For Subsequent Solid Polymer Treatment Or Preparation; E.g., Crosslinking, Grafting, Curing, Hardening, Vulcanizing, Etc. Patents (Class 252/182.13)
  • Patent number: 8524807
    Abstract: Compounds VB of the formula (I) or (II), said compounds being particularly suitable as curing agents for epoxide resins. The compounds can be produced easily and rapidly. They can be used in the form of aqueous curing agents and form stabile aqueous emulsions in particular. This facilitates the formulation of ECC compounds for use primarily as coatings.
    Type: Grant
    Filed: June 12, 2009
    Date of Patent: September 3, 2013
    Assignee: Sika Technology AG
    Inventor: Pierre-André Bütikofer
  • Patent number: 8518547
    Abstract: The present invention provides curing agent compositions comprising alkylated polyalkylene polyamine compounds. Amine-epoxy compositions and articles produced from these amine-epoxy compositions are also disclosed.
    Type: Grant
    Filed: August 6, 2008
    Date of Patent: August 27, 2013
    Assignee: Air Products and Chemicals, Inc.
    Inventors: Gamini Ananda Vedage, Williams Rene Edouard Raymond, Peter Andrew Lucas, David Alan Dubowik
  • Patent number: 8512594
    Abstract: The present invention discloses both amine compositions and amine-epoxy compositions containing N,N?-dimethyl-meta-xylylenediamine. A novel process for producing amines such as N,N?-dimethyl-meta-xylylenediamine, and structurally similar amines, is also disclosed.
    Type: Grant
    Filed: August 25, 2008
    Date of Patent: August 20, 2013
    Assignee: Air Products and Chemicals, Inc.
    Inventors: Frederick Herbert Walker, Robert Marjo Theodoor Rasing, Gamini Ananda Vedage, Michael Ian Cook, Peter Andrew Lucas
  • Patent number: 8501033
    Abstract: The invention relates to a liquid radiation curable resin capable of curing into a solid upon irradiation comprising: (A) from about 0 to about 12 wt % of a cycloaliphatic epoxide having a linking ester group; (B) from about 30 to about 65 wt % of one or more epoxy functional components other than A; (C) from about 10 to about 30 wt % of one or more oxetanes; (D) from, about 1 to about 10 wt % of one or more polyols; (E) from about 2 to about 20 wt % of one or more radically curable (meth)acrylate components; (F) from about 2 to about 12 wt % of one or more impact modifiers; (G) from about 0.1 to about 8 wt % of one or more free radical photoinitiators; and (H) from about 0.1 to about 8 wt % of one or more cationic photoinitiators; wherein the liquid radiation curable resin has a viscosity at 30° C. of from about 600 cps to about 1300 cps.
    Type: Grant
    Filed: March 12, 2010
    Date of Patent: August 6, 2013
    Assignee: DSM IP Assets B.V.
    Inventors: John Southwell, Brett A. Register, Satyendra Kumar Sarmah, Paulus Antonius Maria Steeman, Beert Jacobus Keestra, Marcus Matheus Driessen
  • Publication number: 20130197114
    Abstract: A composition and process useful to make flexible polyurethane foams and in particular flexible molded polyurethane foams is disclosed. The usage of dipolar aprotic liquids such as DMSO, DMI, sulfolane, N-methyl-acetoacetamide, N,N-dimethylacetoacetamide as well as glycols containing hydroxyl numbers OH#?1100 as cell opening aides for 2-cyanoacetamide or other similar molecules containing active methylene or methine groups to make a polyurethane foam is also disclosed. The advantage of using cell opener aids results in a) no foam shrinkage; b) lower use levels of cell opener; c) foam performance reproducibility d) optimum physical properties. In addition, combining the acid blocked amine catalyst together with the cell opener and the cell opener aid results in a less corrosive mixture as well as provides a method that does not require mechanical crushing for cell opening.
    Type: Application
    Filed: June 27, 2012
    Publication date: August 1, 2013
    Applicant: Air Products and Chemicals, Inc.
    Inventors: Juan Jesus Burdeniuc, James Douglas Tobias, Renee Jo Keller
  • Publication number: 20130165548
    Abstract: Sizing compositions to size fibers or particles used in plastic composites are described. The compositions may include a solution with a polymerization compound selected from: (a) at least one non-isocyanate-containing polymerization initiator (PI) for initiating the polymerization of caprolactam monomers; or (b) at least one precursor for a non-isocyanate-containing PI for initiating the polymerization of caprolactam monomers. Methods of making the sizing the composition, as well as methods of making reinforced thermoplastic composites from sized fibers or particles, are also described.
