Abstract: A tire comprises a fluorescent rubber composition based on at least an elastomer matrix, a reinforcing filler comprising between 0 and 50 phr of carbon black and between 2.5 and 15 phr of a fluorescent pigment.

Abstract: Provided is a curing agent for a water-based epoxy resin, which contains the following component (A) and component (B): (A); at least one selected from the group consisting of a polyamide amine-based curing agent (a1), a reaction product (a2) of a polyamine compound and a polyepoxy compound, and a Mannich reaction product (a3) of a polyamine compound, a phenol compound, and an aldehyde compound; (B): at least one selected from the group consisting of a reaction product (b1) of styrene and an amine compound represented by the following formula (1), and a reaction product (b2) of epichlorohydrin and an amine compound represented by the following formula (1); H2N—CH2-A-CH2—NH2??(1) wherein A is a 1,2-phenylene group, a 1,3-phenylene group, or a 1,4-phenylene group.

Abstract: Described herein is method of making branched perfluorinated compounds, specifically (CF3)2CFCF(CF3)OCF(CF3)C(?O)F and (CF3)2CFCF(CF3)OCF?CF2. Also disclosed herein is a fluoropolymer derived from the branched perfluorovinyl ether monomer and methods of making the fluoropolymer.

Abstract: Modified asphalt particles contain asphalt and a modifier. The modifier comprises poly-sulfur and free sulfur. The sulfur element accounts for 10-40 weight percent of the total amount of the modified asphalt particles, and the poly-sulfur accounts for 30-70 weight percent of the total amount of the sulfur element. The total particle size of the modified asphalt particle is smaller than or equal to 150 ?m. The modified asphalt particles have an excellent high temperature performance, and can be used for preparing drilling fluids. Water-in-oil based drilling fluid obtained from the modified asphalt particles has low plastic viscosity, high dynamic shear force, high dynamic plastic ratio, and high emulsion-breaking voltage, and improves the high temperature resistance and cutting carrying capability of a system.

Abstract: The present invention relates to a process for preparing a granular nylon salt material, wherein an aqueous mixture, comprising at least 65 wt. % of salt components, and at most 35 wt. % of an aqueous medium, the weight percentages (wt. %) being relative to the total weight of the aqueous mixture, is flashed from a pressure vessel via a flash valve into a flash chamber, thereby evaporating the aqueous medium in an amount sufficient to result in a residual moisture content of at most 7.5 wt. %, and forming a granular nylon salt material. The invention also relates to a process for preparing a nylon polymer, comprising direct solid state polymerization of the granular salt material prepared by flash granulation.

Abstract: The present invention relates to a water-soluble polymer composition which comprises a water-soluble poly(meth)acrylic polymer and a gelation rate retarding agent, and a composition for forming a plaster layer of a skin patch which is obtainable by adding a polyvalent metal compound to the water-soluble polymer composition. When a polyvalent metal compound is added, the aforesaid water-soluble polymer composition shows an appropriate induction period before the start of the hardening of the gel. When the water-soluble polymer composition is used for forming a plaster layer of a skin patch, therefore, additive ingredients can be uniformly mixed and the procedure for coating to a support can be facilitated.

Abstract: The invention pertains to certain hydro-fluorocompounds of the following formula (I): RfO—RH—O—(CH2)m-[CF(X)n]—COOXa wherein: —Xa is H, a monovalent metal (preferably an alkaline metal) or an ammonium group of formula —N(R?n)4, wherein each of R?n, equal to or different from each other, independently represents a hydrogen atom or a C1-6 hydrocarbon group (preferably an alkyl group); —Rf is a C1-C6 (per)fluoroalkyl optionally comprising one or more catenary oxygen atoms, preferably Rf is a group of formula Rf—CH2—, wherein R?f is a C1-C5 perfluorinated group, possibly comprising one or more ethereal oxygens, preferably a C1-C3 perfluorinated group, possibly comprising one or more ethereal oxygens; —RH is a fluorine-free hydrocarbon group optionally comprising one or more catenary oxygen atoms; —X is F or CF3, preferably X is F; -m is 0 or 1; -n is 1 to 3, to a process for the manufacture of said hydro-fluorocompounds, to a method of making fluoropolymers in the presence of said hydro-fluorocompounds, and to fl

Abstract: The present invention relates to hydrogels and methods for producing and using the same. In particular, some embodiments of the invention relate to hydrogels and methods for patterning the same.

