Abstract: The invention relates to sized reinforcing fibers that comprise a reinforcing fiber sized with a fluoropolymer. The fluoropolymer is functionalized and/or the reinforcing fiber is sized with a compatible functional non-fluorinated polymer that is compatible with the fluoropolymer. Functionalization of the fluoropolymer or the compatible non-fluorinated polymer provides enhanced properties, such as increased adhesion to the reinforcing fiber.

Abstract: Provided are a process, the process includes (i) first, contacting a textile with an aqueous solution containing a cationic hydroxyethylcellulose polymer to form a modified textile component; (ii) subsequently, impregnating the modified textile component with an aqueous polyurethane dispersion externally stabilized with an anionic surfactant, the aqueous polyurethane dispersion including a second surfactant; and (iii) precipitating the polyurethane in the modified textile component. Also disclosed are a synthetic leather produced by the process.

Abstract: Toner includes, as toner particles, first particles and second particles. The first particles each include a first core and a first shell layer covering a surface of the first core. The first core contains a first binder resin and is free from metal stearates. The second particles each include a second core and a second shell layer covering a surface of the second core. The second core contains a metal stearate. The first shell layer and the second shell layer are formed of resins of the same type, respectively. The content of the metal stearate in the second core is 50% by mass or more with respect to the mass of the second core as a whole. The number ratio of the second particles is 5% or more but 25% or less of the total number of the first particles and the second particles.

Abstract: The present invention relates to a method for preparing a graft copolymer complex, a copolymer complex prepared by the method, and a thermoplastic resin composition comprising the copolymer complex, wherein the method comprises emulsion-polymerizing a conjugated diene-based polymer, an aromatic vinyl-based monomer, and an alkyl (meth)acrylate-based monomer to prepare a graft copolymer latex; and adding an imidazole-based ionic compound to the graft copolymer latex and coagulating the same.

Abstract: Powder compositions comprising alkali metal bicarbonate particles and an additive. A process for preparing alkali metal bicarbonate particles by spray-drying of an aqueous solution or suspension comprising 1-10% by weight of alkali metal bicarbonate and a resin acid or a fatty acid as additive. A process for preparing alkali metal bicarbonate particles by co-grinding the alkali metal bicarbonate in the presence of a resin acid as additive. A process for preparing alkali metal bicarbonate particles by fluidized bed coating of the alkali metal bicarbonate in the presence of a resin acid, fatty acid or a wax as additive.

Abstract: Provided are processes for making a polymer composition comprising (i) providing a multistage polymer latex by emulsion polymerization in the presence of a phosphate surfactant, wherein the multistage polymer comprises (a) a first stage polymer having a Tg of ?20° C. or lower, and (b) a final stage polymer having a Tg of 50° C. or higher, (ii) coagulating the multistage polymer latex, (iii) treating the coagulated multistage polymer with an alkaline phosphate, (iv) drying the coagulated multistage polymer to a water content of less than 1 weight % based on the dry weight of the multistage polymer, wherein the weight of the dried multistage polymer comprises 100 ppm or more, based on the dry weight of the multistage polymer, of phosphorous that is in the form of an alkaline phosphate. Also provided are processes for making matrix resin compositions comprising such polymer compositions and a matrix resin.

Abstract: The present invention relates to a method of preparing a modified conjugated diene-based polymer, and more particularly, to a method of preparing a modified conjugated diene-based polymer, including: (S1) preparing an active polymer with an organic metal bonded thereto by polymerizing a conjugated diene-based monomer in a hydrocarbon solvent in the presence of an organometallic compound; and (S2) mixing the active polymer prepared according to process S1 with a modifier, wherein the mixing of process S2 is performed at a Reynolds number of 20 or less for 1 minute or more, the Reynolds number being maintained within a range of ±5 of a Reynolds number when the modifier is added (wherein the range is between greater than 0 to 20 or less).

Abstract: The invention relates to graft copolymers (B) composed of an agglomerated graft core (B1) and at least one graft shell (B2) and also to copolymers (C) having an agglomerating effect, a method for producing said graft copolymers (B), thermoplastic molding compositions and also the use of the thermoplastic molding compositions.

