Class / Patent application number | Description | Number of patent applications / Date published |
528405000 | With reactant which is devoid of a heterocyclic ring containing oxygen, selenium or tellurium atoms as ring members | 79 |
20090005533 | Method for Producing Polyether Alcohols - The invention relates to a process for preparing polyether alcohols by catalytic addition of alkylene oxides onto a starter substance mixture comprising water-soluble H-functional starter substances which are solid at room temperature, alcohols which are liquid at the reaction temperature and water using alkali metal hydroxides and/or alkaline earth metal hydroxides as catalysts, wherein the amount of water is from 1.0 to 6.0% by weight, based on the weight of the starter substance mixture, and the starter substance mixture comprises no amine constituents. | 01-01-2009 |
20090137774 | ADAMANTANE DERIVATIVE, RESIN COMPOSITION CONTAINING SAME, AND OPTOELECTRONIC COMPONENT USING SAME - Disclosed is an adamantane derivative which enables to obtain a cured product which is excellent in optical characteristics such as transparency and light resistance, long-term heat resistance, and electrical characteristics such as dielectric constant. Also disclosed are a resin composition containing such an adamantane derivative, and a sealing agent for electronic circuits and an optoelectronic member respectively using those. Specifically disclosed are an adamantane derivative represented by the general formula (I) below, a resin composition containing such an adamantane derivative, a sealing agent for electronic circuits and an optoelectronic member respectively using such a resin composition, and an adhesive of those. (I) In the general formula (I), Z represents a group selected from the groups represented by the general formula (II) or (III) below (wherein R | 05-28-2009 |
20090137775 | ADAMANTANE DERIVATIVE, EPOXY RESIN, AND OPTICAL ELECTRONIC MEMBER USING RESIN COMPOSITION COMPRISING THEM - This invention provides an adamantane derivative that can provide a cured product having excellent optical properties such as transparency and lightfastness, long-term heat resistance, and electric characteristics such as permittivity, and an epoxy resin having an adamantane skeleton, a resin composition comprising them, and an optical electronic member using the resin composition. The adamantane derivative is represented by general formula (I). The epoxy resin having an adamantane skeleton is represented by general formula (V) or (VI). The resin composition comprises them. The optical electronic member uses the resin composition. In the formula, W represents, for example, a hydrogen atom, X represents a group represented by general formula (II), Y represents, for example, —O—, Z represents a group represented by formula (III) or (IV), R | 05-28-2009 |
20090143562 | PROCESS TO MAKE POLY(TRIMETHYLENE CARBONATE) GLYCOL - This invention relates to the production of poly(trimethylene carbonate) glycol via the polymerization of trimethylene carbonate employing one or more acidic ion exchange resin catalysts in the presence of a solvent. The products formed are substantially free of these catalysts. | 06-04-2009 |
20090198041 | CRUDE GLYCEROL-BASED PRODUCT, PROCESS FOR ITS PURIFICATION AND ITS USE IN THE MANUFACTURE OF DICHLOROPROPANOL - The invention relates to a crude glycerol-based product comprising glycerol alkyl ethers, to a purification process comprising a treatment of evaporative concentration, of evaporative crystallization, of distillation, of fractional distillation, of stripping, or of liquid-liquid extraction and to the use of the purified product in the manufacture of dichloropropanol. | 08-06-2009 |
20090203874 | METHOD FOR PRODUCING POLYETHER POLYOLS - A process for preparing polyether polyols by reaction of the following starting materials:
| 08-13-2009 |
20090240025 | Organic Zinc Catalyst, and Process for Production of Poly(Alkylene Carbonate) Using the Same - The present invention has for its object to provide a novel organic zinc catalyst showing very high polymerizing activity in the reaction for producing a poly(alkylene carbonate) from carbon dioxide and an epoxide as well as a method of producing a poly(alkylene carbonate) using the same. | 09-24-2009 |
20090281274 | HIGHLY FUNCTIONAL, HYPERBRANCHED POLYCARBONATES AND PRODUCTION AND USE THEREOF - Hyperbranched polycarbonates having stabilizing groups, prepared by reaction of
| 11-12-2009 |
20100099842 | ACCELERATORS FOR POLYMERIZATION OF EPOXY RESINS - Embodiments of the present invention disclose accelerator compositions useful in the curing of an epoxy resins having at least one amine and a glycerin. | 04-22-2010 |
