Abstract: The present invention relates to compounds suitable to use as curing agents for epoxy systems which can be obtained by reacting an amine-functional compound with an ?-? unsaturated acid and/or ester and a mono-functional epoxy compound. The invention further relates to coating compositions comprising these curing agents.

Abstract: Process for producing a chlorohydrin by reaction between a multihydroxylated-aliphatic hydrocarbon, an ester of a multihydroxylated-aliphatic hydrocarbon, or a mixture thereof, and a chlorinating agent, according to which the multihydroxylated-aliphatic hydrocarbon, the ester of a multihydroxylated-aliphatic hydrocarbon, or the mixture thereof used contains at least one solid or dissolved metal salt, the process comprising a separation operation to remove at least part of the metal salt.

Abstract: Methods for preparing water soluble, non-peptidic polymers carrying carboxyl functional groups, particularly carboxylic acid functionalized poly(ethylene glycol) (PEG) polymers are disclosed, as are the products of these methods. In general, an ester reagent R(C?0)OR?, wherein R? is a tertiary group and R comprises a functional group X, is reacted with a water soluble, non-peptidic polymer POLY-Y, where Y is a functional group which reacts with X to form a covalent bond, to form a tertiary ester of the polymer, which is then treated with a strong base in aqueous solution, to form a carboxylate salt of the polymer. Typically, this carboxylate salt is then treated with an inorganic acid in aqueous solution, to convert the carboxylate salt to a carboxylic acid, thereby forming a carboxylic acid functionalized polymer.

Abstract: A method is provided for functionalizing nanoscale fibers including reacting a plurality of nanoscale fibers with at least one epoxide monomer to chemically bond the at least one epoxide monomer to surfaces of the nanoscale fibers to form functionalized nanoscale fibers. Functionalized nanoscale fibers and nanoscale fiber films are also provided.

Abstract: The use of 1,3-substituted imidazolium salts of the formula I in which R1 and R3 independently of one another are an organic radical having 1 to 20 C atoms, R2, R4, and R5 independently of one another are an H atom or an organic radical having 1 to 20 C atoms, it also being possible for R4 and R5 together to form an aliphatic or aromatic ring, X is an anion having a pKb of less than 13 (measured at 25° C., 1 bar in water or dimethyl sulfoxide), and n is 1, 2 or 3, with the exception as imidazolium salts of 1-ethyl-2,3-dimethylimidazolium acetate and 1-ethyl-2,3-dimethylimidazolium acetate-acetic acid complex, as latent catalysts for curing compositions comprising epoxy compounds.

Abstract: A surface modifying material for forming a surface modifying layer provided between a substrate and a resist film, the surface modifying material including an epoxy resin having a weight average molecular weight of 1,000 to 50,000; a method of forming a resist pattern, including: forming a surface modifying layer on a substrate using the surface modifying material, forming a resist film on the substrate, on which the surface modified layer has been formed, using a resist composition, conducting exposure of the resist film, and alkali developing the resist film to form a resist pattern; and a method of forming a pattern, including: etching the substrate, on which a resist pattern has been formed by the method of forming a resist pattern

Abstract: Process for treating a glycerol product contaminated with at least one glycerol alkyl ether in order to convert at least one portion of the glycerol alkyl ether to glycerol, in which the glycerol product is subjected to a reaction with at least one halo-de-alkoxylation agent introduced during the treatment, and in which the molar ratio of the total amount of the halo-de-alkoxylation agent to the total amount of the glycerol alkyl ether present in the glycerol product before the treatment, is greater than or equal to 0.1 and less than or equal to 1 000 000.

Abstract: (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%.