Abstract: Wellbore strengthening compositions may include a base fluid; and a solid gum rosin additive, wherein the solid gum rosin additive has an average particle size of 1 ?m to 15 mm. Methods may include emplacing a wellbore fluid containing a solid gum rosin additive into a wellbore, wherein the solid gum rosin additive has an average particle size of 1 ?m to 15 mm.

Abstract: The present invention aims to provide a fluororesin-aluminum oxide mixed dispersion wherein both fluororesin particle and aluminum oxide particle uniformly float and disperse in an aqueous solvent. The fluororesin-aluminum oxide mixed dispersion is obtained by mixing aqueous dispersion of fluororesin particle and aluminum oxide particle sol, wherein both the fluororesin particle and the aluminum oxide particle float and disperse, and wherein the dispersion state is stably maintained for three days or more. A solid product obtained by evaporation and scattering of the solvent from the above-described fluororesin-aluminum oxide mixed dispersion has a heat resistance of not less than 330° C.

Abstract: A first tire member manufacturing method includes an operation in which a master batch is made, and an operation in which the master batch, peptizing agent, and processing additive are mixed. The operation in which the master batch is made includes an operation in which carbon-black-containing pre-coagulation rubber latex is coagulated to obtain a coagulum, an operation in which a compound according to Formula (I), below, is added to the water-containing coagulum, and an operation in which the compound according to Formula (I) is dispersed within the coagulum. In Formula (I), R1 and R2 each indicates a hydrogen atom, an alkyl group having 1 to 20 carbons, an alkenyl group having 1 to 20 carbons, or an alkynyl group having 1 to 20 carbons. R1 and R2 may be the same or different. M+ indicates sodium ion, potassium ion, or lithium ion.

Abstract: Process for the preparation of a nitrile rubber comprising: —subjecting at least one ?,?-unsaturated nitrile, at least one conjugated diene and, optionally, one or more further copolymerizable monomers, to emulsion polymerization, in the presence of at least one alkyl thiol containing from 12 to 16 carbon atoms and at least three tertiary carbon atoms and having the sulfur bound to one of said tertiary carbon atoms, at a pH ranging from 7 to 10, preferably from 8 to 9, obtaining a latex; —subjecting said latex to coagulation, in the presence of at least one metal sulfate selected from magnesium, sodium, potassium, preferably magnesium, at a temperature higher than or equal to 30° C., preferably ranging from 40° C. to 60° C.

Abstract: The present disclosure relates to a resin composition comprising a copolymer including: (A) 100 parts by weight of units derived from a polycyclic aromatic monomer including a vinyl group, (B) 100 to 600 parts by weight of units derived from a styrene monomer, (C) 100 to 600 parts by weight of units derived from an acid anhydride monomer, and (D) 150 to 1000 parts by weight of units derived from a (meth)acrylate monomer, and an optical film including the resin composition and having reverse wavelength dispersion characteristics.

Abstract: A coating system, a method of coating a substrate, and a coated substrate (e.g., a coated cement fiberboard article) include one or more latex polymers, an aliphatic epoxy resin system, optionally a silicate additive, and optionally one or more olefinic compounds and an initiator. The coating system may be applied in one or more layers and may be applied to all the surfaces of the substrate (e.g., the front side, back side and edges of a board). The coated substrate may then be coated with other optional coatings, e.g., decorative or protective topcoats.

Abstract: The natural rubber of the present invention is natural rubber obtained by leaving standing for a prescribed period of time a hydrous coagulum obtained from a natural rubber latex to which a preservative is added and/or from a coagulum of a natural rubber latex to which a preservative is added and drying it. The natural rubber coagulum is inhibited from being changed in a molecular weight even in a standing step (aging) in a high moisture condition, whereby the natural rubber having stable mechanical properties is obtained. An isothiazoline base compound is used for the preservative. Further, a rubber composition containing the natural rubber is prepared, and a tire is produced by using the rubber composition.

