Abstract: A system and process for producing a homogenous extrudate powder coating composition having predetermined properties, the system comprising a color library database that is configured to store one or more input formulation data objects capable of use in controlling the inputs and operation of an electronically controlled homogenous extrudate mixer.

Abstract: The silicone emulsion composition for forming a rubber coating film according to the present invention, including (A) an organopolysiloxane having at least two hydroxyl groups bonded to silicon atoms at terminal ends of the molecule in each molecule thereof, (B) an aminoalkyltrialkoxysilane represented by formula (1) (where R1 through R3 represent H or a univalent hydrocarbon group, R4 and R5 represent divalent hydrocarbon groups, R6 represents a univalent hydrocarbon group, and n is an integer 0 to 6), (C) a vinyltrialkoxysilane represented by formula (2): CH2?CHSi(OR7)3 (where R7 represents a univalent hydrocarbon group), (D) a surfactant, and (E) water and not containing an organic tin compound, is free of problems with storage stability or byproducts, and a rubber coating film can be formed thereby in a short time without the use of an organic tin compound.

Abstract: The present disclosure provides a leaching process and resulting composition which prevents or substantially reduces agglomeration of polyamide 6/66 copolymers. The leaching process includes applying hot water in the presence of an agglomeration inhibitor to the polyamide 6/66 copolymers in order to separate unreacted caprolactam and small molecular weight oligomers from the copolymers while preventing or substantially reducing agglomeration of the copolymers.

Abstract: An apparatus for preparing and dispensing a flocculant solution to dewatering an aqueous process stream includes a mixing pump, a maturing tank, and a feeding unit. The mixing pump mixes the flocculant solution and builds up a pressure onto the flocculant solution. The maturing pressure tank is fluidly connected with the mixing pump, so that the pressurized diluted flocculant solution is led from the mixing pump into the maturing pressure tank and matured therein under pressure that is above atmosphere pressure.

Abstract: Multi-purpose protectant compositions and methods of manufacture and application thereof. The multipurpose protectant compositions comprise a mixture of an aqueous solution of an organosilane. The solution may also contain surfactants and fragrance from natural and artificial sources. The multi-purpose protectant scompositiona are sprayed on any surface, allowed to cure, and result in long-lasting surface protection. The protectant compositions have a long shelf life and resistance to thermal degradation.

Abstract: A latex of a synthetic rubber, wherein the content rate of a particle having a particle size of 5 ?m or more in a particle size distribution of a synthetic rubber particle included in the latex, as determined on a number basis, is less than 3,000 ppm by weight. A latex of a synthetic rubber is excellent in mechanical stability and can provide a film molded article such as a dip molded article excellent in tensile strength and elongation.

Abstract: A chemical treatment apparatus for diluting and activating a polymeric material can include a mixing chamber having a first end, a second end, a first baffle plate positioned between the first end and second end, a high shear mixing zone positioned between the first end of the mixing chamber and the first baffle plate, and a low shear mixing zone positioned downstream from the high shear agitation zone between the second end of the mixing chamber and the first baffle plate. The volume ratio of the high shear mixing zone to the low shear mixing zone can be in the range of 1:2 to 1:10. A method and system for diluting and activating polymeric materials are also disclosed.

Abstract: A method of manufacturing resin particles uses a microreactor to mix first and second stock solutions, and to aggregate resin fine-particles to obtain resin particles. The microreactor includes stationary and rotating discs that are two discoid discs and that are disposed so that a gap is formed between circular surfaces of the two discs when the resin particles are manufactured, a first stock solution feed part that feeds the first stock solution from an end of the gap into the gap, and one or more second stock solution feed parts that are formed at the opposite side of the first stock solution feed part based on the center of the circular surface of the stationary disc by spatially connecting top and bottom surfaces of the stationary disc, and that feed the second stock solution containing an aggregating agent from the top surface side of the stationary disc to the gap.

