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This page is updated frequently with new Crosslinker-related patent applications. Subscribe to the Crosslinker RSS feed to automatically get the update: related Crosslinker RSS feeds. RSS updates for this page: Crosslinker RSS RSS


Date/App# patent app List of recent Crosslinker-related patents
08/21/14
20140234754
 Fuel cell separator sealing material patent thumbnailnew patent Fuel cell separator sealing material
In a fuel cell separator comprising a separator substrate, a first primer layer, a second primer layer, and an elastomeric seal layer, the first primer layer is formed by firing an organometallic compound, the second primer layer is formed by firing an organosilicon compound having a si—h group, and the elastomeric seal layer is formed by curing a liquid addition-curable silicone rubber composition comprising an alkenyl-containing base polymer and an si—h group-containing crosslinker.. .
08/21/14
20140234642
 Resin compositions for thermosetting powder coating compositions patent thumbnailnew patent Resin compositions for thermosetting powder coating compositions
The invention relates to a resin composition comprising at least an organophosphorous compound and a branched amorphous carboxylic acid functional polyester, said polyester having a tg of at least 40° c., said polyester comprising at least 1 to 45% mol of 2,2-dimethyl-1,3-propanediol; a c3 to c5 aliphatic diol ad1 not including 2,2-dimethyl-1,3-propanediol; a c6 to c50 aliphatic or cycloaliphatic diol ad2; 0.1 to 10% mol of an at least trifunctional monomer; 1 to 55% mol of terephthalic acid, wherein the % mol is based on the polyester. The powder coatings of the present invention derived upon curing at low temperature of the thermosetting powder coating compositions of the invention that were storage stable and comprised said resin composition and a crosslinker having functional groups that are reactive with the carboxylic acid groups of the polyester, have limited or no blooming, good smoothness sufficient reverse impact resistance and preferably have also good degassing limit..
08/21/14
20140231009
 Galvanized metal bonding adhesive formulation and process for the use thereof patent thumbnailnew patent Galvanized metal bonding adhesive formulation and process for the use thereof
A two-part adhesive formulation is provided that has an adhesive part a and an activator part b. The part a includes a monomer amount of a methacrylate ester monomer, a crosslinker amount of a polyfunctional monomer, an anti-oxidant, a free-radical polymerization inhibitor, and an adhesion promoter system to improve cured adhesive strength to a substrate, an impact modifier and a toughening agent and a free-radical polymerization initiator.
08/14/14
20140228484
 Polymer, process and use patent thumbnailPolymer, process and use
There is described a process for producing a gel free hyperbranched polyamide polymer p having a polydispersity of at least 1.1 and a weight average molecular weight of at least 300 daltons, having primary amino groups (useful as a crosslinker). The process comprises the step of reacting reagent a, a compound comprising at least one amino group (—nh2) and one functional group selected from the group consisting of a further amino group (—nh2), thiol (—sh) and a secondary amine radical (—nhr); (where r denotes a hydrocarbo group) (=functional amine) and reagent b, an alpha-beta unsaturated michael-reactive ester comprising a plurality of ester groups (=diester); in a molar ratio of amine a to diester b 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.
08/14/14
20140224489
 Ammonium halide as gelation retarder for crosslinkable polymer compositions patent thumbnailAmmonium halide as gelation retarder for crosslinkable polymer compositions
A method for blocking the permeability of a portion of a subterranean formation including the steps of: (a) selecting the portion of the subterranean formation to be treated, wherein the bottomhole temperature of the portion of the subterranean formation is equal to or greater than 250° f. (121° c.); (b) selecting estimated treatment conditions, wherein the estimated treatment conditions comprise temperature over a treatment time; (c) forming a treatment fluid that is a crosslinkable polymer composition comprising: (i) a water-soluble polymer, wherein the water-soluble polymer comprises a polymer of at least one non-acidic ethylenically unsaturated polar monomer; (ii) an organic crosslinker capable of crosslinking the water-soluble polymer; (iii) an ammonium halide; and (iv) water; (d) selecting the water-soluble polymer, the crosslinker, the ammonium halide, and the water, and the proportions thereof, such that the gelation time is at least 2 hours under the estimated treatment conditions; and (e) injecting the treatment fluid..
