surface modifying a polyimide film is advantageous because it may be substituted for a conventional surface treatment processes using ion beams. Also, the FCCL having a two-layer structure, formed by conducting copper sputtering and electroplating on the surface modified polyimide film, has good adhesive strength between the polyimide film and the copper foil and can maintain such adhesive strength even at high temperatures for a long period of time. Further, it may be usefully applied to electronic parts, such as flexible printed circuit boards, TCP (Tape Carrier Package), COF (Chip On Film), etc.

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.

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.

It is an object of the present invention to provide an electroless plating pretreatment agent that can retain stably Pd(II) over a long period of time in an organic solvent, an electroless plating method using the same that is capable of forming an electroless plated film having excellent adhesion, and an electroless plated object. The object is achieved by an electroless plating pretreatment agent comprising an organic palladium compound and a coordination compound having a functional group with a metal-capturing capability dissolved in an organic solvent, the coordination compound being selected from the group consisting of the imidazole analogs, polyethyleneamines, ethyleneimines and polyethyleneimines.

A composite material includes at least one layer of fibrous material; and at least one biodegradable polymer layer composed of at least one biodegradable polymer, at least one biodegradable copolymer or both at least one biodegradable polymer and at least one biodegradable copolymer. The biodegradable polymer and biodegradable copolymer are each composed of a polymer block selected from the group consisting of poly(alkylene glycol), poly(alkylene oxide), poly(ethylene imine), polyalkylene, polyvinyl, polyvinylether, poly(vinylacetate), polyvinylpyrrolidine, polyester, polylactide, polyglycolide, polycaprolactone, poly(hydroxyalkanoate), poly(meth)acrylates, poly(acrylic acid) and salts thereof, polyether, polyurethane, poly(methacrylic acid) and salts thereof, polyacrylamide, polyepoxide, polyol, polysaccharide, and latex.

The invention relates to a multiple sewage processing material, which comprises the following raw materials by weight: 3-10 parts of polyvinyl ester, 5-7 parts of heavy liquid paraffin, 3-5 parts of attapulgite, 3.2-6 parts of maleic anhydride grafted polypropylene, 4-9 parts of sodium sulfate, 2.5 parts of 8 parts of active carbon, 1-5 parts of sodium benzenesulfonate, 4-8 parts of cobalt oxide, 12-18 parts of alumina, 1.5-7 parts of sodium dodecanesulphonate, 6-11 parts of montmorillonite, 6-14 parts of carboxymethyl methyl cellulose, 1-5 parts of ferric hydroxide, 1.2-3 parts of anatase titanium dioxide, 6-13 parts of polyethyleneimine and 6-10 parts of aluminum sulfate. The multiple sewage processing material has good processing effect, can better absorb particles, and can reduce the metal ion in sewage with little usage amount.

A method of surface modifying a polyimide film, a method of manufacturing a flexible copper clad laminate using the same, and a flexible copper clad laminate (FCCL) having a two-layer structure manufactured thereby. The method of surface modifying a polyimide film is conducted by modifying the surface of a polyimide film through a first plasma treatment, dipping the polyimide film into a solution containing an ethyleneimine-based silane coupling agent prepared by mixing the compound of Formula 1 and the compound of Formula 2 at a molar ratio of with 0.25˜1, and then modifying the surface of the polyimide film through a second plasma treatment. The method of surface modifying a polyimide film is advantageous because it may be substituted for a conventional surface treatment processes using ion beams. Also, the FCCL having a two-layer structure, formed by conducting copper sputtering and electroplating on the surface modified polyimide film, has good adhesive strength between the polyimide film and the copper foil and can maintain such adhesive strength even at high temperatures for a long period of time. Further, it may be usefully applied to electronic parts, such as flexible printed circuit boards, TCP (Tape Carrier Package), COF (Chip On Film), etc.

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.

Disclosed is an organic-inorganic composite nanofiber composed of a crystalline polymer filament made of a polymer having a linear polyethyleneimine skeleton and a silica covering the crystalline polymer filament. Also disclosed are a structure composed of such an organic-inorganic composite nanofiber, and a method for producing the same.

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.

The present invention provided a fiber-treating liquid, modified fiber cloth, and process for producing the same. A modified fiber fabric obtainable by polymerizing a component (X) which is a water-soluble eggshell membrane powder, a component (A) which is a bifunctional monomer represented by the following formula (1), a component (B) which is a monomer containing any one of a hydroxyl group, carboxyl group, amino group, sulfonic acid group, and phosphoric acid group, and a component (C) which is a monomer containing at least one aziridine group, or a water-soluble polymer containing a polycarbodiimide group, polyethyleneimine group, or oxazoline group, on a fiber fabric, wherein R represents any one of and -C n H 2n - (n is an integer of 1 to 6) ; Z is a hydrogen atom or a methyl group;a and b are integers where 'a+b' is 0 to 50; x and y are integers where 'x+y' is 0 to 30; and 'a+b+x+y' is 10 or more.

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.

A method of washing fabrics on which cationic fabric softening actives have been deposited and dried, said method comprising the step of contacting said fabrics with an aqueous wash liquor having the following composition: a) 15 to 600 ppm non-soap surfactant , b) at least 50 ppm ethoxylated polyethyleneimine, c) at least 25 ppm polyester soil releasing polymer, the total level of polymer (b+c) being at least 20 wt. of the level of non-soap surfactant (a) %, d) 0.1 to 100 ppm of an enzyme selected from protease, amylase, cellulase, e) optional lipase.

Protein binding onto a polymeric surface is enhanced by treating the surface with an amine-bearing polymer like poly(ethylene imine). When used in ELISA, the treated surface improves the performance of the assay.

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 present invention provides organic-inorganic composite particles containing metal complexes, which have multiple needle-like structures on the surface and contain metal complexes; and a simple manufacturing method of the particles. This can be achieved by inducing a metal complex composed of a polymer having a linear polyethyleneimine skeleton and a metal ion to induce composite particles with a fine needle-like surface containing the metal complex inside the silica. Needle-shaped surface particles with multiple nanoscale needle-like structures on the surface of the particles. The needle-like structure of the resulting needle-shaped surface particles and the spatial structure of the particles can be controlled by changing the metal ion species and the metal complex support medium.

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 µm, (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 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.

The invention discloses crosslinking polyvinyl chloride foam and a preparation method thereof, and belongs to the technical field of foamed materials. The problem of long time consumption of preparation of a crosslinking polyvinyl chloride foamed material in the prior art is solved, so that the quality and heat-resistant performance of the foamed material can be improved. The crosslinking polyvinyl chloride foam comprises the components in parts by weight: 100 parts of PVC resins, 30-150 parts of isocyanate, 1-15 parts of foaming agents, 0-80 parts of anhydride, 0-20 parts of epoxy compounds and 0.02-4 parts of catalysts, wherein the catalyst is one or more of N',N'',N'''-tri(dimethyl aminopropyl) symmetrical hexahydro-triazine, N-(alpha-ethoxyl) dimethylenimine, indole, sodium caprylate, isocaprylic acid, potassium oleate and potassium stearate. The foamed material is high in quality and heat-resistant performance, and high in production efficiency.

Cleaning and soil dispersing compositions comprising ethoxylated / propoxylated polyalkyleneamine polymers are provided. Thus, detergent compositions which comprise ethoxylated / propoxylated polyalkyleneamine polymers, such as poly(ethyleneimine) with a degree of ethoxylation of 1.0, provide soil dispersing performance in the wash liquor and whitening and / or cleaning benefits to fabrics, hard-surfaces, or dishware.

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.