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|| List of recent Crosslinker-related patents
| Crosslinked swellable polymer|
The invention is directed to stable crosslinked water-soluble swellable polymers, methods for making same, and their various uses in the hygiene and medical arts, gel electrophoresis, packaging, agriculture, the cable industry, information technology, in the food industry, papermaking, use as flocculation aids, and the like. More particularly, the invention relates to a composition comprising expandable polymeric microparticles having labile crosslinkers and stable crosslinkers, said microparticle mixed with a fluid and an unreacted tertiary crosslinker that is capable of further crosslinking the microparticle on degradation of the labile crosslinker so as to form a stable gel.
|Pipeline with heat-storing properties|
The present invention relates to a process for producing pipelines with heat-storing properties, in which a) organic polyisocyanate is mixed with b) at least one polymeric compound having at least two isocyanate-reactive hydrogen atoms, c) optionally chain extender and/or crosslinker, d) catalyst, e) wax and f) optionally other assistants and/or additives, to give a first reaction mixture, and the first reaction mixture is applied to a pipe and allowed to react fully to give a first polyurethane layer. The present invention further relates to a pipeline with heat-storing properties obtainable by such a process..
|Method for making specific products from polysaccharide molecule|
A method for preparing a specific product from a polysaccharide in which at least one hydroxyl of a saccharide unit is substituted with an ether or ester moiety. The ether or ester moiety is provided with ethenyl and/or epoxy functionality for preparing an activatable polysaccharide polymer and the activatable polysaccharide polymer with ethenyl and/or epoxy functionality is optionally reacted with an additional coupling reagent, having at least two coupling functionality for preparing polysaccharide polymer with additional activatable crosslinker.
|Chemically amplified positive resist composition and pattern forming process|
In a chemically amplified positive resist composition comprising (a) a base resin, (b) a photoacid generator, (c) a thermal crosslinker, and (d) an organic solvent, the base resin is a specific polymer and the crosslinker is a siloxane compound. A coating of the composition is readily developable in aqueous alkaline solution.
|Thermally-activated, high temperature particulate suspending agents and methods relating thereto|
A particulate suspending agent may be useful for mitigating particulate settling in wellbore applications with high-temperature and/or at near-neutral and higher ph values. Methods of treating a wellbore may include providing a treatment fluid comprising an aqueous liquid, a plurality of particulates, and a particulate suspending agent, wherein the particulate suspending agent comprises a crosslinked polymer particulate formed by a reaction comprising a first monofunctional monomer and an orthoester crosslinker, the orthoester crosslinker comprising an orthoester linkage and at least two crosslinking moieties; and placing the treatment fluid in a wellbore penetrating a subterranean formation..
|Methods for plug cementing|
Compositions comprise polyacrylamide, a non-metallic crosslinker and a ph-adjustment material. Such compositions have utility in the context of remedial cementing, plug cementing in particular.
|Fluid loss control composition and method of using the same|
Fluid loss materials including carboxymethylcellulose and zirconium-based crosslinkers may be employed as fluid loss materials in methods of treating subterranean formations. One method includes providing a treatment fluid including carboxymethylcellulose (cmc) and a crosslinker including zirconium, wherein the carboxymethylcellulose has a degree of substitution in a range of from about 0.5 to about 2.5, wherein the crosslinker including zirconium includes one selected from the group consisting of ammonium zirconium fluoride, zirconium 2-ethylhexanoate, zirconium acetate, zirconium neodecanoate, zirconium acetylacetonate, tetrakis(triethanolamine) zirconate, zirconium carbonate, ammonium zirconium carbonate, zirconyl ammonium carbonate, zirconium complex of hydroxyethyl glycine, zirconium malonate, zirconium propionate, zirconium lactate, zirconium acetate lactate, and zirconium tartrate, and placing the treatment fluid in a subterranean formation, wherein the treatment fluid controls fluid loss in a permeable portion of the subterranean formation penetrated by a wellbore..
