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612 results about "Polyamine Compound" patented technology

A class or organic compounds composed of carbon, hydrogen, and nitrogen containing two or more amino groups with some compounds acting as essential growth factors for microorganisms.

Solid golf ball

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.
Owner:SUMITOMO RUBBER IND LTD

Aqueous polyamine-containing carrier systems for water-insoluble materials

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.
Owner:LOREAL SA

Cycloalkyl substituted polyamines for cancer therapy and methods of synthesis therefor

Conformationally restricted polyamine compounds useful in treatment of cancer and other diseases marked by abnormal cell proliferation are disclosed. Improved methods of synthesizing such compounds are also disclosed. In one method of the invention, a carbene-bearing or carbene equivalent-bearing compound is reacted with the double bond of an alkene compound to form a cyclopropyl ring as the first step in the synthesis.
Owner:CELLGATE

Oil-based ink-jet recording ink

InactiveUS6730153B2Maintain good propertiesSatisfactory pigment dispersibilityDuplicating/marking methodsInksParaffin waxVegetable oil
An ink-jet recording oil-based ink which has satisfactory pigment dispersibility both at the beginning of storage and even during long-term storage and provides excellent spouting stability without being influenced by temperature changes in printing circumstances. The ink comprises a pigment; a dispersing agent comprising a reaction product of a polyamine compound and a self condensation product of 12-hydroxystearic acid; a saturated hydrocarbon solvent comprising a liquid paraffin as a main component; and a vegetable oil, the ink having a surface tension of 26 to 30 dyne / cm at 25° C. and a contact angle on a polytetrafluoroethylene plate of 40° to 50° at 25° C., and satisfying the following relationship:wherein WHC is the weight of the saturated hydrocarbon solvent and WVC is the weight of the vegetable oil.
Owner:SAKATA INX

Imide-linked maleimide and polymaleimide compounds

ActiveUS7208566B2Improve toughnessNot sacrificing thermal stabilityOrganic chemistryAdhesivesPolyamine CompoundImide
The invention is based on the discovery that a remarkable improvement in the performance of maleimide thermosets can be achieved through the incorporation of imide-extended mono-, bis-, or polymaleimide compounds. These imide-extended maleimide compounds are readily prepared by the condensation of appropriate anhydrides with appropriate diamines to give amine terminated compounds. These compounds are then condensed with excess maleic anhydride to yield imide-extended maleimide compounds.
Owner:DESIGNER MOLECULES

Cycloalkyl substituted polyamines for cancer therapy and methods of synthesis therefor

Conformationally restricted polyamine compounds useful in treatment of cancer and other diseases marked by abnormal cell proliferation are disclosed. Improved methods of synthesizing such compounds are also disclosed. In one method of the invention, a carbene-bearing or carbene equivalent-bearing compound is reacted with the double bond of an alkene compound to form a cyclopropyl ring as the first step in the synthesis.
Owner:CELLGATE

Water dispersible epoxy resins

A amidoamine composition containing oligomeric amidoamine compounds having the structure: the average of x based on the amidoamine composition is at least 0.2, and Z is the residue of a polyoxyalkylene polyether polycarboxylic acid compound, and the amidoamine composition is the reaction product of primary polyamine compounds with polyoxyalkylene polyether polycarboxylic acid compounds at a corresponding equivalent weight ratio of at least 4.0:1 under oligomeric reaction conditions effective to increase the amine nitrogen equivalent weight of the amidoamine composition by at least 10% over the average acid equivalent weight of said polyoxyalkylene polyether polyacid composition. There is also provided glycidated amidoamine compositions used as epoxy functional surfactants, and the aqueous epoxy resin dispersions thereof, and the curable epoxy resin compositions thereof.
Owner:WESTLAKE EPOXY INC

Formaldehyde catching agent and preparation method thereof

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.
Owner:BEIJING CENT FOR PHYSICAL & CHEM ANALYSIS

Composition for treating acid gas

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.
Owner:CHAMPIONX LLC

High-adhesive property watersoluble polyurethane adhesion agent and method of producing the same

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.
Owner:GUANGZHOU KELIN WAER BORNE MATERIAL

Aqueous resin composition having gas barrier properties and laminated film using the same

