63 results about "Reactive polymer" patented technology

In some aspects, the present disclosure pertains to systems for forming hydrogels that comprise (a) a radiopaque polyamino compound and (b) a reactive polymer comprising a plurality of hydrophilic polymer segments and a plurality of reactive moieties, wherein the reactive moieties are reactive with amino groups of the radiopaque polyamino compound, and wherein the radiopaque polyamino compound is produced by a method that comprises: (i) converting hydroxyl groups of a polyhydroxylated radiopaque compound to amino groups, (ii) converting vicinal diol groups (—CHOHCH2OH groups) of a polyhydroxylated radiopaque compound into hydroxyaminoethyl groups (—CHOHCH2NH2 groups), or (iii) converting vicinal diol groups of a polyhydroxylated radiopaque compound into aminomethyl groups (—CH2NH2 groups). In other aspects, the present disclosure pertains to hydrogels formed from such systems and to methods of treatment using such systems.

The present invention relates to a tissue adhesive polymer blend comprising a bioresorbable carrier polymer and a bioresorbable synthetic tissue reactive polymer, and a tissue adhesive device for sealing the dura mater comprising the tissue adhesive polymer blend.

A process for producing a hybrid polymer material based on a reactive polymer resin and one or more Si compounds from the group comprising silanes, siloxanes, silazanes and silicone resins, wherein an inorganic solid and one or more other solids selected from the group comprising thermoplastics, thermosets, elastomers, recycled plastics, aramid fibers, carbon fibers, natural fibers and plant solids are first combined with the reactive polymer resin and the one or more Si compounds as well as additives to form a raw material, the raw material is compacted and subsequently reacted and cured, wherein the one or more other solids are used in a proportion of 30 wt.% to 75 wt.% of the raw material.

The invention relates to the technical field of surfactants, and particularly discloses a high-stability reactive high-molecular surfactant and a preparation method thereof. The surfactant is prepared from the following raw materials in parts by mass: 50 to 60 parts of allyl polyoxyethylene ether, 20 to 30 parts of dodecyl acrylate, 5 to 10 parts of trifluoroethyl methacrylate, 50 to 60 parts of SO3 compound, 0.5 to 1 part of chain transfer agent, 0.1 to 0.3 part of initiator, 0.2 to 0.5 part of synergist and 15 to 20 parts of deionized water. According to the invention, the reaction type high-molecular surfactant with the amphiphilic block structure is formed, so that the water molecule penetration is reduced, the water resistance of the emulsion is obviously improved, the water molecule penetration is reduced, and the water resistance of the emulsion is obviously improved. Moreover, the viscosity of the emulsion is kept stable under high shear force, so that the mechanical stability of the emulsion can be improved.

A process for coating a substrate with a coating having a gloss value at an angle of 60° of at most 40 gloss units, comprising applying a layer of liquid, solvent-free, radiation-curable coating composition at a dry film thickness and curing by electron-beam radiation, the coating composition comprising a radiation-curable resin system, a first matting agent, and optionally a second matting agent in a weight ratio of first to second matting agent of at least 1.0 and a combined amount of first and second matting agents of 8-25 wt.%, based on the weight of the radiation-curable resin system, wherein the first matting agent consists of spherical particles of non-reactive polymer with an average particle size Dv50 of 1.15-1.90 times the dry film thickness, wherein the second matting agent consists of particles with an average particle size Dv50 smaller than the dry film thickness.

The present disclosure provides a composition in which a radical reaction-imparting substance and a polymer micelle that encapsulates a hydrophobic substance are uniformly mixed.

A thermally conductive curable composition includes a first part and a second part, wherein the first part comprises a catalyst, a ceramic filler mixture, a low volatile organic liquid, and water, and the second part comprises a silyl modified reactive polymer, a low volatile organic liquid, and the ceramic filler mixture, and the low volatile organic liquid is present in the composition in an amount greater than about 50 wt. % based on the total weight of the silyl modified reactive polymer.

An optical element manufacturing apparatus is disclosed. The optical element manufacturing apparatus may comprise: a light source for generating light; a light modulation device which is provided with the light from the light source, and polarizes and diffracts the light to modulate the light so as to make a spatial change in the intensity of the light; a photoreactive polymer composition which is irradiated with the light modulated by the light modulation device; and a substrate which supports the photoreactive polymer composition.