Abstract: A method for the preparation of a polyamide-based composition provides for the substantially uniform dispersion of particulate silica and, optionally, mineral oil and any other lubricant additive, within a polyamide matrix. The method includes mixing particulate silica, and optionally, mineral oil and other lubricant additives, to one or more polyamide-producing monomers, and water, to form an emulsion or suspension wherein the particulate silica (and mineral oil and other lubricant additives, when added) are substantially uniformly dispersed therein, and then in situ polymerizing the monomer(s) to provide a polyamide matrix wherein the particulate silica, and optional mineral oil and other optional lubricant additives, remain substantially uniformly dispersed in the resulting polyamide matrix to form the polyamide-based composition.

Abstract: The invention provides an anionic dispersion polymerization process, wherein the polymerization is improved by an organic isothiocyanate, such as methyl isothiocyanate.

Abstract: A method of preparing a polycarbonate nanocomposite comprising forming a reactant mixture comprising a nanomaterial, a solvent, a dihydroxy compound and an activated carbonate; and polymerizing the dihydroxy compound and the activated carbonate in the presence of the solvent to form the polycarbonate nanocomposite is disclosed. Also disclosed are polycarbonate nanocomposites prepared in accordance with this method, and thermoplastic compositions comprising the polycarbonate nanocomposites. Also disclosed are polycarbonate compositions comprising the nanomaterial.

Abstract: Disclosed is a process for producing a polyamic acid solution by reacting a diamine component consisting essentially of 20 mol % to 80 mol % of p-phenylenediamine and 80 mol % to 20 mol % of diaminodiphenyl ether with a tetracarboxylic acid component consisting essentially of 10 mol % to 60 mol % of 2,3,3?,4?-biphenyltetracarboxylic dianhydride and 90 mol % to 40 mol % of 3,3?,4,4?-biphenyltetracarboxylic dianhydride in a solvent, comprising: a first step in which a diamine component is reacted with a molar excess of a tetracarboxylic acid component in a solvent containing more than ? mole of water per mole of the tetracarboxylic acid component, whereby preparing a polyamic acid solution; and a second step in which a diamine component, or a diamine component and a tetracarboxylic acid component are added to the polyamic acid solution obtained in the first step so that the molar amount of the diamine component is substantially equal to the molar amount of the tetracarboxylic acid component, and then the dia

Abstract: Water-entrained compositions comprising colloidal or suspensoidal solutions comprising polyimide pre-polymers/oligomers are described. These compositions are obtained in water by initial dispersion of the resin constituents in water to from colloids or suspensoids. The water-entrained polyimide compositions can be applied to numerous surfaces or more beneficially used for composite fabrication. The coated surfaces or polyimide-pre-polymer impregnated reinforcing materials are subsequently cured and are ideal for providing thermal protection.

Abstract: A polyimide precursor composition includes: a resin that contains a repeating unit represented by the following Formula (I) and has an imidization rate of 0.2 or less, wherein A represents a tetravalent organic group, and B represents a divalent organic group; an aliphatic cyclic amine compound; and an aqueous solvent, wherein the resin and the aliphatic cyclic amine compound are dissolved in the aqueous solvent.

Abstract: Process for preparing an aqueous polymer dispersion with small polymer particles.

Abstract: The present invention relates to a continuous process for the production of a superabsorbent polymer comprising providing an acidic liquid aqueous monomer mixture containing dissolved oxygen; continuously feeding the aqueous monomer mixture to a reactor; introducing a source of carbonate or hydrogen carbonate into the aqueous monomer mixture prior to entry into the reactor thereby forming a gas phase comprising carbon dioxide and at least a part of the dissolved oxygen, the gas phase being dispersed in the liquid phase; subjecting the gas/liquid mixture to at least partial phase separation immediately prior to or after entry into the reactor and at least partially removing the separated gaseous phase; subjecting the liquid phase in the reactor to free-radical polymerization to obtain the superabsorbent polymer, and continuously removing the superabsorbent polymer from the reactor.

