Abstract: A method for producing polypropylene-based resin (PPBR) expanded beads may include dispersing, first expanding, and second expanding. In the dispersing, resin particles are dispersed in a dispersion medium, the resin particles each including a core layer, containing carbon black blended into PPBR in a predetermined ratio, based on 100 parts by mass of PPBR, and a covering layer covering the core layer, containing carbon black blended into a polyolefin-based resin (POBR) in a predetermined ratio, based on 100 parts by mass of POBR. The first expanding expands the core layer of the resin particle to obtain a first expanded bead having a bulk ratio of 5 to 25 times. The second expanding expands the first expanded beads further to obtain second expanded beads. An M2/M1 ratio of a bulk ratio M2 of the second expanded beads to a bulk ratio M1 of the first expanded beads is 1.2 to 3.0.

Abstract: Provided are lightweight hollow particles having good handling property and dispersibility and applications thereof. The hollow particles include a thermoplastic resin shell and a hollow part surrounded by the shell, have a true specific gravity (d1) ranging from 0.02 to 0.1, and satisfy the condition 1 shown below. The ash content of the hollow particles preferably is 2.5 wt % or less. Also disclosed is a composition containing the hollow particles and a formed product manufactured by forming the composition. Condition 1: The true specific gravity (d1) and an aerated bulk density (d2) of the hollow particles satisfy the following formula (I): Formula ? ( I ) ? 5 ? 8 ? 1 ? 0 ? 0 × ( d 1 - d 2 ) / d 1 ? 7 ? 8 .

Abstract: The present invention relates generally to the field of degrading recycled polyethylene terephthalate (rPET), for example rPET layers in multilayer packaging. For example, the present invention relates to a method of degrading rPET comprising the step of subjecting the rPET to at least one cutinase. The rPET may be a rPET-based layer in a multilayer packaging structure comprised in a packaging. Remarkably, the subject matter of the present invention allows the selective degradation of rPET containing layers in multilayer packaging materials.

Abstract: The invention relates to a method for decomposing polyurethane, wherein material containing polyurethane is heated to a temperature from 190° C. to 250° C. under overpressure in the presence of an aqueous solution containing 1 to 45 mass percent urea. It further relates to a liquid process medium obtainable thereby.

Abstract: The present invention relates to a polybutylene terephthalate composition, comprising (A) 40 to 99.8% by weight of polybutylene terephthalate, (B) 0.2 to 10% by weight of at least one conductive filler selected from the group consisting of carbon nanotubes, carbon nanostructures, and a combination thereof, and (C) 0 to 50% by weight of glass fiber, each being based on the total weight of the poly butylene terephthalate composition, wherein the carbon nanostructures each comprise a plurality of carbon nanotubes which are branched, crosslinked, and/or sharing common walls with one another. The present invention also relates to an EMI shielding article produced from the polybutylene terephthalate composition.

Abstract: Provided is a polymerizable composition comprising a norbornene-based monomer, rare earth element-containing particles having a number-based modal size of 0.05 ?m or more and less than 1.5 ?m, and a metathesis polymerization catalyst.

Abstract: A polarizing plate and an optical display apparatus including the same are disclosed. A polarizing plate includes: a polarizer; and a protective layer on at least one surface of the polarizer, and the polarizer includes a polyvinyl alcohol based film containing a dichroic material and contains a zinc cation and a sodium cation, and a ratio of the sodium cation to the zinc cation is in a range from 0.1 to 0.96, and a total content of the zinc cation and the sodium cation is in a range from 500 ppm to 1,500 ppm.

Abstract: A polymer resin is provided having a compatibilizing agent, an ammonium polyphosphate flame retardant, a non-drip agent and a glass fiber reinforcement is provided. The ammonium polyphosphate flame retardant includes at least one of a crystallized ammonium polyphosphate, an ammonium polyphosphate, a melamine coated ammonium polyphosphate, a fine/crystal blend of ammonium polyphosphate, and any combination thereof. The polymer resin may also include a smoke suppressant, wherein the smoke suppressant is any one of or any combination of zinc (IV) hydrogen phosphate, particles having a fire retardant core that includes an overcoat of selected flame retardant materials, and a nanohybrid having a core that includes any an organic/inorganic halogenated, non-halogenated, and/or organophosphorus flame retardant material the surface of the core modified with nanoparticles of any one of or any combination of a metal and a metal oxide. The polymer resin may also include an enhancement additive.