|Water-absorbing polymer having a high absorption rate|
A process for producing a water-absorbing polymer composition, comprising the process steps of (i) mixing (α1) 0.1 to 99.999% by weight of ethylenically unsaturated monomers containing acid groups or salts thereof (α2) 0 to 70% by weight of polymerized, ethylenically unsaturated monomers copolymerizable with (α1), (α3) 0.001 to 10% by weight of one or more crosslinkers, (α4) 0 to 30% by weight of water-soluble polymers, and (α5) 0 to 20% by weight of one or more assistants, where the sum of their weights (α1) to (α5) is 100% by weight, (ii) free-radical polymerization with crosslinking to form a water-insoluble aqueous untreated hydrogel polymer, and surface postcrosslinking the ground hydrogel polymer wherein blowing agents having a particle size of 100 μm to 900 μm are added to the aqueous monomer solution prior to the addition of the initiator and the start of the free-radical polymerization.. .
|Tissue grafted with a biodegradable polymer|
Novel implantable tissue fixation methods and compositions are disclosed. Methods and compositions of tissue, fixed using polymeric and/or variable length crosslinks, and di- or polymercapto compounds are described.
|Hydration acceleration surfactants in conjunction with high molecular weight polymers, and methods and compositions relating thereto|
A hydration acceleration surfactant may be utilized in conjunction with high molecular weight polymers in forming high viscosity, aqueous based treatment fluids. Forming such fluids may involve mixing an aqueous base fluid, a hydration acceleration surfactant, a crosslinker polymer, and a base polymer, thereby yielding a treatment fluid, wherein the base polymer is provided in the form of a first polymeric emulsion before mixing and/or the crosslinker polymer is provided in the form of a second polymeric emulsion before mixing.
|Process for producing improved absorbent polymers by means of cryogenic grinding|
A process for producing a water-absorbing polymer comprises: (i) mixing (α1) 0.1-99.99% by weight of ethylenically unsaturated monomers containing acid groups or salts thereof, or ethylenically unsaturated monomers including a protonated or quaternized nitrogen, or mixtures thereof, (α2) 0-70% by weight of ethylenically unsaturated monomers copolymerizable with (α1), (α3) 0.001-10% by weight of one or more crosslinkers, (α4) 0-30% by weight of water-soluble polymers, and (α5) 0-20% by weight of one or more assistants, where the sum of the weights (α1) to (α5) is 100%; (ii) free-radical polymerization with crosslinking to form an untreated hydrogel polymer; (iii) coarse comminution of the untreated hydrogel polymer to give pieces having a diameter from 0.1 mm to 5.0 cm; (iv) cooling and grinding the untreated hydrogel polymer; (v) drying the untreated hydrogel polymer after grinding at a temperature from 85° c. To 260° c.; (vi) postcrosslinking the hydrogel polymer and (vii) drying the water-absorbing polymer..
|Hybrid thermoplastic gels and their methods of making|
Methods, compositions, apparatuses, and systems are provided for a hybrid thermoplastic gel or sealant. The methods comprise providing (a) a base polymer having at least one functional group capable of crosslinking, (b) a functionalized extender, and (c) heat, and reacting the base polymer and functionalized extender in the presence of the heat to form the hybrid thermoplastic gel.
|Redox responsive polymeric nanocapsules for protein delivery|
The invention provides methods of making and using compositions comprising a polymer shell designed to deliver polypeptides to selected environments. In embodiments of the invention, different environmental conditions are harnessed to allow the selective degradation of the polymer shell and the consequential release of one or polypeptides encapsulated therein.
|Systems, methods, and devices for in vivo delivery using remote actuation of implantable hydrogel mems devices|
Microelectromechanical system (mems) devices can be fabricated completely of hydrogel materials. Such hydrogels can include polyethylene glycol with diacrylate functional groups (e.g., pegda), which are photopolymerizable in the presence of crosslinkers and photoinitiators.
|Microfluidic devices having solvent-resistant coating and method of manufacture thereof|
A method of coating a substrate, such as a microfluidic device having an interior surface, includes heating a gas including a perfluoroacrylate, a crosslinker and an initiator at a first temperature, maintaining the substrate at a second temperature lower than the first temperature in a reaction chamber, exposing the heated gas to the substrate in the reaction chamber, and reacting the perfluoroacrylate with the initiator and crosslinker to form a polymer coating on the surface of the substrate.. .