08/07/14
20140220483
 Photo-curable resin composition, photo-curable dry film, patterning process, protective film, and electric/electronic part patent thumbnailPhoto-curable resin composition, photo-curable dry film, patterning process, protective film, and electric/electronic part
A photo-curable resin composition comprising a silicone-containing polymer, a photobase generator, a solvent, and optionally an epoxy resin crosslinker forms a coating which serves as a protective film for the protection of electric/electronic parts.. .
08/07/14
20140217379
 Organic light emitting composition, device and method patent thumbnailOrganic light emitting composition, device and method
Disclosed is a crosslinkable light-emitting composition comprising at least one host material, at least one phosphorescent light-emitting dopant, a first crosslinker comprising an unsaturated carbon-carbon bond group and a second crosslinker comprising a ring system capable of undergoing ring-opening crosslinking.. .
08/07/14
20140216931
 Electron-conducting crosslinked polyaniline-based redox hydrogel, and method of making patent thumbnailElectron-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.
07/17/14
20140196894
 Fluorescent tags for detection of swellable polymers patent thumbnailFluorescent tags for detection of swellable polymers
The invention is directed to stable crosslinked swellable fluorescently tagged polymeric microparticles, methods for making same, and their various uses. A particularly important use is as an injection fluid in petroleum production, where the expandable polymeric particles are injected into target zone and when the heat and/or suitable ph of the target zone cause degradation of the labile crosslinker and the microparticles expand.
07/10/14
20140194327
 Viscous fluid systems from waste water patent thumbnailViscous fluid systems from waste water
By including a chemical additive in the well treatment fluid system design the cost and environmental impact of hydraulic fracturing may be substantially reduced. By adding a weak base to the well treatment fluid, water having a high, heterogeneous concentration of dissolved solids, such as water produced by oil and gas wells, may be utilized as the base fluid for hydraulic fracturing or other stimulation processes without adversely affecting the various components of the well treatment fluid.
07/03/14
20140187668
Stabilizing additives for thermochromic pigments
A microencapsulation process is improved by adding a stabilizing agent that contains one or more catalytic organo-metal oxide materials, such as metal soaps. This functions as a crosslinker by causing unsaturated bonds in the microcapsule walls to react, thereby stabilizing the microcapsules against the effects of additives to coatings that, otherwise, degrade the functionality of thermochromic or photochromic materials at the microcapsule core..
07/03/14
20140186555
Topcoat compositions, coated substrates, and related methods
An aqueous based topcoating formulation is provided to coat various substrates such as those used in offset and electrographic printing devices. The water based coating formulation includes ethylene acrylic acid copolymer, polyethyleneimine, and a suitable crosslinker.
06/26/14
20140174743
Well treatment with complexed metal crosslinkers
Disclosed are compositions and methods for treating subterranean formations, in particular, oilfield stimulation compositions and methods using polymer viscosified fluid crosslinked with metal complexes with amino and/or phosphonic acids to provide an increased crosslinking temperature and a low ph sensitivity. The metal complexes can be used with borate crosslinkers to provide continuous viscosification as the temperature is increased..
06/26/14
20140174742
Well treatment with complexed metal crosslinkers
Disclosed are compositions and methods for treating subterranean formations, in particular, oilfield stimulation compositions and methods using polymer viscosified fluid crosslinked with metal complexes with amino and/or phosphonic acids to provide an increased crosslinking temperature and a low ph sensitivity. The metal complexes can be used with borate crosslinkers to provide continuous viscosification as the temperature is increased..