Abstract: Process for the manufacture of a rubber composition comprising various constituents, such as base elastomers, reinforcing fillers, additives and a vulcanization system, during which the following stages are carried out: A—using a continuous mixing device, a starting rubber composition comprising the reinforcing fillers and optionally other components, with the exception of the crosslinking system, is produced, the operating parameters for the continuous mixing device being chosen so that: a—the residence time of the elastomer in the mixing chamber is between 20 and 60 seconds, b—the specific energy conferred on the rubber composition is between 2000 joules/gram and 5000 joules/gram, B—at the outlet for the starting rubber composition from the mixing chamber, the temperature of the said starting rubber composition is lowered to a temperature of less than 140° C. in less than 5 minutes.

Abstract: After step (I) of kneading a diene rubber and a carbon black to be mixed with each other, and then discharging the resultant mixture containing the diene rubber and the carbon black from an internal mixer, step (II) of kneading the mixture again in the internal mixer to crush a re-aggregate of the carbon black in the mixture, and step (III) of charging the dihydrazide compound into the internal mixer, and kneading the mixture and the dihydrazide compound to be mixed with each other are carried out. The period of step (II) for the kneading is 15 seconds or longer, and the rotating speed of the stirring rotor of the internal mixer is 35 rpm or more. The period of step (III) for the kneading is 40 seconds or longer, and the rotating speed of the stirring rotor of the internal mixer is from 15 to 25 rpm.

Abstract: The invention relates to polymerizates that can be obtained by a) reacting at least one polyisocyanate with at least one polyol and optionally at least one radically curable monomer A with groups reactive toward isocyanate in at least one radically curable monomer B to form polyurethane particles having an average diameter of less than 40 nm, preferably less than 20 nm, and especially preferably less than 10 nm and an average number of radically curable functionalities in a range of 2 to 4, preferably 2 to 3, and b) emulsion polymerizing the product obtained under a). By means of the emulsion polymerization, larger cross-linked polyurethane/polymer hybrid dispersions are produced, in which the nanoparticles act as a connecting member between the polymer areas and the polyurethane components.

Abstract: Monolayered microcapsules comprising a black pigment and cosmetic formulations comprising them are provided for use particularly in mascara and eye liner formulations. The black pigment may be carbon black, black iron oxide, or both.

Abstract: The invention relates to a non-aqueous dispersion of organic polymer particles in a reactive diluent. Said non-aqueous dispersion can be obtained in that at least one monomer is polymerized in the reactive diluent, forming the organic polymer particles, wherein the reactive diluent does not participate in said polymerization due to the orthogonal reactivity thereof relative to the monomers, but comprises a functionality allowing later targeted polymerization. Depending on the organic polymer particles or reactive diluents used, the non-aqueous dispersion can be used in multifaceted applications having a wide range of application profiles. In order to produce said non-aqueous dispersion, polymerization of at least one monomer in a stirred tank reactor in the presence of a reactive diluent is particularly suitable, wherein the conversion is performed at a stirring speed of at least 2 m/s, wherein the ratio of the stirrer diameter to the vessel diameter is set to 0.3-0.

Abstract: A method for producing a slurry for a heat-resistant layer for a lithium ion secondary battery, including: a step of producing a polymer aqueous dispersion by polymerizing a monomer in an aqueous medium to give a polymer aqueous dispersion containing a polymer with a polymerization conversion rate of 90 to 100%, a step of obtaining a mixed solution by mixing N-methylpyrrolidone and the polymer aqueous dispersion, a step of obtaining a binder composition by removing an unreacted monomer and the aqueous medium from the mixed solution, and a step of obtaining a slurry by dispersing non-conductive microparticles in the binder composition, wherein the step of obtaining the binder composition includes removing the aqueous medium and the unreacted monomer by using a distillation column under a reduced pressure so that the binder composition contains the unreacted monomer and a water content in predetermined amounts.