Abstract: A polymer composition is disclosed wherein inorganic particles are uniformly dispersed at the nano level in a polymer without having the inorganic particles being surface-treated. Further disclosed is a method for manufacturing a polymer composition wherein a co-aggregate which is obtained by uniformly mixing polymer dispersion with an inorganic particle colloidal solution and co-aggregating the polymer primary particles and inorganic particles which are heterogeneous particles, is separated from the solvent and dried so that the inorganic particles are uniformly dispersed at the nano level in the polymer.

Abstract: The invention relates to a method for producing polymeric solids free of auxiliary emulators starting from polymer latices (dispersion), wherein a polymer dispersion with a starting ph-value greater than 9 is set to a ph-value of 6 to 9 by adding gaseous carbon dioxide and the polymer dispersion is subsequently coagulated by shearing and/or freezing.

Abstract: Described is a continuous process for preparing nanodispersions including providing a composition comprising a liquid and a solute; heating the composition to dissolution of the solute to form a solution comprising the solute dissolved in the liquid; directing the heated solution through a continuous tube wherein the continuous tube has a first end for receiving the solution, a continuous flow-through passageway disposed in an ultrasonic heat exchanger, and a second end for discharging a product stream; treating the heated solution as the solution passes through the continuous flow-through passageway disposed in the ultrasonic heat exchanger to form the product stream comprising nanometer size particles in the liquid; optionally, collecting the product stream in a product receiving vessel; and optionally, filtering the product stream.

Abstract: A process for making an ultra high solids emulsion adhesive that is coatable and dryable at room temperature. The process consists of increasing solids using a phase inversion process to accomplish the addition of increased solids into aqueous formulations thereby obtaining emulsion pressure sensitive adhesives with solids content in excess of 60%.

Abstract: A film-forming composition including a coalescent aid comprising fatty acid esters of ethylene glycol and/or propylene glycol having the formula R1COO[(EO)x(PO)y]zH wherein R1CO is a linear saturated aliphatic acyl group, or a combination thereof, having from about 6 to about 22 carbon atoms, EO is —CH2CH2O—, PO is —CH2CH(CH3)O— or —CH(CH3)CH2O— or a combination thereof, where the acyl radical is bonded to a carbon atom of the EO or PO radical, and x=0 to about 5, y=about 0 to about 5, the sum of x and y is equal or greater than 0.5, z=1 to about 5, and (x+y)z is less than or equal to 6. It is to be understood that x, y, and z are average values for the composition.

Abstract: A process for making a latex emulsion suitable for use in a toner composition includes contacting at least one amorphous polyester resin with a viscosity reducing additive in the absence of an organic solvent to form a resin mixture either via an extruder or batch process, and adding a surfactant, neutralizing agent, and deionized water to the resin mixture.

Abstract: The present invention provides an oil extended rubber for a tire, which is obtained by a process for preparing an oil extended rubber for a tire, comprising: (a) a step of preparing an oil-in-water type emulsion by emulsifying a vegetable oil having an iodine value of not less than 135 with a surfactant; (b) a step of mixing said emulsion of vegetable oil and a modified natural rubber latex, and then maturing the mixture; and (c) a step of coagulating the mixture obtained in the step (b) to obtain a lump of a rubber.

Abstract: A method for forming an electrostatic latent image developing toner including mixing in a stirring tank a resin particle dispersion with at least a colorant particle dispersion prepared by dispersing a colorant and in some cases with a release agent particle dispersion prepared by dispersing a release agent; aggregating in the stirring tank the resin particles with the pigment particles and the release agent particles to form aggregate particles; and then conducting heating in the stirring tank to fuse the aggregate particles, wherein the method further comprises during a fusion step, suppressing with an accumulation suppression unit accumulation of aggregate particles. The accumulation suppression unit is a magnetic field forming unit that forms a magnetic field either continuously or intermittently. The toner has an average sphericity of at least 0.94 but no more than 0.98 and particle characteristics as defined in the specification.

Abstract: The invention consists of a method for manufacturing an aqueous formulation containing at least one oil, and comprising the steps of mixing at least one associative polymer, one oil, and water, encapsulating the oil by increasing the pH to a value greater than 8, potentially precipitating the mixture by reducing the pH to a value less than 6, and potentially isolating the resulting particles by removing the water. The aqueous formulations, as with the aqueous dispersions, and the resulting solid particles constitute other objects of the invention.