    Type: Application
    Filed: December 22, 2011
    Publication date: June 27, 2013
    Inventors: Rajappa Tadepalli, Kiarash Alavi Shooshtari, Jawed Asrar, Klaus Friedrich Gleich
  • Patent number: 8460574
    Abstract: An antistatic adhesive composition, an adhesive film produced using the same, a method for producing the adhesive film, and a method of fabricating a liquid crystal display, the antistatic adhesive composition including 100 parts by weight of a (meth)acrylic adhesive resin, the resin having functional groups capable of bonding with a cross-linking agent, about 0.01 to about 15 parts by weight of a cross-linking agent, and about 0.1 to about 10 parts by weight of a quaternary ammonium salt, the quaternary ammonium salt being obtained by reacting an amine having two or more terminal hydroxyalkyl groups with one of an organic or inorganic acid.
    Type: Grant
    Filed: December 29, 2009
    Date of Patent: June 11, 2013
    Assignee: Cheil Industries, Inc.
    Inventor: Eun Hwan Jeong
  • Patent number: 8436105
    Abstract: The invention relates to a composition that can be thermally cured, containing relative to the total composition, a) 5 to 90% by weight of a diene-based polymer or copolymer containing an olefinic double bond and/or an aromatically substituted olefin, wherein the polymer or copolymer is liquid, or paste-like, at 22° C. and has a glass transition temperature between ?30° C. and +15° C., measured according to a DSC method; b) a vulcanization system selected from the group consisting of: b1) sulfur, and one or more accelerator(s), b2) peroxidic or disulfidic vulcanization systems, b3) quinones, quinone dioximes, or dinitrosobenzene.
    Type: Grant
    Filed: November 29, 2011
    Date of Patent: May 7, 2013
    Assignee: Henkel AG & Co. KGaA
    Inventors: Rainer Kohlstrung, Takehito Yamada
  • Patent number: 8431716
    Abstract: The invention relates to special (methyl)acrylaic monomers and concerns more particularly an enhanced process for preparing solutions of alkylimiozolidone (meth)acrylates in water solutions of alkylimidazolidone (meth)acrylates in a light (meth)acrylate.
    Type: Grant
    Filed: April 8, 2009
    Date of Patent: April 30, 2013
    Assignee: Arkema France
    Inventors: Alain Riondel, Jean-Michel Paul
  • Publication number: 20130102756
    Abstract: A curable resin comprising a compound having the structure (I): wherein each carbon 2, together with either its carbon 1 or carbon 3, arc members of a fused cycloaliphatic ring, and when carbon 1 is a member of the ring so is N, and wherein each of the aliphatic or aromatic ring-member carbons may either be members of further fused cycloaliphatic rings or be bonded to a group selected from H or linear or branched C1 to C5 alkyl.
    Type: Application
    Filed: March 21, 2011
    Publication date: April 25, 2013
    Applicant: HEXCEL COMPOSITES LIMITED
    Inventor: John Cawse
  • Publication number: 20130072729
    Abstract: Methods and compositions are provided for inhibiting the polymerization of a vinyl aromatic monomer, such as styrene monomer, during elevated temperature processing or distillation thereof. The compositions comprise an inhibitor combination of (A) a hydroxylamine and (B) a stable free radical plus a retarder that is either; (C) dinitrobutylphenol or (D) quinone methide. The ratio of (A) to (B) ranges from about 5% (A) to 95% (B) to about 95% (A) to about 5% (B). The compositions are added to the vinyl aromatic monomer in amounts sufficient to prevent polymerization during the distillation process. Typically the inhibitor combination is added to the vinyl aromatic monomer in an amount ranging from about 10 to 150 ppm of the monomer. Retarders are typically added in an amount ranging from 50 to 1500 ppm of the vinyl aromatic monomer.
    Type: Application
    Filed: September 16, 2011
    Publication date: March 21, 2013
    Applicant: GENERAL ELECTRIC COMPANY
    Inventors: John Link, Mike Hong
  • Patent number: 8388859
    Abstract: A composition comprising a blocked and/or unblocked isocyanate compound and surface-modified nanoscale solid particles that comprise on the surface thereof organic radicals which comprise groups with an active hydrogen or precursors of such groups.