Described is a silicone hydrogel contact lens having non-uniform morphology. The contact lens may be made from a reactive mixture comprising: a silicone-containing component; a hydrophilic component; a non-reactive polymeric internal wetting agent; and a polymerization initiator, the contact lens having an oxygen permeability of at least about 60 barrers, and wherein the molar ratio in the lens of the polymeric non-reactive internal wetting agent to silicone, without a surface treatment, is greater in the lens's surface than in its bulk.

In some aspects, the present disclosure pertains to systems for forming hydrogels that comprise (a) a radiopaque polyamino compound and (b) a reactive polymer comprising a plurality of hydrophilic polymer segments and a plurality of reactive moieties, wherein the reactive moieties are reactive with amino groups of the radiopaque polyamino compound, and wherein the radiopaque polyamino compound is produced by a method that comprises: (i) converting hydroxyl groups of a polyhydroxylated radiopaque compound to amino groups, (ii) converting vicinal diol groups (-CHOHCH2OH groups) of a polyhydroxylated radiopaque compound into hydroxyaminoethyl groups (-CHOHCH2NH2 groups), or (iii) converting vicinal diol groups of a polyhydroxylated radiopaque compound into aminomethyl groups (-CH2NH2 groups). In other aspects, the present disclosure pertains to hydrogels formed from such systems and to methods of treatment using such systems.

In some aspects, the present disclosure provides crosslinked reaction products of (a) a boronated multifunctional compound comprising a plurality of nucleophilic groups and (b) a reactive polymer comprising a plurality of electrophilic groups that react with the plurality of nucleophilic groups to form covalent linkages. In some aspects, the present disclosure pertains to a system for forming such crosslinked reaction products. In some aspects, the present disclosure pertains to methods of treatment comprising (a) applying or injecting such crosslinked reaction products or precursors thereof onto or into target tissue of a subject and (b) delivering neutron beam radiation to the target tissue, the crosslinked reaction product, or both.

A photocurable composition can comprise a polymerizable material, at least one non-reactive polymer, and a photoinitiator, wherein the non-reactive polymer can have a carbon content of at least 80% based on the total weight of the non-reactive polymer; a molecular weight of the at least one non-reactive polymer can be at least 750 g / mol and not greater than 20,000 g / mol; an amount of the non-reactive polymer may be at least 10 wt % and not greater than 30 wt %; and a viscosity of the photocurable composition may be not greater than 110 mPa·s. The photocurable composition may have a low linear shrinkage after curing, a high carbon content and high etch resistance and being suitable for AIP or NIL processing.

In some aspects, the present disclosure pertains to systems for forming hydrogels that comprise: (a) a reactive multi-functional compound comprising (i) a residue of a polyol that comprises two or more hydroxyl groups and (ii) a plurality of activated ester groups, each of which is linked to the polyol residue through a residue of a cyclic anhydride and (b) a reactive polymer comprising a plurality of nucleophilic groups that are reactive with the plurality of activated ester groups of the reactive multi-functional compound. In other aspects, the present disclosure provides methods of treatment comprising administering to a subject a mixture of the reactive multi-functional compound and the multi-arm polymer to a patient. In other aspects, the present disclosure provides crosslinked hydrogels that are formed from the reactive multi-functional compound and the multi-arm polymer.

In some aspects, the present disclosure pertains to systems that comprise (a) a reactive polymer comprising a plurality of first hydrophilic polymer segments and a plurality of first reactive moieties, (b) a reactive multifunctional compound comprising a plurality of second reactive moieties, and (c) gold nanoparticles that are functionalized with a plurality of second hydrophilic polymer segments. In other aspects, the present disclosure pertains to crosslinked reaction products formed from such systems. In further aspects, the present disclosure pertains to methods of treatment using systems and such crosslinked reaction products.

The application provides a composition for 3D inkjet printing support structure and a preparation method and application thereof. The first aspect of the application provides a composition for 3D inkjet printing support structure, which comprises water-soluble monofunctional photocuring monomer, non-reactive polymer, photoinitiator and aqueous solvent; the weight of the water-soluble monofunctional photocuring monomer is 30-50% of the total weight of the composition; the weight of the non-reactive polymer is 30-50% of the total weight of the composition; and the non-reactive polymer has the structure shown in formula 1. The composition provided by the application is helpful to improve the support strength and water solubility of the support structure.

Methods and compositions for treating traumatic brain injury. The methods and compositions utilize a multi-functional oxygen reactive polymer (ORP) that includes repeating units that include a reactive oxygen species (ROS) scavenging group and a polyalkylene oxide group. For theranostic applications, the oxygen reactive polymer further includes a diagnostic group.

