12454 results about "Carboxylic group" patented technology

A radiation-sensitive composition includes a radically polymerizable component that comprises carboxy groups, an initiator composition to generate radicals, and a polymeric binder comprising poly(alkylene oxide) segments and optionally pendant cyano groups. This composition can be used to prepare imageable elements such as negative-working, on-press developable printing plate precursors.

There is provided a composition for forming an EUV resist overlayer film that is used in an EUV lithography process, that does not intermix with the EUV resist, that blocks unfavorable exposure light for EUV exposure, for example, UV light and DUV light and selectively transmits EUV light alone, and that can be developed with a developer after exposure. A composition for forming an EUV resist overlayer film used in an EUV lithography process including a resin containing a naphthalene ring in a main chain or in a side chain and a solvent, in which the resin may include a hydroxy group, a carboxy group, a sulfo group, or a monovalent organic group having at least one of these groups as a hydrophilic group.

The present invention relates to a composition comprising more than 25 weight % (based on the weight of the composition) of one or more ethylene polymers having an M_w of 20,000 g/mole or more and at least 0.1 weight % of a liquid hydrocarbon modifier where the modifier has: 1) a viscosity index of 120 or more, and 2) an kinematic viscosity of 3 to 3000 cSt at 100° C., and 3) a pour point of −10° C. or less, and 4) a flash point of 200° C. or more; and wherein the modifier contains less than 5 weight % of functional groups selected from hydroxide, aryls, substituted aryls, halogens, alkoxys, carboxylates, esters, acrylates, oxygen, nitrogen, and carboxyl, based upon the weight of the modifier.

The water absorbent resin composition and the production method thereof according to the present invention are characterized by including: water absorbent resin particles having an internal cross-linked structure obtained by polymerizing a water-soluble unsaturated monomer; a nitrogenous ketone compound (A) (containing no carboxyl group) having a structure represented by formula (1); and a bivalent and/or trivalent and/or tetravalent water-soluble metal salt, wherein a total amount of the nitrogenous ketone compound (A) and the bivalent and/or trivalent and/or tetravalent water-soluble metal salt ranges from 0.01 to 100 parts by mass with respect to 100 parts by mass of the water absorbent resin particles, thereby providing a water absorbent resin composition, having an excellent absorption capacity represented by a centrifuge retention capacity (CRC), an absorbency against pressure of 4.83 kPa (AAP) etc., having excellent liquid permeability and liquid diffusion properties, having excellent fluidity at the time of moisture absorption, having an excellent damage resistance property, effectively suppressing occurrence of dusts, hardly bringing about permeation of added metal compounds into water absorbent resin particles, hardly bringing about segregation of added metal compounds.

The invention provides electronic parts which comprise a composite dielectric layer composed of an organic insulating material and a dielectric ceramic powder having a larger relative dielectric constant than the organic insulating material, and which also comprise conductive element sections forming inductor elements, etc., wherein the organic insulating material comprises a cured resin obtained by curing reaction of an epoxy resin with an active ester compound obtained by reaction between a compound with two or more carboxyl groups and a compound with a phenolic hydroxyl group. The dielectric ceramic powders of the described electronic parts have larger relative dielectric constants than the organic insulating materials, and the organic insulating materials have low dielectric loss tangents. It is possible to adequately reduce time-dependent dielectric constant changes in the high-frequency range of 100 MHz and above even with prolonged use at high temperatures of 100° C. and higher, while it is also possible to satisfactorily prevent deformation and other damage to the electronic parts during their handling.

A method for specifically removing or isolating plasmin(ogen) or plasmin in presence of fibrinogen from a mixture containing plasmin(ogen) or plasmin by contacting the mixture with a rigid amino acid wherein the amino group of the amino acid and the carboxylic group of the amino acid are about 6–8 Angstroms, preferably about 7 Angstroms apart and the rigid amino acid is covalently bound to the support via the amino group of the amino acid.