    Type: Grant
    Filed: December 5, 2005
    Date of Patent: March 5, 2013
    Assignee: Leibniz-Institut fuer Neue Materialien Gemeinnuetzige GmbH
    Inventors: Carsten Becker-Willinger, Martin Kluke, Helmut Schmidt
  • Publication number: 20130040060
    Abstract: A liquid methylenedianiline product is disclosed. The product is produced by reacting aniline and ethylaniline with formaldehyde with an amine to formaldehyde ratio greater than about 2:1. The resulting reaction product is a liquid mixture of methylenedianiline, monoethyl methylenedianiline, and diethyl methylenedianiline having a viscosity of less than about 1000 cps at 40° C.
    Type: Application
    Filed: August 12, 2011
    Publication date: February 14, 2013
    Applicant: AIR PRODUCTS AND CHEMICALS, INC.
    Inventors: Gauri Sankar Lal, Kristen Elaine Minnich, Pritesh G. Patel, Gamini Ananda Vedage, Garret C. Lau
  • Patent number: 8349039
    Abstract: Processes are provided for capturing and recycling carbonaceous fines generated during a gasification process. In particular, the recycled fines are processed into a particulate composition which is useable as a carbonaceous feedstock and is conversion into a gas stream comprising methane.
    Type: Grant
    Filed: February 27, 2009
    Date of Patent: January 8, 2013
    Assignee: GreatPoint Energy, Inc.
    Inventor: Earl T. Robinson
  • Patent number: 8344041
    Abstract: A novel monomer, 1,1,1-tri-[4-(methacryloxyethylaminocarbonyloxy)-phenyl]ethane (MPE) can be used in preparing dental compositions The MPE monomer can be combined into a dental adhesive with hydroxyethyl methacrylate (HEMA) and BisGMA (bisphenol A dimethacrylate). The MPE polymer can be polymerized with a photoinitiator system, such as a system that includes an iodonium salt. The iodonium salt can be diphenyliodonium hexafluorophosphate.
    Type: Grant
    Filed: March 31, 2009
    Date of Patent: January 1, 2013
    Assignee: University of Kansas
    Inventors: Jonggu Park, Paulette Spencer, Elizabeth Murphy Topp, Qiang Ye
  • Publication number: 20120329973
    Abstract: The present invention discloses an initiating system for cationic polymerization and a polymerization process. The present application relates to an initiating system for cationic polymerization of cationic-polymerizable monomers, and a process for cationic polymerization of cationic-polymerizable monomers by using the initiating system. The present invention particular involves an initiating system for cationic polymerization of cationic-polymerizable monomers in an aqueous reaction medium, and a process for cationic polymerization of cationic-polymerizable monomers by using the initiating system in an aqueous reaction medium.
    Type: Application
    Filed: September 21, 2010
    Publication date: December 27, 2012
    Inventors: Yixian Wu, Qiang Huang, Han Zhou, Ruting Jin, Ping He
  • Patent number: 8334360
    Abstract: A structured organic film comprising a plurality of segments and a plurality of linkers arranged as a covalent organic framework, wherein the structured organic film may be a multi-segment thick structured organic film.
    Type: Grant
    Filed: December 9, 2011
    Date of Patent: December 18, 2012
    Assignee: Xerox Corporation
    Inventors: Matthew A. Heuft, Adrien Pierre Cote, Kathy L. De Jong
  • Publication number: 20120295998
    Abstract: A cellular material. The cellular material can be the reaction product of a vegetable-based polyol made from a vegetable oil exposed to ultraviolet (UV) light, wherein a free radical oxidation reaction is catalyzed by the UV light and the vegetable oil is converted into the vegetable-based polyol; and an isocyanate.
    Type: Application
    Filed: June 29, 2012
    Publication date: November 22, 2012
    Applicant: FORD GLOBAL TECHNOLOGIES, LLC
    Inventors: Christine Perry, Cynthia Flanigan, Deborah Mielewski
  • Patent number: 8304469
    Abstract: A highly heat-conductive epoxy resin composition, which comprises epoxy resin in a liquid state at room temperature, a latent curing agent, a highly heat-conductive filler, and a non-ionic surfactant, where preferably the latent curing agent is mixed with a portion of the epoxy resin in a liquid state at room temperature to form a master batch, can keep a relatively low viscosity, even if a large amount of the filler is contained, and can be cured at a relatively low temperature for a short time, and has a distinguished storage stability as one-component composition.
    Type: Grant
    Filed: June 2, 2009
    Date of Patent: November 6, 2012
    Assignee: Yokohama Rubber Co., Ltd.
    Inventors: Kazushi Kimura, Takahiro Okamatsu
  • Publication number: 20120277385
    Abstract: Catalyst deactivating agents and compositions containing catalyst deactivating agents are disclosed. These catalyst deactivating agents can be used in methods of controlling polymerization reactions, methods of terminating polymerization reactions, methods of operating polymerization reactors, and methods of transitioning between catalyst systems.