Abstract: An aqueous amino resin dispersion excelling in storage stability and mechanical stability which is formed by dispersing hydrophobic amino resin in aqueous medium, using a polyester resin having specific hydroxyl value, acid value and number-average molecular weight as a dispersion stabilizer, said polyester resin being prepared by reacting polyhydric alcohol, polycarboxylic acid and/or polycarboxylic anhydride and monoepoxide compound having a long chain hydrocarbon group; thermosetting, water-based paint compositions comprising the aqueous amino resin dispersion; and multi-layered coating film-forming methods using the water-based paint compositions are provided.

Abstract: This invention relates to binder mixtures comprising mass fractions of from 70% to 98% of chain-extended epoxy amine adducts A and from 2% to 30% of carboxy functional polyesters B that contain a limited amount of aromatic constituents in mass fractions of up to 15% and have an acid number of from 4 mg/g to 50 mg/g, a method of making these binder mixtures, and a method of use thereof in coatings for metals, wood, cardboard, plaster, and concrete.

Abstract: The present invention relates to a continuous process for the production of a superabsorbent polymer comprising providing an acidic liquid aqueous monomer mixture containing dissolved oxygen; continuously feeding the aqueous monomer mixture to a reactor; introducing a source of carbonate or hydrogen carbonate into the aqueous monomer mixture prior to entry into the reactor thereby forming a gas phase comprising carbon dioxide and at least a part of the dissolved oxygen, the gas phase being dispersed in the liquid phase; subjecting the gas/liquid mixture to at least partial phase separation immediately prior to or after entry into the reactor and at least partially removing the separated gaseous phase; subjecting the liquid phase in the reactor to free-radical polymerization to obtain the superabsorbent polymer, and continuously removing the superabsorbent polymer from the reactor.

Abstract: The invention relates to a sizing composition intended to be applied to mineral fibers, especially glass or rock fibers, which contains at least one polycarboxylic acid and at least one polyamine. It also relates to a method of preparing the composition, to its use for sizing mineral fibers for the purpose of forming, in particular, thermal and/or acoustic insulation products, and to the products obtained.

Abstract: Water-entrained compositions comprising colloidal or suspensoidal solutions comprising polyimide pre-polymers/oligomers are described. These compositions are obtained in water by initial dispersion of the resin constituents in water to from colloids or suspensoids. The water-entrained polyimide compositions can be applied to numerous surfaces or more beneficially used for composite fabrication. The coated surfaces or polyimide-pre-polymer impregnated reinforcing materials are subsequently cured and are ideal for providing thermal protection.

Abstract: A method of producing a particle-shape water-absorbing resin material is realized. With this method, it is possible to prevent deterioration of properties of the particle-shape water-absorbing resin material, and reduces damages onto surfaces thereof. This method is arranged such that (a) water-absorbing resin particles are surface-treated by using a crossing agent so that surfaces of the particles are cross-linked, (b) an additive for giving a function to the particles is added to the particles, (c) and a step of mixing the particles and the additive is carried out in a step of performing particle-size regulating treatment for the particles which includes agglomerated particles.

Abstract: Provided are cold process formulation aids, methods for their manufacture, and personal care products made using them. The cold processing aids include a wax and a polymer having a backbone and a plurality of pendant groups thereon that are pendant ionic or ionizable groups, or pendant groups having at least one permanent dipole that includes an alcohol, thiol, ester, amide, imide, imine, or nitrile moiety. The backbone can be an aliphatic backbone, a polysaccharide backbone, a siloxane backbone, or a polyamide backbone. Also provided is a method of making personal care products using the cold processing aid.

Abstract: The present invention relates to a method of producing a dispersion comprising a) mixing an aqueous dispersion of silanised colloidal silica particles with at least one organic compound containing at least two hydroxyl groups to provide an aqueous dispersion of silanised colloidal silica particles and said at least one organic compound, wherein the mixing is performed in the substantial absence of any monofunctional alcohol b) withdrawing water from the formed aqueous dispersion until the remainder of water in the dispersion is below about 10 wt %. The invention also relates to a dispersion obtainable therefrom and the use of the dispersion.