|Amphiphilic polysiloxane prepolymers and uses thereof|
The present invention provides an amphiphilic polysiloxane prepolymer which comprises hydrophilic monomeric units derived from at least one hydrophilic vinylic monomer, polysiloxane crosslinking units derived from at least one polysiloxane crosslinker having at least two terminal ethylenically-unsaturated groups, dangling polysiloxane chains each of which is terminated with one ethylenically unsaturated group, and chain-transfer units derived from a chain transfer agent other than a raft agent. A prepolymer of the invention is suitable for making hydrogel contact lenses.
|Spread crosslinker and method of water control downhole|
A crosslinker composition including a spread crosslinker for treating a subterranean formation is provided along with methods of sealing a subterranean formation including introducing a crosslinkable fluid, the crosslinkable fluid containing a spread crosslinker and a crosslinkable component, into a subterranean formation.. .
|Solar cell sealing film and solar cell using the same|
The solar cell sealing film according to the present invention includes ethylene-methyl methacrylate copolymer, a crosslinker and a silane coupling agent, wherein the crosslinker is contained in an amount of 0.05 to 0.7 part by weight, based on 100 parts by weight of the ethylene-methyl methacrylate copolymer, and the silane coupling agent is contained in an amount of 0.1 to 0.7 part by weight based on 100 parts by weight of the ethylene-methyl methacrylate copolymer, and wherein the ethylene-methyl methacrylate copolymer has a methyl methacrylate content of 25 to 35% by weight.. .
|Hemoglobin-albumin complex, and artificial plasma expander and artificial oxygen carrier containing the complex|
A novel hemoglobin-albumin complex which has high stability of the oxygenated form, has high biocompatibility, and is easily prepared (synthesized), and an artificial plasma expander and an artificial oxygen carrier containing the complex are provided. The hemoglobin-albumin complex of the invention is characterized by having hemoglobin as the core, and albumin as the shell bound via a crosslinker to the above hemoglobin.
|Covalently attached antimicrobial polymers|
The present invention relates to substrates comprising covalently attached antimicrobial polymers, which act as synthetic mimics of antimicrobial peptides (smamps) and are preferably obtained by ring opening metathesis polymerization (romp). The inventive antimicrobial polymers exhibit a molecular weight of more than 100,000 g mol−1 and are preferably covalently attached to the surface of a substrate, e.g.
|Polycarbonate polyol compositions|
The present invention provides coating compositions having a crosslinker and a poly(carbonate polyol). Such coating compositions may be usefully employed in thermosetting applications for the production of coatings for consumer products..
|Substrate printed with a water-based urethane printing ink with improved performance properties|
A substrate has a surface printed with an ink or coating composition with excellent adhesion and dry rub resistance, and very good oil and saline rub resistance (crock) properties using a multi-functional carbodiimide as a crosslinker for nonwoven substrates. The rub performance of the ink or coating printed on a nonwoven substrate has been found to be superior to that of a first sun benchmark ink including pigments for four color printing.
|Aptamer bioconjugate drug delivery device|
A delivery device for an active agent comprises nanoparticles based on a biopolymer such as starch. The delivery device may also be in the form of an aptamer-biopolymer-active agent conjugate wherein the aptamer targets the device for the treatment of specific disorders.
|Lung volume reduction therapy using crosslinked non-natural polymers|
One aspect of the invention relates to a hydrogel comprising a non-natural polymer comprising a plurality of pendant nucleophilic groups and a crosslinker comprising at least two pendant electrophilic groups. Another aspect of the invention relates to a hydrogel comprising a non-natural polymer comprising a plurality of pendant electrophilic groups and a crosslinker comprising at least two pendant nucleophilic groups.
|Photo-curable resin composition, photo-curable dry film, patterning process, protective film, and electric/electronic part|
A photo-curable resin composition comprising an epoxy-containing polymer, a photoacid generator in the form of an onium salt having tetrakis(pentafluorophenyl)borate anion, a solvent, and optionally an epoxy resin crosslinker forms a coating which serves as a protective film for the protection of electric/electronic parts.. .