    Type: Application
    Filed: April 28, 2011
    Publication date: November 1, 2012
    Applicant: CHEVRON PHILLIPS CHEMICAL COMPANY LP
    Inventors: QING YANG, Max P. McDaniel, Tony R. Crain, Kathy S. Collins
  • Publication number: 20120261625
    Abstract: The present invention relates to a stabilized monomer dispersion containing inorganic oxide nanoparticles with high refractive index in which the refractive index of the inorganic oxide nanoparticles is greater than 1.65 and the average particle size of the high refractive inorganic oxide nanoparticles ranges from 1 to 100 nm and its content is in a range of from 1.0% by weight to 10.0% by weight based on the total weight of the monomer dispersion. The present invention also relates to a process for preparing the stabilized monomer dispersion containing high refractive inorganic oxide nanoparticles.
    Type: Application
    Filed: January 25, 2012
    Publication date: October 18, 2012
    Inventors: Wen-Yen CHIU, I-Ann Lei, Dai-Fu Lai, Wen-Chang Chen, Yang-Yen Yu, Guey-Sheng Liou, Trong-Ming Don
  • Patent number: 8283322
    Abstract: Improved methods and compositions for the treatment of native tissues with crosslinkers are provided. The methods and compositions will find particular use in increasing resistance to tearing, fissuring, rupturing, and/or delamination.
    Type: Grant
    Filed: July 1, 2009
    Date of Patent: October 9, 2012
    Assignee: Orthopeutics, LP
    Inventors: Paul Slusarewicz, Thomas P. Hedman
  • Patent number: 8236739
    Abstract: A cross-linking composition which comprises (a) an aqueous liquid, (b) a cross-linkable organic polymer, and (c) a solution comprising a zirconium cross-linking agent which comprises a zirconium complex having a molar ratio of 1:2 to 1:4 of zirconium to triethanolamine and a molar ratio of 1:0.1 to 1:1 of zirconium to N,N,N?,N?-tetrakis-(2-hydroxypropyl)-ethylene diamine. The composition can be used in oil field applications for hydraulic fracturing and plugging of permeable zones and leaks in subterranean formations.
    Type: Grant
    Filed: March 30, 2007
    Date of Patent: August 7, 2012
    Assignee: Dork Ketal Speciality Catalysts, LLC
    Inventor: Donald Edward Putzig
  • Publication number: 20120190787
    Abstract: Reactive system comprising at least one component (I) composed of particles in very finely divided form present in a liquid phase of at least one further component (II) with which component (I) is capable of reacting following activation through energy supply, wherein component (I) is not soluble in component (II), process for preparation and use.
    Type: Application
    Filed: July 6, 2010
    Publication date: July 26, 2012
    Applicant: Elantas GmbH
    Inventors: Klaus-Wilhelm Lienert, Sabine Voedisch, Majdi Al-Masri, Michael Berkei, Janin Tecklenburg, Thomas Sawitowski
  • Patent number: 8222457
    Abstract: A coordination compound of an element of the boron group, the production of the compound and methods of using the compound as an additive, stabilizer, catalyst, co-catalyst, activator for catalyst systems, conductivity improver, and electrolyte.
    Type: Grant
    Filed: November 19, 2007
    Date of Patent: July 17, 2012
    Assignee: Chemetall GmbH
    Inventors: Wolfram Lerner, Jens Röder, Hannes Vitze, Matthias Wagner, Ulrich Wietelmann
  • Patent number: 8211330
    Abstract: A latent epoxy resin curing agent is provided which can be manufactured without using an amphiphilic polymer compound requiring a painful trial and error selection process, exhibits excellent solvent resistance and low-temperature fast-curing ability, and contains an imidazole-based compound as a main component. In the latent epoxy resin curing agent containing the imidazole-based compound as a main component, the adduct particles of the epoxy-based compound and the imidazole-based compound are coated with an ethyl cellulose film, and the surface thereof is crosslinked with a polyfunctional isocyanate compound. The epoxy-based compound, the imidazole-based compound, and ethyl cellulose are dissolved in a predetermined saturated hydrocarbon-based solvent under stirring and heating. Then, the epoxy-based compound and the imidazole-based compound are subjected to adduct reaction to obtain a slurry of the adduct.
