Abstract: Disclosed herein are polysaccharide-elastomer masterbatch compositions and processes for preparing the masterbatch compositions. One method comprises a step of a) mixing i) an aqueous polysaccharide dispersion, or ii) a basic aqueous polysaccharide solution, with a rubber latex solution containing a rubber component to form a mixture. The method further comprises the steps of: b) coagulating the mixture obtained in step a) to produce a coagulated mass; and c) drying the coagulated mass obtained in step b). The masterbatch compositions are useful in preparing rubber-containing articles.

Abstract: An inorganic degradable plastic masterbatch material is disclosed, the product prepared meets the degradation requirements and has higher mechanical strength and faster degradation rate than ordinary plastic products. The material is used to prepare various environmentally friendly degradable products. The inorganic degradable plastic masterbatch material comprises the following components: calcium carbonate mineral powder with mass percentage of 56-72%; polyethylene with mass percentage of 3-10%; polypropylene with mass percentage of 18-30%; glass fibers with mass percentage of 2-5%; and additives with mass percentage of 2-5%.

Abstract: A tire which has improved mechanical properties comprises a rubber composition based on at least one diene elastomer, at least one thermoplastic polyurethane, and a crosslinking system; the composition does not comprise any reinforcing filler or comprises less than 25 parts by weight thereof per hundred parts by weight of elastomer, phr, the carbon black content in the composition being less than 20 phr.

Abstract: The present invention relates to a masterbatch composition comprising high concentration of biological entities having a polymer-degrading activity and uses thereof for manufacturing biodegradable plastic articles.

Abstract: An extrusion device comprises at least one supply station suitable for containing a material to be extruded; a plurality of propellers operatively connected to at least one supply station for receiving the material to be extruded and at least one extrusion head connected to at least one propeller. Each propeller can also be selectively activated to modulate an extrusion speed and/or a quantity of material to be extruded as an output from the extrusion head.

Abstract: A method for producing a rubber wet masterbatch, the method including: adding a rubber latex solution to a carbon black-containing slurry aqueous solution in which a carbon black is dispersed in water and mixing the solutions to produce a carbon black-containing rubber latex aqueous solution; coagulating the carbon black-containing rubber latex aqueous solution obtained to produce a carbon black-containing rubber coagulum; cleaning the carbon black-containing rubber coagulum obtained to produce a cleaned carbon black-containing rubber coagulum; and dehydrating and drying the cleaned carbon black-containing rubber coagulum obtained to produce a rubber wet masterbatch, wherein an amount of an acetone extract from the cleaned carbon black-containing rubber coagulum is 2% by mass or less after drying the coagulum at 23° C. for 24 hours and further at 90° C. for 2 hours. Vulcanized rubber having excellent low exothermicity and excellent abrasion resistance can be obtained by the method.

Abstract: Provided are a fluororubber composition maintaining rubber properties and excellent in flowability and mold releasability as well as capable of reducing a cross-linking time when molded, and a fluororubber sealing material formed of the fluororubber composition. The fluororubber composition contains a polyol cross-linkable based fluororubber; an aliphatic acid amide based compound; at least one member selected from a phosphoric acid ester based compound, an aliphatic acid ester based compound and a fluorine-containing based compound; and a polyol based cross-linking agent. The fluororubber sealing material is formed of the fluororubber composition.

Abstract: A polyolefin resin composite material, containing: a polyolefin resin; and 10 to 150 parts by mass of cellulose fibers with respect to 100 parts by mass of the polyolefin resin, wherein an area of aggregates of the cellulose fibers is less than 20,000 ?m2; and a method of producing the same.

Abstract: Granules of material usable as a road binder or as a sealing binder including a core and a coating layer, wherein: the core consists of a first composition including at least one material selected from: a bitumen base, a pitch, a clear binder, and the coating layer consists of a second composition which includes: at least one viscosifying compound selected from cellulose ethers, and at least one anticaking agent. Also, a method for producing granules of material that can be used as a road binder or as a sealing binder, and the use thereof as a road binder, in particular for the production of coated materials. Also, a method for producing coatings from granules of material that can be used as a road binder or as a sealing binder and to a method for transporting and/or storing and/or handling granules.

