47 results about "Reactive polymer" patented technology

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.

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.

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.

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.

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.

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.

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.

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 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.

A photocurable composition includes a reactive polymer portion including a first polymer component including one or more alkenyl-functional siloxane polymers, a second polymer component including one or more thiol-functional siloxane polymers, a photoabsorber system and a photoinitiator system, each of which exhibits high absorbance at wavelengths in the range of ± 5nm from a wavelength at which photocuring occurs and low absorbance at wavelengths in the range of 420-680nm. A combination of the photoinitiator system and photoabsorber system exhibits a cumulative absorbance at wavelengths in the range of ± 5nm of the wavelength at which photocuring occurs that is at least 1000 times greater than the maximum absorbance at wavelengths in the range of 420-680 nm. The composition includes no solvent and has an upper critical solution temperature below 20 °C and a lower critical solution temperature above 60 °C. The composition is photocurable to form a transparent material.

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

The present disclosure relates to a system for forming a hydrogel composition, the system comprising a reactive polymer comprising a plurality of hydrophilic polymer segments and a plurality of first reactive moieties, wherein the system is configured to deliver the reactive polymer and the gold nanoparticles under conditions such that a covalent cross-link is formed between the reactive polymer and the gold nanoparticles. The present disclosure also relates to methods of treatment comprising administering to a subject a mixture comprising a reactive polymer and gold nanoparticles, the reactive polymer comprising a plurality of hydrophilic polymer segments and a plurality of first reactive moieties, the present invention relates to a radiopaque cross-linked hydrogel composition, and to a radiopaque cross-linked hydrogel composition comprising a cross-linked reaction product of a reactive polymer comprising a plurality of hydrophilic polymer segments and a plurality of first reactive moieties and gold nanoparticles.

The invention relates to a modulus-maintaining water-retaining hydrogel dressing and a preparation method thereof.The mechanical property of hydrogel is enhanced by forming a physical cross-linked and chemical cross-linked network, and all components form a semi-interpenetrating network with physical cross-linked points through hydrogen bonds; the lysine polymer or the derivative thereof is added into the reactive polymer in an epoxy ring opening manner in a chemical grafting manner, chemical crosslinking points are increased, freezing and unfreezing are performed in an aqueous solution to enhance hydrogen-bond interaction, and water in the reactive polymer can be effectively prevented from being lost. The method is simple in preparation process, hydrogel with different gradient strengths can be obtained, and the dressing is excellent in water retention performance in the using process, has the capacity of maintaining the initial modulus on the wound surface for a long time and can retain the lysine polymer and the derivative thereof for a long time, so that long-acting antibacterial and long-acting wound healing are achieved. The low-modulus dressing significantly reduces proliferation of smooth muscle actin and I-type collagen, and promotes scar-free healing of wounds. The dressing disclosed by the invention is high in biological safety, strong in reproducibility, simple and convenient in process and huge in application potential.

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 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 a mixture of various solids in combination with the reactive polymer resin and the one or more Si compounds and additives forms a raw material, wherein the mixture of various solids contains a particulate fluoropolymer and a particulate thermoplastic polymer, wherein the proportion of the mixture of various solids is 40 to 97 wt.% of the total mass of the raw material and the proportion of the thermoplastic polymer is at least 56 wt.% of the total mass of the 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.

Chromatography columns are disclosed. The column includes a coating on an inner surface. The coating on the inner surface includes a cross-linkable reactive polymer and ionic functional groups. The cross -linkable reactive polymer has one or more functional groups that are attached to the inner surface. Chromatography systems including columns are disclosed. Methods of adjusting the selectivity of chromatography columns with ionic functional groups are also disclosed.

The application provides an absorbable internal fixation biomaterial and a preparation method and application thereof, and the absorbable internal fixation biomaterial comprises 1-5 parts by weight of a natural nano-reinforced filler, 1-10 parts by weight of a reactive polymer and 80-90 parts by weight of a bio-based polymer matrix; the natural nano-reinforced filler and the reactive polymer are used to synergistically reinforce and toughen the bio-based polymer matrix, so that the obtained absorbable internal fixation biomaterial has excellent mechanical properties and degradable properties, can be applied as a biological medical material for orthopedics or dentistry, and has good economic benefits and practical significance.

A polymer composition comprises a polyolefin, a polar polymer, and a reactive polymeric processing aid. The reactive polymeric processing aid comprises an epoxy-functional copolymer grafted to a propylene polymer. A method of making a polymer composition comprises the steps of (a) combining at least one polyolefin, at least one polar polymer, and at least one reactive polymeric processing aid to produce a mixture, and (b) melt mixing the mixture at a temperature greater than the melting points of the polyolefin and polar polymer to produce a polymer composition.