20100121026 | PROCESS FOR PRODUCING POLYCARBONATES AND A COORDINATION COMPLEX USED THEREFOR - The complex of the present invention containing an onium salt and a central Lewis acidic metal has a high catalytic activity at a high temperature for the copolymerization of an epoxide and carbon dioxide to produce a high molecular weight poly-carbonate. | 05-13-2010 |
20100267926 | COPOLYETHER GLYCOL MANUFACTURING PROCESS - The present invention relates to a continuous process for manufacturing copolyether glycols with high incorporation of alkylene oxide by polymerization of tetrahydrofuran and at least one alkylene oxide in the presence of an acid catalyst, at least one compound containing reactive hydrogen atoms, and a specific diluent or solvent. More particularly, the invention relates to a diluent or solvent-assisted continuous process for manufacturing copolyether glycols with high incorporation of alkylene oxide. | 10-21-2010 |
20100311941 | COPOLYMERIZATION OF EPOXIDES AND CYCLIC ANHYDRIDES - The present invention provides novel polymers and methods of preparing the same. | 12-09-2010 |
20100324260 | Catalytic System for CO2/Epoxide Copolymerization - The present invention related to a method of manufacturing a polycarbonate including the process of copolymerizing epoxide compound and CO2 using cobalt(III) or chromium(III), where the ligands contains at least 3 ammonium cations, central metal has formal −1 charge, and conjugated anions of the two cationic ammonium groups are acid-base homoconjugation, as catalyst. | 12-23-2010 |
20100331517 | POLYETHER CARBONATE POLYOLS MADE VIA DOUBLE METAL CYANDIE (DMC) CATALYSIS - The present invention relates to a polyether carbonate polyol made by copolymerizing a starter molecule with carbon dioxide, at a pressure ranging from about 10 psia to about 2,000 psia, and an alkylene oxide, at a temperature ranging from about 50° C. to about 190° C. and in the presence of from about 0.001 Wt. % to about 0.2 wt. % of a substantially non-crystalline double metal cyanide (DMC) catalyst, wherein the polyol has an incorporated carbon dioxide content of from about 1 wt. % to about 40 wt. %, wherein the ratio of cyclic carbonate by-product to total carbonate is less than about 0.3 and wherein the weight percentages are based on the weight of the polyol. The inventive polyether carbonate polyols may find use in producing polyurethane foams, elastomers, coatings, sealants and adhesives with improved properties. | 12-30-2010 |
20110028682 | PROCESS FOR PRODUCING POLYALKYLENE OXIDE - The present invention aims to provide a method for producing a polyalkylene oxide, which is capable of improving reduction in reactivity of a double metal cyanide complex catalyst in the case that a low molecular weight initiator is used, and producing the polyalkylene oxide with high productivity at low cost. The method for producing a polyalkylene oxide comprises carrying out a ring-opening addition reaction of an alkylene oxide with an initiator having at least one hydroxy group and having a molecular weight of not more than 300 per hydroxy group in the presence of a double metal cyanide complex catalyst in an organic solvent, wherein the organic solvent is used in an amount of 500 to 1,500 parts by weight relative to 100 parts by weight of the alkylene oxide used at the start of the reaction. | 02-03-2011 |
20110060119 | CURING METHOD FOR POLYETHER - This invention relates to a novel curing method of oligomers, using metal triflates, and particularly to the curing of hydroxyl terminated elastomers to achieve crosslinked polymers. The method finds particular use as an alternative cure methodology to replace isocyanate curing. There is further provided a cured and crosslinked polymer binder, which is particularly suitable and compatible for use with energetic materials. | 03-10-2011 |
20110087001 | POLYMERS OF ETHYLENE OXIDE AND CARBON DIOXIDE - The present disclosure is directed, in part, to methods of synthesizing a poly(ethylene carbonate) polymer from the reaction of ethylene oxide (EO) and carbon dioxide (CO | 04-14-2011 |
20110118435 | BIMETALLIC CATALYTIC COMPLEXES FOR THE COPOLYMERISATION OF CARBON DIOXIDE AND AN EPOXIDE - The present invention provides a novel catalyst of formula (I): wherein M is selected from Zn(H), Co(II), Mn(II), Mg(II), Fe(II), Cr(III)-X or Fe(III)-X, and the use thereof in polymerising carbon dioxide and an epoxide. | 05-19-2011 |
20110152497 | CATALYSTS AND METHODS FOR POLYMER SYNTHESIS - The present invention provides unimolecular metal complexes having increased activity in the copolymerization of carbon dioxide and epoxides. Also provided are methods of using such metal complexes in the synthesis of polymers. According to one aspect, the present invention provides metal complexes comprising an activating species with co-catalytic activity tethered to a multidentate ligand that is coordinated to the active metal center of the complex. | 06-23-2011 |