06/19/14
20140171619
Peptide-crosslinked bioactive polymeric materials
A method for creating a peptide crosslinked bioactive polymeric material includes reacting a hydroxy-functionalized small molecule with a amino acid to form an amino acid functionalized monomer, reacting the amino acid functionalized monomer with a urea bond former to form a amino acid-based poly(ester urea), and reacting the amino acid-based poly(ester urea) with a peptide based crosslinker to form the peptide crosslinked bioactive polymeric material.. .
06/19/14
20140170326
Thermally crosslinking polyacrylates and process for their preparation
Crosslinker-accelerator system for the thermal crosslinking of polyacrylates with functional groups suitable for entering into linking reactions with cyclic ethers, more particularly epoxide groups or oxetane groups, comprising at least one substance containing epoxide or oxetane groups (crosslinker) and at least one substance with an accelerating action for the linking reaction at a temperature below the melting temperature of the polyacrylate (accelerator).. .
06/19/14
20140170224
Gelatin-based microgels
A gelatin-based microgel was prepared by a simple method starting from gelatin and alginate. The microgel was composed of a soft gelatin-based core coated by a permeable membrane.
06/12/14
20140163165
Low molecular weight products and use thereof as reversible or permanent low-temperature crosslinking agent in diels-alder reactions
The invention relates to low molecular mass products and to the use thereof as reversible or permanent low-temperature crosslinkers in diels-alder reactions.. .
06/12/14
20140163128
Polyurethane composite materials
Polymeric composite materials, particularly highly filled polyurethane composite materials are described herein. Such highly filled polyurethane composite materials may be formed by reaction and extrusion of one or more polyols, one or more di- or poly-isocyanates, and from about 45 to about 85 weight percent of inorganic filler such as fly ash.
06/12/14
20140162912
Swellable polymer with cationic sites
The invention is directed to long lasting crosslinked water-soluble swellable polymers, methods for making same, and their uses. More particularly, the invention relates to a composition comprising expandable polymeric particles having cationic sites as well as labile crosslinkers and stable crosslinkers, said particle mixed with a fluid.
06/12/14
20140162339
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.
06/12/14
20140161844
Crosslinker enhanced repair of connective tissues
A protein crosslinker delivery device includes a body and a protein crosslinker held in a synthetic or natural biodegradable polymer. The body, a coating on the body, or an attachment to the body can contain the protein crosslinker holding biodegradable polymer.
06/12/14
20140161761
Biocompatible phase invertible proteinaceous compositions and methods for making and using the same
Biocompatible phase invertible proteinaceous compositions and methods for making and using the same are provided. The subject phase invertible compositions are prepared by combining a crosslinker and a proteinaceous substrate.
06/12/14
20140158626
Water-absorbing composites
This invention relates to a process for producing water-absorbing composites comprising the steps of foaming an aqueous mixture comprising at least one monoethylenically unsaturated monomer bearing acid groups, at least one crosslinker, at least one initiator and at least one surfactant, contacting the foam obtained with at least one web of synthetic fibers and polymerizing, to the composites themselves and to their use for absorbing aqueous fluids.. .
06/05/14
20140155515
Silicone hydrogel composition and silicone hydrogel contact lenses made from the composition
A silicone hydrogel composition is disclosed. The composition includes at least one silicone macromer, a hydroxy-functionalized silicone-containing monomer, a first hydrophibic monomer and at least one crosslinker, in which the first hydrophibic monomer is n-vinyl pyrrolidone.
06/05/14
20140155259
Superabsorbent polymer having a capacity increase
The present invention relates to a particulate superabsorbent polymer comprising a monomer and an internal crosslinker agent wherein the particulate superabsorbent polymer has a centrifuge retention capacity increase of 2 g/g or more as set forth herein in the centrifuge retention capacity increase test. The present invention further relates to a superabsorbent polymer comprising an internal crosslinker agent comprising a silane compound comprising at least one vinyl group or one allyl group attached to a silicon atom, and at least one si—o bond.
