| CYTEC TECHNOLOGY CORP. Patent applications |
| Patent application number | Title | Published |
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| 20120125862 | USE OF SILICON-CONTAINING POLYMERS TO IMPROVE RED MUD FLOCCULATION IN THE BAYER PROCESS - The suspended solids content of a Bayer process stream is reduced by contacting the stream with silicon-containing polymers. | 05-24-2012 |
| 20120118109 | PHENOXYPYRAZOLE COMPOSITION AND PROCESS FOR THE SOLVENT EXTRACTION OF METALS - Methods for extracting metals from aqueous solutions, by contacting an aqueous solution containing a dissolved metal with a solvent extraction composition having a water-immiscible organic solvent; and a metal extractant compound according to Formula (1) | 05-17-2012 |
| 20120115388 | COMPATIBLE CARRIER FOR SECONDARY TOUGHENING - Embodiments of the invention are directed to carriers providing a primary toughening function and incorporating a secondary toughening agent therein. According to embodiments of the invention, the carrier/agent combination may be used in liquid resin infusion applications. The carrier may be any polymer-based material having a solubility characteristic in a thermosetting resin. The secondary toughening agent may be of a material such as a thermoplastic, a thermoset, a cross-linked thermoset, a rubber, a rubbery-like material or a combination thereof and may be in the form of a particle, a micro-fiber (fibril) or a fibrous network. In some embodiments, the carrier is soluble in the resin while the secondary toughening agent is insoluble in the resin when subjected to a cure cycle. | 05-10-2012 |
| 20120107560 | TARGETED DEPOSITION OF PARTICLES USED IN THE MANUFACTURE OF COMPOSITE ARTICLES - Embodiments of the present disclosure are directed to the targeted deposition of particles below 100 microns onto a substrate such as a film, tape, adhesive, fabric, fibers or a combination thereof. The targeted deposition may be accomplished by a dual-component electro-static deposition process. In one embodiment, the substrate having at least one layer of particles thereon may be combined with a prepreg. Prepregs manufactured according to embodiments of the invention may be used to manufacture composites with more robust mechanical and strength characteristics relative to conventional composites manufactured using conventional prepregs in addition to providing improved processed performance during the manufacture of the particle-coated substrate. In another embodiment, targeted deposition may be applied directly to a composite article to achieve similar benefits. | 05-03-2012 |
| 20120103916 | USE OF SILICON-CONTAINING POLYMERS FOR IMPROVED FLOCCULATION OF SOLIDS IN PROCESSES FOR THE PRODUCTION OF ALUMINA FROM BAUXITE - The suspended solids content of a process stream in a process for digesting bauxite ore to produce alumina is reduced by contacting the stream with silicon-containing polymers. | 05-03-2012 |
| 20120102678 | APPARATUS AND METHODS FOR SPREADING FIBER BUNDLES FOR THE CONTINUOUS PRODUCTION OF PREPREG - Apparatus for producing spread fiber bundles by strategic use of tension control throughout the device and use of higher differential speeds between driven rollers and line speed of the running fiber bundle are provided herein, along with methods for producing spread fibers, prepregs, and articles of manufacture therefrom. | 05-03-2012 |
| 20120064283 | COMPOSITE MATERIALS AND THEIR USE - A composite material comprising the following components:
| 03-15-2012 |
| 20120001115 | PROCESS AND MAGNETIC REAGENT FOR THE REMOVAL OF IMPURITIES FROM MINERALS - A magnetic reagent contains magnetic microparticles and a compound of the formula (I) as defined herein. The magnetic reagent may be used in a magnetic separation process for the removal of impurities from mineral substrates. | 01-05-2012 |
| 20110220581 | HYDROPHOBICALLY MODIFIED POLYAMINE SCALE INHIBITORS - Hydrophobically modified Si-containing polyamines are useful for treating scale in industrial process streams. Preferred hydrophobically modified Si-containing polyamines are particularly useful for treating aluminosilicate scale in difficult-to-treat industrial process streams, such as in the Bayer alumina process streams, nuclear waste streams and kraft paper mill effluent streams. | 09-15-2011 |