|Methods for servicing subterranean wells|
Process fluids comprising more than 1 wt % polyacrylamide and a non-metallic crosslinker may be used to control lost circulation in subterranean wells. The process fluid is placed into a subterranean lost-circulation zone and allowed to crosslink, thereby forming a gel barrier that limits further flow of process fluid into the zone.
|Methods and reagents for biomolecule labeling, enrichment and gentle elution|
Methods and sets of non-biological reagents (elution reagents, tag isomers, tag reactive groups, crosslinkers) for single or multiplexed capture and gentle elution of biomolecules. Examples are provided using amine- and cysteine-reactive reagents for enrichment of proteins, peptides, and rare peptide modifications..
|Photochemical crosslinkers for polymer coatings and substrate tie-layer|
The invention describes novel crosslinking compounds that include photoactivatable moieties. Several families of compounds are disclosed that can include one or more hydrophilic moieties that help to solubilize the compounds in aqueous environments..
|Thermosetting polyester coating compositions containing tetramethyl cyclobutanediol|
Disclosed are polyester resins and solvent borne thermosetting coating compositions that include these resins in combination with at least one crosslinker. The polyester resins contain 2,2,4,4-tetramethyl-1,3-cyclobutanediol and exhibit a combination of good solubility in organic solvents and high hardness with good flexibility in a coating composition..
|Coating compositions containing tetramethyl cyclobutanediol|
Disclosed are solvent borne thermosetting coating compositions that contain a curable polyester resin blended with an acrylic copolymer, a crosslinker, and a solvent. The polyester resin contains 2,2,4,4-tetramethyl-1,3-cyclobutanediol and exhibits good dry time, compatibility with acrylic resins, sag resistance and hardness development in a coating composition.
|Anion exchange composite membrane filled with crosslinked polymer electrolytes for fuel cells and method for preparing the same|
An anion exchange composite membrane is filled with crosslinked polymer electrolytes for fuel cells. A method comprises, (a) preparing anion exchange electrolyte precursor solution, said anion exchange electrolyte precursor solution consisting of a electrolyte monomer of tetravalent ammonium salt having a cation, a bisacrylamide crosslinker having tertiary amine functional group, an initiator and water; (b) impregnating a porous polymer supporter into said electrolyte precursor solution; (c) forming primary anion exchange crosslink polymer electrolyte micropore filling membrane by laminating said polymer supporter and crosslinking within a film; (d) deriving quanternary ammonium of said crosslinker having tertiary amine functional group by immersing said primary anion exchange crosslink polymer electrolyte micropore filling membrane in vinylbenzyl chloride monomer solution; and (e) preparing composite membrane filled with crosslinked polymer electrolytes by crosslinking after said ammonium deriving is complete, said crosslinking being radical polymerizing vinyl group of said electrolyte micropore filling membrane..
|Dry silicone gels and their methods of making using thiol-ene chemistry|
Methods and systems are provided for a dry silicone gel. The dry silicone gel comprises a base polymer having a vinyl-silicone group and a crosslinker having thiol groups.
|Method for preparing an anion exchange membrane with ion exchange groups and an apparatus for removal of ions|
A method of preparing an anion exchange membrane with anion exchange groups. The method includes polymerizing a first monomer with a functional group selected from the pyridine derivatives with a second monomer selected from the benzene derivatives, such as styrene, to form a copolymer.
|Process for making a stiffened paper|
A process for making a stiffened and rigid paper includes preparing a pulp slurry consisting essentially of water, a cellulosic pulp, a crosslinker, and a starch, and optionally a binder; draining the liquid from the pulp slurry to form a web; and drying the web. Alternatively, a process for making a stiffened and rigid paper includes the step of adding at least one crosslinker at one or more locations, such as at the wet-end, dry-end, or at both ends of the papermaking process.