Abstract: A mint-based vehicular conductive wiring insulation for preventing rodents and other animals from chewing vehicular conductive wiring. The insulation is biodegradable and cost-effective and does not contain soy and petrochemical compounds. The insulation includes mint such as Peppermint, Spearmint, and/or Applemint and can be used as an insulation for any type of vehicular electric wiring. The mint wires having mint insulation over a conducting element resembling and functioning like soy-based wires and preventing animals from chewing on the wires due to the repellant properties of mint flavors to most animals. The insulation and wire can be used with any type of wire harness.

Abstract: A method of obtaining a volatile or semi-volatile natural antioxidant by toasting a comestible byproduct, natural antioxidants obtained by toasting the comestible byproduct, and packaging films incorporating such natural antioxidants are described herein.

Abstract: Provided is a curable composition containing an epoxy resin (A), an aliphatic amine compound and/or an alicyclic amine compound (B), core-shell particles (C), and an imidazole compound (D), wherein a ratio H/E of an amount by mole H of active hydrogen in the aliphatic amine compound and/or the alicyclic amine compound (B) to an amount by mole E of epoxy group in the epoxy resin (A) is 0.3 to 0.9. The curable composition has rapid curing properties, and forms a cured object having favorable heat resistance and toughness. Therefore, the curable composition can be suitably used for a fiber-reinforced composite material and a molded fiber-reinforced resin article, in addition to an application in which the curable composition is cured.

Abstract: When a composition including (A) an organosilicon compound represented by formula 1 and (B) when an organosilicon compound having at least one group selected from a polysulfide group, a thioester group, and a mercapto group and having an alkoxysilyl group is added to a rubber composition, a rubber composition is imparted that can achieve low fuel consumption and wear resistance while the workability of the composition and the hardness and tensile properties of cured products thereof are maintained.

Abstract: The present disclosure provides systems and methods for producing composite materials. The methods may comprise feeding to an extruder one or more components which may comprise a first component comprising a fiber and a second component comprising a polymer-based matrix or composite to generate a composite material. The fiber may be a biological fiber in a rope form when being directed into the extruder.

Abstract: The fine hollow particle of the present invention is a fine hollow particle composed of a resin film comprising a melamine-based resin, in which the resin film is composed of a plurality of small piece-shaped portions and a bonding portion for bonding the plurality of small piece-shaped portions. According to the present invention, it is possible to provide stable fine hollow particles having excellent solvent resistance and heat resistance, good dispersibility, and a large particle diameter.

Abstract: A population of nanocomposite particles including nanoparticles and poly (ethylene imine) (PEI) grafted thereto. In some embodiments there is no intervening layer between the nanoparticles and the PEI. Methods of making and using nanocomposite particles are also disclosed.

Abstract: A resin sheet includes a dried product or semi-cured product of a thermosetting composition, the thermosetting composition including an ethylene-propylene-diene copolymer as Component (A); and an inorganic filler, as Component (B), surface-treated with a surface treatment agent having a polymerizable unsaturated bond.

Abstract: The present disclosure is directed to self-extinguishing aliphatic polyketone compositions suitable for direct or indirect contact with food and method of preparing same. The compositions and methods demonstrate an inverse synergistic effect between the composition's melt viscosity and a minimum amount of magnesium hydroxide to provide the composition with a self-extinguishing performance.

Abstract: A modified bitumen composite includes bitumen, a multiplicity of particles comprising silicate, and a modifier comprising one or more organosilanes, one or more bio-oils, or both, wherein the modifier at least partially coats each particle of the multiplicity of particles. Making the modified bitumen composite includes combining bitumen, the multiplicity of particles comprising silicate, and the modifier to form a mixture, and heating the mixture to yield the modified bitumen composite.

Abstract: An epoxy resin composition comprising an epoxy resin (A) and a latent curing agent (B), wherein the latent curing agent (B) is solid at 25° C.

Abstract: A mill dried microcrystalline cellulose (MCC) is obtained in a process comprising the steps of a) providing MCC having a moisture content of from 20 to 75 percent, based on the total weight of the moist MCC; and b) mill-drying the moist MCC in a single device capable of milling and drying in combination. The process can provide mill-dried microcrystalline cellulose having similar particle size distribution (LEFI, DIFI and EQPC) and moisture content as the corresponding spray-dried microcrystalline cellulose. The process can provide mill-dried microcrystalline cellulose having a higher tapped/untapped bulk density and/or a lower Carr index, while keeping a similar moisture content, as the corresponding spray-dried microcrystalline cellulose.