| 20110159764 | METHODS OF IMPARTING CONDUCTIVITY TO MATERIALS USED IN COMPOSITE ARTICLE FABRICATION & MATERIALS THEREOF - Embodiments of the invention are directed to metal- or metal alloy-coated sheet materials (hereinafter, “metal-coated sheet material”) including, but not limited to, fabrics and veils which have a metal content of between one (1) and fifty (50) grams per square meter (gsm). The metal-coated sheet materials may be used as-is or in conjunction with prepregs, adhesives or surfacing films to provide lightning strike protection (LSP) and/or bulk conductivity, among other benefits, to the resultant composite article. In one embodiment, the metal-coated sheet material is impregnated with a resin. According to embodiments of the invention, a metal is applied to one or two sides of the fabric or veil by a physical vapor deposition coating process. The resultant metal-coated fabric or veil may be used as a carrier in surfacing films to impart surface conductivity; may be used as a carrier in adhesives to form conductive adhesive-bonded joints; may be interleaved (one or more metal-coated veils) between layers of prepreg to impart surface and/or bulk conductivity as well as toughness; or may be used to fabricate composite articles. | 06-30-2011 |
| 20110152469 | MULTIFUNCTIONAL ADDITIVES IN ENGINEERING THERMOPLASTICS - A toughening agent for use in making composites comprises an epoxy curing agent and a thermoplastic. Compositions, composites that comprise the toughening agent and associated methods of making and using the toughening agent are also disclosed. | 06-23-2011 |
| 20110151232 | Modified Resin Systems for Liquid Resin Infusion Applications & Process Methods Related Thereto - Embodiments of the invention are directed to modified resin systems for use in liquid resin infusion (LRI) processes, variations of LRI processes and other suitable processes. In one embodiment, the modified resin system includes a novel combination of at least one base resin, an amount of particles within a predetermined range and an amount of thermoplastic material within a predetermined range wherein, when combined, the modified resin system has an average viscosity below a threshold average viscosity at a specific temperature and a high level of toughness. The modified resin system may additionally include a curing agent and other suitable components. The modified resin system has been experimentally shown to exhibit a unique, controllable and constant morphology which may be at least partially responsible for imparting a required toughness and damage resistance to a finished composite without adversely impacting properties such as viscosity, potlife, cure temperature, glass transition temperature or tensile modulus of the modified resin system. | 06-23-2011 |
| 20110140037 | METHODS AND COMPOSITIONS FOR THE REMOVAL OF IMPURITIES FROM AN IMPURITY-LOADED ORGANIC SALT - Methods of removing impurities from an impurity-loaded organic salt solution by intermixing the impurity-loaded organic salt solution with a stripping solution to form a biphasic mixture, wherein the intermixing effectively reduces the concentration of impurities in the impurity-loaded organic salt, thereby removing impurities from the organic salt and forming an impurity-reduced organic salt solution phase and a stripping solution phase are provided herein. | 06-16-2011 |
| 20110097575 | Thermoplastic Composites and Methods of Making and Using Same - Thermoplastic composites having a core composite layer including a fibrous substrate and one or more high performance polymer, and a surface layer polymer applied to at least one surface of the core composite layer, which forms a polymer blend with the high performance polymer thereby imparting improved toughness and processing times, and methods for making and using same, are provided herein. | 04-28-2011 |
| 20110076219 | PREVENTING OR REDUCING SCALE IN WET-PROCESS PHOSPHORIC ACID PRODUCTION - Methods for preventing or reducing the formation of scale in a wet-process phosphoric acid production process by intermixing a water-soluble functional organic reagent with a phosphoric acid at one or more step of the phosphoric acid production process in an amount sufficient to prevent or reduce at least one species of scale are provided. | 03-31-2011 |
| 20110076218 | Process and Reagents for the Inhibition or Reduction of Scale Formation During Phosphoric Acid Production - Processes and reagents for inhibiting or eliminating scale formation during wet-process phosphoric acid production are provided and include adding to a wet-process phosphoric acid production stream a scale inhibiting amount of a reagent having an aliphatic or aromatic compound containing at least two hydroxy groups, and at least one amine. | 03-31-2011 |
| 20110070379 | LIGHT AND UV STABILISERS - A light stabiliser AS comprising a surface-active or amphiphilic part A which leads to migration of the stabiliser to the surface of a material during the process of formation of a surface, and solidification of the material, and a stabilising part S which is the photochemically active ingredient and transforms the energy of the incident light to vibrational or heat energy that is dissipated within the material, characterised in that both parts are connected by a chemical bond in the form of a single or multiple bond or of an at least divalent bridging group | 03-24-2011 |