Abstract: An object of the present invention is to provide a process for producing a polyalkylene glycol derivative having such high molecular weight and purity that the derivative can be used in pharmaceutical applications. The production process of the invention produces a polyalkylene glycol derivative of the formula (X) by steps (A), (B), (C), (D), and (E). R—(OA)nOH??(X) (Step (A)) 5 to 50% by mol of an alkali catalyst is added to a compound represented by the formula (Y). R—OH??(Y) (Step (B)) An alkylene oxide having 2 to 4 carbon atoms is reacted under a condition of 50 to 130° C. until the average number of moles of an oxyalkylene group OA added reaches the range of 5 to 500 to obtain a polyalkylene glycol derivative. (Step (C)) 10 to 5000% by mass of a hydrocarbon solvent is added to the derivative of the step (B) to dilute it, and remaining water is removed by azeotropy.

Abstract: The present invention provides epoxy curing agent compositions comprising alkylated aminopropylated methylene-di-(cyclohexylamine) compounds. Amine-epoxy compositions and articles produced from these amine-epoxy compositions are also disclosed.

Abstract: The present invention relates to polymerizable compositions, comprising at least two specific benzoxazines and to cured products obtained from the polymerizable compositions. More particularly, the present invention relates to increasing the polymerization rate of polymerizable compositions via incorporation of at least one specific benzoxazine.

Abstract: The invention provides a conjugate comprising a hyperbranched polymer covalently bonded to at least three UV absorbing chromophores having an UV absorption maximum ?max?270 nm. The conjugate is an effective and safe sunscreen which can advantageously be used in cosmetic compositions.

Abstract: Disclosed is a novel epoxy-amine composition modified a hydroxyalkyl urethane, which is obtained as a result of a reaction between a primary amine (C1) and a monocyclocarbonate (C2), wherein modifier (C) is represented by the following formula (1): wherein R1 is a residue of the primary amine, R2 and R3 are the same or different and are selected from the group consisting of H, alkyl, hydroxyalkyl, and n satisfies the following condition: n?2. Diluents, pigments and additives can be used. Doping with the hydroxyalkyl-urethane modifier imparts to the cured composition superior coating performance characteristics, such as pot-life/drying, strength-stress, bonding, appearance, resistance to abrasion and solvents, etc., in a well-balanced state.

Abstract: Subject The main aim of the invention is to provide a polymerizable liquid crystal compound that has a liquid crystal phase with a wide temperature range centering at room temperature, has an excellent compatibility with another polymerizable liquid crystal compound, has an excellent solubility in an organic solvent and is polymerizable even in air by heat or light. Means for Solving the Subject A polymerizable liquid crystal compound represented by formula (1-1) or formula (1-2): wherein A1 and A2 are a divalent cyclic-structure group such as cyclohexylene and phenylene; Z1 is a bonding group such as a single bond and —O—; m is an integer from 1 to 5; Q1 and Q2 are alkylene having 1 to 20 carbons; R1 is fluorine, cyano, trifluoromethyl, trifluoromethoxy, alkyl, alkoxy and so forth; and Ra and Rb is hydrogen, halogen or alkyl.

Abstract: The invention relates to oligomers of cholic acid, cholate derivatives and amino acids called “foldamers” that undergo conformational changes in response to changes in temperature, solvent polarity, small molecules, metal ions, and pH. The foldamers can be used in self-assembling monolayers, or as environmental probes to detect changes in the environment, or as protective agents useful for protecting labile materials from the environment, or as a controlled delivery system for delivering drugs and other useful agents to specific in vivo or in vitro sites.

Abstract: An epoxy resin possessing one or more primary hydroxyl groups and one or more epoxy groups in one molecule is useful in a photo-curing method.

Abstract: The present application discloses a method of modifying a macromolecule, the method comprising the steps of (i) providing the macromolecule; (ii) providing a compound of the general formula (I): wherein N is a primary amino group protected with the protecting group P, wherein the protecting group involves both free valences of the primary amino group; m is an integer of 1-12 and n is an integer of 1-2000; R1 and R2 are independently selected from the group consisting of hydrogen and C1-4-alkyl; and X is a reactive group; and (iii) allowing the compound of the general formula (I) to react with the macromolecule so as to form grafts on the macromolecule. Compounds of the general formula (i) and a method for the preparation thereof are also disclosed.