Abstract: Processes for continuously forming latex emulsions useful in preparing toners are provided which do not require the use of solvents.

Abstract: An aqueous elastomer dispersion includes a dispersed phase and an aqueous phase. The dispersed phase includes an elastomer including curable aliphatic conjugated-diene elastomers, such as polyisoprene, and a minor amount of at least one additive. The aqueous phase includes water and other optional components in either a soluble state or a dispersion state. The aqueous elastomer dispersion may be prepared by dissolving an elastomer, such as rubber, and additives in a solvent mixture and then converting the resulting solution into an aqueous emulsion. The aqueous emulsion is concentrated and the solvent is stripped from it to yield a dilute latex. The dilute latex that is obtained is concentrated again. Articles made from the aqueous elastomer dispersion include medical gloves, condoms, probe covers, dental dams, finger cots, catheters and the like.

Abstract: A process is proposed for coagulation of an aqueous polymer dispersion, which comprises, during or after the coagulation, converting the dissolved coagulation salt into an insoluble form.

Abstract: This invention provide an aqueous PTFE dispersion and a process for efficiently producing the aqueous PTFE dispersion for coagulation processing having excellent coagulation properties of PTFE microparticles. The process involves adding a synthetic adsorbent, having a specific surface area of from 100 to 2,000 m2/g, to an aqueous PTFE dispersion containing both PTFE microparticles, having an average particle size of from 0.10 to 0.50 ?m, and a nonionic surfactant, followed by stirring or shaking and then separation into a liquid phase and a solid phase, and recovering an aqueous PTFE dispersion which contains from 45 to 70 mass % of PTFE microparticles having an average particle size of from 0.10 to 0.50 ?m and from 1.4 to 2.1 mass %, based on the mass of the PTFE microparticles, of a nonionic surfactant.

Abstract: The present disclosure provides processes for producing resins suitable for use in forming toner compositions. In embodiments, the processes described herein comprise formation of latexes, including latexes for use in toners, produced without use of solvents.

Abstract: Waterborne coating compositions are disclosed that include a latex emulsion polymer, and, as a coalescent, a levulinic acid ester of a monohydric aliphatic alcohol having from 10 to 20 carbon atoms. The coating compositions of the invention have a reduced VOC content, and provide improved coalescing activity compared with esters of polyols such as glycerol.

Abstract: Described herein is a process for making PTFE having a standard specific gravity of less than 2.160 g/cm3 comprising: polymerizing a tetrafluoroethylene monomer in an aqueous medium comprising an emulsifier and an initiator in a reaction vessel and contacting the aqueous medium with a fluorinated polyether. Also described herein are the polymerizable compositions and articles thereof.

Abstract: A film-forming composition including a coalescent aid comprising fatty acid esters of ethylene glycol and/or propylene glycol having the formula R1COO[(EO)x(PO)y]zH wherein R1CO is a linear saturated aliphatic acyl group, or a combination thereof, having from about 6 to about 22 carbon atoms, EO is —CH2CH2O—, PO is —CH2CH(CH3)O— or —CH(CH3)CH2O— or a combination thereof, where the acyl radical is bonded to a carbon atom of the EO or PO radical, and x=0 to about 5, y=about 0 to about 5, the sum of x and y is equal or greater than 0.5, z=1 to about 5, and (x+y)z is less than or equal to 6. It is to be understood that x, y, and z are average values for the composition.

Abstract: The present invention relates to styrene-butadiene copolymers (SBR) that are prepared using aqueous emulsion polymerization technology and are intended for the adhesive and sealing industry, being particularly useful in the preparation of contact adhesives and pressure-sensitive adhesives (PSA) and widely applicable in the footwear and furniture industries. The use of this kind of elastomer in processes for preparing adhesives, having an aqueous or solvent base, provides high cohesion to adhesive compositions without compromising or jeopardizing the adhesion. The present invention is also intended to protect the process for obtaining SBR copolymers, simultaneously comprising: aqueous emulsion polymerization at high temperatures, the use of a specific surfactant and the maintenance of the Mooney viscosity and the combined styrene content in the copolymer in high ranges.