Disclosed is a carbon nanotube dispersion liquid which enables to easily form a transparent conductive film. Also disclosed is a transparent conductive film obtained by using such a carbon nanotube dispersion liquid. Specifically disclosed is a carbon nanotube dispersion liquid containing a carbon nanotube (A), a dispersing agent (B) composed of an organic compound containing one of a carboxyl group, epoxy group, amino group and sulfonyl group and having a boiling point of not less than 30˚C and not more than 150˚C, and a solvent (C). Also disclosed are a transparent conductive film containing a layer composed of a solid component of such a dispersion liquid, and a method for producing such a transparent conductive film.

An aspect of the present invention relates to a magnetic recording medium comprising a magnetic layer containing a ferromagnetic powder and a binder on a nonmagnetic support, wherein the ferromagnetic powder has a hexagonal ferrite structure, the magnetic layer comprises a coefficient of friction-lowering component in the form of nonmagnetic inorganic particles, and a compound in which a substituent selected from the group consisting of a hydroxyl group and a carboxyl group is directly substituted on an aromatic ring.

Modified polysaccharide polymers for use as anti-scalant and dispersant. The polymers are useful in compositions used in aqueous systems. The modified polysaccharides are also useful in detergent formulations, water treatment, dispersants and oilfield applications and as fiberglass binders. Such applications include a modified polysaccharide having up to about 70 mole % carboxyl groups per mole of polysaccharide ASU and up to about 20 mole % aldehyde groups per mole of polysaccharide ASU. The applications can also include a blend of modified polysaccharides and other synthetic polymers.

A process for preparing metal nanoparticles, comprising reacting suitable metal salts and anionic surfactant containing an anionic group of carboxylic group (COO-), sulfate group (SO42-) or sulfonate group (SO32-) as reducing agent in water under reflux at a temperature of 50-140° C., such that under the reducing power of said anionic surfactant itself, the metal salts can be effectively reduced into metal nanoparticles having a uniform particle size and that the reaction will be not too fast, no large microparticle will be formed, the yield will not be lowered, and the nanoparticle thus prepared can be dispersed stably in polar and non-polar solvent.

A fiberglass non-woven binder composition containing a carboxy-functional copolymer binder crosslinker and a compound capable of forming a hydrogen-bonding complex with the carboxy-functional copolymer binder. The binder composition provides a strong, yet flexible bond that allows a compressed fiberglass mat to easily expand once the compression is released. The binder composition is capable of being cured at lower cure temperatures than those binders prepared using conventional crosslinkers.

The invention provides a lubricating composition comprising an oil of lubricating viscosity and an amine-functionalised additive, wherein the amine-functionalised additive is derived from an amine having at least 3 aromatic groups, at least one —NH2 functional group, and at least 2 secondary or tertiary amino groups. The invention further provides for the additive to have dispersant and/or dispersant viscosity modifying properties. The lubricating composition is suitable for lubricating an internal combustion engine.

The present invention relates to multi-functional topical delivery systems for providing long-lasting delivery of fragrance as. well as skin-supporting and/or pharmaceutically active ingredients comprising (i) an oil phase; (ii) an aqueous phase; (iii) phenoxyethanol at a concentration of from about 2.0% to about 2.7% based on the total weight of the composition; (iv) an effective exfoliating amount of a hydrophobic hydroxycarboxylic acid selected from the group consisting of orthohydroxybenzoic acid, hydroxycarboxylic acids containing a C12-C24 fatty acid esterified to the alpha carbon hydroxyl group, hydroxycarboxylic acids containing a C12-C24 fatty alcohol esterified to a carboxyl group; (v) a non-ionic emulsifier having an HLB of from about 7 to about 10; (vi) a fragrance composition; and (vii) at least one skin-supporting or dermatopharmaceutically active agent.