Abstract: In a method for producing a lactic acid oligomer by subjecting an aqueous lactic acid solution to a polycondensation reaction under microwave irradiation, the polycondensation reaction is carried out under reduced pressure in the absence of a polymerization catalyst and an organic solvent. An initial polycondensation reaction is carried out under normal pressure, and thereafter, a reaction is carried out under reduced pressure. The pressure is reduced stepwise to give a final pressure of 2000 Pa or less. A lactic acid oligomer which has a high purity and is safe from hygiene point of view can be obtained at a low cost in a short time.

Abstract: The invention is directed to the use of maleic esters selected from compounds of formulae (I) and (II) as copolymerizable emulsifiers in the emulsion polymerization of olefinically unsaturated monomers, in which A is an alkyl group having 3 to 40 carbon atoms; X and Z independently are hydrogen or methyl; M is hydrogen, an alkali metal, alkaline earth metal, or an ammonium or other amine salt; and n and p independently are numbers in the range from 0 to 40.

Abstract: The invention is directed to the use of maleic esters selected from compounds of formulae (I), (II) and (III), as copolymerizable emulsifiers in the emulsion polymerization of olefinically unsaturated monomers, in which A is a C3-C40 alkyl group; X, Y and Z independently are hydrogen or methyl; B and D independently are sulfate, phosphate or hydrogen; n and p independently are numbers in the range from 0 to 40; and m is a number in the range from 2 to 40.

Abstract: A pigment dispersant contains (a) 5 to 30 wt % of aromatic and/or heterocyclic vinyl monomer units, (b) 10 to 30 wt % of monomer units having acid groups, (c) 40 to 80 wt % of (meth)acrylate ester monomer units, and (d) 5 to 30 wt % of monomer units having poly(C2-6-alkylene glycol) chains or mono(C1-22-alkyl)ether chains of said glycol, said poly(C2-6-alkylene glycol) chains or mono (C1-22-alkyl)ether chains having a number average molecular weight of from 150 to 1,500. A sum of the monomer units (a) to (d) amounts to 100 wt %. The pigment dispersant has an acid value of from 30 to 300 mgKOH/g, a number average molecular weight of from 5,000 to 30,000, and a content of organic compounds, boiling points of which are not higher than 250° C., of not higher than 0.2 wt %. Also disclosed are its production process, its aqueous solution and its dispersion.

Abstract: The UV-curable aqueous coating composition is characterized by using a UV-curable aqueous emulsion obtained by urethane reaction with a mixture including a poly-carbonate polyol or polyester polyol; an isocyanate compound; a urethane-reactive carboxylic acid; a UV-curable acrylic oligomer having 2 to 9 functional acrylate groups; a UV-curable acrylic monomer; and a urethane-reactive acrylate without an organic solvent. The aqueous composition provides good environmental acceptability and satisfactory film properties comparable to those of the prior oily UV-curable coating composition and, therefore, it is useful for coating various plastics.

Abstract: A composition comprising one or more polyaminoaminde epihalohydrin resins and one or more polyamides in a ratio of about 1:99 to about 99:1 based on polymer actives and use of the composition for creping paper webs.

Abstract: Methods and compositions including a compound represented by formula (I): wherein n represents an integer of from 1 to 4, RHL('s) each independently represents Cl or F, and R1 represents an alkyl group having from 8 to 20 carbon atoms.

Abstract: A process for the preparation of an elastomer capable of swelling in oil and/or in water and brine comprising the steps of: a) making an aqueous inverse emulsion of particles of a polymer comprising a betaine group prepared by inverse emulsion polymerization of monomers Ab comprising a betaine group, optionally other monomers Ba and a small quantity of polyvalent, preferably divalent or trivalent monomers Ca, comprised in an aqueous phase dispersed in the form of droplets in a hydrophobic external phase having hydrophobic surfactants, the molar ratio of the monomers Ab to the optional monomers Ba being between 4/96 and 40/60, preferably 7/93 and 30/70, the molar ratio of the polyvalent, preferably divalent or trivalent monomers Ca per mole of polymer being between 1.5 and 10, preferably between 2 and 4, and b) compounding said elastomer with the aqueous inverse emulsion obtained by step a).

