| Entries |
| Document | Title | Date |
|---|
| 20080200619 | Method for Producing a Storage-Stable and Colorless Liquid Polyisocyanate Composition Possessing Carbodiimide and/or Uretonimine Groups - Method for producing a storage-stable and colorless liquid polyisocyanate composition possessing carbodiimide and/or uretonimine groups comprising the steps of a) condensing a polyisocyanate in the presence of a catalyst selected from the group consisting of phospholenes, phospholidines and/or their oxides, and b) stopping the condensation by adding adipoylchloride as catalyst killer. | 08-21-2008 |
| 20090023870 | Method of Pultrusion Employing Multiple Resins - There is provided a method of pultrusion using multiple resins. In the method a continuous interior reinforcement layer and a continuous exterior reinforcement layer are supplied and the interior reinforcement layer is infused with a first resin and then combined with the exterior reinforcement layer to form a pultrusion reinforcement structure. The pultrusion reinforcement structure passes into an infusion die where a second resin infuses the exterior reinforcement layer, and then passes into a curing die to cure the resins and form a composite article. The second resin comprises an aliphatic isocyanate polyurethane resin with a greater concentration of aliphatic isocyanate than is present in the first resin to give the composite article superior UV resistance. A pultruded composite article produced by the pultrusion method is also provided. | 01-22-2009 |
| 20090099320 | LASER-DECOMPOSABLE RESIN COMPOSITION AND LASER-DECOMPOSABLE PATTERN-FORMING MATERIAL AND FLEXOGRAPHIC PRINTING PLATE PRECURSOR OF LASER ENGRAVING TYPE USING THE SAME - A laser-decomposable resin composition of the invention contains a polyurethane resin having a structure wherein an aromatic group is directly connected to a urethane bond. | 04-16-2009 |
| 20090124764 | NON-IONICALLY HYDROPHILISED BINDING-AGENT DISPERISIONS - The present invention relates to aqueous non-ionically hydrophilised binding-agent dispersions based on polyurethane ureas with terminal polyethylene-oxide groups, to the preparation thereof, and to the use thereof for producing coatings. | 05-14-2009 |
| 20090131603 | HIGHLY CROSSLINKABLE LOW-VISCOSITY POLYISOCYANATE COMPOSITION AND COATING COMPOSITION CONTAINING SAME - Disclosed is a polyisocyanate composition derived from an aliphatic diisocyanate monomer and an alcohol, which satisfies all the conditions below in a state not containing the aliphatic diisocyanate monomer and a solvent. 1) Isocyanurate trimer concentration: 55-95 mass % 2) Number ratio of allophanate groups derived from the alcohol to isocyanurate groups: 1-20% 3) Urethodione dimmer concentration: 2-25 mass % 4) Viscosity at 25° C.: 150-800 mPa·s | 05-21-2009 |
| 20090131604 | SHAPE MEMORY COMPOSITES - The present invention concerns shape memory composites, methods of preparing same and the use of these composites, for example, for products prepared by injection moulding techniques or coating applications. | 05-21-2009 |
| 20090176945 | SULFUR-CONTAINING POLYURETHANE - Sulfur-containing polyurethane comprising the reaction product of:
| 07-09-2009 |
| 20090192274 | THERMOPLASTIC POLYURETHANES AND THEIR USE - Thermoplastic polyurethanes and molding compositions containing the same having improved surface resistance (writing and scratch resistance) and good industrial processability, and the use thereof, such polyurethanes prepared by reacting: (a) one or more organic diisocyanates; (b) a chain extender comprising at least one low molecular weight polyol having on average at least 1.8 and not more than 3.0 Zerewitinoff-active hydrogen atoms and a number-average molecular weight M | 07-30-2009 |
| 20090259001 | METHOD FOR PRODUCING POLYTHIOURETHANE RESIN - A process for producing a polythiourethane resin which comprises (A) a step of synthesizing a polythiol oligomer having disulfide bond by reaction of a polythiol compound having a functionality of two or greater and sulfur and (B) a step of bringing the polythiol oligomer obtained in step (A) and a compound having poly(thio)isocyanate groups into reaction with each other, wherein step (A) is conducted in the absence of solvents using no catalysts or a catalyst substantially inert to the compound having poly(thio)isocyanate groups. A polythiol oligomer exhibiting a greater refractive index than that of the polythiol compound having a functionality of two or greater used as the starting material is produced at a low cost, and a process for producing a practically useful polythiourethane resin exhibiting a stable great refractive index and a great Abbe number is provided. | 10-15-2009 |
| 20100048832 | Alkylated 4-Aminobenzyl-4-Aminocyclohexane - Alkylated 4-aminobenzyl-4-aminocyclohexane curing agents that can be used, for example, in polyurea, polyurethane and urea/urethane hybrid elastomeric, epoxy resin, epoxy adhesive, epoxy composites and/or coating compositions and polymeric compositions comprising these curing agents are provided herein. In one embodiment, the curing agent comprises a compound having the following Formula I: | 02-25-2010 |