    Type: Grant
    Filed: March 27, 2008
    Date of Patent: July 3, 2012
    Assignee: Sony Chemical & Information Device Corporation
    Inventors: Daisuke Masuko, Katsuhiko Komuro, Masahiko Ito, Tadasu Kawashima
  • Patent number: 8202964
    Abstract: An initiator for cationic polymerization comprises a salt of a protic acid as well as a protic acid. The molar ratio of protic acid to salt is in the range from 1:0.01 to 1:2000. The initiator is used for example for cationic homo- or copolymerization of trioxane, and permits stable and flexible operation of the polymerization.
    Type: Grant
    Filed: March 8, 2011
    Date of Patent: June 19, 2012
    Assignee: Ticona GmbH
    Inventors: Michael Hoffmockel, Michael Haubs, Horst Röschert
  • Publication number: 20120128747
    Abstract: The present invention relates to a material in the form of solid particles consisting of a continuous shell including at least one silicon oxide, said shell confining at least one oil phase, said material being characterized in that said oil phase is solid at the storage temperature of said material and predominately contains a crystallizable oil that has a melting temperature (TM) of less than 100° C. and at least one substance of interest, and in that the diameter of the particles varies from 1 ?m to 1 cm. The invention also relates to a method for preparing said material, to the use thereof for the thermostimulated generation of active substances, as well as to compositions containing same.
    Type: Application
    Filed: July 28, 2010
    Publication date: May 24, 2012
    Inventors: Schmitt Véronique, Mathieu Destribats, Rénal Backov
  • Publication number: 20120088887
    Abstract: The invention relates to an accelerator agent of a novel blend of aldehyde-amine condensation product and aliphatic amines for diaminic, metal oxide, sulfur, and triazine crosslinkable elastomers.
    Type: Application
    Filed: October 6, 2011
    Publication date: April 12, 2012
    Applicant: R.T. VANDERBILT COMPANY, INC.
    Inventors: JENNIFER A. FORGUE, Chris M. Nola, Roger L. Burtraw, II
  • Publication number: 20120074353
    Abstract: The present invention pertains to the field of thermosetting or thermoset polymers mainly used as materials, coatings, or adhesives. The invention more specifically relates to the use of specific molecules having associative groups including a nitrogen heterocycle as a hardener or co-hardener of thermosetting polymers.
    Type: Application
    Filed: June 4, 2010
    Publication date: March 29, 2012
    Applicant: Arkema France
    Inventors: Bruno Van Hemelryck, Manuel Hidalgo
  • Patent number: 8128837
    Abstract: A latent epoxy resin curing agent is provided which exhibits excellent solvent resistance and low-temperature fast-curing ability, and contains an imidazole-based compound as a main component. In the latent epoxy resin curing agent containing the imidazole-based compound as a main component, adduct particles formed through adduct reaction of an epoxy-based compound with the particulate imidazole-based compound are coated with an ethyl cellulose film. Furthermore, the surfaces of the adduct particles may be crosslinked with a polyfunctional isocyanate compound. A mixture of the epoxy-based compound, the particulate imidazole-based compound, and ethyl cellulose in a predetermined saturated hydrocarbon-based solvent is heated under stirring. Then, the epoxy-based compound and the particulate imidazole-based compound are subjected to adduct reaction to give a slurry of the adduct. After the slurry is cooled, the latent epoxy resin curing agent is filtrated.
    Type: Grant
    Filed: March 27, 2008
    Date of Patent: March 6, 2012
    Assignees: Sony Corporation, Sony Corporation & Information Device Corporation
    Inventors: Daisuke Masuko, Katsuhiko Komuro, Masahiko Ito, Tadasu Kawashima
  • Patent number: 8119599
    Abstract: A method of treatment of native, non-denatured tissue to increase resistance to tearing, fissuring, rupturing, and/or delamination, comprising the step of: contacting at least a portion of the tissue with an effective amount of a reagent that increases crosslinks in the tissue.
    Type: Grant
    Filed: October 17, 2007
    Date of Patent: February 21, 2012
    Assignee: Orthopeutics, L.P.
    Inventors: Thomas P. Hedman, Paul Slusarewicz
  • Publication number: 20120035292
    Abstract: The present invention relates to a homogenous liquid blend comprising a photoinitiator and an alkoxylate surfactant for incorporation into aqueous based and solvent based radiation curable systems. In particular the invention relates to a homogenous liquid blend which is liquid at room temperature comprising at least 30% by weight with regard to the whole blend of a solid photoinitiator of the radical type and 1-70% by weight of at least one alkoxylated liquid surface active agent and optionally an organic diluent.
