603 results about "Polyamine Compound" patented technology

A solid golf ball with a polyurethane cover having satisfactory formability and ball properties. The solid golf ball has a solid core, and a polyurethane cover for covering the solid core, wherein the difference in Shore D hardness between a center portion and a surface portion of the solid core is at least 15; the polyurethane cover has a thickness (t) of not more than 1.0 mm, and is formed from a cured urethane composition having Shore D hardness (D) of from 35 to 60; a product of the thickness(t) and the Shore D Hardness (D) of the cured urethane composition is ranging from 10 to 45(10≦D×t≦45); and the urethane composition contains an isocyanate group-terminated urethane prepolymer having the residual polyisocyanate monomer content of not more than 0.1 mass %, and an aromatic polyamine compound.

The present invention is drawn to a carrier composition containing: (a) at least one polyamine compound comprising at least two amino groups; (b) at least one nonionic surfactant; (c) at least one anionic silicone; and (d) at least one water-insoluble material, and wherein the composition, when combined with an aqueous phase, forms an aqueous delivery system which is both stable, and clear to slightly hazy/limpid in appearance.

The present invention provides curing agent compositions comprising benzylated polyalkylene polyamine compounds. Amine-epoxy compositions and articles produced from these amine-epoxy compositions are also disclosed.

The invention provides a formaldehyde catching agent. An efficient macromolecular type formaldehyde catching agent is synthesized by performing addition polycondensation reaction on a methyl acrylate monomer and a polyamine compound to generate an amino-group-enriched hyperbranched polymer and adding corresponding auxiliaries. According to the catching agent, formaldehyde is caught by using an amino group of the hyperbranched polymer and film forming fixing is implemented by using a carbon framework of an acrylate type substance; modification is realized by the corresponding various auxiliaries, so that the physical performance and the formaldehyde elimination effect are improved. The formaldehyde catching agent has the characteristics of no toxicity, no volatility and no irritating odor, and secondary harm to a human body is avoided; the formaldehyde catching agent can be limitlessly dissolved in water, is mild in property, free from corrosion, easy to add and spray, high in film forming property and durable.

This invention provides novel compositions comprising substituted polyamines as acid gas scrubbing solutions and methods of using the compositions in an industrial system. The invention relates to the use of such polyamine compounds in industrial processes to remove acidic contaminants from natural and industrial fluid streams, such as natural gas, combustion gas, natural gas, synthesis gas, biogas, and other industrial fluid streams. The compositions and methods of the invention are useful for removal, absorption, or sequestration of acidic contaminants and sulfide contaminants including CO₂, H₂S, RSH, CS₂, COS, and SO₂.

The invention relates to water-based polyurethane adhesive with high adhesive property and a preparation method thereof, and belongs to the field of polyurethane adhesive. The preparation method comprises the following steps: (1) drying a polylol polymer for 1 to 3 hours in vacuum at a temperature of between 100 and 120 DEG C, reducing the temperature to between 80 and 90 DEG C, dripping diisocyanate into the polylol polymer, polymerizing the mixture for 1 to 1.5 hours, adding small molecular polylol and hydrophilic polylol into the mixture to carry out chain extension and polymerization reaction for 1 to 1.5 hours, then adding the diisocyanate into the mixture, and making the mixture subjected to end capping reaction for 0.5 to 1 hour; (2) dripping neutralizing agent into cross linking polyurethane pre-polymer, and adding acetone into the pre-polymer at the same time to reduce viscosity, wherein the neutralization degree is 95 to 100 percent after the mixture is reacted for 0.5 to 1 hour at a temperature of between 35 and 45 DEG C; (3) dripping the obtained hydrophilic cross linking polyurethane pre-polymer into a mixture of a polyamine compound and water, and dispersing the mixture evenly under high-speed shearing function of an emulsifying machine to obtain water-based polyurethane dispersant; and (4) removing organic solvent in the water-based polyurethane dispersant obtained in step (3) by a vacuum decompressing method. The preparation method effectively solves the problem of difficult emulsifying dispersion caused by cross linking, has simple emulsifying process, and reduces equipment requirement remarkably, has high solid content, reduces cost for production, storage and transportation, improves drying time, and is convenient for gluing operating process.

The present invention is drawn to an aqueous composition containing: (a) at least one polyamine compound comprising at least three amino groups; (b) at least one nonionic surfactant; (c) at least one compound chosen from an alkyl ether carboxylic acid, an alkyl ether carboxylate, a fatty acid having from about 6 to about 40 carbon atoms, and mixtures thereof; and (d) at least one water-insoluble material, and wherein the composition is both homogeneous and clear to substantially clear in appearance.