Abstract: A method for reducing odors including the steps of admixing active agents and a diluting agent to liquid crumb rubber modified bitumen, wherein the active agents comprise 20 to 60 wt.-% of an aldehyde selected from alpha-hexyl cinnamaldehyde, 2-(4-tert.-butylbenzyl) propionaldehyde, 2-benzylidenheptanal, or mixtures thereof, and 10 to 40 wt.-% of one or more alcohols having a boiling point of at least 150° C., calculated on the total weight of active agents. A crumb rubber modified bitumen composition as obtained by the method above. The use of a crumb rubber modified bitumen composition as obtained by the method above in road surfacing and road base materials, in insulating layers for buildings, in roofing materials and/or in sealing sheeting.

Abstract: Brominated vinylaromatic-diene block copolymers (Br-SBC) comprising a vinylaromatic polymer block S and a brominated diene polymer block BB, wherein before bromination the weight-average molar mass Mw of the block S is greater than or equal to Mw of the block BB, use thereof as flame retardants, and also polymer compositions comprising these for unfoamed and foamed thermoplastic polymers, for example EPS and XPS.

Abstract: The invention is directed to an apparatus for making a finished rubber mixture which includes a reactive additive. The apparatus includes a tandem mixer with an upper machine having an upper mixing chamber and a lower machine having a lower mixing chamber. The lower mixing chamber is larger than the upper mixing chamber and there are rotors disposed in each mixing chamber. Mixture components are introduced into the lower mixing chamber via a loading shaft of a loading unit. The loading unit has at least two metering devices, a cutting or preheating unit connected upstream of a metering device and a first conveyor belt to the loading shaft. All conveyor belts of the apparatus can be switched on and off automatically, such that mixture components weighed in can be held in a “wait position” thereon.

Abstract: Provided is a liquid crystal alignment agent that makes it possible to obtain a liquid crystal alignment film having a superior balance among solvent resistance, liquid crystal alignment properties, and voltage holding ratio. The liquid crystal alignment agent contains a polymer [P] including: at least one ring structure of an oxetane ring and an oxirane ring; (B) a functional group that reacts with at least one of the oxetane ring and the oxirane ring by heating; and (C) an optically aligning group.

Abstract: A process is provided for making a silica masterbatch, that contains silica and solution-made rubber. The silica masterbatch has physical properties similar to those found in a comparable dry-mixed composition, but the silica masterbatch can be incorporated more easily and less expensively into tires and other rubber products than the dry-mixed composition. A process is also provided for making a masterbatch of silica, a solution-made rubber and an emulsion-made rubber.

Abstract: Embodiments of the present disclosure are generally related to asphalt compositions, and particularly to enhanced asphalt compositions and methods and systems for manufacturing the same. The enhanced asphalt compositions include both a silane additive and a calcium composition. The silane additive includes benzyl alcohol and at least one organosilane. The enhanced asphalt compositions of the present invention have improved anti-stripping properties, but the quantities of calcium composition and silane additive required are less than the quantities necessary to prepare previously known asphalt compositions with improved anti-stripping properties.

Abstract: Methods for producing 3D printing composite polymer materials for use in additive manufacturing processes are provided. The methods result in enhancing the material properties of the printing material by providing a uniform and smooth surface finish of the printing material and the nozzle extrudate for additive manufacturing processes, such as Fused Filament Fabrication. The method includes implementing impregnation techniques for combining carbon nanotubes or other nano-fillers, a polymer resin and a fiber material to produce a polymer material that can be processed into a printing material. Further, the method may include combining the carbon nanotubes or other nano-fillers and the polymer resin to form a masterbatch that may be further combined with the fiber material through an extrusion process. The method results in a printing material with enhanced material properties and smooth surface finish for the printing material and resulting nozzle extrudate for Fused Filament Fabrication.

Abstract: A conductive heating composition includes a polyolefin elastomer, a crystalline non-grafted polyolefin, a crystalline polymer which is grafted or copolymerized with a monomeric unit, and a conductive filler. The composition has a surface resistivity ranging from 1.0E+01 ohm to 1.0E+06 ohm, and a volume resistivity ranging from 8.0E+01 ohm-cm to less than 1.0E+05 ohm-cm. When the composition is heated from 20° C. to 90° C., a log value of a resistance of the composition increases with a slope ranging from 3E?02 log ohm/° C. to 9E?02 log ohm/° C. After a specimen made of the composition is repeatedly bent 300 times, a surface resistance of the specimen at a room temperature increases by a rate of less than 300%.