Abstract: The present invention relates to a polysaccharide complex comprising at least one polysaccharide (P1) and ii) a heterologous lipid carrier wherein the heterologous lipid carrier comprises a) a lipid portion comprising at least one ceramide-like glycolipid moiety and/or a fatty acid moiety and b) at least one non-lipid moiety, preferably said non-lipid portion comprises at least one carbohydrate moiety, at least one lipopeptide moiety, at least one linker, at least one chemical compound, and/or at least one peptide moiety, wherein i) and ii) are associated. Further, the invention is directed to a method to prepare said polysaccharide complex.

Abstract: In some aspects, the present disclosure pertains to radiopaque crosslinked hydrogel compositions that comprise a crosslinked reaction product of (a) a polyamino iodinated compound and (b) a reactive polymer that comprises a plurality of reactive groups that are reactive with the amino groups of the polyamino iodinated compound. In other aspects, the present disclosure pertains to systems for forming a hydrogel composition that comprise (a) a polyamino iodinated compound and (b) a reactive polymer that comprises a plurality of reactive groups that are reactive with the amino groups of the polyamino iodinated compound. In further aspects, the present disclosure pertains to methods of treatment using such systems.

Abstract: A toothed belt includes a belt body made of a rubber composition. The rubber composition contains a hydrogenated nitrile rubber having a bound acrylonitrile content of 15% by mass or more and 30% by mass or less, has a hardness of A70 or more and A80 or less at a test temperature of 25° C., and has a cold resistance index of 0.25 or less after being heat-aged by being exposed to an atmosphere at a temperature of 140° C. for 144 hours, the cold resistance index being defined by the following formula (I): Cold ? Resistance ? Index = 5 ? % ? Modulus ? at ? Test ? Temperature ? of - 40 ? ° ? C . / ? Hardness ? at ? Test ? Temperature ? of ? 25 ? ° ? C .

Abstract: Compositions comprising post-consumer recyclate polyolefins are described herein. The post-consumer recyclate are blended with virgin resin using a compatibilizer and an impact modifier. The resulting blends showed improved physical properties compared with compositions not containing compatibilizers and/or the impact modifier. The variability in physical properties upon addition of compatibilizer and impact modifier allows for selection of resins to produce blended resins with desired physical properties for a wider range of applications than was previously possible with recycled plastics.

Abstract: A bimodal polyethylene composition has a density of from 0.940 to 0.949 g/cm3, a melt index, I2 of greater than 5 g/10 min and an environmental stress crack resistance, ESCR of greater than 1000 hours as determined by ASTM D1693 in 100% IGEPAL CO-630 under condition B. The bimodal polyethylene composition which comprises a first ethylene copolymer and a second ethylene copolymer is relatively easy to process and may be used to make molded articles.

Abstract: A thermoplastic resin composition and a molded article having an antifouling property and exhibiting good antibacterial activity against Staphylococcus aureus and Escherichia coli are provided. A thermoplastic resin composition contains 5 to 95 parts by mass of a propylene resin (A), 5 to 95 parts by mass of at least one selected from the group consisting of an ethylene-based copolymer rubber (B) and a copolymer (B?) containing a monomer unit derived from an aromatic vinyl compound and a monomer unit derived from a conjugated diene compound, and a glycerol fatty acid ester (C), in which (C) is an ester of a fatty acid having 8 to 14 carbon atoms.

Abstract: A polyethylene composition has a density of from 0.941 to 0.962 g/cm3; a melt index, I2 of from 0.5 to 5.0 g/10 min; a melt flow ratio, I21/I2 of ?40; a Z-average molecular weight distribution, Mz/Mw of ?2.5; a comonomer distribution breadth index, CDBI50 of >50 wt %; and a long chain branching factor, LCBF of >0.0010. In a temperature rising elution fractionation (CTREF) analysis, the polyethylene composition has greater than 70 weight percent of material eluting at a temperature of greater than 90° C.

Abstract: Disclosed herein are ethylene-based polymers generally characterized by a melt index of less than 15 g/10 min, a density from 0.91 to 0.945 g/cm3, a CY-a parameter at 190° C. from 0.2 to 0.6, an average number of long chain branches per 1,000,000 total carbon atoms of the polymer in a molecular weight range of 500,000 to 2,000,000 g/mol of less than 5, and a maximum ratio of ??/3? at an extensional rate of 0.03 sec?1 in a range from 3 to 15. The ethylene polymers have substantially no long chain branching in the high molecular weight fraction of the polymer, but instead have significant long chain branching in the lower molecular weight fraction, such that polymer melt strength and bubble stability are maintained for the fabrication of blown films and other articles of manufacture.