Abstract: A method for producing a slurry for a heat-resistant layer for a lithium ion secondary battery, including: a step of producing a polymer aqueous dispersion by polymerizing a monomer in an aqueous medium to give a polymer aqueous dispersion containing a polymer with a polymerization conversion rate of 90 to 100%, a step of obtaining a mixed solution by mixing N-methylpyrrolidone and the polymer aqueous dispersion, a step of obtaining a binder composition by removing an unreacted monomer and the aqueous medium from the mixed solution in a substitution tank, and a step of obtaining a slurry by dispersing non-conductive microparticles in the binder composition, wherein the step of obtaining the binder composition includes removing the aqueous medium and the unreacted monomer, while feeding the mixed solution to an external heating device and feeding a heat quantity to: the mixed solution that has been fed to the external heating device.

Abstract: The instant disclosure relates to a method of making a dispersion of polymer binder-encapsulated silica pigments for coating an ink-jet recording substrate. The method includes mixing first components of the dispersion to form a mixture, the first components including binder polymer, treating agents and a vehicle selected from the group consisting of water, a water-miscible organic solvent, and combinations thereof; shear mixing silica pigment into the mixture; and after the silica pigment is added to the mixture, shear mixing the mixture at a higher temperature and an increased grinding rate compared to a temperature and grinding rate of the shear mixing of the silica pigment into the mixture.

Abstract: The invention provides a method for preparing a Polyurethane-Carbon Nanotube (PU-CNT) based coating composition. More specifically, the invention provides a method for preparing a PU-CNT based anti-corrosive coating composition. The method comprises preparing a dispersion comprising one or more types of Carbon Nanotubes (CNTs). The dispersion is prepared by dispersing the one or more types of CNTs in a dispersant comprising at least one polar solvent and at least one surfactant. The method further comprises mechanically mixing a hardener with the dispersion comprising the one or more types of CNTs. In addition, the method comprises mechanically mixing polyurethane with the dispersion prepared by mechanically mixing the hardener with the dispersion comprising the one or more types of CNTs.

Abstract: A process for making a self-emulsifying granule suitable for use in forming latex emulsions includes contacting a resin with a solid or highly concentrated surfactant, a solid neutralization agent and water in the absence of an organic solvent to form a mixture, melt mixing the mixture, and forming self-emulsifying granules of the melt mixed mixture. Self-emulsifying granules are also provided and configured to form a latex emulsion when added to water, which may then be utilized to form a toner.

Abstract: Process for the manufacture of a rubber composition comprising various constituents, such as base elastomers, reinforcing fillers, additives and a vulcanization system, during which the following stages are carried out: A—using a continuous mixing device, a starting rubber composition comprising the reinforcing fillers and optionally other components, with the exception of the crosslinking system, is produced, the operating parameters for the continuous mixing device being chosen so that: a—the residence time of the elastomer in the mixing chamber is between 20 and 60 seconds, b—the specific energy conferred on the rubber composition is between 2000 joules/gram and 5000 joules/gram, B—at the outlet for the starting rubber composition from the mixing chamber, the temperature of the said starting rubber composition is lowered to a temperature of less than 140° C. in less than 5 minutes.

Abstract: The present disclosure relates to a method for making a conjugated polymer. In the method, polyacrylonitrile, a solvent, and a catalyst are provided. The polyacrylonitrile is dissolved in the solvent to form a polyacrylonitrile solution. The catalyst is uniformly dispersed into the polyacrylonitrile solution. The polyacrylonitrile solution with the catalyst is heated to induce a cyclizing reaction of the polyacrylonitrile, thereby forming a conjugated polymer solution with the conjugated polymer dissolved therein.

Abstract: An epoxy-based antiskid adhesive having component A and component B, the component A having 1) between 20 and 35 parts of an epoxy resin; 2) between 0.5 and 3 parts of a diluting agent; 3) between 1 and 5 parts of silica; 4) between 20 and 60 parts of quartz sand; 5) between 1 and 6 parts of quartz powder; 6) between 1 and 10 parts of an active calcium; and 7) between 1 and 5 parts of triple superphosphate; and the component B having 1) between 20 and 40 parts of an organic compound-modified amine; 2) between 1 and 5 parts of an accelerator; 3) between 0 and 3 parts of a coupling agent; 4) between 5 and 10 parts of silica; 5) between 20 and 50 parts of quartz sand; 6) between 1 and 10 parts of quartz powder; and 7) between 1 and 10 parts of silica fume.