20110160428 | Initiator - 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. | 06-30-2011 |
20110201779 | PURIFICATION OF POLYCARBONATES - The present disclosure provides, in part, a method for removing a catalyst from a product of catalyzed aliphatic polycarbonate polymerization reaction. | 08-18-2011 |
20110207909 | Catalytic System of Nitrate Anions for CO2/ Epoxide Copolymerization - This invention relates to a Salen type ligand including three or more quaternary ammonium salts of nitrate anions, to a trivalent metal complex compound prepared from this ligand and a method of preparing the same, to a method of preparing polycarbonate by copolymerizing an epoxide compound and carbon dioxide using the complex compound as a catalyst, and to a method of separating and collecting the catalyst from the copolymer after copolymerization. This catalyst used to copolymerize an epoxide compound and carbon dioxide can be more simply prepared, and has lower catalyst preparation and recovery costs, and higher activity, compared to conventional catalysts. | 08-25-2011 |
20110218320 | MODIFIED ZINC SALTS OF C4-8-ALKANEDICARBOXYLIC ACIDS AND USE THEREOF AS A POLYMERIZATION CATALYST - Zinc salts of C | 09-08-2011 |
20110224403 | METHOD OF MAKING A CYCLIC GUANIDINE FROM DICYANDIAMIDE AND COATING COMPOSITIONS CONTAINING SAME - The present invention is directed to a method for preparing a cyclic guanidine comprising reacting (i) a cyanamide, (ii) a polyamine, and (iii) a weak acid. The present invention is also directed to a coating composition comprising the cyclic guanidine. | 09-15-2011 |
20110282027 | PROCESS FOR PRODUCING POLYETHEROLS - The present invention relates to processes for producing polyetherols, in particular to polyetherol block structures, to novel catalysts for use in said processes, and to the polyetherols that can be produced via the process of the invention. The present invention further relates to the use, for producing polyurethanes, of the polyetherols that can be produced in the invention. | 11-17-2011 |
20110313128 | ISOTACTIC SPECIFIC CATALYST FOR DIRECT PRODUCTION OF HIGHLY ISOTACTIC POLY (PROPYLENE OXIDE) OR HIGHLY ISOTACTIC POLY (BUTYLENE OXIDE) - (Salph or methoxy salph) Co (initiating ligand) catalyze homopolymerizing rac-PO to produce pure highly isotactic PPO and rac-1-butylene oxide to produce pure isotactic poly(butylene oxide). A product is unfractionated isotactic PPO of m-dyad content>81%, normally at least 99%. | 12-22-2011 |
20120184709 | PROCESS FOR PRODUCING POLYCARBONATES AND A COORDINATION COMPLEX USED THEREFOR - The complex of the present invention containing an onium salt and a central Lewis acidic metal has a high catalytic activity at a high temperature for the copolymerization of an epoxide and carbon dioxide to produce a high molecular weight polycarbonate. | 07-19-2012 |
20120226016 | PROCESS FOR PRODUCING POLYCARBONATES AND A COORDINATION COMPLEX USED THEREFOR - The complex of the present invention containing an onium salt and a central Lewis acidic metal has a high catalytic activity at a high temperature for the copolymerization of an epoxide and carbon dioxide to produce a high molecular weight polycarbonate. | 09-06-2012 |
20120226017 | USE OF A STEREOISOMER MIXTURE OF DIAMINOMETHYLCYCLOHEXANE AS A HARDENER FOR EPOXY RESINS - The present invention provides a composition which comprises at least one epoxy resin and a mixture comprising the 7 stereoisomers of diaminomethylcyclohexane in very specific ratios relative to one another, a process for preparing the composition, the use of the composition for producing hardened epoxides, adhesives, composite materials and moldings, a mixture comprising the 7 stereoisomers of diaminomethylcyclohexane in the specific ratios, and the use of this mixture for producing the composition. | 09-06-2012 |
20120232245 | Method for Preparing Carbon Dioxide/Epoxide Copolymers Containing Ether Linkages - Provided is a method for preparing poly(alkylene carbonate) containing ether linkages, by the copolymerization of an epoxy compound and carbon dioxide, with a trivalent metal complex prepared from a salen type ligand containing a quaternary ammonium salt, and a double metal cyanide (DMC) catalyst together. The amount of ether linkages can be controlled by regulating the weight ratio of two catalysts and the carbon dioxide pressure. | 09-13-2012 |