The present invention relates to hyaluronic acid ester derivatives, whose carboxylic groups are partially esterified with hydroxy groups of propiophenone derivatives, to the hydrogel materials consisting of the said hyaluronic acid ester derivatives, to their preparation process by photocuring of the hyaluronic acid ester derivatives, and their use in the biomedical, sanitary and surgical fields, and in the medical field as controlled release systems for drugs.

An ink composition for ink jet printing is provided which gives a cured object excellent in adhesion to metallic plates, resistance to etchants, and alkali removability and can be stably ejected with an ink jet apparatus. The ink jet composition for etching resists has a viscosity at 25° C. of 3-50 mPa s and includes monomers comprising: either a polymerizable phosphoric ester compound represented by general formula (I); a polyfunctional monomer having two or more ethylenic double-bond groups per molecule and having no phosphoric ester group, the content of the ethylenic double-bond groups being 4×10⁻³ to 8×10⁻³ mol/g; and a monofunctional monomer having one ethylenic double-bond group per molecule and having neither phosphoric ester group nor carboxy group.

In the formula, X represents C_1-3 alkylene, Y represents C_2-3 alkylene, and R represents hydrogen or methyl.

A compound shown by the following formula:wherein each of R1a, R2a, R3a and R4a represents a substituent selected from a non-reactive atom, a non-reactive group, a hydroxyl group and an amino group, and at least two members selected from R1a, R2a, R3a and R4a are a hydroxyl group, a carboxyl group or an amino group; is subjected to an esterification reaction or an amidation reaction with a polymerizable unsaturated compound (e.g., an alcohol, a carboxylic acid, an amine) in the presence of a catalyst comprising an element selected from the Group 3 elements, such as a samarium compound, to obtain a polymerizable adamantane derivative having at least one polymerizable unsaturated group in high yield.

The invention discloses a preparation method of multiple cross-linked polysaccharide injectable hydrogel. Modified water-soluble chitosan with carboxyl or hydroxyl groups as a first component and a hydroformylation-modified polysaccharide polymer or polysaccharide polymer mixer as a second component produce electrostatic action with each other and undergo a Schiff-base reaction to produce the hydrogel with a multiple cross-linked net structure. The multiple cross-linked polysaccharide injectable hydrogel has gelling time of 5-200s and has good mechanical properties. Through change of a chitosan and polysaccharide modification rate, a mole ratio of two components and solid content of hydrogel, gelling time, mechanical strength, microscopic morphology and water content are adjusted and controlled. The gel network contains a large amount of amino, carboxyl and aldehyde groups as active groups, the active groups can be bonded to drugs and proteins by covalent bonds, the multiple cross-linked polysaccharide injectable hydrogel as a novel medical material with excellent biocompatibility has a good application prospect in the fields of regeneration medical science, tissue engineering and drug controlled release.

The present disclosure provides a non-corrosive cleaning composition that is useful for removing residues from a semiconductor substrate. The composition can comprise water, at least one hydrazinocarboxylic acid ester, at least one water soluble carboxylic acid, optionally, at least one fluoride-containing compound, and, optionally, at least one corrosion inhibitor not containing a carboxyl group. The present disclosure also provides a method of cleaning residues from a semiconductor substrate using the non-corrosive cleaning composition.

The invention provides a colored photosensitive resin composition for forming a colored image on a transparent substrate, the colored photosensitive resin composition comprising: an alkali-soluble binder, one of a monomer and an oligomer having at least two ethylenic unsaturated double bonds, one of a photopolymerization initiator and a photopolymerization initiating system, and a pigment, said alkali-soluble binder comprising a copolymer including a structural unit having a carboxyl group, a structural unit represented by the following general formula (1), and a structural unit comprising a (meth)acrylate having at least one of an aromatic ring and an alicyclic ring:

wherein R¹ represents one of a hydrogen atom and a methyl group; and each of R² to R⁶ independently represents one of a hydrogen atom, a substituted and unsubstituted alkyl group, a substituted and unsubstituted aryl group, a halogen atom and a cyano group.