Abstract: The present disclosure relates to a method for making a conjugated polymer. In the method, polyacrylonitrile, a solvent, and a catalyst are provided. The polyacrylonitrile is dissolved in the solvent to form a polyacrylonitrile solution. The catalyst is uniformly dispersed into the polyacrylonitrile solution. The polyacrylonitrile solution with the catalyst is heated to induce a cyclizing reaction of the polyacrylonitrile, thereby forming a conjugated polymer solution with conjugated polymer.

Abstract: The present invention is related to an one component self-crosslinking reactive siloxane-terminated polypropylene oxide emulsion and a process for preparing the same. In the inventive process, using a reactive siloxane-terminated polypropylene oxide (SPPO) as raw material and a polyether-modified polysiloxane as protection colloid, a waterborne SPPO emulsion with excellent storage stability and freeze-thaw stability was prepared through phase inversion emulsification in the presence of composite emulsifying agent. And this process has some advantages such as low capital investment for equipment, simple procedure, easy operation and low production cost. And the obtained SPPO emulsion can be used as basic raw materials for the production of environmental friendly waterborne products such as paints, binders, sealing agents etc.

Abstract: The invention relates to a method for continuously mixing fibers with a binding agent for producing fiberboards in a continuously operating mixing apparatus which comprises at least one mixing chamber and one or a plurality of mixing tools fastened to a rotating mixer shaft, wherein the mixing tools mix the fibers with the binding agent and convey it in a conveying direction through the mixer. Said method is characterized in that the rotational speed (n) of the mixer shaft and the diameter (d) of the mixing chamber are matched to each other with the proviso that the (nominal) centrifugal acceleration of the fibers in the region of the mixer inside wall is 10000 to 30000 m/sec2.

Abstract: The present disclosure relates to a method for making a conjugated polymer. In the method, polyacrylonitrile, a solvent, and a catalyst are provided. The polyacrylonitrile is dissolved in the solvent to form a polyacrylonitrile solution. The catalyst is uniformly dispersed into the polyacrylonitrile solution. The polyacrylonitrile solution with the catalyst is heated to induce a cyclizing reaction of the polyacrylonitrile, thereby forming a conjugated polymer solution with conjugated polymer.

Abstract: A room-temperature curable epoxy structural adhesive composition comprises Component A and Component B, wherein Component A comprises a bisphenol A type epoxy resin, an impact resistance modified bisphenol A type epoxy resin, a silane coupling agent, a thixotropic agent and a coloring agent, wherein Component B comprises a polyamide, a polyether amine, a filler and a curing accelerator, wherein said impact resistance modified bisphenol A type epoxy resin is a liquid NBR modified bisphenol A type epoxy resin and/or a core-shell structural polymer toughened bisphenol A type resin. In addition, a preparation method of the said adhesive composition is provided.

Abstract: The invention relates to formulations with anti-graffiti-scrawling, self-cleaning, anti-incrustation and/or nonstick properties. The formulations are made from synthetic and natural polymers and in a system that may be either mono- or bi-component. In addition, the invention also relates to the application of said formulations to objects, monuments, constructions and means of transport, imparting protection thereto. Further, the present invention relates to processes for preparing said formulations. The formulations of the present invention can be made commercially available in the form of: pain, varnish or water-emulsified base and can be applied to:—means of transport like trains, subways, vehicles in general (such as motor-cycles, cars, buses, bicycles, etc.

Abstract: The present invention provides [1] a water dispersion for ink-jet printing containing chain-like particles each containing anionic organic pigment particles and a cationic polymer, wherein the ratio of organic pigment primary particles forming the chain-like particles to all the pigment primary particles contained in the water dispersion is 10% by number or more; [2] a water-based ink for ink-jet printing containing the water dispersion; [3] a method for producing a water dispersion for ink-jet printing as described above in [1]; and [4] a water-based ink for ink-jet printing containing a water dispersion produced through the method. The water dispersion and water-based ink for ink-jet printing of the present invention realize excellent optical density.