Abstract: A method for producing an aliphatic polyester resin composition containing 100 parts by weight of an aliphatic polyester (A), 5 to 23 parts by weight of silica (B) and 8 to 23 parts by weight of a dispersion aid (C), the method including: a first step of mixing 20 to 50% by weight of the aliphatic polyester (A) based on the total amount of the aliphatic polyester (A) constituting the composition, and the silica (B); a second step of mixing the dispersion aid (C) with the mixture obtained in the first step; a third step of mixing the mixture obtained in the second step with the remaining 80 to 50% by weight of aliphatic polyester (A) based on the total amount of the aliphatic polyester (A) constituting the composition; and a step of melting and kneading the mixture obtained in the third step.

Abstract: A process and device continuously prepare a filled rubber masterbatch. The process comprises bringing into contact, in a mixing zone, a first liquid-phase flow and a second liquid-phase flow, the first flow being an elastomer emulsion, the second flow being an aqueous suspension of filler particles, such that one of the two flows emerges inside the other flow and that the two flows are transported at low pressure before they are brought into contact.

Abstract: A 1,3-dipolar compound bearing at least a phosphorus-containing group and a dipole containing a nitrogen atom is provided. A method for grafting the 1,3-dipolar compound on an unsaturated polymer, a diene polymer comprising, along the polymer chain, at least one pendant phosphorus-containing group, and a rubber composition based on a diene elastomer and the 1,3-dipolar compound optionally pre-grafted on the diene elastomer are also provided. The 1,3-dipolar compound allows access to rubber compositions reinforced with an inorganic filler that have a compromise of improved properties, namely hysteresis, stiffness in the cured state and reinforcement.

Abstract: A composition including (a) propylene/ethylene interpolymer having a density from 0.860 to 0.870 g/cc; (b) a propylene-based polymer selected from the group consisting of a homopolymer polypropylene, a random propylene/?-olefin interpolymer and any combination thereof and wherein the propylene-based polymer has a density ?0.885 g/cc; (c) a plasticizing agent; and (d) a third polymer selected from the group consisting of the following (i) a styrenic ethylene/butylene triblock copolymer having a Tg (rubber block) greater than, or equal, ?40° C., (ii) less than, or equal to, 15 wt %, based on the weight of the composition, of an ethylene/?-olefin/diene interpolymer, or an ethylene/propylene copolymer, (iii) an ethylene vinyl acetate copolymer, and (iv) any combination thereof is provided. Further provided is an injection molded article comprising the composition and a process for making an injection molded article.

Abstract: The invention relates to a method for producing thermoplastic molding materials based on acrylonitrile-butadiene-styrene copolymers (ABS) having improved surface properties, in particular improved resistance of the surface quality to storage in a warm, humid environment, and having a reduced content of residual monomers. The invention further relates to the use of a fluid bed dryer and/or a flash dryer in the production of thermoplastic ABS molding materials in order to improve the surface quality. The invention further relates to the use of a fluid bed dryer and/or a flash dryer in the production of thermoplastic ABS molding materials having a reduced content of residual monomers. The invention further relates to ABS molding materials that can be produced by means of the method according to the invention and to molded parts (e.g., molded bodies, films, and coatings) that can be produced from the thermoplastic molding materials according to the invention.

Abstract: A masterbatch is disclosed, along with associated methods, and biodegradable filaments, fibers, yarns and fabrics. The masterbatch includes 0.2 to 5 mass % CaCO3, an aliphatic polyester with a repeat unit having from two to six carbons in the chain between ester groups, with the proviso that the 2 to 6 carbons in the chain do not include side chain carbons, and a carrier polymer selected from the group consisting of PET, nylon, other thermoplastic polymers, and combinations thereof.

Abstract: A vulcanizable composition for manufacturing a tire component includes a vulcanizable rubber, a curative for the rubber, and a dihydrocarbyl succinate.