Abstract: A method for preparing hydrophobically modified rheology modifiers; said method comprising polymerizing a monomer mixture having two or more components. The first component is H2C?C(R)C(O)X(CH2CH2O)n(CH(R?)CH2O)mR? or H2C?C(R)C6H4C(CH3)2NHCO2(CH2CH2O)n(CH(R?)CH2O)mR?, wherein X is O or NH, R is H or CH3, R? is C1-C2 alkyl, R? is C8-C22 alkyl or C8-C16 alkylphenyl, n is an average number from 6-100 and m is an average number from 0-50, provided that n?m and m+n is 6-100. The second component is a C3-C6 carboxylic acid monomer; wherein polymerization occurs in the presence of an oxidant, a reductant and a metal catalyst, and substantially in the absence of a peroxide, hydroperoxide or perester containing an alkyl group having at least five carbon atoms.

Abstract: A process for producing a solid dispersion comprising a resin and a functional compound dispersed therein, which comprises: kneading a powdery functional compound together with deionized water while gradually introducing the deionized water; adding a resin and, according to need, an additive to the mixture; subsequently heating and kneading the resultant mixture in a vessel which has an atmosphere causing the resin to soften at a temperature not higher than the boiling point of the deionized water and which has been tightly closed according to need so as to function like a pressure cooker to thereby disperse the functional compound into the softened resin; and kneading the resultant dispersion with heating at ordinary pressure or a reduced pressure to remove the water by vaporization.

Abstract: Polymer capsules from amphiphilic graft copolymers comprising reactive, hydrophobic polyolefin backbones, and hydrophilic poly(ethylene glycol) (PEG) grafts are produced by self-assembly of the polymers at the oil-water interface, and crosslinking the assembly with bis-cyclooctene PEG derivatives in conjunction with ring-open metathesis polymerization catalysts. The use of the graft copolymer architecture in capsule synthesis provides significant opportunities to tune both the surface properties, in terms of recognition, and the membrane properties, in terms of mechanical strength, encapsulation, and release.

Abstract: A method of producing a water dispersion of polyester resin particles containing the steps of: emulsifying and dispersing at least a diol, a dicarboxylic acid and at least one polycondensation catalyst selected from a surfactant catalyst and a rare earth metal catalyst in water to form an emulsified dispersion liquid; and irradiating the emulsified dispersion liquid with a microwave to conduct a polycondensation reaction, whereby polyester resin particles are produced.

Abstract: A curable aqueous composition is disclosed comprising a carbohydrate, a crosslinking agent, and an amine base, wherein the curable aqueous composition has a pH adjusted by the amine base. Further disclosed is a method of forming a curable aqueous solution.

Abstract: The present invention relates to a polymer emulsion coating agent, a coating controlled-release fertilizer containing said coating agent, and the method for producing the same. The polymer emulsion coating agent of present invention contains alkyd resin prepolymer with neutralization. The present invention also relates to a coating controlled-release fertilizer, which comprises a fertilizer core and a coating applied thereon, wherein said coating comprises the polymer film containing the polymer emulsion coating agent and optionally the inorganic layer containing inorganic powder outside of the polymer film.

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.

Abstract: Polymer capsules from amphiphilic graft copolymers comprising reactive, hydrophobic polyolefin backbones, and hydrophilic poly(ethylene glycol) (PEG) grafts are produced by self-assembly of the polymers at the oil-water interface, and crosslinking the assembly with bis-cyclooctene PEG derivatives in conjunction with ring-open metathesis polymerization catalysts. The use of the graft copolymer architecture in capsule synthesis provides significant opportunities to tune both the surface properties, in terms of recognition, and the membrane properties, in terms of mechanical strength, encapsulation, and release.

Abstract: An aqueous multicomponent coating material comprising (I) an aqueous component preparable by mixing at least the following starting products: (A) at least one secondary aqueous dispersion of at least one (meth)acrylate copolymer containing on average per molecule at least one isocyanate-reactive functional group, (B) at least one primary aqueous dispersion of at least one (meth)acrylate copolymer containing no isocyanate-reactive functional group, and (C) at least one pigment and/or one filler; and also (II) a component comprising at least one polyisocyanate as crosslinking agent, and also a process for preparing it, and its use.