| 20110048637 | HIGH PERFORMANCE ADHESIVE COMPOSITIONS - Thermosetting adhesive compositions formed from an epoxy resin containing nano-sized core-shell particles, one or more thermoplastic toughening agent containing an amine-terminated polyethersulfone, and at least one multi-functional epoxy resin, together with at least one amine curing agent to allow full cure of the adhesive composition up to 400° F. are provided herein. Such compositions are useful for forming adhesive films that can bond composite/metal/honeycomb structures for aerospace including bonding of aircraft leading or trailing edges, acoustic nacelle structures, horizontal and vertical tail, and various other structures, as well as for other high performance industrial applications. | 03-03-2011 |
| 20110005354 | PROCESSES FOR RECOVERING METALS FROM AQUEOUS SOLUTIONS - Provided herein are processes for recovering molybdenum and/or other value metals (e.g., uranium) present in aqueous solutions from a large range of concentrations: from ppm to grams per liter via a solvent extraction process by extracting the molybdenum and/or other value metal from the aqueous solution by contacting it with an organic phase solution containing a phosphinic acid, stripping the molybdenum and/or other value metal from the organic phase solution by contacting it with an aqueous phase strip solution containing an inorganic compound and having a ≦1.0 M concentration of free ammonia, and recovering the molybdenum and/or other value metal by separating it from the aqueous phase strip solution. When the molybdenum and/or other value metal are present only in low concentration, the processes can include an organic phase recycle step and/or an aqueous phase strip recycle step in order to concentrate the metal prior to recover. | 01-13-2011 |
| 20100305274 | PARTICLE-TOUGHENED POLYMER COMPOSITIONS - Particle-toughened polymer compositions include a base polymer formulation and a plurality of toughening particles. In certain embodiments, the base polymer formulation includes bismaleimides or other polymer resins capable of high temperature service. A first plurality of toughening particles may include core shell rubbers. A second plurality of toughening particles may be selected from a variety of polymer compositions, including polyimides, polyether ketone (PEK), polyether ether ketone (PEEK), polyether ketone ketone (PEKK), polyether imide, polyether sulfones, and polyphenylene oxide. It is found that increasing concentration of the core shell rubbers may improve the toughness of the composition while preserving thermal properties of the composition, such as glass transition temperature. | 12-02-2010 |
| 20100305239 | ENGINEERED CROSS-LINKED THERMOPLASTIC PARTICLES FOR INTERLAMINAR TOUGHENING - Thermoplastic polymer particles directly cross-linked together or cross-linked via a separate and independent polymer network to form an inter-penetrating network are disclosed herein, along with methods of manufacturing and use as interleaf tougheners of pre-pregs and composite articles. | 12-02-2010 |
| 20100304119 | PARTICLE-TOUGHENED FIBER-REINFORCED POLYMER COMPOSITES - Particle toughened, fiber-reinforced composites include a fiber region and an interlayer region between the fibers. The fiber region includes a plurality of fibers at least partially within a first polymer composition including a first base polymer formulation and a first plurality of toughening particles. The interlayer region includes a second polymer composition including a second base polymer formulation and at least one of the first plurality of toughening particles and a second plurality of toughening particles. Examples of first and second pluralities of toughening particles, respectively, may include core shell rubbers and polyimides. Increasing concentration of the first plurality of toughening particles may improve the composite toughness while preserving thermal properties of the composite, such as weight loss after extended duration exposure to elevated temperature. It is further discovered that the relative placement of the toughening particles influences composite mechanical properties, such as compression after impact (CAI) strength. | 12-02-2010 |
| 20100304118 | ENGINEERED CROSSLINKED THERMOPLASTIC PARTICLES FOR INTERLAMINAR TOUGHENING - Engineered crosslinked thermoplastic particles are useful for interlaminar toughening of pre-pregs and composite materials. | 12-02-2010 |