Abstract: Waterborne coating compositions are disclosed that include a latex emulsion polymer, and, as a coalescent, a levulinic acid ester of a monohydric aliphatic alcohol having from 10 to 20 carbon atoms. The coating compositions of the invention have a reduced VOC content, and provide improved coalescing activity compared with esters of polyols such as glycerol.

Abstract: Co-agglomerated dispersions and methods for their preparation are described herein. The co-agglomerated dispersions are prepared by co-agglomerating an anionic polymer dispersion and inert particles. The polymers for use in the co-agglomerated dispersions are derived from one or more monomers including at least one conjugated diene monomer. The inert particles have a particle size of less than 2 ?m. Also described herein is an aqueous dispersion including co-agglomerated particles formed from at least one polymer and at least one inert material. Further described herein are foamed polymers, latex-based adhesives, waterproofing membranes, sound absorbing coatings, and methods for their preparation and use.

Abstract: A film-forming composition including a coalescent aid comprising fatty acid esters of ethylene glycol and/or propylene glycol having the formula R1COO[(EO)x(PO)y]zH wherein R1CO is a linear saturated aliphatic acyl group, or a combination thereof, having from about 6 to about 22 carbon atoms, EO is —CH2CH2O—, PO is —CH2CH(CH3)O— or —CH(CH3)CH2O— or a combination thereof, where the acyl radical is bonded to a carbon atom of the EO or PO radical, and x=0 to about 5, y=about 0 to about 5, the sum of x and y is equal or greater than 0.5, z=1 to about 5, and (x+y)z is less than or equal to 6. It is to be understood that x, y, and z are average values for the composition.

Abstract: The present invention provides a process for preparing an oil extended rubber, in which an effect on environments can be taken into consideration, provision for the future decrease of petroleum supply can be satisfied, and further, strength is excellent without molecular breakage, an oil extended rubber obtained by the preparation process, and a tire using the oil extended rubber. A process for preparing an oil extended rubber, comprising (a) a step of preparing an oil-in-water type emulsion by emulsifying a vegetable oil having an iodine value of not less than 135 with a surfactant, (b) a step of mixing said emulsion and a modified natural rubber latex, and then aging the mixture, and (c) a step of coagulating the mixture obtained in the step (b) to obtain a lump of a rubber, an oil extended rubber obtained by the preparation process, and a rubber composition for a tire and a tire which use the oil extended rubber.

Abstract: The present disclosure relates to a toner process comprising providing a resin miniemulsion comprising polymeric particles comprising at least one free radical polymerizable monomer compound and at least one alkylene anhydride; blending the miniemulsion with at least one colorant, at least one amine, and optionally at least one wax; heating the resulting mixture below or about equal to the glass transition temperature (Tg) of the resin emulsion; and heating the resulting mixture above or about equal to the glass transition temperature (Tg) of the resin emulsion.

Abstract: In a first aspect of the present invention, there is provided a polymer composition comprising (i) one or more multistage polymer comprising (a) a first stage polymer having Tg of 0° C. or lower, (b) a subsequent stage polymer having Tg of 20° C. or higher, (ii) one or more phosphate salt of a multivalent cation, and (iii) one or more alkaline phosphate, in the amount of 100 ppm or more, measured as the weight of phosphorous, based on the dry weight of said multistage polymer. In a second aspect of the present invention, there is provided a mixture comprising the polymer composition of the first aspect described above and one or more matrix resin.

Abstract: A process for making a latex emulsion suitable for use in a toner composition includes contacting at least one amorphous polyester resin with a viscosity reducing additive in the absence of an organic solvent to form a resin mixture either via an extruder or batch process, and adding a surfactant, neutralizing agent, and deionized water to the resin mixture.

Abstract: The present disclosure relates to a process for latex preparation comprising a first heating of a latomer mixture comprising at least one free radical polymerizable monomer to low conversion and then adding at least one alkylene anhydride; a second heating of the latomer mixture to low conversion; a third heating of the latomer mixture to form polymeric particles; and combining at least one amine with the polymeric particles.