Abstract: It has been discovered that the use of a silica dispersing aid, a polymerized (substituted) imidazolium liquid ionomer (PSI), in vulcanizable rubber compositions, provides an increase in the compound modulus and satisfactory processing of silica-containing rubber compounds, especially for tire components, without sacrificing other beneficial rubber properties or increasing hysteresis.

Abstract: The invention is directed to novel poly(ether-ester)polyols, processes for their production from monocarboxylic or polycarboxylic acid esters with one or more bound polyether chain(s). This invention also relates to the production of polyurethane materials in which the isocyanate-reactive component comprises these poly(ether-ester)polyols.

Abstract: An epoxy/modified silicon dioxide corrosion resistant nanocomposite material and a preparation method thereof are disclosed. The method includes the steps of: dispersing TS(TEOS-SiO2) or APTES/TEOS-SiO2 (TAS) in solvent so as to form TS solution or TAS solution; adding triphenylolmethane triglycidyl ether and 1,4-butanediol diglycidyl ether into the TS solution or TAS solution to produce glycidyl ether/TS solution or glycidyl ether/TAS solution. Add a curing agent into the glycidyl ether/TS solution or glycidyl ether/TAS solution to generate epoxy/TS solution or epoxy/TAS solution. After curing, obtain epoxy/modified silicon dioxide nanocomposite corrosion resistant material. The material is applied to optoelectronics or other fields for corrosion prevention.

Abstract: A composition comprising glycerol and at least one cyclic oligomer of glycerol, a process for obtaining the composition, and its use in the manufacture of dichloropropanol and of derived products such as epichlorohydrin and epoxy resins.

Abstract: The present invention provides a modified curing agent for a thermosetting resin, such as epoxy resin. As one example, the epoxy curing agent comprises: (a) multiple nano graphene platelets; (b) a chemical functional group having multiple ends with a first end being bonded to a nano graphene platelet and at least a second end reactive with the epoxy resin; and (c) reactive molecules acting as a primary cross-linking agent for the epoxy resin; wherein the nano graphene platelet content is no less than 0.01% by weight based on the total weight of the modified curing agent. A modified curing agent containing reactive molecule-functionalized NGPs enable excellent dispersion of NGP in a resin matrix and the resulting nanocomposites exhibit much better properties than those of corresponding nanocomposites prepared by directly mixing dried NGPs with the thermosetting resins.

Abstract: Two-component epoxy resin compositions are disclosed. The polyepoxide component comprises one or more oligomers having at least one aromatic ring substituent R4X1—in which R4 represents a substituted or unsubstituted aliphatic group having at least 4 carbon atoms, a substituted or unsubstituted cycloaliphatic group having at least 5 carbon atoms, a poly(oxyalkylene) group wherein the average number of carbon atoms per oxyalkylene unit is at least 3, or a aryl group having one or more of the foregoing substituents, bonded directly to the aryl group via a covalent bond or bonded to the aryl group via an oxy, a thio, or a carbonyloxy divalent linking group, or a combination thereof, and X1 represents a covalent bond or a divalent moiety selected from oxy, thio, carbonyloxy, and —X2C(R2)2C(R1)(OH)C(R2)2O—, in which X2 represents a covalent bond or a divalent moiety selected from oxy, thio, and carbonyloxy, R1 represents —H or —C1-14 alkyl, and each R independently represents —H or —CH3.

Abstract: Provided are functionalized nanodiamonds. Also provided are methods for fabricating such functionalized nanodiamonds. Also provided are composites including nanodiamonds and polymers. Also provided are methods for fabricating such composites including nanodiamonds and polymers. Also provided are electrospun fibers including nanodiamonds and polymers. Also provided are methods for fabricating such electrospun fibers including nanodiamonds and polymers.

Abstract: The present invention provides coating systems for surfaces and methods for coating and repairing surfaces.