Abstract: A polylactic acid composition of a dispersion structure using, as a matrix, a lowly crystalline or amorphous polylactic acid having a crystallinity of not more than 40%, the matrix containing, as a pulverization promotor dispersed therein, an organically modified polysaccharide or a lamellar silicate that is swollen or that is treated to be swollen. The polylactic acid composition has excellent hydrolysable capability and property of being mechanically pulverized.

Abstract: A method of mixing a rubber composition includes a carbon introduction step and a uniform dispersion step. In the carbon introduction step, on the basis of a deviation between a rate of temperature increase of the rubber mixture (R) and a target value, at least one of a ram pressure (Pr) and a rotational speed (N) of the mixing rotor (2) is PID controlled so that the ultimate temperature of the rubber mixture (R) at the conclusion of the step is within a tolerance range. In the uniform dispersion step, the ram pressure (Pr) or the rotational speed (N) of the mixing rotor (2) is adjusted to reduce a deviation between a value based on successively detected data associated with a predetermined control target and a target value.

Abstract: The present invention is directed to a pneumatic tire having a tread comprising a vulcanizable rubber composition comprising, based on 100 parts by weight of elastomer (phr), (A) from about 60 to about 100 phr of a solution polymerized styrene-butadiene rubber having more than 98 percent of the repeat units derived from styrene in blocks containing less than five repeat units, Tg ranging from ?65° C. to ?79° C.; (B) up to 40 phr of polybutadiene having a cis 1,4 content greater than 95 percent and a Tg ranging from ?80 to ?110° C.; (C) from 30 to 80 phr of a combination of a resin having a Tg of at least 30° C. and an oil, wherein the weight ratio of resin to oil is greater than 1.

Abstract: High impact polystyrene may be formed with increased swell index and reduced or eliminated discoloration. A process of forming high impact polystyrene may include providing a polymerization system including a polymerization reactor and a devolatilizer. High impact polystyrene may be formed in the polymerization reactor, and sent to the devolatilizer. A polar antioxidant having a hindered phenol structure and an aliphatic amine group, and with a phosphite antioxidant may be added to the polymerization system. In another process, a chemical retarder and a fluorescent whitening agent may be added to the polymerization system. In another process, a chemical retarder that inhibits free radical rubber crosslinking may be added to the polymerization system.

Abstract: The present invention provides a rubber composition for tires which can improve crack resistance, ozone resistance, discoloration resistance, and tire appearance while maintaining a good balance between them, and also provides a pneumatic tire formed from the rubber composition. The present invention relates to a rubber composition for tires, containing a rubber component having a combined content of polybutadiene rubber, natural rubber, and polyisoprene rubber of 80% by mass or more per 100% by mass of the rubber component, the rubber composition containing, per 100 parts by mass of the rubber component: 0.1 to 8.0 parts by mass of polyether (A) having a glycol ether content of 80% by mass or more and a HLB of 3.5 to 19.0, the polyether (A) excluding Pluronic nonionic surfactants; 2 to 70 parts by mass of carbon black; and 0.3 to 7.0 parts by mass of an antioxidant.

Abstract: A process for producing a wet rubber masterbatch yielded by using, as raw materials, at least a filler, a dispersing solvent, and a rubber latex solution, comprises a step (i) of mixing the filler, the dispersing solvent and the rubber latex solution with each other to produce a filler-containing rubber latex solution, a step (ii) of solidifying the filler-containing rubber latex solution to produce a filler-containing rubber solidified product, and a step (iii) of dehydrating the filler-containing rubber solidified product to produce the wet rubber masterbatch. At the time of representing the temperature of the filler-containing rubber solidified product before the dehydration in the step (iii) by T1 (° C.), and representing the temperature of the filler-containing rubber solidified product after the dehydration by T2 (° C.), the following expressions (1) and (2) are satisfied: T1?100??(1) 80?T2?T1?160??(2).

Abstract: A biodegradable polyester composition based on a total weight of the biodegradable polyester composition, including a weight content of a cyclic ester compound having a structure shown as formula (I), which is 100 ppm-950 ppm; and based on the total weight of the biodegradable polyester composition, a weight content of cyclopentanone is 0.5 ppm-85 ppm is provided. The cyclic ester compound and cyclopentanone is added into the composition and controlling the content of the cyclic ester compound and the content of cyclopentanone in a certain range in the composition to realize an anti-thermal oxidative aging property of the biodegradable polyester composition. In addition, a film is prepared by blow molding or a part is prepared by injection molding after being digested with 95% ethanol at 40° C. for 240 hours.