    Type: Application
    Filed: January 4, 2010
    Publication date: February 9, 2012
    Applicant: BASF SE
    Inventors: Steffen Onclin, Svetozar Lucic, Karin Powell, Wolfgang Peter, Frank Oliver Heinrich Pirrung, Clemens Auschra
  • Publication number: 20120029156
    Abstract: Disclosed are accelerator/curing agent compositions for epoxy resins, comprising (a) at least one aromatic or alicyclic compound containing at least two amine moieties, such amine-containing aromatic or alicyclic compound(s) preferably having from 3 to 5 amine hydrogens per compound and preferably two primary amines per compound, (b) at least one aliphatic compound containing at least two amine moieties, such compound(s) preferably having from 2 to 4 amine hydrogens per compound and one primary and one secondary amine per compound, and (c) at least one non-reactive catalytic compound, preferably having no amine hydrogens. The compositions are useful as drop-in replacements for N-aminoethylpiperazine.
    Type: Application
    Filed: May 2, 2011
    Publication date: February 2, 2012
    Inventors: Sudhir Ananthachar, Alexander Y. Polykarpov, Anbazhagan Natesh, Shailesh Shah
  • Patent number: 8063155
    Abstract: The invention relates to a sulphur donor curing agent comprising a combination of between 10 and 90 wt % of a mixture of polysulphides of poly(alkyl phenol) and between 90 and 10 wt. % a compound of the formula R?NHCONHR? were R? and R? are the same or different and are hydrogen oa an alkyl or aryl radical having 1 to 20 carbon atoms and methods of curing an EPDM-type rubber elastomer with the composition which presents no risk of the formation of nitrosamines.
    Type: Grant
    Filed: October 7, 2004
    Date of Patent: November 22, 2011
    Assignee: Arkema France
    Inventor: Thierry Aubert
  • Patent number: 8057698
    Abstract: The invention relates to mixtures of methacrylamide and aqueous N-methylolmethacrylamide solution.
    Type: Grant
    Filed: October 31, 2006
    Date of Patent: November 15, 2011
    Assignee: Evonik Röhm GmbH
    Inventors: Wolfgang Klesse, Joachim Knebel
  • Publication number: 20110274907
    Abstract: Curative fibre components comprise one or more fibres for filaments of curative suitable to cure curable resins such as thermoset resin. In curative fibre components comprising a plurality of fibres of curative, the fibres can be commingled, such as twisting, to form a thread or yarn. Curative fibre components can be used to form a material in the form of a sheet, fabric, layer, textile or mat of woven or non-woven curative fibres. Curative fibre components can be used to produce composite materials such as fibre reinforced resinous composite materials. The curative fibre components can be commingled, including interwoven, stitched and layered with other fibres or fibrous materials, such as fibrous reinforcement, fibrous curable resin, fibrous thermoplastic, other non-reinforcing fibres to form composite materials, prepregs, preforms and articles.
    Type: Application
    Filed: November 24, 2009
    Publication date: November 10, 2011
    Inventors: Mark Raymond Steele, Andrew Gibbs, Amy Grace Atinkson
  • Patent number: 8048964
    Abstract: In order to make available a crosslinking agent for ethylene acrylate (AEM) and polyacrylate (ACM) elastomers, which is equivalent to the crosslinking agents containing guanidine that have been used until now, but which does without the teratogenically acting guanidines which are toxologically hazardous, it is proposed that the crosslinking agent for diaminically crosslinkable AEM and ACM elastomers comprise a diamine crosslinker, an accelerator selected from 1,8-diazabicyclo-5,4,0-undec-7-ene (DBU), derivatives and salts thereof, and a moderator of the pyrrolidone type.
    Type: Grant
    Filed: April 14, 2009
    Date of Patent: November 1, 2011
    Assignee: ElringKlinger AG
    Inventor: Roy Horst Josef Hornig
  • Patent number: 8043526
    Abstract: This invention relates to a crosslinking composition comprising an organic acid and a compound having the structure of Formula I: A?-NRA—RD wherein A?, RA, and RD are defined in the specification. This invention also relates to a process for producing the crosslinking composition by reacting an amino compound containing amino groups; a mono(alkylaldehyde) and/or a poly(alkylaldehyde), and an alcohol; and adding an organic compound where said amino compound is selected from the group consisting of triazine, linear or cyclic ureas, cyanuric acid, substituted cyanuric acids, linear or cyclic amides, glycolurils, hydantoins, linear or cyclic carbamates and mixtures thereof.
    Type: Grant
    Filed: September 17, 2008
    Date of Patent: October 25, 2011
    Assignee: Cytec Technology Corp.