05/29/14
20140147596
Solvent-borne clearcoat coating composition, method for producing it and use thereof
Solvent-containing clearcoat coating composition comprising (a) an oh-functional (meth)acrylate (co)polymer comprising (a1) 30%-99% by weight, based on the mass of the nonvolatile fraction of (a), of at least one oh-functional (meth)acrylate (co)polymer having an oh number of 60-200 mg koh/g and glass transition temperature tg of 15° c. To 100° c., and (a2) 1%-70% by weight, based on the mass of the nonvolatile fraction of (a), of at least one oh-functional (meth)acrylate (co)polymer having an oh number of 60-200 mg koh/g and a glass transition temperature tg of −100° c.
05/29/14
20140144628
Crosslinking of swellable polymer with pei
The invention is directed to stable and labile crosslinked water swellable polymeric microparticles that can be further gelled, 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 comprising pei or other polyamine based tertiary crosslinker that is capable of further crosslinking the microparticle on degradation of the labile crosslinker and swelling of the particle, so as to form a stable gel.
05/22/14
20140142246
Environmental friendly poly(ether-fattyamide) resin composition
An environmental friendly poly(ether-fattyamide) coating composition for mild steel plates or the like comprises and/or consists of a condensation polymerization product of a fatty diol and an aromatic/cyclic diol and wherein the fattyamide diol is synthesized using rapeseed oil and further cured with an aminoplast resin and a catalyst. The rapeseed oil is combined with a crosslinker such as hexa methoxy melamine formaldehyde, butylated melamine formaldehyde, urea formaldehyde of hydroxyl values of 220-240 mg koh/gm of resin and curing catalysts.
05/22/14
20140141490
Method facilitating removal of bioorganic stains from surfaces
Protein-polymer composite materials are provided according to embodiments of the present invention that include an admixture of a polymer resin, a surfactant and a non-aqueous organic solvent. An aqueous solution containing bioactive proteins is mixed with the admixture.
05/22/14
20140141268
Coating compositions
Embodiments of the present disclosure are directed towards coating compositions comprising from 50 to 85 percent of an aqueous dispersion based on a total weight of the coating composition, an abrasion reducing composition, a solvent, a basic water composition, and a crosslinker.. .
05/22/14
20140141186
Printable coating
A primer-less coating composition for facestock comprises: a binder being a water-dispersible polymer; an ethylenically unsaturated compound which is aqueous-dispersible and miscible with or bonded to said water-dispersible polymer, wherein said ethylenically unsaturated compound is able to form a covalent bond with an ink; and a crosslinker, wherein said crosslinker is suitable for binding the coating to the facestock. The coating composition may be applied to a substrate to form a printable film.
05/22/14
20140138393
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.
05/22/14
20140138117
Peroxide crosslinked resin composition and electric wire and cable using same
A peroxide crosslinked resin composition includes a base polymer (a) including 50 to 90% by mass of a first copolymer component (a1) including one of or a mixture of two or more first ethylene α-olefin copolymers having a density of 0.864 to 0.890 g/cm3, a melt flow rate (mfr) of 1 to 5 g/10 min, and a melting point of not higher than 90 degrees celsius, and 10 to 50% by mass of a second copolymer component (a2) including one of or a mixture of two or more second ethylene α-olefin copolymers having a melt flow rate (mfr) of not smaller than 30 g/10 min, and a melting point of 55 to 80 degrees celsius, an inorganic filler (b) added in a ratio of from 80 parts to 150 parts by mass with respect to 100 parts by mass of the base polymer (a), and a peroxide crosslinker (c).. .
05/15/14
20140135502
Methods for the preparation of charged crosslinkers
Processes for the preparation of charged crosslinkers bearing a sulfonic acid moiety are disclosed. These procedures also optionally include methods to convert the resulting products to substantially a single salt form..