20120264910 | PROCESS FOR COUPLING EPOXIDES AND CARBON DIOXIDE - The present invention relates to a process for preparing carbonates by reacting propylene oxide, ethylene oxide, styrene oxide and/or cyclohexene oxide with carbon dioxide in the presence of one or more catalysts of the formula I | 10-18-2012 |
20130053536 | PROCESS FOR PREPARING EDDN AND/OR EDMN AND A PROCESS FOR PREPARING DETA AND/OR TETA - A process for preparing EDDN and/or EDMN by
| 02-28-2013 |
20130060001 | CATALYSTS FOR THE PREPARATION OF CARBONATES FROM EPOXIDES AND CO2 - A macrocycle based on β-diketimines, a process for preparing the inventive macrocycle, an uncharged macrocyclic dimetallic complex based on the inventive macrocycle, and a process for preparing the uncharged macrocyclic dimetallic complex, the use of the uncharged macrocyclic dimetallic complex as a polymerization catalyst in the polymerization of carbon dioxide with one or more epoxides, a process for preparing polycarbonates by reacting carbon dioxide with one or more epoxides in the presence of the inventive uncharged macrocyclic dimetallic complex, and a polycarbonate prepared by the process according to the invention. | 03-07-2013 |
20130066044 | POLYCARBONATE POLYOL COMPOSITIONS AND METHODS - In one aspect, the present disclosure encompasses polymerization systems for the copolymerization of CO | 03-14-2013 |
20130131308 | Catalytic System for Co2/Epoxide Copolymerization - The present invention related to a method of manufacturing a polycarbonate including the process of copolymerizing epoxide compound and CO2 using cobalt(III) or chromium(III), where the ligands contains at least 3 ammonium cations, central metal has formal −1 charge, and conjugated anions of the two cationic ammonium groups are acid-base homoconjugation, as catalyst. | 05-23-2013 |
20130144031 | CATALYSTS AND METHODS FOR POLYMER SYNTHESIS - The present invention provides unimolecular metal complexes having increased activity in the copolymerization of carbon dioxide and epoxides. Also provided are methods of using such metal complexes in the synthesis of polymers. According to one aspect, the present invention provides metal complexes comprising an activating species with co-catalytic activity tethered to a multidentate ligand that is coordinated to the active metal center of the complex. | 06-06-2013 |
20130144032 | CATALYSTS AND METHODS FOR POLYMER SYNTHESIS - The present invention provides unimolecular metal complexes having increased activity in the copolymerization of carbon dioxide and epoxides. Also provided are methods of using such metal complexes in the synthesis of polymers. According to one aspect, the present invention provides metal complexes comprising an activating species with co-catalytic activity tethered to a multidentate ligand that is coordinated to the active metal center of the complex. | 06-06-2013 |
20130144033 | CATALYSTS AND METHODS FOR POLYMER SYNTHESIS - The present invention provides unimolecular metal complexes having increased activity in the copolymerization of carbon dioxide and epoxides. Also provided are methods of using such metal complexes in the synthesis of polymers. According to one aspect, the present invention provides metal complexes comprising an activating species with co-catalytic activity tethered to a multidentate ligand that is coordinated to the active metal center of the complex. | 06-06-2013 |
20130172524 | CATALYSTS AND METHODS FOR POLYMER SYNTHESIS - The present invention provides bimetallic complexes having increased activity in the copolymerization of carbon dioxide and epoxides. Also provided are methods of using such metal complexes in the synthesis of polymers. According to one aspect, the present invention provides metal complexes comprising an activating species with co-catalytic activity tethered to a multidentate ligand that is coordinated to one or more active metal centers of the complex. | 07-04-2013 |
20130184432 | PROCESS FOR THE PREPARATION OF POLYETHER CARBONATE POLYOLS - The present invention relates to a process for the preparation of polyether carbonate polyols from one or more alkylene oxides, carbon dioxide and optionally from one or more H-functional starter substances in the presence of at least one double metal cyanide catalyst, wherein the double metal cyanide catalyst comprises an unsaturated alcohol as a complexing ligand. | 07-18-2013 |
20130203958 | POLYOXYMETHYLENE COPOLYMERS - Specific polyoxymethylene copolymers are described with a weight-average molar mass (M | 08-08-2013 |
20130211042 | PROCESS FOR THE PRODUCTION OF POLYETHER CARBONATE POLYOLS - The present invention relates to a process for the production of polyether carbonate polyols from one or more H-functional starter substances, one or more alkylene oxides (epoxides) and carbon dioxide in the presence of at least one double metal cyanide catalyst, wherein the production of the polyether carbonate polyols is carried out in a tubular reactor. | 08-15-2013 |