Compounds of Formula I:wherein A is C2-C6 alkene, C3-C6 cycloalkyl, cycloalkenyl, or cycloaryl; B is independently a single bond, C1-C6 alkyl alkenyl; D is independently C1-C6 alkyl or alkenyl, or C3-C6 cycloalkyl, cycloalkenyl, or cycloaryl; and E is independently H, C3-C6 alkyl or alkenyl; and pharmaceutically-suitable salts thereof; a synthetic method therefor, pharmaceutical dosage forms containing one of more of these compounds, and use of these compounds in the treatment of neoplastic cell growth, are disclosed.

A polishing pad capable of improving an affinity to polishing liquid and stabilizing polishing performance is provided. A polishing pad 10 is equipped with a urethane sheet 2. The urethane sheet 2 has a polishing surface P for polishing an object to be polished. The urethane sheet 2 is formed by a dry molding method and is formed by slicing a polyurethane foamed body which is obtained by reacting and curing mixed liquid in which an isocyanate-group containing compound, water, a foam control agent and a polyamine compound are mixed. Foams 3 are dispersed approximately uniformly inside the urethane sheet 2. Opened pores 4 which are opened parts of the foams 3 are formed at the polishing surface P. Inside the urethane sheet 2, the foams 3 formed adjacently to each other are communicated by communication holes 9, and the communication holes 9 are formed at a ratio of 800 holes/cm² or more when observed from a side of the polishing surface P. Polishing liquid moves via the communication holes 9 and the foams 3.

The invention provides a thermoplastic elastomer which has the advantages of high cyclicity and oil resistance as well as excellent mechanical strength, and in particular, excellent permanent deformability through compression, as well as a thermoplastic elastomer composite including the thermoplastic elastomer. The thermoplastic elastomer is made of an elastomeric polymer having epoxide, hydroxy group, and a nitrogen-containing heterocycle, wherein, the nitrogen-containing heterocycle is bonded to backbone of the elastomeric polymer through nitrogen atom or oxygen atom. The thermoplastic elastomer (the third proposal) is an elastomeric polymer having epoxide and hydroxy group, and is obtained by reacting a compound (C) having epoxide with polyamine compound (D) having more than two primaquine groups, branched carbon and/or branched nitrogen.

A pressure-sensitive adhesive type optical film which comprises an optical film and a pressure-sensitive adhesive layer superposed on at least one side thereof through an anchor layer formed from a polyamine compound. It is easy to handle because the pressure-sensitive adhesive does not peel off even when an edge of the film comes into contract during handling in use. The pressure-sensitive adhesive type optical film can be inhibited from being electrostatically charged upon peeling.

A surface treatment with a zirconium ion that enables sufficient throwing power, and superior anti-corrosion properties to be exhibited when thus surface treated metal base material is subjected to cation electrodeposition coating is provided. A metal surface treatment liquid for cation electrodeposition coating includes zirconium ions and tin ions, and has a pH of 1.5 to 6.5, in which: the concentration of zirconium ions is in the range of 10 to 10,000 ppm; and the content of the tin ions to the zirconium ions is 0.005 to 1 on a mass basis. Furthermore, a polyamine compound, copper ions, fluorine ions, and a chelate compound may also be included.

A method of preparing a cellulose-based difunctional adsorbent is disclosed. The method includes (1) a step of preliminary treatment, namely a step of removing impurities of a cellulose-based raw material, then boiling the raw material in a sodium hydroxide solution, washing the raw material with water, drying the raw material and cutting the raw material into pieces; (2) a step of pretreatment, namely a step of subjecting the raw material to ultrasonic wave-alkali solution-ultrasonic wave combined treatment, and (3) a step of chemical modification, namely a step of subjecting the raw material to selective oxidation treatment, then adding the oxidized cellulose into a reaction medium, adding an anhydride into the reaction medium, stirring, refluxing and reacting the mixture, performing filtration after the reaction is finished, washing a product, drying the product, reacting the product with a polyamine compound, performing filtration, washing an obtained product with water until neutrality, and freeze-drying the product to obtain the cellulose-based difunctional adsorbent. The adsorbent prepared by the method is high in safety stability, has good adsorption functions for anion pollutants and cation pollutants, and can be used for cleaning treatment of heavy metal ion waste water and dye waste water. The source of the cellulose-based raw material used for preparing the adsorbent is wide, and the cost is low. Operation is convenient when the adsorbent is used for waste water treatment.