Abstract: An olefin-based polymer composition capable of forming a film that can be heat-sealed at a relatively low temperature and having good anti-blocking property in the film and a film containing the olefin-based polymer composition are provided. The olefin-based polymer composition contains an olefin-based polymer and satisfies the following requirements (1) to (3): (1): in temperature gradient interaction chromatography of the olefin-based polymer composition measured using a gel permeation chromatograph equipped with a graphite-packed column, an elution amount measured at 70° C. to 95° C. is 10.0 mass % to 28.0 mass % based on 100 mass % of an elution amount measured up to 160° C., (2): an amount of a cold xylene soluble component is 20.0 mass % or less, and (3): a melting point of the olefin-based polymer composition is 150° C. or lower.

Abstract: A covering for a light-source made from or containing a polyolefin composition made from or containing: (A) 50-80% by weight of a propylene polymer made from or containing from 0.1 to 40% by weight of units deriving from ethylene or an alpha-olefin of formula CH2?CHR1, where R1 is a linear or branched C2-C8 alkyl, based on the weight of (A); (B) 15-35% by weight of an elastomeric component selected from the group consisting of: (B1) ethylene copolymers with an alpha-olefin, (B2) saturated or unsaturated styrene or alpha-methylstyrene block copolymers, and (B3) combinations thereof; (C) 5-30% by weight of glass fibers; and (D) 0-5.0% by weight of a compatibilizer, wherein the amounts of (A), (B), (C), and (D) are based on the total weight of (A)+(B)+(C)+(D).

Abstract: The present invention relates to a composition comprising an aqueous dispersion of a) polyisobutylene particles; and b) polyolefin particles, which are polyethylene or polypropylene particles, wherein the weight-to-weight ratio of the polyisobutylene particles to the polyolefin particles is in the range of from 20:80 to 80:20. The composition of the present invention is useful for making coatings on paper or paperboard substrates with excellent moisture barrier and tack properties.

Abstract: A resin composition and uses thereof are provided. The resin composition includes: (A) a polyfunctional vinyl aromatic copolymer; and (B) a compound having a structure of formula (I), wherein the polyfunctional vinyl aromatic copolymer (A) is prepared by copolymerizing one or more divinyl aromatic compounds with one or more monovinyl aromatic compounds, and in formula (I), Y1 is an organic group.

Abstract: Provided are a regenerated-styrene-based resin composition that has a high rate of recycled material content, excellent impact resistance, excellent creep resistance in a thin-walled thickness, as well as a safeness in that the flammability complies with UL94HB, and a molded object including the resin composition. In a regenerated-styrene-based resin composition including a styrene-based recycled material (A) and a styrene-based virgin material (B), the content of the styrene-based recycled material (A) being 40% by mass or more and 90% by mass or less relative to 100% by mass of (A) and (B) in total, the content of a rubber-like polymer is 5.0% by mass or more and 7.0% by mass or less, the content of toluene insoluble matter is 21% by mass or less, and a bending strength, determined in accordance with JIS K7171, is 47 MPa or more.

Abstract: The invention relates to a thermoplastic molding composition (P) comprising: (A) thermoplastic polymer composition (A) comprising: (A-1) 10 to 50 wt.-% of graft copolymer (A-1), (A-2) 1 to 50 wt.-%, of thermoplastic polymer matrix (A-2) based on one or more vinylaromatic copolymers, (A-3) 20 to 50 wt.-%, of polymerized alkyl methacrylate component (A-3), and (A-4) 0 to 45 wt.-% of comonomer which is copolymerized with the at least one polymerized alkyl methacrylate component (A-3), where the sum of (A-1), (A-2), (A-3) and optional comonomers (A-4) is 83.2 to 99.8 wt.-%; (B) a hindered amine light stabilizer composition (B), comprising at least two of substances (B-1) to (B-3): (B-1) 0 to 0.9 wt.-%, of at least one hindered amine light stabilizer having a dipiperidine structure with at least one alkyl group at each of the 2 and 6 positions of the dipiperidine structure (B-2) 0 to 0.9 wt.