Abstract: A method of preparing a plastic substrate for electrostatic painting includes preparing a carbon nanotube pellet by molding carbon nanotube powder. The method also includes preparing a conductive resin composition by mixing 0.1 to 10 wt % of the carbon nanotube pellet, 0.1 to 20 wt % of carbon black, and 70 to 99 wt % of a thermoplastic polymer resin. The method further includes molding the conductive resin composition.

Abstract: Blends of elastomer composites with unfilled or less highly filled elastomer reduces hysteresis without compromising reinforcement. Hysteresis may also be reduced by adjusting the compounding method.

Abstract: The present invention relates to asphalt compositions. The present invention provides for a sulfur rubber asphalt binder composition that includes a base asphalt having a softening point, elemental sulfur, and a recycled crumb rubber material. The crumb rubber material is combined with the base asphalt and the elemental sulfur to create the sulfur rubber asphalt binder composition. The crumb rubber material is present in the sulfur rubber asphalt binder in an amount effective to increase the softening point as compared to the softening point of the base asphalt.

Abstract: The invention discloses a method for preparing nylon yarns. The method comprises the following steps: mixing, blending, spinning, cooling and then winding an organic copper complex, color masterbatches and PA6 slices into bobbins, wherein the organic copper complex is obtained after a coordinated ionic liquid reacts with copper powder oxidized by an oxidant, and the color masterbatches are obtained through blending granulation of the PA6 slices, germanium powder slurry and modified negative ion far-infrared powder. The method has the beneficial effect that the nylon yarns obtained by the preparation method are healthier and safer to the human body.

Abstract: The invention relates to a bitumen/polymer composition and to its process of manufacture. The bitumen/polymer composition includes first bitumen base having an intrinsic stability S of greater than 2.5 and/or a degree of peptization Sa of greater than 0.60, and a second bitumen base having an intrinsic stability S of less than or equal to 2.50 and/or a degree of peptization Sa of less than or equal to 0.60, an elastomer and an olefinic polymer adjuvant functionalized by at least glycidyl functional groups. The values of intrinsic stability S and of the degree of peptization Sa are measured according to the standard ASTM D 7157-12. The bitumen/polymer composition exhibits improved low-temperature mechanical properties.

Abstract: A method for preparing a masterbatch of synthetic elastomer and of carbon-based filler, which comprises the following steps: preparing an aqueous dispersion of carbon-based filler having a zeta potential with the opposite sign to that of an anionic or cationic synthetic elastomer latex, the difference between the potentials of the anionic or cationic elastomer latex and the aqueous dispersion of carbon-based filler being such that the absolute value thereof is greater than or equal to 20 mV, bringing together, and mixing, the anionic or cationic synthetic elastomer latex and the aqueous dispersion of carbon-based filler to obtain a coagulum, recovering the coagulum, and drying the recovered coagulum in order to obtain the masterbatch.

Abstract: Provided is a composition comprising a) at least one semi-crystalline polyamide, b) at least one conductive material, and c) at least one amorphous polyamide, and optionally d) at least one polyester. The composition may further comprise e) at least one filler and f) at least one additive.

Abstract: A method for forming a pigmented aqueous slurry includes a step of combining a dispersant having pigment affinic groups with water to form an aqueous dispersant mixture. Pigment is added to the aqueous dispersant mixture to form an aqueous pigment mixture. The aqueous pigment composition is ground until the average particle size is less than 30 microns to form a pigmented aqueous slurry.

Abstract: Provided is an additive masterbatch comprising a low-melting-point resin additive at a high concentration, which additive masterbatch can be continuously produced without strand breakage, shows excellent clumping resistance to inhibit bleeding from a pellet thereof and thus has few use restrictions for potential application. The resin additive masterbatch is characterized by comprising, with respect to 100 parts by mass of (A) a polyolefin resin: 50 to 200 parts by mass of (B) a resin additive having a melting point of not higher than 65° C.; and 10 to 20 parts by mass of (C) an inorganic layered compound.