Abstract: Methods for preparing an electrode comprise: providing a mixture of carbon particles and a solvent and shearing the mixture to form a dispersion of the carbon particles in the solvent; adding non-fibrillated POLY(TETRAFLUOROETHYLENE) to the dispersion to provide a resultant mixture and shearing the resultant mixture until at least a portion of the poly(tetrafluoroethylene) has been fibrillated; processing the resultant mixture into a sheet; and attaching the sheet onto a current collector. Methods for preparing sheet for the electrode and composition for the sheet are also provided.

Abstract: A process for making a self-emulsifying granule suitable for use in forming latex emulsions includes contacting a resin with a solid or highly concentrated surfactant, a solid neutralization agent and water in the absence of an organic solvent to form a mixture, melt mixing the mixture, and forming self-emulsifying granules of the melt mixed mixture. Self-emulsifying granules are also provided and configured to form a latex emulsion when added to water, which may then be utilized to form a toner.

Abstract: A polyolefin nanocomposite material comprising the following components: (A) a crystalline or semi-crystalline polyolefin resin; and (B) a nanosized mineral filler comprising or substantially consisting of a hydrotalcite, wherein the amount of the hydrotalcite is from 0.02 to 6 parts by weight per 100 parts by weight of the nanocomposite material, and the ratio MFR (1)/MFR (2) of the melt flow rate value MFR (1) of component (A) to the melt flow rate value MFR (2) of the polyolefin nanocomposite material is of at least 1.

Abstract: The invention relates to a coating composition comprising a polyurethane polyol composition comprising the reaction product of a polyisocyanate and a polyol, and modified nanoparticles of silica and/or alumina, and to a process for preparing such coating composition.

Abstract: An epoxy-based antiskid adhesive having component A and component B, the component A having 1) between 20 and 35 parts of an epoxy resin; 2) between 0.5 and 3 parts of a diluting agent; 3) between 1 and 5 parts of silica; 4) between 20 and 60 parts of quartz sand; 5) between 1 and 6 parts of quartz powder; 6) between 1 and 10 parts of an active calcium; and 7) between 1 and 5 parts of triple superphosphate; and the component B having 1) between 20 and 40 parts of an organic compound-modified amine; 2) between 1 and 5 parts of an accelerator; 3) between 0 and 3 parts of a coupling agent; 4) between 5 and 10 parts of silica; 5) between 20 and 50 parts of quartz sand; 6) between 1 and 10 parts of quartz powder; and 7) between 1 and 10 parts of silica fume.

Abstract: The present invention discloses a method for the manufacture of nanoscale particles of Styrene Butadiene Rubber (SBR). As SBR particles are elastic in nature, conventional methods of size reductions such as impacting, grinding are unable to achieve the final size. The present invention successfully achieves size reduction of the elastic material to nano scale by carefully controlled hydrodynamic cavitation techniques.

Abstract: The present invention relates to a heat-meltable fluoropolymer composite composition having excellent thermal conductivity, gas and chemical liquid barrier properties and dynamic properties such as storage modulus which comprises a heat-meltable fluoropolymer fine powder and a layered-compound organized by treatment with tetraphenyl phosphonium ions. The present invention also relates to a heat-meltable fluoropolymer composite composition having similar properties to those mentioned above which is obtained by a process (I) in which a heat-meltable fluoropolymer composite composition is obtained by grinding and mixing a heat-meltable fluoropolymer fine powder and a layered-compound and a process (II) in which such heat-meltable fluoropolymer composite composition thus obtained is melted and mixed under shear stress by means of a melt-mixing extruder.