Abstract: Disclosed herein is a powder coating suspension prepared by a method comprising (1) emulsifying a liquid component comprising a liquid starting product in an aqueous medium in the presence of an emulsifier whose aqueous solution at the critical micelle concentration (CMC) has a surface tension >30 mN/m to give an aqueous emulsion of liquid particles and (2) cooling the emulsion so that a suspension of dimensionally stable particles is formed. Also disclosed are a process for preparing a powder coating suspension and a process for preparing a powder coating material.

Abstract: This invention relates to kits for the preparation of a composition, which comprises a carrier phase that forms an implant or particles in the body, on the body or under physiological conditions. The carrier phase comprises at least one solid carrier material and a solvent, wherein the carrier material and the solvent are stored separately in the kit. The kit can also include an additional liquid phase to aid in forming the particles. An active compound included in the carrier phase is generally released in an extended manner. This invention also relates to compositions prepared from this kit and to methods for the preparation of the kits and the composition.

Abstract: The present application provides novel nitrile rubbers comprising repeating units of at least one ?,?-unsaturated nitrile, at least one conjugated diene and optionally one or more further copolymerizable monomers which nitrile rubbers are distinguished by a specific calcium content as well as a specific chlorine content and dispose of specific thio end groups. Additionally, an improved polymerization and work-up process is provided to produce the aforementioned nitrile rubbers.

Abstract: A method for coloring powders using a stable colorant dispersion is provided. The method includes mixing a base powder and a stable colorant dispersion. A colored powder composition baying a core particle and a partial shell about the core particle is provided.

Abstract: In the production of elastomers the product obtained from the polymerization process is often in the form of a slurry. Described herein are an apparatus and a process for “finishing” the elastomer, i.e., dewatering and drying the elastomer. The process comprises the steps of obtaining a slurry comprising water and elastomer; passing the slurry through a first dewatering device to produce a wet elastomer crumb, wherein the first dewatering device comprises two dewatering extruders in parallel; passing the wet elastomer crumb through a second dewatering device; and then passing the wet elastomer crumb through a drying device to produce a dried elastomer crumb.

Abstract: The present invention provides a polymer composition wherein inorganic particles are uniformly dispersed at the nano level in the polymer without having said inorganic particles being surface-treated. It further provides a method for manufacturing a polymer composition wherein a co-aggregate which is obtained by uniformly mixing polymer dispersion with an inorganic particle colloidal solution and co-aggregating the polymer primary particles and inorganic particles which are heterogeneous particles, is separated from the solvent and dried so that the inorganic particles are uniformly dispersed at the nano level in the polymer; and the polymer composition which is obtained by said method.

Abstract: The present invention relates to a process for producing a resin emulsion which includes the steps of (a) dispersing a resin containing acidic group in a basic aqueous medium at a temperature lower than a softening point of the resin; (b) neutralizing a dispersion obtained in the step (a) at a temperature not lower than a glass transition point of the resin and not higher than the softening point of the resin; and (c) adding an aqueous liquid to the dispersion neutralized in the step (b) at the temperature not lower than the glass transition point of the resin and not higher than the softening point of the resin to emulsify the resin in the aqueous medium. According to the present invention, the resin emulsion suitably usable for production of a toner for electrophotography can be efficiently produced without using an organic solvent and a special apparatus.

Abstract: A process including mixing a sulfonated polyester resin, a colorant, and a coagulant; heating the resulting sulfonated polyester mixture; adding a polymetal halide and an anionic latex to form coated toner particles; and heating the coated toner particles is disclosed.

Abstract: The present invention relates to microemulsions of immiscible fluids stabilized by reactive ionic liquid surfactant wherein the ionic liquid surfactant has a melting point less than 80° C. The invention also relates to composite materials comprising a copolymer of ethylenically reactive species, wherein one of the species is a reactive ionic liquid surfactant having a melting point less than 80° C., and wherein the material also comprises non-reactive Class I fluid. The invention further relates to methods for synthesizing the composite materials comprising preparing a microemulsion of immiscible Class I fluid and Class II fluid stabilized by reactive ionic liquid surfactant wherein the ionic liquid surfactant has a melting point less than 80° C., and polymerizing the microemulsion to form a composite material.