20130303725 | Quaternized Polyethylenimines with a High Quaternization Degree - The present invention relates to an ethoxylated polyethylenimine polymer consisting essentially of (a) a polyethyleneimine backbone, (b) a polyoxyethylene chain wherein the polyoxyethylene chain has an average of 1 to less than 40 ethyleneoxide units per unit of NH in the polyethyleneimine backbone, (3) a quaternization degree of from 50% to 100%. | 11-14-2013 |
20130331544 | ORGANOMETALLIC CATALYST AND PREPARATION THEREOF - The present invention relates to a method for producing an organometallic catalyst and an organometallic catalyst when produced by the method. The method comprises the steps of combining a polycarboxylic acid or anhydride and a metal-oxide, metal-hydroxide or metal-salt with a solvent at a temperature and pressure at which the solvent exists as a supercritical or near-critical fluid. The polycarboxylic acid or anhydride is reacted with the metal-oxide, metal-hydroxide or metal-salt for sufficient time and under sufficient temperature and pressure to produce the organometallic catalyst. The present invention also relates to a process for making a poly(alkylene carbonate) in the presence of a catalytic amount of the organometallic catalyst produced by the method. | 12-12-2013 |
20140039152 | POLY(ETHYLENEOXIDE) FUNCTIONALIZATION THROUGH ALKYLATION - A new and efficient method of functionalizing high molecular weight polymers through alkylation using a metal amide base is described. This novel procedure can also be used to synthesize polymer-based macro-initiators containing radical initiating groups at the chain-ends for synthesis of block copolymers. | 02-06-2014 |
20140051827 | CONJUGATED POLYMER, INSOLUBILIZED POLYMER, ORGANIC ELECTROLUMINESCENCE ELEMENT MATERIAL, COMPOSITION FOR ORGANIC ELECTROLUMINESCENCE ELEMENT, POLYMER PRODUCTION PROCESS, ORGANIC ELECTROLUMINESCENCE ELEMENT, ORGANIC EL DISPLAY AND ORGANIC EL LIGHTING - An object of the present invention is to provide a conjugated polymer which has a high hole transportability and is excellent in solubility and depositability. Another object of the present invention is to provide an organic electroluminescence element which is capable of low voltage driving and has a high luminous efficiency and drive stability. The conjugated polymer of the present invention is a conjugated polymer containing a specific structure as the repeating unit, where the conjugated polymer contains an insolubilizing group as a substituent, the weight average molecular weight (Mw) is 20,000 or more and the dispersity (Mw/Mn) is 2.40 or less. | 02-20-2014 |
20140066591 | POLYMERS OF ETHYLENE OXIDE AND CARBON DIOXIDE - The present disclosure is directed, in part, to methods of synthesizing a poly(ethylene carbonate) polymer from the reaction of ethylene oxide (EO) and carbon dioxide (CO | 03-06-2014 |
20140155573 | PROCESS FOR PURIFYING POLY (ALKYLENE CARBONATE) - A process for purifying a poly(alkylene carbonate), said process comprising the steps of adding said poly(alkylene carbonate) to an aqueous solution, optionally in the presence of an acid compound, in the absence of any organic solvent. subsequently heating said blend to a temperature of up to 200° C.; and removing the aqueous phase and drying the residue. | 06-05-2014 |
20140171616 | SELF-ADHESIVE COMPOSITION AND SELF-ADHESIVE FILM FOR GLASS MANUFACTURED THEREFROM - Provided is a self-adhesive composition having excellent weather resistance, adhesive strength, transparency, and durability to durability against ultraviolet rays, containing aliphatic polycarbonate by copolymerization of carbon dioxide and at least one epoxide compound. Also, provided are a self-adhesive film for glass produced from the self-adhesive composition containing aliphatic polycarbonate and a use thereof. | 06-19-2014 |
20140171617 | CATALYSTS AND METHODS FOR POLYMER SYNTHESIS - The present invention provides oligomeric metal complexes having more than one metal center and methods of using such complexes. The provided metal complexes are useful in the copolymerization of carbon dioxide and epoxides. | 06-19-2014 |
20140179895 | POLYETHERS, METHODS OF MAKING SAME, AND USES THEREOF - Isotactic polyethers, methods of making polyethers, and uses of polyethers. The polyethers have a chain transfer group formed from a chain transfer agent. The methods of making the polyethers use monoalcohol chain transfer agents or multifunctional chain transfer agents. The polyethers can be used in materials, such as polyurethanes, elastomers, thermoset plastics, and thermoplastics, and as non-ionic surfactants. | 06-26-2014 |