Abstract: A filler-containing an organic polymer dispersion is provided. The organic polymer of the dispersion is polymerized in the presence of particles of at least one filler. The ratio of the particle size of the filler particles to the particle size of the polymer particles is in the range of from 1.1:1 to 20:1.

Abstract: The present invention provides an aqueous curable composition comprising (A) a compound comprising all or some primary amino groups and/or secondary amino groups optionally neutralized with a Brønsted acid, and (B) a crosslinking agent, the crosslinking agent being a compound having an (N-alkyl-N-(2-acylacyl)amino)alkyloxycarbonylamino group represented by General Formula (I) wherein R1, R2 and R3 are each independently a hydrogen atom or C1-7 alkyl group, R4 and R5 are each independently a hydrogen atom or C1-16 organic group, and Y is a straight C1-6 alkylene group optionally substituted with a C1-6 organic group as a substituent.

Abstract: The present invention provides coating compositions that include reactive diluents and have high performance, low VOC levels, and low irritation levels.

Abstract: An emulsion polymerization process comprising polymerizing monomer in an emulsion in a reaction vessel at a first temperature to form a resin; cooling the reaction vessel to a second temperature that is above the softening point of the resin yet below the temperature required for significant depolymerization reaction to occur; and adding water to the cooled reaction vessel in an amount sufficient to effect phase inversion with mixing for a sufficient time to form an aqueous latex emulsion in the absence of a surfactant.

Abstract: A process comprising polymerizing at least one fluorinated monomer in an aqueous medium containing initiator and polymerization agent to form an aqueous dispersion of particles of fluoropolymer, wherein said polymerization agent is a compound of the formula (I): Rf—O—(CF2)n—COOX??(I) wherein Rf is CF3CF2CF2—, n is an integer equal to 3, 5 or 7, and X is H, NH4, Li, Na or K.

Abstract: In a first step, a diamine is reacted with a molar excess of a tetracarboxylic dianhydride in a solvent containing more than ? mole of water per mole of the tetracarboxylic dianhydride, whereby preparing a polyamic acid solution. Subsequently, in a second step, a diamine and/or a tetracarboxylic dianhydride are added to the polyamic acid solution obtained in the first step so that the molar amount of the diamine component is substantially equal to the molar amount of the tetracarboxylic acid component, and then the diamine and the tetracarboxylic dianhydride are reacted, whereby preparing a polyamic acid solution. By this process, a polyamic acid solution having a high concentration and a low viscosity may be reproducibly and reliably produced, while controlling the molecular weight of the polyamic acid to a predetermined low level.

Abstract: An aqueous binder composition for mineral fibres comprises: a water-soluble binder component obtainable by reacting at least one alkanolamine with at least one carboxylic anhydride in proportions such that the ratio of equivalents of amine groups plus hydroxy groups (NH+OH), excluding urea, to equivalents of carboxy groups (COOH) in the binder component is within the range of from about 0.6 to about 1.5 and, optionally, treating the reaction product with a base; and urea in an amount of from about 1 to about 25 wt %, based on solids of the binder composition; the alkanolamine, carboxylic anhydride and urea reactants being employed in proportions such that the ratio of total equivalents of amine groups plus hydroxy groups (NH+OH), including urea, to equivalents of carboxy groups (COOH) in the binder composition is between and includes the following lower limit x and upper limit y: Formulae (I) and (II). x ? ? ( min ) = ( NH + OH ) COOH = 0.04 × wt . % ? ? Urea + 0.

Abstract: A composition that includes a polycarboxy oligomer or co-oligomer and a polyol.

Abstract: There are disclosed a stencil printing ink having an ink thread-forming length when a 15 mm diameter chrome steel ball is pulled out of the ink at 150 mm/s of 30 mm or longer at 23° C.; and a stencil printing ink comprising a water-based ink comprising an unsaturated straight-chain carboxylic acid-based water-soluble polymer.