Abstract: An object of the invention is to provide a solid composite material easily molded into a desirable shape and superior both in hardness and toughness, and a method of producing the same. A solid composite material 1 having an organic matrix of fibrous organic polymers of nonionic polymer and fine particles of a crystalline metal carbonate having an average diameter of 30 nm or less dispersed therein and a production method thereof. The production method includes mixing, gelation, and reactive precipitation steps. In the mixing step, a liquid mixture is prepared by mixing a hydrophilic nonionic polymers with a metal ion source in water. In the gelation step, the nonionic polymer in the liquid mixture is allowed to gel, to give a gel solvent. In the reactive precipitation step, a metal carbonate is precipitated by adding a carbonic acid source to the gel solvent.

Abstract: A process for purification of water soluble polymers is provided. A polymer of interest can be separated from a mixture of polymers, provided the polymer of interest differs from other polymers in the mixture in the number of reactive terminal groups. The process involves derivatizing polymers at the reactive terminal groups with a derivatizing molecule, bearing either (i) two or three cationic or anionic ionizable groups, and a group capable of covalent bonding to the reactive terminal groups or (ii) three or four ionizable groups, at least one of which is capable of covalent bonding to the reactive terminal groups; followed by ion exchange. The process allows removal of PEG from MPEG, and can be used for polymers having an average size greater than 9,000 Da Derivatization may be reversible in order to allow re-use of recovered contaminant polymers.

Abstract: An oxirane compound of following Formula (1), such as glycidol, is reacted in the presence of a powdered activated carbon, where necessary, with an initiator such as a polyhydric alcohol, an aliphatic alcohol, or an aliphatic carboxylic acid, to yield, for example, a polyglycidol, a polyglycidol alkyl ether, or a polyglycidol alkyl ester. wherein R1 and R2 may be the same as or different from each other and each represent one selected from hydrogen (H); a branched- or straight-chain alkyl group having one to thirty carbon atoms or an aryl group; and a functional group represented by —CH2-M, wherein M represents OH, F, Cl, Br, or —OR3, wherein R3 represents an alkyl group having one to twenty carbon atoms, allyl group, or an aryl group. A target compound can be obtained in a high yield with high quality according to this invention, from which the catalyst can be easily separated.

Abstract: An isobutene polymer which has an average of at least 1.4 terminal 1,3-propanediol groups is described, as is a crosslinking product thereof. Suitable crosslinkers are difunctional or higher-functionality isocyanates or epoxy compounds having at least two epoxide groups. The crosslinking products exhibit high storage moduli even at elevated temperatures.

Abstract: The invention provides a polymer composition which contains a bound heat accumulating phase change material which is in the form of a solid or a paste. This composition is so stable and has such a solid form that it may be easily heated up to 180 (200)° C. and mechanically treated without changing the structure and the composition thereof and without losing its phase change materials. After being heated up the heat emission of this composition is steady and consequently the composition has a long radiation time. Furthermore the polymer composition is easy to produce and has due to its special properties a lot of applications.

Abstract: Compounds exhibiting angiogenic properties incorporating the structure of Formula I: R3—NH—NH—C(?O)—R2—P—R1??(I) wherein P is a water-soluble, biodegradable polymer, R1 is hydrogen, lower alkyl, lower alkoxy or —R2—C(?O)—NH—NH—R3; each R2 is independently —CH2—, —NH— or O; and each R3 is independently hydrogen or a residue of a naturally occurring alpha-L-amino acid or dipeptide thereof. Polymer networks crosslinked with hydrazide compounds are also disclosed, together with implantable medical devices incorporating the compounds and crosslinked polymers, and angiogenesis-promoting treatment methods, including wound-treatment methods.