20140200328 | METHOD FOR PRODUCING ZINC DICARBOXYLATE - The invention relates to a process for preparing a zinc dicarboxylate from a zinc compound and a C | 07-17-2014 |
20140206835 | Hot Melt Composition - Provided is a hot melt adhesive composition including aliphatic polycarbonate. With the hot melt adhesive composition according to the present invention, the pyrolysis temperature is low, such that the harmful gas is not generated at the time of waste treatment, resulting in providing an excellent environmentally friendly product. In addition, the hot melt adhesive composition has the low melting temperature to thereby be usable at low temperature and exhibit sufficient adhesive strength. | 07-24-2014 |
20140221605 | NOVEL COORDINATION COMPLEXES AND PROCESS OF PRODUCING POLYCARBONATE BY COPOLYMERIZATION OF CARBON DIOXIDE AND EPOXIDE USING THE SAME AS CATALYST - Provided are a complex prepared from ammonium salt-containing ligands and having such an equilibrium structural formula that the metal center takes a negative charge of 2 or higher, and a method for preparing polycarbonate via copolymerization of an epoxide compound and carbon dioxide using the complex as a catalyst. When the complex is used as a catalyst for copolymerizing an epoxide compound and carbon dioxide, it shows high activity and high selectivity and provides high-molecular weight polycarbonate, and thus easily applicable to commercial processes. In addition, after forming polycarbonate via carbon dioxide/epoxide copolymerization using the complex as a catalyst, the catalyst may be separately recovered from the copolymer. | 08-07-2014 |
20140243497 | PROCESS FOR PREPARING HIGHLY ACTIVE DOUBLE METAL CYANIDE CATALYSTS AND THEIR USE IN THE SYNTHESIS OF POLYETHER POLYOLS - The present invention relates to a process of preparing a double metal cyanide (DMC) complex catalyst with an improved catalytic activity useful for epoxide polymerization. It also relates to the DMC catalyst obtainable by said process, as well as to polyether polyols prepared by a polymerization reaction using said DMC catalyst. | 08-28-2014 |
20140256908 | PROCESS FOR THE PRODUCTION OF POLYETHER CARBONATE POLYOLS - The present invention relates to a method for producing polyether carbonate polyols from one or more H-functional starter substances, one or more alkylene oxides and carbon dioxide, in the presence of at least one double metal cyanide (DMC) catalyst, wherein the double metal cyanide catalyst comprises a complex-forming component selected from the group consisting of polycarbonate diol, polyether carbonate polyol, polyethylene glycol diol and poly(tetramethylene ether diol). | 09-11-2014 |
20140288265 | ALKOXYLATED POLYALKYLENEPOLYAMINES - Process for the preparation of alkoxylated polyalkylenepolyamines, comprising the following steps (a) homogeneously catalyzed alcohol amination, where aliphatic amino alcohols are reacted with one another or aliphatic diamines or polyamines are reacted with aliphatic diols or polyols with the elimination of water in the presence of a homogeneous catalyst to give polyalkylenepolyamines, (b) reaction of these polyalkylenepolyamines with alkylene oxides to give alkoxylated polyalkylenepolyamines. Specific alkoxylated polyalkylenepolyamines obtainable by such processes and alkoxylated polyalkylenepolyamines and processes for their preparation. Uses of alkoxylated polyalkylenepolyamines as detergent additives, dispersants, textile auxiliaries, wood protectants, corrosion inhibitors. | 09-25-2014 |
20140296474 | PREPARATION OF POLY(ALKYLENE CARBONATE) CONTAINING CROSS-LINKED HIGH MOLECULAR WEIGHT CHAINS - Provided is preparation of poly(alkylene carbonate) through alternating copolymerization of carbon dioxide and epoxide. According to the disclosure, by introducing a diepoxide compound to alternating copolymerization of carbon dioxide and epoxide compound using a metal(III) prepared with salen-type ligands containing quaternary ammonium salt as a catalyst, some of the polymer chains may be cross-linked to thus increase an average molecular weight of the copolymer and extend a distribution of molecular weight. A resin prepared according to this method may have high mechanical strength and rheological advantages. | 10-02-2014 |
20140336354 | SALEN COMPLEXES WITH DIANIONIC COUNTERIONS - The present invention describes metal salen complexes having dianionic counterions. Such complexes can be readily precipitated and provide an economical method for the purification and isolation of the complexes, and are useful to prepare novel polymer compositions. | 11-13-2014 |