Abstract: Embodiments of an aqueous-based dispersion of a hydrolytically unstable polymer comprise particles of said hydrolytically unstable polymer and a stabilizing agent in water. The dispersion is substantially free of volatile organic solvents.

Abstract: A method and composition for generating a shingle roof coating is described. The method includes oxidizing an asphalt feedstock to a softening point greater than 205° F. and a penetration less than 15 dmm at 77° F. to generate an oxidized asphalt feedstock. The method then proceeds to mix an elastomeric polymer and an asphalt flux to generate a first concentrate. The first concentrate is then heated separately from the oxidized asphalt feedstock. The method then mixes the first concentrate with the oxidized asphalt feedstock and heats the combined first concentrate and the oxidized asphalt feedstock to generate the shingle roof coating. The amount of elastomeric polymer in the first concentrate is adjusted based on the type of asphalt feedstock such that the resulting shingle roof coating includes 0.5% to 6% by weight of the elastomeric polymer.

Abstract: Methods for producing 3D printing composite polymer materials for use in additive manufacturing processes are provided. The methods result in enhancing the material properties of the printing material by providing a uniform and smooth surface finish of the printing material and the nozzle extrudate for additive manufacturing processes, such as Fused Filament Fabrication. The method includes implementing impregnation techniques for combining carbon nanotubes or other nano-fillers, a polymer resin and a fiber material to produce a polymer material that can be processed into a printing material. Further, the method may include combining the carbon nanotubes or other nano-fillers and the polymer resin to form a masterbatch that may be further combined with the fiber material through an extrusion process. The method results in a printing material with enhanced material properties and smooth surface finish for the printing material and resulting nozzle extrudate for Fused Filament Fabrication.

Abstract: The use of very low concentrations of carbon nanofillers selected from among carbon nanotubes, carbon nanofibers, graphene or a mixture of same in any proportions, in order to improve resistance to ageing, in particular protection against ultraviolet (UV) light, of a composite material based on a polymer matrix. A composite product comprising a composite material, the composite material stabilized with respect to UV light using a content of between 1 ppm and 0.1% by weight, of carbon-based nanofillers chosen from carbon nanotubes, carbon nanofibers, graphene or a mixture of these in all proportions, wherein the composite product is selected from yarns, films, tubes, fibers, and nonwovens.

Abstract: Methods and compositions are provided for the efficient and beneficial use of nanoparticulates, such as carbon nanotubes. In various embodiments, a nanoparticulate entrapped in a linear polymer, where the linear polymer is formed in the presence of the nanoparticulate, is provided. The entrapped nanoparticulate provides an efficient means to introduce nanoparticulates into compositions, such as resins and fiber-reinforced resins, allowing for increased dispersion and beneficial properties.

Abstract: The present application refers to a process for the modification of polypropylene, wherein amount, size and configuration of the branches are controlled, the process comprising the steps of (A) preparing a bis(sulphonazide) (BSA) masterbatch by dispersing BSA in polyolefin; (B) adding (i) at least one fatty acid salt with metal cation having valence of 1+ to 3+; and (ii) the BSA masterbatch prepared in step (A) to the polypropylene to be modified. Said modified polypropylene of the present invention possesses properties suitable for use in foaming, blowing, thermoforming, recoating, film extrusion, BOPP, spinning processes and other processes and applications, and it is also suitable to be in contact with food products.

Abstract: A method for forming a pigmented aqueous slurry includes a step of combining a dispersant having pigment affinic groups with water to form an aqueous dispersant mixture. Pigment is added to the aqueous dispersant mixture to form an aqueous pigment mixture. The aqueous pigment composition is ground until the average particle size is less than 30 microns to form a pigmented aqueous slurry.

Abstract: Disclosed are a continuous manufacturing process for a rubber masterbatch and a rubber masterbatch prepared therefrom.

Abstract: Provided are body corrective cosmetic formulations and methods of use thereof.

Abstract: The invention relates to a method for producing compositions containing vinyl-aromatic copolymers that are obtained in an emulsion polymerization process and comprise production-related salt inclusions. Said compositions are characterized by improved surface quality following storage in a warm-humid environment and are therefore suitable for producing molded articles having a class A surface that remains flawless over time.