Abstract: An electrochromic display module employing a unique combination of architecture and electrochromic composition to provide an extended life to the module. The architecture may involve the use of an extended seal about a perimeter of a display portion where the composition is located. In this manner, the rate of solvent leakage from the composition may be substantially reduced. Additionally, the electrochromic composition itself may make use of particular low volatility solvents and constituent combinations so as to discourage the amount particle generation therein. Ultimately, an electrochromic display module having a useful life of more than about 3 years may be provided.

Abstract: A polyfunctional epoxy compound, represented by a formula (I), comprising a nucleophilic organic group A having a nucleophilic group other than an epoxy group, and an epoxy-containing group B having an epoxy group: A-R?B)n??(I) wherein R represents an organic group of (n+1) valence, and n represents 2 or 3.

Abstract: It is an object of the present invention to provide a curable resin composition, having excellent workability (thixotropic properties and applicability) required in applications such as floor adhesives, without causing a decrease in mechanical properties, which contains an organic polymer having a reactive silicon group. The object is attained by a curable resin composition including: an organic polymer (A) having a reactive silicon group; a filler (B) obtained through a combination of three types of filler, namely a filler (B1) having an average particle diameter of less than 0.5 ?m, a filler (B2) having an average particle diameter of not less than 0.5 ?m to less than 10 ?m, and a filler (B3) having an average particle diameter of not less than 10 ?m.

Abstract: 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.

Abstract: Embodiments of the present disclosure set forth a prepreg. In one embodiment, the prepreg includes a fibrous material and a resin blend. The resin blend includes an epoxy compound, a compound having a ring structure, and a crosslinking agent. The resin blend has been heated to a temperature substantially greater than 225 degrees Celsius in a curing process when preparing the prepreg.

Abstract: A non-fibrous, apertured membrane comprises at least one thermoplastic polymeric material and has a discrete porous structure. The membrane is soluble in the thermoset matrix polymer of a composite material.

Abstract: The present invention relates to thermoset resin fibre components, composite materials comprising thermoset resin fibre components, composite articles manufactured using such composite materials and methodologies for manufacturing same. The thermoset resin fibre components may comprise a single fibre of thermoset resin or a plurality of fibres commingled together. There properties and characteristics of the thermoset resin used are chosen according to the material to be produced therefrom. The thermoset fibre components may be woven into reinforcement fibres to form prepregs. Thermoplastic fibres may be commingled and co-woven with the thermoset fibre components.

Abstract: Glycidyl 2-propylheptanoate, glycidyl 4-methyl-2-propylhexanoate or a mixture of these (referred to collectively for short as glycidyl ester).

Abstract: Manufacture of dichloropropanol Process for manufacturing dichloropropanol wherein a glycerol-based product comprising at least one diol containing at least 3 carbon atoms other than 1,2-propanediol, is reacted with a chlorinating agent, and of products derived from dichloropropanol such as epichlorohydrin and epoxy resins. No figure.

Abstract: The present invention provides methods for purifying polymers. In each embodiment of the invention disclosed herein, a supercritical fluid is contacted with an organic solution that includes a polymer to be purified dissolved in an organic solvent. The supercritical fluid extracts the organic solvent from the organic solution. Impurities such as residual monomers and process solvents are removed with the organic solvent and supercritical fluid, thereby purifying the polymer. The methods of the invention are particularly suitable for use in the purification of biodegradable polymers for use in pharmaceutical applications.

Abstract: There is disclosed a biomass-derived epoxy compound as an epoxidized product of a raw-material biomass-derived compound having a weight-average molecular weight of 300 to 10000. The biomass-derived epoxy compound has a weight-average molecular weight of 600 to 20000 and is soluble in an organic solvent for the preparation of a varnish. The epoxy compound is prepared by dissolving the raw-material biomass-derived compound in an aqueous alkali solution; adding epichlorohydrin to the solution and heating the mixture; and evaporating epichlorohydrin from the heated mixture and precipitating a biomass-derived epoxy compound, in which the aqueous alkali solution has a pH of 13.5 to 11.0. The biomass-derived epoxy compound has both high solubility in organic solvents and satisfactory heat resistance and can be manufactured in a high yield on the basis of the raw material through a less number of processes.