Abstract: The invention relates to a process for preparing a material consisting of a PVC matrix reinforced with clay comprising the following successive stages: (1)) preparation of a modified clay by mixing a natural clay with a non-volatile solvating compound, the mixture being carried out by applying at least one of the following mechanical stresses: compression, at a speed of between 0.01 and 0.05 m/s; shear, at a speed of between 0.05 and 5 m/s; friction, at a speed of between 0.05 and 5 m/s; attrition, at a speed of between 2 and 4 m/s; (2) incorporation of the modified clay into the PVC by mixing in the molten state, the implementing conditions being such that: the speed of compression is between 0.1 and 5 m/s; the speed of shear is between 0.05 and 5 m/s.

Abstract: A bone-growth stimulating composition for forming a resorbable implant, methods for making such a composition and a corresponding putty/paste material. In some embodiments of the invention, such a material includes a plurality of particles having a predetermined size and comprising a first calcium sulfate compound and a resorbable polymer in a predetermined weight ratio. Methods for making such a material include rotating calcium sulfate powder in a drum at a first predetermined drum speed, spraying of a resorbable polymer solution at a predetermined rate on the calcium sulfate powder over a predetermined period of time and drying the resulting particles. Such compositions allow resorption rates of the implant composition in vivo to be controlled, and my vary between eight and twenty-four weeks (for example), which can be matched to substantially correspond to a rate of bone growth in a particular application.

Abstract: A method for preparing cold water-soluble polymer particles is described. The method includes subjecting a liquid containing a wetting agent or a powder of the wetting agent to dropping or spraying over or mixing with a starting water-soluble polymer particles while fluidizing the starting polymer particles without subsequent forced drying and grinding of the resulting particles. According to the invention, a powder or particulate product of a cold water-soluble polymer having excellent water wettability and capable of being quickly dissolved in water without formation of undissolved powder can be reasonably prepared and obtained from powdery or particulate water-soluble polymers without resorting to forced drying operations.

Abstract: There is provided a method for producing colorants which can exhibit excellent color development even in a small amount and are low in thixotropy. The constituent feature of the present invention comprises: enhancing the molecular extinction coefficient of the coloring matter substance by ion exchanging method, to afford a room for increasing B (resin) of P/B; then a composition is designed and employed to enhance the effect increasing the polar group concentration which is a role of resin and the quality of the effect; it thus becomes possible to achieve the limit value of the molecular extinction coefficient as much as possible and to eliminate the factors adversely affecting the present process.

Abstract: The present invention provides an isocyanate group terminated prepolymer aqueous dispersion (A) that is composed of water and an isocyanate group terminated prepolymer (a) dispersed in the water, whose content in the (A) is in a range of 60 wt % to 85 wt %, wherein the (A) optionally contains a-surfactant in a range of 0 wt % to 10 wt % based on a weight of the (a), and a solvent in a range of 0 ppm to 5,000 ppm based on the weight of the (a). The present invention also provides a polyurethane resin aqueous dispersion (B) that is composed of a polyurethane resin (b), whose content in the (B) is in a range of 20 wt % to 65 wt %, wherein the (b) is obtained by a chain extension reaction of the (A). The present invention is capable of providing a polyurethane resin aqueous dispersion having excellent storage stability.

Abstract: This invention relates to a process for the preparation of aqueous emulsions of blocked (poly)isocyanates, this process comprising the steps consisting successively in: a) placing an isocyanate composition containing free isocyanate functions in contact with at least one blocking agent A in the presence of a surfactant B and an aqueous phase, the said isocyanate composition being added gradually to a stock containing at least some of the aqueous phase and at least some of the blocking agent; and optionally, b) subjecting the mixture obtained to a shear (speed gradient) of greater than 1000 s?1, preferably greater than 20,000 s?1 and less than 1,000,000 s?1, preferably less than 200,000 s?1, and c) repeating step b), optionally after step a) has been repeated, until a stable emulsion is obtained whose particles have a Sauter diameter of greater than 0.1 ?m, preferably 0.2 ?m, and less than 5 ?m, preferably less than 2 ?m, and a dispersion width of less than 5 ?m.