|Ammonium salts of chelating agents and their use in oil and gas field applications|
The present invention relates to a process for treating a subterranean formation wherein a fluid containing an ammonium salt of glutamic acid n, n-diacetic acid (glda) or methylglycine n, n-diacetic acid (mgda) is introduced into the formation. The invention also covers a fluid containing an ammonium salt of glda and/or mgda and at least one component from the group of seawater, mutual solvents, anti-sludge agents, (water-wetting or emulsifying) surfactants, foaming agents, corrosion inhibitors corrosion inhibitor intensifiers, viscosifiers, wetting agents, diverting agents, oxygen scavengers, carrier fluids, fluid loss additives, friction reducers, stabilizers, rheology modifiers, gelling agents, scale inhibitors, breakers, salts, brines, ph control additives, bactericides/biocides, particulates, crosslinkers, salt substitutes (such as tetramethyl ammonium chloride), relative permeability modifiers, sulfide scavengers, fibres, nanoparticles, and consolidating agents, and covers an ammonium salt of the formula mx(nh4),hz-glda or the formula mx(nh4),hz-mgda, wherein m is an alkalimetal cation, x is at least 0.1, y is at least 0.1 and x+y+z=4 for glda and x+y+z=3 for mgda..
|Photosensitive, developer-soluble bottom anti-reflective coating material|
Photosensitive, developer-soluble bottom anti-reflective coatings are described. Compositions and methods of forming the same are also disclosed along with resulting microelectronic structures.
|Coating compositions comprising latex emulsions and hydroxyl functional oil polyol graft copolymers|
The present invention includes coating compositions and methods for coating substrates using the coating compositions. In some embodiments of the invention, a coating composition is prepared by a method including the steps of a) preparing a latex emulsion by a method including mixing an ethylenically unsaturated monomer component in a carrier to form a monomer emulsion, and reacting the monomer emulsion with an initiator to form the latex emulsion, b) preparing a hydroxyl functional oil graft copolymer by a method including reacting an epoxidized vegetable oil with a hydroxyl functional material in the presence of an acid catalyst to form a hydroxyl functional oil polyol, and reacting the hydroxyl functional oil polyol with an ethylenically unsaturated monomer component in the presence of an initiator to form the hydroxyl functional oil polyol graft copolymer, and c) blending the latex emulsion and a crosslinker then adding the hydroxyl functional oil graft copolymer to form the coating composition.
|Plate synthesized by waste circuit board powder and manufacturing process thereof|
Plate synthesized by waste circuit board powder and the manufacturing process thereof are provided. The material used for manufacturing the plate includes: powder recycled from circuit board, wood fiber powder, crosslinker, waterproof agent and carbon filament fiber.
|Adhesive composition for bonding low surface energy polyolefin substrates|
A two-part acrylic adhesive composition comprising at least one organoborane-amine complex initiator and at least one multifunctional maleimide crosslinker.. .
|Implantation material comprising biocompatible polymer|
Disclosed herein is a hyaluronic acid epoxide derivative film comprises a polymer containing a hydroxyl (—oh) terminal group. The film is prepared by allowing an epoxy crosslinker to react with a mixture of hyaluronic acid and a polymer containing a hydroxyl (—oh) terminal group and has improved physical strength, in vivo stability, flexibility, adhesiveness to biological tissue, and biocompatibility..
|Polycarboxy emulsion copolymer binder compositions|
The present invention provides flexible binder compositions comprising one or more polycarboxy emulsion copolymer has a measured tg of 40° c. Or less, such as from −45° c.
|Non-aqueous room temperature-curing coating material|
Provided is a coating material comprising a crosslinker component and a catalyst component, the coating material curing at temperatures of 10 to 80° c., to the use of the coating materials to coat a variety of substrates and to coating compositions comprising coating material.. .
|Surfactant-based monolithic columns, methods for making the same, and methods for using the same|
A method for making a surfactant-based monolithic column is provided. The method comprises providing a mixture comprising at least one surfactant monomer, at least one crosslinker, at least one initiator, and at least one porogen and polymerizing the mixture to form the surfactant-based monolithic column.