Abstract: A thermoplastic resin composition includes an alkyl acrylate-aromatic vinyl compound-vinyl cyanide compound graft copolymer (A) including a seed obtained by polymerizing 45 to 72% by weight of an alkyl acrylate and 28 to 55% by weight of an aromatic vinyl compound, a rubber core formed to surround the seed and obtained by polymerizing 78 to 91% by weight of an alkyl acrylate and 9 to 22% by weight of an aromatic vinyl compound, and a graft shell formed to surround the rubber core and obtained by polymerizing 65 to 82% by weight of an aromatic vinyl compound, 12 to 30% by weight of a vinyl cyanide compound, and 3 to 15% by weight of an alkyl acrylate; and a non-graft copolymer (B) including an alkyl (meth)acrylate, an aromatic vinyl compound, a vinyl cyanide compound, and an imide-based compound.

Abstract: According to the present disclosure, there is provided a resin composition containing a vinyl chloride-based polymer (A1), a plasticizer (A2), and a (meth)acrylic copolymer (B), in which the (meth)acrylic copolymer (B) is a block copolymer or a graft copolymer, which contains a monomer unit (b1) represented by Formula (1).

Abstract: A primary object of the present disclosure is to provide: a fluoropolymer composition that has a low refraction index and that comprises a structural unit having a fluorine-containing aliphatic ring, the fluorine-containing aliphatic ring having one, two, or three ethereal oxygen atoms as ring-constituting atoms; a production method therefor; and the like. The present disclosure relates to a fluorine-containing composition comprising two or more fluorine-containing polymers (A), each containing as a main component a structural unit having a fluorine-containing aliphatic ring, the fluorine-containing aliphatic ring having one, two, or three ethereal oxygen atoms as ring-constituting atoms; and the like.

Abstract: A process for preparing (meth)acrylate-based reactive resins involves mixing at least one polymer component and a monomer component. The reactive resins, especially (meth)acrylate resins, as are useful as a component, for example, in two-component systems employed as road marking, floor coating, or sealant. A particular feature of the new process is that its use can bring about increased product safety and stability both during preparation and during storage and transport.

Abstract: A composition includes particular amounts of a poly(methyl methacrylate), a poly(carbonate-siloxane), and a low density polyethylene. Also provided is a method of making the composition and articles including the composition.

Abstract: In regard to a conventionally known resin composition for an antistatic hard coating to which an ionic liquid is added and an antistatic hard coating using it, there is a problem that it is difficult to achieve both an antistatic ability and high hardness. In order to solve the problem, used is a resin composition for an ultraviolet curing hard coating, the resin composition containing: an electrically conductive polymer that contains polythiophene (A) including at least two structural units represented by a specific general formula; an ultraviolet curable resin (B); and a solvent (C).

Abstract: Embodiments of the present disclosure generally relate to urea-formaldehyde (UF) resin compositions, methods of making, and uses thereof. In an embodiment, a method of forming a UF resin composition is provided. The method includes heating a first mixture comprising formaldehyde and a first amount of urea, introducing a bio-additive with the first mixture to from a second mixture, and heating the second mixture at a selected temperature while maintaining the second mixture at a selected pH. The method further includes introducing a second amount of urea to the second mixture to form a third mixture, and heating the third mixture to form a first product mixture comprising a UF resin composition. In another embodiment, a UF resin composition is provided. The UF resin composition includes a liquid UF resin and a bio-additive. The UF resin composition can optionally include a rheology- and/or strength-enhancing polymer, a methylated melamine-formaldehyde crosslinker, or both.

Abstract: A modified crystallized polyethylene terephthalate (modified CPET) resin and method of making the same is provided herein. The modified CPET resin comprising crystallized polyethylene terephthalate with a first refractive index, an impact modifier with a second refractive index, and a compatibilizer with a third refractive index. The second refractive index is within (0.05 to 0.02) of the first refractive index, and the third refractive index is within (0.05 to 0.02) of the first refractive index.

Abstract: A polylactide resin composition that is used in combination with a specific nucleating agent, the composition being excellent in crystallinity degree and excellent in dispersibility between components and thus also is excellent in transparency. Accordingly, it is possible to maintain the properties inherent in the polylactide resin while having excellent processability.