Abstract: The aqueous dispersion of polyamide resin of the present invention comprises dispersed polyamide resin particles, basic material and water. The dispersed polyamide resin particles have a weight-average diameter of 0.1-10 &mgr;m. The ratio of end carboxyl groups to end amino groups in the polyamide resin is between 60/40 and 100/0. The amount of said basic material added is 0.2-3.0 mol per mol of end carboxyl groups. Such an aqueous dispersion of polyamide resin can be manufactured by adding the polyamide resin to an aqueous dispersion medium containing 0.2-3.0 mol of basic material per mol of end carboxyl groups in the polyamide resin.

Abstract: The present invention is a process for preparing high concentration polyvinyl alcohol (PVA) aqueous mixtures, wherein the PVA solid concentration is at least 14% in the mixture.

Abstract: High levels of treated fumed silica, processing fluid and high molecular weight silicone polymer are continuously compounded into a homogeneous silica filled heat-vulcanizable silicone composition by forming a premix in a continuous annular layer mixer and continuously discharging the premix into a compounding apparatus for compounding to form the filled heat-vulcanizable silicone composition.

Abstract: A method of making polymer-coated pigment particles, involving the steps of providing a plurality of pigment particles, each of which has an outer surface coated with a layer of material that operates as a nucleus for initiating polymerization on the outer surface of each of the pigment particles. The pigment particles are mixed with a reaction mixture containing a solvent and a monomer material, wherein the layer of material coating each of the pigment particles causes the monomer material to polymerize on the outer surface of substantially each of the pigment particles to form a polymer coating thereon.

Abstract: A crosslinkable waterborne dispersion of a hydroxy functional polydiene polymer composition which comprises: (a) 10 to 65% w of a hydroxy functional polydiene polymer, (b) 0.2 to 25% w of a compatible amino resin, (c) 0.1 to 10% w of a surfactant which is nonionic or anionic and has a volatile cation, and (d) the balance water. The invention also describes a water-continuous process and an inversion processes for making such dispersions.

Abstract: Aqueous dispersions containing: a silicone oil (A) which is cross-linkable by condensation, optionally in the presence of a cross-linking agent (B), into an elastomer; optionally a cross-linking agent (B), a silane (C) and a mineral filler (D); and a catalytic amount of a hardening compound (E). Said dispersions are characterized in that they are produced by kneading a mixture of (1) a silicone phase (F) with a viscosity of at least 3 Pas, containing the oil (A) and optionally one or more of components (B), (C), (D) or (E), and 2) an aqueous phase comprising water and at least one surfactant (G), wherein the weight ratio water/water+surfactant(s) is such that the viscosity of the aqueous phase is preferably at least as high as that of the silicone phase (F); for a sufficient time and with sufficient shear to give an oil-in-water emulsion having a particle size of 0.

Abstract: A process which comprises subjecting a mixture of a polymer, a conductive component and an additive to an energy of from about 1 to about 20 kilowatt hours per kilogram and an intensity of from about 20 to about 90 kilowatts per kilogram.

Abstract: A method for preparing oil-in-water emulsions of oils, gums or silicone resins by kneading a mixture of (1) a silicone phase (A) with a viscosity of at least 3 Pas or a consistency of at least 200, and (2) an aqueous phase comprising water, at least one surfactant (B) and optionally at least one water-soluble thickening polymer (C), wherein the relative amounts of water, (B) and optionally (C) are such that the aqueous phase preferably has at least as much viscosity or consistency as the silicone phase (A), said kneading being performed for a sufficient time and with sufficient shear to give an oil-in-water emulsion having a particle size of 0.1-5 .mu.m; and optionally by diluting the medium in water.

Abstract: A process for continuously preparing a wet powder of PTFE, comprising the step of continuously slurrying a PTFE aqueous dispersion with a high shear machine, and the step of continuously granulating the slurry by using vertical agitator. The process can be carried out for a long time without trouble, and can continuously provide a dry powder having good powder properties. The powder properties can be controlled by regulating operation conditions.