| 20100048833 | Mixed Polycycloaliphatic Amines (MPCA) And MPCA Alkylates - Mixed polycycloaliphatic amines (MPCA) and alkylates thereof (MPCA alkylates), methods for making mixed polycycloaliphatic MPCA amines and MPCA alkylates thereof, as well as polymeric compositions, such as spray-applied polyurea coating compositions, comprising said mixed amines MPCA and MPCA alkylates thereof are described herein. In one embodiment, the polymeric composition comprises an isocyanate component, and a resin component comprising an organic compound having the following Formula I: | 02-25-2010 |
| 20100048834 | CABLE SHEATHING - Cable sheathing on the basis of thermoplastic polyurethane based on the reaction of (a) isocyanates with (b) diols, wherein the diol (b) is based on straight-chain or branched diols (i) having from 16 to 45 carbon atoms in an uninterrupted carbon skeleton. | 02-25-2010 |
| 20100130701 | SHOE PRESS BELT - The invention relates to a shoe press belt comprising an elastomer polymer having nanoparticles attached therewith through covalent bonds. | 05-27-2010 |
| 20100227985 | GRANULAR POLYURETHANE RESIN COMPOSITION AND MOLDED ARTICLE OF THE SAME - Disclosed is a granular polyurethane resin composition containing a thermoplastic polyurethane resin which contains a hard segment obtained by a reaction between a polyisocyanate and a chain extender. The polyisocyanate contains isocyanate groups of 1,4-bis(isocyanatomethyl)cyclohexane in an amount of not less than 50% by more relative to the total mole number of isocyanate groups. | 09-09-2010 |
| 20110009573 | Hydrosilylation Catalysts - Disclosed herein are manganese, iron, cobalt, or nickel complexes containing terdentate pyridine diimine ligands and their use as efficient and selective hydrosilylation catalysts. | 01-13-2011 |
| 20110028661 | HYBRID POLYURETHANE BLOCK COPOLYMERS WITH THERMOPLASTIC PROCESSABILITY AND THERMOSET PROPERTIES - Block copolymers are formulated with multifunctional chain extenders. The block copolymers include a soft segment and a hard segment made from a diisocyanate, an alkylene diamine chain extender, and a multifunctional chain extender which provides delayed crosslinking. The multifunctional chain extenders have a functionality and typically have at least one OH group. The multifunctional chain extenders may be aliphatic or aromatic triols or polyols, or may have other configurations, as described. The resulting block copolymers have improved mechanical properties such as compression set. They may be used in medical applications, or in industrial applications such as seal and gasket applications, including O-rings, window seals, and automotive gaskets. The initially-formed polyurethane resin behaves as a thermoplastic processable material, while the configured end-use product is thermoset. | 02-03-2011 |
| 20110046317 | POLYURETHANE ELASTOMER FIBERS AND AGENTS AND METHODS FOR PROCESSING SAME - A processing agent for processing urethane elastomer fibers contains a disperse medium of a specified kind having mineral oil as its principal component and a dispersoid of a specified kind including aliphatic ester compound. The disperse medium is 80-99.99% by mass and the dispersoid is 0.01-20% by mass for a total of 100% by mass. The average particle size of the dispersoid is prepared to be in the range of 0.01-500 μm as measured by a specified measuring method. | 02-24-2011 |
| 20110077363 | ANTIMICROBIAL COMPOSITION CONTAINING ANTIMICROBIALS COVALENTLY LINKED WITH POLYURETHANE-SILICA INTERPENETRATING NETWORK - The invention is directed to an antimicrobial composition obtainable by reacting in a first step at least one polyiso-cyanate A with at least one binder component B with at least two isocyanatereactive groups and at least one isocyanatereactive alkoxysilane C thus obtaining a polyurethane and subsequently hydrolysing the siloxy groups in the polyurethane in a second step in the presence of an antimicrobial agent Z which has a siloxy moiety and condensing the hydrolized siloxy groups resulting in the formation of a silica network covalently linked to a polyurethane and to the rest of the antimicrobial agent Z and the use of this composition as antimicrobial coating especially for interior applications. | 03-31-2011 |
| 20110237760 | Hydroxyl-Functionalised Polyurethane Hot Melt Prepolymer - The invention relates to hydroxyl-functionalised polyurethane hot melt prepolymers comprising the chemical reaction product of isocyanate-reactive starting materials with at least one isocyanate-containing starting material. Said prepolymers are characterised in that the isocyanate-reactive starting materials of the hydroxyl-functionalised polyurethane hot melt prepolymers have a polypropylene glycol with a functionality higher than two and a number-average molar mass higher than or equal to 3,000 g/mol, a polypropylene glycol with a functionality less than or equal to two and a number-average molar mass less than or equal to 1,000 g/mol, and a chain lengthener with a functionality less than or equal to 500 g/mol, and the isocyanate-containing starting material of the hydroxyl-functionalised polyurethane hot melt prepolymer has an aliphatic or alicyclic diisocyanate. | 09-29-2011 |