Title: Hair coloring process comprising the application of a composition comprising a (poly)carbodiimide compound, a pigment functionalized by a phosphate additive, and a reactive polymer. The present invention relates to a hair coloring process comprising the application to the hair of at least one composition C comprising: (1) at least one (poly)carbodiimide compound; (2) at least one pigment functionalized by at least one particular additive of formula (I); and (3) at least one polymer comprising at least one reactive group selected from carboxylic acids.

In some aspects, the present disclosure relates to a radiopaque reactive polymer, the present invention relates to a hydrophilic polymer comprising one or more hydrophilic polymer segments having a plurality of hydrophilic polymer segment ends, a plurality of iodinated cyclic anhydride residues covalently linked to the plurality of hydrophilic polymer segment ends, and a plurality of reactive moieties covalently linked to the iodinated cyclic anhydride residues. In some aspects, the present disclosure relates to a system for forming a hydrogel composition comprising (a) a nucleophilic compound and (b) such a radiopaque reactive polymer. In some aspects, the disclosure relates to a method of treatment comprising administering to a subject a mixture comprising (a) a nucleophilic compound and (b) such a radiopaque reactive polymer under conditions such that the nucleophilic compound and the radiopaque reactive polymer cross-link after administration.

A process for producing a hybrid polymer material based on a reactive polymer resin and one or more Si compounds from the group comprising silanes, siloxanes, silazanes and silicone resins, wherein a mixture of various fibers selected from plant or animal fibers or mixtures thereof, in combination with the reactive polymer resin and the one or more Si compounds and additives, forms a raw material, wherein the raw material further contains at least one alkoxide of zirconium, aluminum or titanium, and wherein the raw material is compacted and subsequently reacted and cured, wherein the fibers are contained in the raw material in a proportion of 0.1 wt.% to 40 wt.% and the at least one alkoxide of zirconium, aluminum or titanium in a range of 6 wt.% to 30 wt.%.

The invention relates to an antibacterial and mildewproof textile and a preparation method thereof, a mixture of wild chrysanthemum flower extract powder, coptis chinensis extract powder, sweet orange essential oil microcapsules and zeolite micro powder suspension is attached to the antibacterial and mildewproof textile, and the antibacterial and mildewproof textile attached with the mixture is subjected to reactive polymer coating treatment. According to the antibacterial mildew-proof textile and the preparation method thereof, the textile is treated by the reactive polymer coating, so that the textile has an excellent hydrophobic effect, good physical and chemical durability and good self-cleaning performance, the static contact angle reaches 151.7 + / -0.8 degrees, the rolling angle reaches 8.8 + / -0.9 degrees, dust and gravels on the surface of the textile can be easily washed away by water, and the textile has a good antibacterial and mildew-proof effect. And a repelling effect is achieved on various liquid drops.

In some aspects, the present disclosure provides iodinated polyamino compounds that comprise a polyamino moiety that is coupled to an iodinated aromatic moiety through a linkage that comprises an ether group, and optionally an amide group. Other aspects of the present disclosure pertain to systems for forming hydrogels that comprise (a) an iodinated polyamino compound that comprises a polyamino moiety that is coupled to an iodinated aromatic moiety through a linkage that comprises an ether group, and optionally an amide group, and (b) a reactive polymer that forms crosslinks with the iodinated polyamino compound. Still other aspects of the present disclosure pertain to crosslinked products formed from such systems and methods of treatment using such systems.

A process for producing a hybrid polymer material based on a reactive polymer resin and one or more Si compounds from the group comprising silanes, siloxanes, silazanes and silicone resins, wherein, firstly, recycled plastic material as a quartz-free filler in combination with the reactive polymer resin and one or more Si compounds as well as additives forms a raw material, wherein the raw material further contains at least one alcoholate of zirconium, aluminum or titanium, and wherein the raw material is compacted and subsequently reacted and cured, wherein the proportion of the solid is 40 to 97 wt.% of the total mass of the raw material.

The present invention is titled "Silicone hydrogel contact lens with non-uniform morphology". The present invention describes a silicone hydrogel contact lens with non-uniform morphology. The contact lens can be made from a reactive mixture that includes: a silicone-containing component; a hydrophilic component; a non-reactive polymeric internal wetting agent; and a polymerization initiator. The contact lens has an oxygen permeability of at least about 60 Barrers, and wherein without surface treatment, the molar ratio of the polymeric non-reactive internal wetting agent to silicone in the lens is greater at the lens surface than in its bulk.