05/15/14
20140135458
Method for the production of mdi dimer
The invention relates to a method for the production of 4,4′-methylenebis(phenylisocyanate) dimer (mdi dimer) which is distinguished by an mdi dimer being obtained which is present in high purity. The mdi dimer which is produced according to the method according to the invention is distinguished by being essentially free of mdi and also urea derivatives.
05/15/14
20140131043
Swellable polymer with anionic sites
The invention is directed to stable crosslinked water-soluble swellable polymers and methods for making same. More particularly, the invention relates to a composition comprising expandable polymeric particles having anionic sites and labile crosslinkers and stable crosslinkers, said particle mixed with a fluid and a cationic crosslinker that is capable of further crosslinking the particle on degradation of the labile crosslinker and exposure of the anionic sites so as to form a gel.
05/01/14
20140121412
Carbodiimides from trisubstituted aromatic isocyanates, a method for producing same, and the use of same
The invention relates to innovative carbodiimides, to a process for preparing them and to the use thereof as stabilizer, crosslinker and/or compatibilizer in thermoplastics, ester-based polyols for polyurethane applications, in rigid foam, in flexible foam or, for example, in case (coatings adhesives sealants elastomers) applications.. .
05/01/14
20140121295
Shape memory polymer
A polymer is composed of a linear chain acrylate and a multi-functional acrylate cross-linker. The polymerized composition exhibits a transition at a temperature between about 34° c.
05/01/14
20140117271
Thermally stable 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. Said foam is particularly suitable for such applications because desirable flame resistant properties are achieved after exposure to heat over an extended period of time.
04/24/14
20140114026
Compositions that can be vulcanized and that are based on nitrile rubbers containing epoxy groups
There are provided novel vulcanizable compositions based on optionally fully or partly hydrogenated nitrile rubbers containing epoxy groups, and specific crosslinkers, which no longer require use of conventional crosslinkers, more particularly sulphur. The vulcanizates producible therefrom possess very good compression sets at room temperature, 100° c.
04/24/14
20140114025
Vulcanizable compositions based on nitrile rubbers containing epoxy groups
There are provided novel vulcanizable compositions based on optionally fully or partly hydrogenated nitrile rubbers containing epoxy groups, and specific crosslinkers, which no longer require use of conventional crosslinkers, more particularly sulphur. The vulcanizates producible therefrom possess very good compression sets at room temperature, 100° c.
04/24/14
20140113070
Primer for improving the adhesion of adhesive tapes on plastics and metals which are difficult to bond
Primer comprising a mixture, dissolved or dispersed in one or more solvents, of i) a pressure sensitive adhesive obtained by copolymerization of a) at least one acrylic ester of a linear primary alcohol, b) at least on acrylic ester of a branched, acyclic alcohol, and d) acrylic acid, ii) at least one thermal crosslinker, and iii) at least one chlorinated polyolefin.. .
04/17/14
20140102707
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.
04/03/14
20140093668
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..
03/27/14
20140088252
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.
03/27/14
20140087294
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.
03/20/14
20140076565
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..
03/20/14
20140076563
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.
03/13/14
20140073538
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..
02/27/14
20140054497
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.. .
02/20/14
20140050689
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.
02/20/14
20140048260
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.
02/13/14
20140045683
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..
02/13/14
20140041893
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.
02/06/14
20140037748
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.
01/30/14
20140031750
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.
01/30/14
20140030165
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.. .
01/02/14
20140005430
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.
01/02/14
20140005081
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.. .
12/26/13
20130340828
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.. .
12/19/13
20130338342
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.
12/19/13
20130338326
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.
12/19/13
20130337204
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..
12/19/13
20130337185
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.
12/19/13
20130337065
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.
12/05/13
20130325061
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.
12/05/13
20130323631
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.. .
12/05/13
20130319670
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.
11/21/13
20130309689
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..
11/14/13
20130303759
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..


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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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