Abstract: The present invention provides novel bimetallic complexes and methods of using the same in the isoselective polymerization of epoxides. The invention also provides methods of kinetic resolution of epoxides. The invention further provides polyethers with high enantiomeric excess that are useful in applications ranging from consumer goods to materials.

Abstract: In one aspect, embodiments disclosed herein relate to a process for curing a thermoset composition, including: reacting a curable composition comprising an epoxy resin, an epoxy-reactive compound, and a catalyst, wherein there is a stoichiometric excess of the epoxy resin; to form an intermediate product having unreacted epoxy groups and secondary hydroxyl groups; and etherifying at least a portion of the unreacted epoxy groups and the secondary hydroxyl groups, catalyzed by the catalyst, to form a thermoset composition.

Abstract: Novel compositions of matter comprise certain derivatives of 9,9-dialkyl fluorene diamine (AFDA). The resultant compositions, whether compositions of matter or monomers that are subsequently incorporated into a polymer, are unique and useful in a variety of applications. Useful applications of AFDA-based material include heavy ion radiation shielding components and components of optical and electronic devices.

Abstract: An actinic energy ray-curable resin is obtained by reacting an unsaturated monocarboxylic acid (c) with a terminal epoxy group of an epoxy resin having an unsaturated group and a hydroxyl group in its side chains and an epoxy group in its terminal and further reacting a polybasic acid anhydride (d) with the hydroxyl group of the above-mentioned epoxy resin, wherein the above-mentioned epoxy resin is a product of the polyaddition reaction of a reaction product (I) of a polybasic acid anhydride (a) and a compound (b) having at least one unsaturated double bond and one alcoholic hydroxyl group in its molecule, a compound (II) having at least two carboxyl groups in its molecule, and a bifunctional epoxy compound (III), wherein at least either one of the carboxyl group-containing compound (II) and the bifunctional epoxy compound (III) is a compound containing no aromatic ring.

Abstract: A polymerizable liquid crystal composition is provided that is excellent in UV curing characteristics in the air and is excellent in orientation homogeneity, and a polymer film as a selective reflection film is provided that is obtained by orienting and polymerizing the composition on a supporting substrate. The liquid crystal composition contains a compound (1), a compound (2), a compound (3), a compound selected from a group of compounds represented by the formulae (4) to (6), and a surfactant. In the following formulae Y1 to Y4 and Y6 are each alkylene, A2, A3, A41, A42, A51, A52 and A6 are each a cyclic group, Z2 to Z4 and Z6 are each a bonding group, P4 and P6 are each an integer of from 0 to 3, R2, R31 and R32 are each hydrogen, halogen or alkyl, and Q1 and Q2 are each a polymerizable group.

Abstract: A building or construction material comprises a fluorinated polymer system. The fluorinated polymer system is heat weldable and waterproofing, which shows improved adhesion properties and has a wide range of applications in building and construction industries.

Abstract: To provide such a base multiplying agent capable of being used for crosslinking reaction, for example of a epoxy compound and the like, that generates another base by action of a base, and can efficiently perform base multiplying reaction, and a base-reactive curable composition using the base multiplying agent. The base generating agent of the invention is represented by the following formula (1): (In the formula (1), X represents a hydrogen atom, a substituted alkyl group or an unsubstituted alkyl group; Y represents a substituted or unsubstituted alkylene chain; and n represents an integer of from 1 to 4.

Abstract: Process for manufacturing dichloropropanol via reaction between glycerol and/or monochloropropanediol and a chlorinating agent in a reactor which is supplied with one or more liquid streams, in which the sum of the glycerol and monochloropropanediol contents in all the liquid streams introduced into the reactor is less than 50 wt % and in which all the liquid streams introduced into the reactor comprise at least one liquid recycling stream, the recycling stream forming at least 10 wt % of all the liquid streams introduced into the reactor.