    Inventors: Lon-Tang Wilson Lin, William Jacobs, III
  • Publication number: 20110257272
    Abstract: The present invention relates to mixed crystals comprising a) leavening agent and b) 0.1 to 5000 ppm by weight of crystallization aid, based on the total amount of the leavening agent, in the form of at least polymer, wherein when hydrophilic cellulose derivatives are used as crystallization aid, the amount thereof is reduced to less than 100 ppm by weight, based on the total amount of the leavening agent. The present invention further relates to the production of the mixed crystals and to the use thereof in the production of bakery products, as acid regulator in foods, in the production of cosmetics products, in the synthesis and formulation of pharmaceutical products, and also as blowing agent in industrial processes such as, for example, the production of foam rubber, or for fire-extinguishing formulations. The present invention relates, furthermore, to the production of bakery products.
    Type: Application
    Filed: December 16, 2009
    Publication date: October 20, 2011
    Applicant: BASF SE
    Inventors: Ralf Diener, Jürgen Schneider, Herbert Seiter, Manfred Schafer, Walther Schmid
  • Publication number: 20110256234
    Abstract: A carrier system for transport of functional chemicals in substrates, such as fiber and plastic materials, comprises a carrier compound and at least one functional chemical, whereby the carrier compound consists of micelles, liposomes, lyotropic liquid crystals, or intercalation compounds. The functional chemical that is transported by the carrier compound migrates into the substrate and has an anisotropic distribution therein. Methods for modification, for activation and deactivation in a subsequent application on substrates are described.
    Type: Application
    Filed: August 6, 2009
    Publication date: October 20, 2011
    Inventors: Oliver Marte, Martin Meyer, Murray Height, Anita Bienz
  • Patent number: 8030401
    Abstract: The present invention is directed to photoinitiated cationic epoxy compositions including: (a) at least one substantially saturated epoxy material comprising at least two glycidyl ether groups; (b) about 0.1 to about 20 weight percent on a basis of total weight of the composition of at least one polymer comprising at least one vinyl chloride segment and at least one vinyl acetate segment; and (c) at least one cationic photoinitiator; and bonded substrates and methods of bonding including the same.
    Type: Grant
    Filed: August 3, 2006
    Date of Patent: October 4, 2011
    Assignee: Henkel Corporation
    Inventors: Philip T. Klemarczyk, Anthony F. Jacobine
  • Publication number: 20110218270
    Abstract: The present invention relates to an amine composition comprising linear triethylene-tetramine and one or more amine compounds selected from the group consisting of tertiary amines derived from the condensation of ethylenediamine and methyl-substituted compounds derived from linear triethylenetetramine as well as a method of production for said composition. The present invention also relates to the use of linear triethylenetetramine or an amine composition according to the invention as amine curing agents. The present invention also relates to amine curing agent compositions comprising linear triethylenetetramine as well as to curable compositions comprising linear triethylenetetramine and to a method for producing said curable compositions. Additionally, the present invention relates to a cured epoxy resin comprising linear triethylenetetramine, especially a reinforced composite, and a method for producing said cured epoxy resins.
    Type: Application
    Filed: March 2, 2011
    Publication date: September 8, 2011
    Applicant: BASF SE
    Inventors: DOMINIC SUTER, Manfred Kinscherff, Kirsten Dahmen, Hendrik Heising, Achim Kaffee, Johann-Peter Melder, Boris Buschhaus, Kevin Huyghe, Gunther van Cauwenberge
  • Patent number: 7989519
    Abstract: An initiator system for self-curing plastic material comprises a) at least one salt of a dialklylbarbituric acid and/or an alkylcycloalkylbarbituric acid and/or alkylarylbarbituric acid and/or a cycloalkylarylbarbituric acid that is insoluble in methacrylate monomers; b) at least one heavy metal salt that is insoluble in methacrylate monomers; c) at least one halogenide ion donor that is insoluble in methacrylate monomers; and d) at least one acid that is soluble in methacrylate monomers. The initiator system can be used for the preparation of paste/paste, paste/powder, paste/liquid, powder/liquid, and liquid/liquid combinations for the production of medical plastic material and dental materials. Additionally, a bone cement composition containing the initiator system is described.
    Type: Grant
    Filed: October 20, 2008
    Date of Patent: August 2, 2011
    Assignee: Heraeus Medical GmbH
    Inventors: Sebastian Vogt, Hubert Buchner
  • Patent number: 7964110
    Abstract: The instant invention is a cure system for halogenated elastomer compositions, a curable halogenated elastomer composition, and a method for curing a halogenated elastomer composition. The cure system for halogenated elastomer compositions includes a polymercapto crosslinking agent, an inorganic base, and a hydrated salt selected from the group consisting of lithium citrate, trilithium citrate pentahydrate, trilithium citrate tetrahydrate, and monolithium dihydrogen citrate monohydrate. The curable halogenated elastomer composition includes a chlorinated elastomer, and a cure system including a polymercapto crosslinking agent, an inorganic base, and a hydrated salt selected from the group consisting of lithium citrate, trilithium citrate pentahydrate, trilithium citrate tetrahydrate, and monolithium dihydrogen citrate monohydrate.