An aqueous resin composition with gas barrier properties contains (i) polyurethane resin having aurethane group and a urea group in a total concentration of 25 to 60% by weight and having a acid value of 5 to 100 mgKOH / g, (ii) a swelling inorganic layered compound (e.g., a water-swelling mica, and a montmorillonite), and (iii) a polyamine compound having an amine value of 100 to 1900 mgKOH / g. The polyurethane resin (i) is obtained by a reaction of (A) an aromatic, araliphatic or alicyclic polyisocyanate, (B) a polyhydroxyalkanecarboxylic acid, and at least one component selected from (C) a C2-8alkylene glycol and (D) a chain-extension agent (e.g., diamine, hydrazine and a hydrazine derivative), and neutralized with a neutralizing agent. The proportion of the acid group of the polyurethane resin (i) relative to the basic nitrogen atom of the polyamine compound (iii) is 10 / 1 to 1 / 5 as the equivalent ratio. A laminated film with high gas barrier properties is obtainable by coating a base film with the aqueous resin composition. The present invention provides an aqueous resin composition with excellent gas barrier properties, and a laminated film using the same.
Owner:MITSUI CHEM INC

Water dispersible epoxy resins

A amidoamine composition containing oligomeric amidoamine compounds having the structure:the average of x based on the amidoamine composition is at least 0.2, and Z is the residue of a polyoxyalkylene polyether polycarboxylic acid compound, and the amidoamine composition is the reaction product of primary polyamine compounds with polyoxyalkylene polyether polycarboxylic acid compounds at a corresponding equivalent weight ratio of at least 4.0:1 under oligomeric reaction conditions effective to increase the amine nitrogen equivalent weight of the amidoamine composition by at least 10% over the average acid equivalent weight of said polyoxyalkylene polyether polyacid composition. There is also provided glycidated amidoamine compositions used as epoxy functional surfactants, and the aqueous epoxy resin dispersions thereof, and the curable epoxy resin compositions thereof.
Owner:SHELL OIL CO +1

Aqueous polyamine-containing systems for water-insoluble materials

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.
Owner:LOREAL SA

Conformationally restricted polyamines

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.
Owner:WISCONSIN ALUMNI RES FOUND

Polishing pad, manufacturing method thereof and polishing method

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.
Owner:FUJIBO HLDG +1

Aqueous polymaine-containing anti-frizz composition for hair

The present invention is drawn to a composition and process for inhibiting hair from becoming frizzy when exposed to high and / or low humidity, the composition containing: (a) at least one polyamine compound comprising at least three amino groups; (b) at least one nonionic surfactant; (c) at least one anionic silicone; (d) at least one water-insoluble material; (e) at least one cationic polymer; and (f) at least one film former, different from (e).
Owner:LOREAL SA

Thermoplastic elastomer and thermoplastic elastomer composition

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.
Owner:YOKOHAMA RUBBER CO LTD

Metal surface treatment liquid for cation electrodeposition coating

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.
Owner:NIPPON PAINT CO LTD

Methods of use for compositions comprising a biocidal polyamine

Compounds, compositions, and methods comprising a polyamine compound are described, which may be used to kill, disperse, treat, reduce biofilms, and / or inhibit or substantially prevent biofilm formation. In certain aspects, the present invention relates to compounds, compositions, and methods comprising polyamine compounds that have antimicrobial or dispersing activity against a variety of bacterial strains capable of forming biofilms.
Owner:UNIV OF UTAH RES FOUND +1

A method of preparing a cellulose-based difunctional adsorbent

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.
Owner:GUANGXI UNIVERSITY OF TECHNOLOGY

Low-pressure high-flux chlorine-containing polymer nanofiltration membrane with stable separation layer and preparation method thereof

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.
Owner:ZHEJIANG UNIV

Polyamide composite membrane and production method thereof

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.
Owner:ZHUZHOU TIMES NEW MATERIALS TECH

Method for preparing silica gel supported dithiocarbamate heavy metal chelating resin

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.
Owner:CENT SOUTH UNIV

Biomolecule retaining material and methods for attaching biomolecules to a surface

The present invention provides a method and material for attachment of biomolecules onto the surface of a substrate, such as microwell plates, tubes, beads, microscope slides, silicon wafers or membranes. The material includes a substrate having a surface coating including a polyamine compound. In one embodiment, the method and material are used to immobilize nucleic acid probes onto plastic materials such as microwell plates, e.g., for use in hybridization assays. In particular, the material can be used to attach a biomolecule (e.g., a nucleic acid) which in turn can be used for specific binding reactions (e.g., to hybridize a nucleic acid to its complementary strand).
Owner:CORNING INC

Application of cationized polysaccharide in preparation of medicines for bacterial biomembrane control

InactiveCN108938662AActivate the immune defense mechanismStimulate phagocytosisAntibacterial agentsOrganic active ingredientsCell-Extracellular MatrixECM Protein
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.
Owner:NANJING UNIV
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