| 20120220736 | ALDIMINES AND COMPOSITIONS COMPRISING ALDIMINE - Aldimino containing compounds obtained from a reaction of aldimines of formula (I) with a compound that bears at least one reactive group that can enter into addition reactions with an HX group of an aldimine of formula I. The compounds containing aldimine groups can be used primarily in adhesive and sealant materials, but also in coatings, and can be produced easily from readily available source materials, and have good thermal stability. The tertiary amino group thereof has a surprisingly low alkalinity and can in some cases have a catalytic effect in chemical reaction systems. | 08-30-2012 |
| 20130059987 | Functionalized Silicon Carbide And Functionalized Inorganic Whiskers For Improving Abrasion Resistance Of Polymers - Inorganic particulate or whiskers are surface-treated to facilitate receptivity to covalent bonding with a coupling agent. Surface treatment forms reactive groups that enable the inorganic particulate or whiskers to covalently bond to a reactive group of the coupling agent. The coupling agent also contains organofunctional groups, which in some examples may be covalently bonded to a polymer matrix by way of crosslinking or by co-polymerizing the functionalized particulate or whiskers together with polymer precursors. The resulting polymeric materials exhibit markedly improved abrasion resistance as well as other improved properties. | 03-07-2013 |
| 20130079475 | ADHESIVE COMPOSITIONS FOR USE IN DIE ATTACH APPLICATIONS - Novel adhesive compositions that can be used in the die attach process. The adhesives include a curable resin component, a curing agent, and a block copolymer additive. The block copolymer additive has a glass transition temperature of at least about 40° C. The block copolymer additive improves the affinity of the adhesive composition to a hydrophilic substrate, such as a silicon wafer, during the die pickup process. Also disclosed is an assembly which includes a hydrophilic substrate and a layer of adhesive and methods of producing the assembly. | 03-28-2013 |
| 20130102737 | METHOD TO PRODUCE POLYUREA AND POLYURETHANE BY USING LIQUID PLANT OIL BASED POLYOL - A method of producing liquid polymeric polyols from epoxidized plant oils by ring-opening polymerization without a ring opening agent in an organic solvent in the presence of a catalyst to yield the desired polyols at room temperature. The properties of the polymeric polyols depend on the type of plant oil used as starting material. Typically, polymeric content of the purified plant oil based polyols ranges from 65% to 90%. The hydroxyl value and the acid value ranges from 30 to 90 mg KOH/g sample and 1 to 14 mg KOH/g sample respectively. The average molecular weight M | 04-25-2013 |
| 20130296503 | POST POLYMERIZATION CURE SHAPE MEMORY POLYMERS - This invention relates to chemical polymer compositions, methods of synthesis, and fabrication methods for devices regarding polymers capable of displaying shape memory behavior (SMPs) and which can first be polymerized to a linear or branched polymeric structure, having thermoplastic properties, subsequently processed into a device through processes typical of polymer melts, solutions, and dispersions and then crossed linked to a shape memory thermoset polymer retaining the processed shape. | 11-07-2013 |
| 20130338319 | PROCESS FOR PRODUCING PIGMENT DISPERSION COMPOSITION - A method for producing a pigment dispersion composition having excellent image density, dispersibility, and storage stability, has high resolubility, and forms an ink film having excellent marker resistance and scratch resistance. The method includes bringing a pigment (I) having a surface acidic group and a basic compound (II) having two or more amino groups selected from a primary amino group and a secondary amino group in its molecule, into contact with each other in an aqueous medium to prepare a pigment having an unreacted surface amino group, bringing the pigment into contact with a polyisocyanate polyurethane resin (III) having two or more isocyanate end groups so that the pigment and the polyisocyanate polyurethane resin are bonded via a urea bond to prepare a dispersion of a polyurethane resin-bonded pigment (A), and heating the dispersion of the polyurethane resin-bonded pigment (A) at 40 to 100° C. for 1 to 30 days. | 12-19-2013 |
| 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. Furthermore, the invention relates to a corresponding MDI dimer and also the use thereof as crosslinker for polyurethanes. | 05-15-2014 |
| 20140200315 | MICROENCAPSULATED CURING AGENT - A microencapsulated curing agent for use in curing a thermosetting resin is provided. The microencapsulated curing agent includes an organic peroxide curing agent and a polyurethane resin encapsulating the organic peroxide curing agent. The microencapsulated curing agent, when heated to 100° C. for 30 minutes, exhibits a loss of weight of no greater than 10 wt. %. Additionally, when heated to 140° C. for 5 minutes, the microencapsulated curing agent exhibits a loss of weight of at least 4 wt. %. | 07-17-2014 |
| 20140329975 | INTERPENETRATING DILATANT POLYMER NETWORK FOR IMPACT PROTECTION - An interpenetrating or semi interpenetrating polymer network comprises first and second network polymers, wherein at least the first network polymer comprises a rheopectic and/or a dilatant material. | 11-06-2014 |
| 20160009968 | Polyurethane Adhesive | 01-14-2016 |