|Methods for servicing subterranean wells|
Methods for controlling fluid flow through one or more pathways in one or more rock formations penetrated by a borehole in a subterranean well, comprise injecting into or adjacent to the formation a treatment fluid comprising at least one polysaccharide polymer; at least one crosslinker; and fibers, or a mixture of fibers and particles. The fluids are pumped into the well through a tubular body that comprises at least one flow restriction.
|Methods for servicing subterranean wells|
Pumpable process-fluid compositions and methods for establishing hydraulic isolation in cemented subterranean wells comprise more than 1 wt % polyacrylamide and a non-metallic crosslinker. Upon entering voids and cracks in or adjacent to a cement sheath, and contacting the set-cement surfaces, the compositions react and form a seal that prevents further leakage..
|Sorption of water from a sample using a polymeric drying agent|
A method of extracting an analyte from a sample is described where the sample includes water. The sample and polymeric drying agent are added to a container.
|Covalently immobilized enzyme and method to make the same|
A composition of enzyme, polymer, and crosslinker forms a network of covalently bound macromolecules. The covalently immobilized enzyme preparation has enzymatic activity, and retains stable activity when dried and stored at ambient conditions.
|Adhesion promoter and coating composition for adhesion to olefinic substrates|
A method of improving the transfer efficiency of applying a topcoat layer to a primed component includes applying an organic solventborne, carboxyl functional olefin based polymer composition to a substrate to provide a primed component before electrostatically applying a coating composition comprising principal resin and crosslinker to the primed component to form a topcoat layer, wherein the carboxyl functional olefin based polymer is neutralized with at least one amine-containing compound to form a salted carboxyl functional polymer.. .
|Kit of parts for curable coating composition|
The invention relates to a kit of parts for preparation of a crosslinkable coating composition comprising a) a binder module comprising a film-forming binder comprising crosslinkable functional groups a, b) a crosslinker module comprising a crosslinker comprising at least two functional groups b capable of reacting with the crosslinkable functional groups a of the binder, c) a thermal activator module comprising one or more components which exhibit an accelerating effect on the reaction between functional groups a and b of the mixture of the binder module and the crosslinker module, d) an ultraviolet activator module comprising one or more components which after irradiation with ultraviolet light exhibit a greater accelerating effect on the reaction between functional groups a and b of the mixture of the binder module and the crosslinker module than before irradiation with ultraviolet light.. .
|Collagen structures and method of fabricating the same|
A method of fabricating a collagen structure, is disclosed. The method comprises applying onto a surface in a layerwise manner acidic solutions of liquid crystalline collagen and a crosslinker to form a layered structure.
|Crosslinked polymers with the crosslinker as therapeutic for sustained release|
Crosslinked polymers, methods for their preparation and use, are described in which the crosslinked polymers are formed from at least two polymer precursors, one of which is designed, upon degradation of the crosslinked polymer, to release the second polymer precursor in its original, unmodified chemical form.. .
|Ink-jet ink comprising encapsulated cross-linked pigment dispersions|
The present disclosure provides an ink-jet ink made with a pigment dispersion containing a dispersant, and a pigment coated by a polymer that is cross-linked with a crosslinker. The polymer swells in an application medium resulting in improved stability for the pigment dispersion..
|Flame resistant flexible polyurethane foam|
The present invention relates to a reactive formulation used to make a flame resistant flexible polyurethane foam which is particularly suited for use in under the hood vehicle applications which require sound deadening and vibration management and a process to make said foam. In particular, the flame resistant flexible polyurethane foam is made from a reactive formulation comprising an a side comprising (i) one or more organic isocyanate and a b side comprising (ii) one or more isocyanate-reactive component, (iii) a flame retardant component comprising a combination of red phosphorus, expandable graphite, and optionally sodium citrate wherein the flame retardant component does not contain ammonium polyphosphate; and (iv) one or more additional component selected from a catalyst, a blowing agent, a cell opener, a surfactant, a crosslinker, a chain extender, a filler, a colorant, a pigment, an antistatic agent, reinforcing fibers, an antioxidant, a preservative, or an acid scavenger wherein the resulting foam achieves a v-0 rating at 0.5 inch according to underwriters' laboratories standard 94 flammability test..
|Diluents for crosslinker-containing adhesive compositions|
The disclosure relates to an adhesive composition for bonding lignocellulosic substrates. The adhesive composition contains a crosslinker and a non-urea diluent where the non-urea diluent is present in an amount from about 0.01 to about 75 weight % based on the total wet weight of the composition and where the crosslinker contains essentially no formaldehyde and contains no urea.