The invention discloses a low-pressure high-flux chlorine-containing polymer nanofiltration membrane with a stable separation layer and a preparation method thereof. The nanofiltration membrane comprises a macroporous support layer and a dense function layer, wherein the macroporous support layer and the dense function layer are connected with each other by virtue of a C-N bond; the dense function layer is made of a positive, charged or amphoteric ionic cross-linking polyamine compound; the macroporous support layer is made of a chlorine-containing polymer. The preparation method of the filtration membrane comprises the following steps: firstly coating the surface of a chlorine-containing polymer ultrafiltration membrane with the polyamine compound, carrying out heat treatment, washing the ultrafiltration membrane, then dipping the ultrafiltration membrane in a mixed solution of a cross-linking agent and a charge reagent and carrying out heat treatment again. The membrane flux of the prepared polymer nanofiltration membrane can reach 60L/m<2>.h under the pressure of 0.3MPa; the retention rate on micromolecule dye and high-valence inorganic salt can reach 90%; the chlorine-containing polymer nanofiltration membrane can be in a flat fiber ultrafiltration membrane form or a hollow fiber ultrafiltration membrane form, and has good practical prospect.

The invention discloses a polyamide composite membrane and a production method thereof, which comprises a supporting layer and a polyamide layer, wherein the polyamide layer is prepared by reacting a polyamine compound, a monoamine compound and a polybasic acyl chloride compound. Compared with the prior art, the composite membrane provided in the invention obviously has high reject rate and higher water flux, so that the investment is saved, the energy consumption is reduced, the treating efficiency is increased, and wider application of the polyamide composite membrane can be developed.

The invention relates to a method for preparing heavy metal chelating resin, in particular to a method for preparing silica gel supported dithiocarbamate heavy metal chelating resin and adsorption of heavy metals such as lead, cadmium, copper, mercury and the like by the resin. The method comprises the following steps of: reacting carbon disulfide with a polyamine compound to generate a dithiocarbamate compound; and grafting the dithiocarbamate compound onto the surface of silicon dioxide, wherein a halogen group is modified on the surface of the silicon dioxide. By the method, the adsorption capacity of dithiocarbamate chelating resin is effectively improved; and the problem that silica gel is dissolved due to too high alkalinity of a reaction system (pH value is more than 11), or the dithiocarbamate compound cannot be generated through reaction due to too low alkalinity (the pH value is less than 10) when a dithiocarbamate functional group is prepared by reacting the silica gel with the carbon disulfide in the conventional synthetic route is solved, wherein an amino group is modified on the surface of the silica gel.

The invention discloses an application of a cationized polysaccharide, particularly an application of a cationized polysaccharide in preparation of antibacterial biomembrane agents, antibacterial coating/spraying agents for biological medical devices, and antibacterial functional materials. The cationized polysaccharide is a polysaccharide having positive charges and is prepared by reacting a natural polysaccharide with a quaternary ammonium salt or a polyamine compound. The cationized polysaccharide can interact with negative-charge polysaccharides in bacteria and biomembrane extracellular matrixes, has excellent sterilization effects, and can be applied well in chronic inflammation diseases, devices for external use or device surface antibiosis, and antibacterial biological materials such as daily chemical products, package products and household paper containing cationized polysaccharides.

There is provided a surfactant composition, a stable, self emulsifiable water borne curing agent composition, and methods for the manufacture of each, and two component water borne curable epoxy resin compositions. The surfactant composition comprises the reaction product of an a) a phenolic acid substituted with at least one carboxyl group and at least one hydrocarbyl group having at least 1 carbon atom; b) a polyepoxide compound; c) a polyamine compound having at least two primary amine groups; d) a reactive surfactant; and optionally e) a monoglycidyl, monocarboxylic acid, or monoisocyanate capping agent; wherein the reactive surfactant comprises an epoxide, a carboxylic acid or anhydrides thereof, or an isocyanate functional moeity, and a hydrophilic moiety comprising a polyoxyalkylene monool or polyol residue. The reactive surfactant comprises a compound represented by one of the following formulas:

A process for inhibiting dyed hair fibers from losing their color during shampooing involving contacting the dyed hair fibers with a composition containing: (a) at least one polyamine compound having at least two amino groups; (b) at least one anionic silicone; and (c) optionally, at least one surfactant, and wherein (a) is present in the composition in an amount sufficient to inhibit the dyed hair fibers from losing their color during shampooing.