    Type: Grant
    Filed: August 21, 2007
    Date of Patent: June 21, 2011
    Assignee: Dow Global Technologies LLC
    Inventors: Raymond L. Laakso, Jr., Gary R. Marchand
  • Publication number: 20110130494
    Abstract: The present invention relates to a method of solubilizing graphite and applications thereof, including the manufacture of composites and the purification of graphene. The method of the invention is characterized in that it comprises the following steps carried out under inert atmosphere: a) reduction of graphite by an alkali metal to lead to a graphite intercalation compound; and b) exposure of the graphite intercalation compound to a polar aprotic solvent to lead to a reduced graphene solution. The present invention relates more particularly to graphene solutions and graphene planes obtained through said method, as well as uses of such graphene solutions and planes.
    Type: Application
    Filed: August 8, 2008
    Publication date: June 2, 2011
    Applicant: Centre National De La Recherche Scientifique - CNRS
    Inventors: Alain Penicaud, Cristina Valles
  • Publication number: 20110108755
    Abstract: Disclosed are an oligomer and a phthalonitrile monomer having the formulas: M is a metal or H. The value n is an integer greater than or equal to 1 for the oligomer and greater than or equal to 0 for the phthalonitrile monomer. Ar1 and Ar2 are independently selected aromatic- or heterocyclic-containing groups. Ar1, Ar2, or both are heteroaromatic or heterocyclic groups containing a nitrogen, sulfur, or oxygen heteroatom. Also disclosed are thermosets and pyrolyzed materials made from the phthalonitrile monomer.
    Type: Application
    Filed: November 12, 2009
    Publication date: May 12, 2011
    Applicant: The Government of the United States Of America, as represented by the Secretary of the Navy
    Inventors: Matthew Laskoski, Teddy M Keller
  • Patent number: 7939578
    Abstract: Polymeric fibers and methods of making the polymeric fibers are described. The polymeric fibers are crosslinked hydrogels or dried hydrogels that are prepared from a precursor composition that contains polymerizable material having an average number of ethylenically unsaturated groups per monomer molecule greater than 1.0. The polymeric fibers can contain an optional active agent.
    Type: Grant
    Filed: August 30, 2007
    Date of Patent: May 10, 2011
    Assignee: 3M Innovative Properties Company
    Inventors: Robin E. Wright, Mahfuza B. Ali, Jessica M. Buchholz, Louis C. Haddad, Linda K. M. Olson, Matthew T. Scholz, Narina Y. Stepanova, Michael J. Svarovsky, Richard L. Walter, Caroline M. Ylitalo, Diane R. Wolk, Yifan Zhang
  • Patent number: 7922932
    Abstract: A method for producing reactive fine particles, includes: admixing at least one latent curing agent selected from the group consisting of a urea derivative, an imidazole, a dicyaniamide (DICY), a mixture of any one or more thereof, and a precursor thereof, in a solvent to form a clear solution; spraying the clear solution onto at least one inorganic inert particle selected from the group consisting of a metal oxide, a mineral filler, a natural filler, and a mixture of any one or more thereof, the at least one inorganic inert particle having a specific surface area in the range of about 10 to about 50 m2/g; and removing the solvent to form reactive fine particles that includes a core of inert material coated by a coating layer that includes the at least one latent curing agent.
    Type: Grant
    Filed: December 14, 2009
    Date of Patent: April 12, 2011
    Assignee: Camtek Ltd.
    Inventors: Izhar Halahmi, Jacob Mozel, Ran Vilk
  • Publication number: 20110077361
    Abstract: The invention relates to an initiator system comprising a diarylalkylamine compound and a sensitizing agent. The invention also relates to a hardenable composition comprising the initiator system. The invention further relates to the use of the initiator system for initiating the hardening process of a hardenable composition being selected from cationically curing composition(s) and/or radically curing composition(s) or a mixture thereof. The initiator system and the hardening composition can be used in various fields, including the dental and orthodontic area.
    Type: Application
    Filed: May 28, 2009
    Publication date: March 31, 2011
    Inventors: Bettina Hailand, Adrian S. Eckert, Karsten Dede