A copolymer obtained by condensation of i) 90 to 99.5 mol %, based on components i) to ii), of succinic acid; ii) 0.5 to 10 mol %, based on components i) to ii), of azelaic acid, sebacic acid and/or brassylic acid; iii) 98 to 102 mol %, based on components i) to ii), of 1,3-propanediol or 1,4 butanediol, and iv) 0.01% to 5% by weight, based on the total weight of the components i) to ii), of a chain extender and/or crosslinker selected from the group consisting of an at least trihydric alcohol or an at least tribasic carboxylic acid.. .
|Encapsulated cross-linked pigment dispersions|
The present disclosure provides pigment dispersions containing a dispersant, and a pigment coated by a polymer that is cross-linked with a crosslinker. The polymer swells in an application medium resulting in improved, stability for the pigment dispersions..
|Stabilized compounds having secondary structure motifs|
The present invention provides novel stabilized crosslinked compounds having secondary structure motifs, libraries of these novel compounds, and methods for the synthesis of these compounds libraries thereof. The synthesis of these novel stabilized compounds involves (1) synthesizing a peptide from a selected number of natural or non-natural amino acids, wherein said peptide comprises at least two moieties capable of undergoing reaction to promote carbon-carbon bond formation; and (2) contacting said peptide with a reagent to generate at least one crosslinker and to effect stabilization of a secondary structure motif.
|Polymer, process and composition|
There is described a process for producing a gel free hyperbranched polyamide polymer having primary amino groups (useful as a crosslinker). The process comprises the step of reacting at least one diamine and at least one unsaturated diester in a molar ratio of diamine to diester greater than 1 but less than 3 (preferably 2.1 to 2.9); to form the polyamide in a two stage reaction michael addition and then amidation.
|Polymer having unsaturated cycloaliphatic functionality and coating compositions therefrom|
A polymer is provided that preferably includes at least one unsaturated cycloaliphatic group. In one embodiment, the polymer is combined with an optional crosslinker and an optional carrier to form a coating composition suitable for use in coating articles such as packaging articles.
|Reaction product of a cyclic urea and a multifunctional aldehyde|
The invention relates to a reaction product ua of at least one cyclic urea u and at least one multifunctional aldehyde a which reaction product has as substituents on the carbonyl carbon atoms of the aldehyde a at least one kind of functional groups selected from the group consisting of hydroxyl groups —oh and alkoxy groups —or characterised in that the groups —or comprise at least two kinds of alkoxy groups —or1 and —or2, where r1 and r2 are both selected from the group consisting of linear, branched or cyclic alkyl groups having from one to twelve carbon atoms, where r1 and r2 may be the same or may be different from each other, to a process of making these, and to a method of use as crosslinker in coating compositions.. .
|Electron-conducting crosslinked polyaniline-based redox hydrogel, and method of making|
A polymer matrix that may coated on an electrode is created by co-crosslinking (1) an adduct of a polyaniline formed by templated oxidative polymerization on a polymer acid; (2) a water-soluble crosslinker; and (3) a redox enzyme. The polymer matrix may be hydrated, and the absorbed water may make it permeable to, for example, glucose.
|Elastic bonding films|
Elastic bonding films that include an elastic, thermoset core layer and a thermoplastic bonding layer on each side of the core layer are described. The thermoset core layer is a polyurethane formed as the reaction product of (i) a multifunctional isocyanate with (ii) a combination of polyols comprising (a) polyester diol, (b) crosslinker, and (c) hard segment.
|Compositions and methods for coating food cans|
A composition for coating food cans is disclosed. The composition comprises a polyester/acrylic graft copolymer, a polyester resin, and a crosslinker.