Abstract: A process for manufacturing particles including a stereocomplex of poly-D-lactide (PDLA) and poly-L-lactide (PLLA), including the steps of: extruding a melt including 30-70 wt. % of PDLA and 70-30 wt. % of PLLA through an sc-PLA formation zone in a twin-screw extruder, wherein the formation zone is operated at a barrel temperature above the melting temperature of the PDLA and PLLA and below 220° C.; wherein the sc-PLA formation zone is followed by a finishing zone which is operated at a barrel temperature below 160° C.; wherein the finishing zone is followed by the end of the extruder which has a die-head resistance of 0; and recovering solid stereocomplex particles from the end of the extruder. The stereocomplex particles find use in various applications, e.g., in fracking fluids, as filler, as nucleating agent, in particular in the molding of semi-crystalline PLA, or as a starting material for the manufacture of sc-PLA products.

Abstract: The present invention relates to: a polycarbonate resin composition that is for 3D printing and has excellent shape retention ability and interfacial adhesion; and a pellet for 3D printing and filament for 3D printing, wherein the pellet and filament contain the polycarbonate resin composition. More specifically, the present invention relates to a polycarbonate resin composition for 3D printing, and a pellet and a filament that are for 3D printing and comprise the polycarbonate resin composition, wherein the polycarbonate resin composition comprises a specific combination of a polycarbonate (PC) resin, a polybutylene terephthalate (PBT) resin, a carbon black master batch, and a carbon fiber, retains the excellent mechanical properties of the polycarbonate resin, and has an excellent balance of particular properties, such as shape retention ability and interfacial adhesion, required of 3D printing filaments.

Abstract: The present invention relates to a process for manufacturing a silicone elastomer article comprising the following step:1) providing a composition C, comprising water, at least one poloxamer and a poly(oxyalkylene glycol), into a container; 2) placing the container comprising the composition C at the required temperature T1 to form a gel; 3) printing a crosslinkable silicone composition X into the gel obtained in 2) with a 3D printer at the required temperature T1; 4) optionally allowing the printed composition X to partially or totally crosslink, optionally by heating, to obtain a silicone elastomer article, in the container; 5) optionally placing the container obtained in step 4) at a temperature T3 lower than the sol-gel transition temperature of composition C; 6) recovering the silicone elastomer article; and 7) optionally washing the obtained silicone elastomer article for example with water at a temperature T3 lower than the sol-gel transition temperature of composition C.

Abstract: The invention is directed in particular to a polyamide composition comprising: (A) 70-99.9 wt. % of polyamide 6 and/or polyamide 66; (B) 0.01-30 wt. % of at least one long chain semi-crystalline polyamide; and (C) 0-30 wt. % of one or more additives, it being understood that (A), (B) and (C) add up to 100 wt. %. It also concerns a process for its manufacture, its use for the manufacture of films, films comprising said polyamide compositions and their use for food packaging, the use of semi-crystalline long chain polyamide to improve the break stress of a film comprising polyamide 6 and/or polyamide 66 and a food packaging comprising said polyamide composition or said film.

Abstract: A composite composition, and process for making and article comprising same, the composition comprising 3 to 30 parts by weight particles comprising aramid copolymer including an imidazole group, and up to 97 parts by weight of a thermoplastic engineering polymer; wherein said particles are uniformly dispersed in the thermoplastic engineering polymer and reduce the wear rate of the thermoplastic engineering polymer by at least 25 percent.

Abstract: An organoalkoxysilane-containing composition including: (A) an organohydrogenpolysiloxane having a structural unit selected from the group consisting of SiO2, HSiO1.5, R1SiO1.5, R1HSiO, R12SiO, R12HSiO0.5, and R13SiO0.5; (B) an organopolysiloxane having a structural unit selected from the group consisting of SiO2, R2SiO1.5, R1SiO1.5, R1R2SiO, R12SiO, R13SiO0.5, and R12R2SiO0.5, wherein R1 represents a monovalent hydrocarbon group except for an aliphatic unsaturated group, and R2 represents an alkenyl group; and (C) an organoalkoxysilane represented by R3aSi(OR4)4-a and/or a partial hydrolytic condensate thereof, wherein an amount of (C) is 100 to 10,000 parts by mass relative to 100 parts by mass of a total amount of (A) and (B). This provides a composition that can be a water-absorption inhibitor that can impart an excellent water-absorption inhibiting property to a surface of a structural material.

Abstract: [Problem] An object of the present invention is to provide an aqueous dispersion of silicone rubber spherical particles having excellent oil absorptiveness, relative to certain oil materials, specifically hydrocarbon oils or ester oils, and cosmetics to which the aqueous dispersion is added, having excellent use feeling, finish, adherence, and sebum resistance.