| 20100297356 | PROCESS FOR THE PREPARATION OF A CROSSLINKER COMPOSITION - This invention is directed to a process for the preparation of a crosslinker composition, comprising the steps of providing a mixture of an aliphatic alcohol A having at least one hydroxyl group and from 1 to 10 carbon atoms, with at least one multifunctional aldehyde C having at least two aldehyde groups —CHO to form a mixture AC, heating the mixture AC to convert at least a part of the multifunctional aldehyde C to its hemiacetal or to its acetal to form a mixture (AC)′, adding to the mixture (AC)′ least one cyclic urea U or the educts to produce the said cyclic urea U in situ, which cyclic urea U has at least one unsubstituted >NH group, and reacting the mixture thus obtained to form a chemical bond between the nitrogen atom of the at least one unsubstituted >NH group of the at least one cyclic urea U5 and the carbon atom of the least one aldehyde group —CHO of the multifunctional aldehyde C, and coating compositions comprising the said crosslinker composition. | 11-25-2010 |
| 20100247922 | Water Based Non-Chromated Primers for Structural Bonding Applications - Non-chromated corrosion inhibiting primer formulations having one or more active corrosion inhibitors covalently anchored, or optionally covalently anchored, onto an organic and/or inorganic reactive specie are provided herein. | 09-30-2010 |
| 20100222461 | EPOXY COMPOSITIONS WITH IMPROVED MECHANICAL PERFORMANCE - Polymer compositions capable of a high degree of curing at relatively low temperatures, and prepregs, adhesives, films and composites formed therefrom are discussed. The polymer compositions include epoxy resin systems and a dual curing system including one or more curing agents containing one or more hydrazine-based curing agents having hydrazine functional groups and one or more amine-based curing agents containing one or more amine functional groups. The hydrazine-amine curing systems enable the polymer composition to achieve elevated levels of gelation or degree of cure at lower temperatures than are achievable with amine functional curing agents alone. Furthermore, this elevated degree of curing of the polymer composition may be achieved with substantially no reduction in tack life and/or out life of the prepreg, adhesive or film or cured state mechanical properties of composites, adhesives or other products fabricated therefrom, such as open hole compression strength and compressive strength after impact. The glass transition temperature of the cured polymer compositions is similarly unaffected. | 09-02-2010 |
| 20100209690 | CO-CURABLE, CONDUCTIVE SURFACING FILMS FOR LIGHTNING STRIKE AND ELECTROMAGNETIC INTERFERENCE SHIELDING OF THERMOSET COMPOSITE MATERIALS - Embodiments of the present disclosure present electrically conductive, thermosetting compositions for use in surfacing films and adhesives. The surfacing films possess enhanced electrical conductivity, comparable to metals, without the use of embedded metal screens or foils. Such surfacing films may be incorporated into composite structures (e.g., prepregs, tapes, and fabrics), for example, by co-curing, as an outermost surface layer. In particular, compositions formed using silver flakes as conductive fillers are found to exhibit very high electrical conductivity. For example, compositions including greater than 45 wt. % silver flake exhibit resistivities less than about 55 mΩ/sq. In this manner, the surfacing films as an outermost conductive layer may provide lighting strike protection (LSP) and electromagnetic interference (EMI) shielding when used in applications such as aircraft components. | 08-19-2010 |
| 20100120995 | SILANE SUBSTITUTED POLYALKYLENE OXIDE REAGENTS AND METHODS OF USING FOR PREVENTING OR REDUCING ALUMINOSILICATE SCALE IN INDUSTRIAL PROCESSES - Materials and methods are provided whereby polymers with least 0.5 mole % of the pendant group or end group containing —Si(OR″) | 05-13-2010 |
| 20100116750 | SILANE SUBSTITUTED POLYALKYLENE OXIDE REAGENTS AND METHODS OF USING FOR PREVENTING OR REDUCIN ALUMINOSILICATE SCALE IN INDUSTRIAL PROCESSES - Materials and methods are provided whereby polymers with least 0.5 mole % of the pendant group or end group containing —Si(OR″) | 05-13-2010 |
| 20090149581 | STABILIZER COMPOSITIONS - Stabilizer compositions comprise phosphate of the formula (I) or (II), a phosphite of the formula (III), and a phenol of the formula (IV) as these formulas are defined herein. The stabilizer compositions are useful for stabilizing polymers. Methods for making stabilized polymer compositions involve intermixing the stabilizer compositions and the polymers, e.g., by extruding, pelletizing, and/or molding. | 06-11-2009 |