|Texturized mottled artificial clothing label and methods of making the same|
Laminates and methods of making them are generally provided. The methods of making a laminate for use as a clothing tag can include laminating a first fibrous web to a second fibrous web.
|Nonadherent and superabsorbent wound dressings based on electrospun zwitterionic monomers|
A method for creating a non-adhesive, water-absorbent wound dressing includes creating a mixture of monomers, crosslinker, initiator, and solvent, initiating polymerization of the monomers to begin polymerization of the monomers; quenching the polymerization of the monomers when the mixture has a viscosity suitable for electrospinning; electrospinning the polymer mixture to form a fibrous membrane; and thereafter further polymerizing and crosslinking the fibrous membrane. The monomers are chosen from select species and, following this process, provide wound dressings that are nonadherent to a wound so as to be potentially reusable; superabsorbent; non-biofouling.
|Crosslinker-accelerator system for polyacrylates|
With at least one of the radicals r being an organic radical with 1 to 20 carbon atoms, and comprising at least one alcoholic oh group.. .
|Crosslinker-accelerator system for polyacrylates|
X represents —oh, —or, —sh, —sr and —pr2, in which r independently represents c1-c18 alkyl radical, c2-c18 alkenyl radical or c2-c18 alkynyl radical, an aryl group or an aliphatic or aromatic heterocycle, as accelerator.. .
|Crosslinker-accelerator system for polyacrylates|
The radicals r3, r4, r5, r6, r7 and r8 independently of one another are a hydrogen atom or an alkyl group having 1 to 8 carbon atoms or form a 5-7-membered cycloalkylene group; and n is an integer from 0 to 4 (accelerator).. .
|Process for the preparation of a reaction product of a cyclic urea and a multifunctional aldehyde|
This invention relates to a process to make a reaction product ua of at least one multifunctional aldehyde a with at least one cyclic urea u, by mixing the at least one multifunctional aldehyde a with the at least one cyclic urea u in the presence of at least one alcohol r1—oh, and optionally, at least one solvent that has no reactive groups which may react with aldehyde groups, —co—nh— groups, or hydroxyl groups, to effect an addition reaction to obtain a solution of a product ua, where r1 is selected from the group consisting of linear, branched or cyclic alkyl groups having from one to twelve carbon atoms, to the reaction product obtained by this process, and to a method of use thereof as crosslinker for coating compositions.. .
|Mixtures of crosslinking agents|
The invention relates to a crosslinker composition comprising a reaction product of a cyclic urea u and a multi-functional aliphatic aldehyde a, and at least one crosslinker selected from the group consisting of reaction products of an amino-triazine and at least one aldehyde selected from the group consisting of aliphatic monoaldehydes and multifunctional aliphatic aldehydes having the structure y(cho)n, where y is an n-functional aliphatic residue, and n is greater than 1; reaction products of urea and/or cyclic ureas and formaldehyde; alkoxycarbonyl-aminotriazines; multifunctional isocyanates which may be partially or completely blocked; reaction products of phenols and aliphatic monoaldehydes; multifunctional epoxides; multifunctional aziridines; and multifunctional carbodiimides, wherein any of the crosslinkers which have hydroxyl groups may be etherified with one or more linear, branched, or cyclic aliphatic alcohols.. .
|Thermosetting resin composition for semiconductor encapsulation and encapsulated semiconductor device|
A thermosetting resin composition for semiconductor encapsulation contains a both end allyl isocyanurate ring-terminated organopolysiloxane polymer as a sole base polymer and an isocyanurate ring-containing organohydrogenpolysiloxane polymer as a sole curing agent or crosslinker. When a semiconductor element array having semiconductor elements mounted on a substrate with an adhesive is encapsulated with the thermosetting resin composition, warp-free semiconductor devices having improved heat resistance and moisture resistance are obtainable..
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Crosslinker topics: Crosslinker, Ammonium Chloride, Surfactant, Acrylamide, Relaxation, Tertiary Amine, Electrolyte, Electrolytes, Benzyl Chloride, Acid Catalyst, Vinyl Ether, Reflective Coating, Chromophore, Solvent System, Bactericide
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