An electrolyte, comprising: (a) a polymer, which is a polymerization or crosslinking product of a reactive additive, wherein the reactive additive comprises at least one reactive polymer, reactive oligomer, or reactive monomer and a curing agent or initiator and wherein the reactive polymer, oligomer, or monomer comprises at least a reactive carboxylic and / or a hydroxyl group; (b) a lithium salt; and (c) an organic liquid solvent or ionic liquid. The polymer preferably comprises a cross-linked network of chains from poly(acrylic acid), poly(vinyl alcohol), polyethylene glycol, carboxymethyl cellulose, or a combination thereof. Also provided is a lithium battery comprising such an electrolyte.

Methods and compositions for treating traumatic brain injury. The methods and compositions utilize a multi-functional oxygen reactive polymer (ORP) that includes repeating units that include a reactive oxygen species (ROS) scavenging group and a polyalkylene oxide group. For theranostic applications, the oxygen reactive polymer further includes a diagnostic group.

This invention relates to the field of materials technology and discloses a fire-resistant cross-linked polyethylene for cable sheathing and its production process. The cross-linked polyethylene is made by first melt cross-linking polymerization of high-density polyethylene as the main raw material, and then by blending and extrusion of a compatibilizer, aluminosilicate fiber modifier, and nitrile rubber auxiliary material. The aluminosilicate fiber modifier is a surface-modified reactive polymer flame retardant aluminosilicate fiber. The presence of the polymer flame retardant is equivalent to creating a "transition" layer between the aluminosilicate fiber and the high-density polyethylene matrix, which is beneficial to improving the interfacial bonding between the aluminosilicate fiber and the high-density polyethylene, thereby allowing the aluminosilicate fiber to fully exert its reinforcing and modifying effect as an inorganic fiber. The polymer flame retardant contains a large amount of phosphorus and silicon flame retardant elements, which can effectively improve the flame retardant and fire-resistant properties of cross-linked polyethylene.

In some aspects, the present disclosure provides a system for forming a hydrogel composition that comprises (a) a first reservoir containing a reactive polymer that comprises a plurality of first reactive groups; (b) a second reservoir containing a multifunctional compound that comprises a plurality of second reactive groups, the second reactive groups reacting with the first reactive groups to form covalent bonds at a pH greater than 7.4; and (c) a third reservoir containing a biologically innocuous buffer having a pH in a range of 8 to 12. Other aspects of the present disclosure pertain methods of treatment using such systems.

The present disclosure relates to mode selective electrode assembly. Further, the present disclosure relates to a unitized regenerative fuel cell comprising a mode selective electrode assembly which operates in dual mode that is electrolysis cell mode and fuel cell mode. The unitized regenerative fuel cell further comprises of at least two gas storage tanks with pressure sensors for storing hydrogen gas and oxygen gas, a water storage tank with pressure sensor, an external energy source, and a power reservoir for storing energy. The mode selective electrode assembly comprises a mode switching system that automatically changes the electrode assembly from an electrolysis cell mode to a fuel cell mode and / or from a fuel cell mode to an electrolysis cell mode, by changing the reactive polymeric layers of the electrodes. The present disclosure also relates to a method for operating a unitized regenerative fuel cell.

The application discloses a nano-silica sol composite interface treating agent with controllable particle size and a preparation method thereof, which is composed of the following components in parts by weight: active nano-silica sol 15-40 parts, epoxy resin / polyurethane-based reactive polymer emulsion 45-70 parts, emulsifier 1-5 parts, curing agent 2-8 parts, dispersing agent 0.5-3 parts and water 5-15 parts. The application realizes efficient compatibility of inorganic nano-silica sol and organic polymer emulsion, and the prepared treating agent has high adhesive strength, excellent water resistance and weather resistance and storage stability; the preparation process is mild, controllable, green and environment-friendly, is suitable for industrialized mass production, and can be widely applied in the fields of building, coating, composite material, electronic packaging and the like.

Method for producing a hybrid polymer material based on a reactive polymer resin and one or more Si compounds from the group comprising silanes, siloxanes, silazanes and silicone resins, wherein a solid selected from the group comprising thermoplastic, thermosetting and elastomeric polymers, in combination with the reactive polymer resin and the one or more Si compounds as well as additives, forms a raw material, the raw material is compacted and subsequently reacted and cured, characterized by the fact that the solid is used simultaneously in three fractions of different sizes and that the raw material contains at least one zirconium, aluminium or titanium compound in the form of its alkoxide, in particular its ethoxide, propoxide and / or butoxide.