20140343246 | CATALYSTS AND METHODS FOR POLYMER SYNTHESIS - The present invention provides unimolecular metal complexes having increased activity in the copolymerization of carbon dioxide and epoxides. Also provided are methods of using such metal complexes in the synthesis of polymers. According to one aspect, the present invention provides metal complexes comprising an activating species with co-catalytic activity tethered to a multidentate ligand that is coordinated to the active metal center of the complex. | 11-20-2014 |
20140378651 | Flame-Retarding Carbon Dioxide/Epoxide Copolymer and Method for Preparing the Same - There is provided a method for preparing a low-molecular weight poly(alkylene carbonate) of which the molecular weight and chain shape are precisely controlled, by introducing a phosphorous compound having a hydroxyl group as a chain transfer agent in order to regulate the molecular weight, in alternating copolymerizing an epoxide compound and carbon dioxide by using trivalent metal complex prepared from a Salen type ligand containing a quaternary ammonium salt, and a polymer prepared by the method. | 12-25-2014 |
20150025218 | POLYGLYCOLIC ACID AND COPOLYMERS THEREOF FROM C1 FEEDSTOCKS - A method of preparing a poly(glycolic acid) (PGA) from the C1 feedstocks carbon monoxide and formaldehyde or its equivalent. By controlling the comonomer feed ratios and the polymerization temperatures, high quality PGA can be prepared. The method is extended to copolymers of PGA where alkylene oxides or cyclic ether comonomers are included into the polymerization mixture with the C1 monomers to yield polyester-ether thermoplastics. | 01-22-2015 |
20150051369 | METHODS FOR POLYMER SYNTHESIS - The present invention provides methods for reducing induction periods in epoxide-CO | 02-19-2015 |
20150299386 | POLYCARBONATE POLYOL COMPOSITIONS AND METHODS - In one aspect, the present disclosure encompasses polymerization systems for the copolymerization of CO | 10-22-2015 |
20150307658 | COPOLYMERIZATION OF PROPYLENE OXIDE AND CARBON DIOXIDE WITHOUT PRODUCTION OF PROPYLENE CARBONATE - Copolymers of propylene oxide and carbon dioxide and homopolymers of propylene oxide are made using two dimensional double metal cyanide complexes having the formula Co[M(CN) | 10-29-2015 |
20150315337 | PROCESS FOR PURIFICATION OF POLYETHER CARBONATE POLYOLS - This invention relates to a process for the production of a high purity polyether carbonate polyol. The high purity polyether carbonate polyols prepared by the process herein contain a low level of catalyst residues. The process adds diatomaceous earth to a polyether carbonate polyol to form a suspension, mixes the suspension for a specified time period at a specified temperature, and filters the suspension to form the high purity polyether carbonate polyol. | 11-05-2015 |
20150368394 | CATALYSTS AND METHODS FOR POLYESTER PRODUCTION - Disclosed are polymerization systems and methods for the formation of polyesters from epoxides and carbon monoxide. The inventive polymerization systems feature the combination of metal carbonyl compounds and polymerization initiators and are characterized in that the molar ratios of metal carbonyl compound, polymerization initiators and provided epoxides are present in certain ratios. | 12-24-2015 |
20160075824 | NOVEL COORDINATION COMPLEXES AND PROCESS OF PRODUCING POLYCARBONATE BY COPOLYMERIZATION OF CARBON DIOXIDE AND EPOXIDE USING THE SAME AS CATALYST - Provided are a complex prepared from ammonium salt-containing ligands and having such an equilibrium structural formula that the metal center takes a negative charge of 2 or higher, and a method for preparing polycarbonate via copolymerization of an epoxide compound and carbon dioxide using the complex as a catalyst. When the complex is used as a catalyst for copolymerizing an epoxide compound and carbon dioxide, it shows high activity and high selectivity and provides high-molecular weight polycarbonate, and thus easily applicable to commercial processes. In addition, after forming polycarbonate via carbon dioxide/epoxide copolymerization using the complex as a catalyst, the catalyst may be separately recovered from the copolymer. | 03-17-2016 |
20160137777 | CATALYSTS AND METHODS FOR POLYMER SYNTHESIS - The present invention provides bimetallic complexes having increased activity in the copolymerization of carbon dioxide and epoxides. Also provided are methods of using such metal complexes in the synthesis of polymers. According to one aspect, the present invention provides metal complexes comprising an activating species with co-catalytic activity tethered to a multidentate ligand that is coordinated to one or more active metal centers of the complex. | 05-19-2016 |
20160152651 | Double Metal Cyanide Catalyst and Epoxide/Carbon Dioxide Copolymer Prepared Using the Same | 06-02-2016 |
20160194442 | MANUFACTURING METHOD OF ORGANIC ZINC CATALYST AND MANUFACTURING METHOD OF POLYALKYLENE CARBONATE RESIN | 07-07-2016 |
20160376299 | Novel Complex and Preparation Method of Poly(Alkylene Carbonate) Using the Same - The present invention is directed to a novel complex synthesized from a Salen-type ligand. The novel complex contains a quaternary ammonium salt. The present invention is also directed to a preparation method of a copolymer of carbon dioxide and epoxide using the complex synthesized from a Salen-type ligand as a catalyst. | 12-29-2016 |
20170233526 | PROCESS FOR THE PREPARATION OF POLYETHERCARBONATE POLYOLS | 08-17-2017 |
528406000 | Heterocyclic reactant contains at least two heterocyclic rings having oxygen, selenium or tellurium as ring members | 6 |
20100160601 | POLYCARBONATE CONTAINING PLANT-DERIVED COMPONENT AND PROCESS FOR THE PREPARATION THEREOF - A process for production of a plant-derived component-containing polycarbonate represented by the following formula (3): | 06-24-2010 |
20130178601 | PROCESS FOR PREPARING EPOXY RESINS - A process for preparing an aliphatic or cycloaliphatic epoxy resin including the steps of: (I) reacting a mixture of (a) an aliphatic or cycloaliphatic hydroxyl containing material, (b) an epihalohydrin, (c) a basic acting substance, (d) a non-Lewis acid catalyst, and (e) optionally, a solvent, forming an epoxy resin composition; (II) subjecting the epoxy resin composition produced in step (I) to a separation process to remove (A) “light” components such as, for example, solvent used in the epoxidation reaction, if any, unreacted epihalohydrin, and co-products such as di(epoxypropyl)ether; (B) unreacted aliphatic or cycloaliphatic hydroxyl containing material, if any; (C) partially epoxidized aliphatic or cycloaliphatic hydroxyl containing material, such as, for example, MGE; (D) fully epoxidized aliphatic or cycloaliphatic hydroxyl containing material, such as, for example, DGE, such that the (E) aliphatic or cycloaliphatic polyfunctional epoxy resin product remaining contains no more than 50% by weight of said fully epoxidized aliphatic or cycloaliphatic hydroxyl containing material (D); and (III) recycling the isolated partially epoxidized aliphatic or cycloaliphatic hydroxyl containing material (C) and any mixtures of partially epoxidized aliphatic or cycloaliphatic hydroxyl containing material (C) with fully epoxidized aliphatic or cycloaliphatic hydroxyl containing material (D) from step (II) to a new reaction mixture of step (I). | 07-11-2013 |
20140256909 | CURABLE COMPOSITIONS - A curable composition including (a) at least one divinylarene dioxide; (b) at least one polyol; and (c) at least one cure catalyst, said cure catalyst being effective in catalyzing the reaction between the divinylarene dioxide and the polyol and being active at ambient and higher temperatures, wherein the curable composition forms a compatible mixture; and cured compositions prepared from the curable composition. | 09-11-2014 |
528407000 | Reactant which is devoid of a heterocyclic ring containing oxygen, selenium or tellurium as ring atoms, contains at least one nitrogen atom | 3 |
20120065362 | POLYETHERAMINES, COMPOSITIONS INCLUDING POLYETHERAMINES, AND METHODS OF MAKING - Embodiments of the present disclosure include polyetheramines, methods of making polyetheramine, methods of using polyetheramine, and the like. | 03-15-2012 |
20140088289 | BISPHENOL A (BPA) FREE EPOXY RESINS - An epoxy resin is provided that includes a diglycidyl ether of a substituted cycloaliphatic diol or bis-thiol, and a thermoset epoxy polymer is provided employing the same. The epoxy resin is bisphenol A free, and capable of forming thermoset epoxy polymers with fewer associated health and environmental concerns than conventional epoxies based on phenolic compounds. | 03-27-2014 |
20150094448 | SMART POLYMER MATERIALS WITH EXCESS REACTIVE MOLECULES - A three-dimensional smart polymer matrix is formed by a first epoxy chemical reaction linking a linear polymer chain and a branched polymer chain, wherein the polymer chains are flexible and one or more reactive molecule species remain unreacted, at a predetermined mathematical ratio of reacted to un-reacted molecules and molecule species, and the un-reacted molecular species are available for further chemical reaction, protonation or deprotonation after the first chemical reaction. The resulting smart polymer matrix is hydrophilic and non-soluble to a solvent or electrolyte. | 04-02-2015 |