Abstract: The present invention relates to an onium-functionalized siloxane having the general Formula (X) or (X-A) as defined herein; a method for preparing the onium-functionalized siloxane; and its use as an antimicrobial agent.

Abstract: A curable rubber composition including a rubber, a plurality of ground particles, and a reactive surfactant represented by the formula: X—Y—Z where X is a reactive group capable of forming covalent links with the rubber during compounding or vulcanization, Y is a hydrophobic linkage, and Z is a polar group capable of forming self-assemblies via intermolecular interactions, and wherein the reactive surfactant is incompatible with the rubber and a method of making the same.

Abstract: A method for producing a polycarbonate copolymer which has siloxane constituent units represented by any of formulae (1-1)? to (1-4)? and prescribed polycarbonate constituent units, the method having a polymerization step for polymerizing a silane-based compound selected from among a prescribed diaryloxysilane compound, a prescribed dialkoxysilane compound and a prescribed silicon compound, a carbonate compound and a diol compound such as an aromatic diol compound or an alicyclic diol compound in the presence of a transesterification catalyst. The polymerization step is carried out in a molten state under reduced pressure while removing alcohols derived from the carbonate compound.

Abstract: This invention relates to a two-part adhesive composition, comprising a first part comprising at least one ethylenically unsaturated monomer, at least one non-polar styrenic block copolymer, and at least one curing promoter; and a second part comprising at least one initiator. The two-part adhesive composition exhibits excellent adhering strength to both metal substrate and plastic substrate.

Abstract: The present invention relates to a process for the functionalization of a rubber polymer comprising reacting the rubber polymer with at least one source of nitrene or carbene, in the presence of a catalyst of formula TpxAg, wherein Tpx represents a hydrotris(pyrazolyl)borate ligand. This process leads to selective rubber functionalization without secondary reactions such as chain scission or cross linking and produces functionalized rubbers with improved compatibilization properties. The invention also refers to the polymer produced therefrom and to uses of said polymer.

Abstract: Curable compositions of this disclosure comprise a mixture of: a silanol, a free radical initiator, an iodonium salt; and optionally an alkoxysilane, and/or an MQ resin, and/or (meth)acrylate monomer(s). In another aspect, cured compositions of this disclosure comprise: a cured silicone, a free radical initiator or residue thereof, an iodonium salt or residue thereof; and optionally a poly(meth)acrylate and/or an MQ resin, which may comprise the cured silicone. In another aspect, cured compositions of this disclosure comprise: a continuous phase of cured silicone, a discontinuous phase of poly(meth)acrylate inclusions, and optionally an MQ resin, which may comprise the cured silicone. The poly(meth)acrylate inclusions may have an average diameter of less than 1.0 micrometer or smaller. The compositions may be pressure sensitive adhesives. The curable and cured compositions may be solvent-free.

Abstract: The present invention relates to a polyethylene composition comprising, a base resin (A) comprising a copolymer of ethylene and at least one comonomer selected from alpha-olefins having from three to twelve carbon atoms, wherein the ethylene copolymer comprises a low molecular weight component (A-1) and a high molecular weight component (A-2) with the low molecular weight component (A-1) having a lower weight average molecular weight than the high molecular weight component (A-2), (B) carbon black in an amount of 1.0 to 10 wt % based on the total amount of the polyethylene composition, and (C) optional further additives other than carbon black.

Abstract: The present disclosure relates to a thermoplastic resin composition and an exterior material including the same. The thermoplastic resin composition includes 100 parts by weight of styrene-based resins; 0.5 to 5 parts by weight of a first polyamide resin having a melting temperature (Tm) of 230° C. or less; and 0.5 to 10 parts by weight of a second polyamide resin having a melting temperature (Tm) of 250° C. or more. Both the first and second polyamide resins have a relative viscosity of 2.5 or less. The present disclosure advantageously provides a low-gloss thermoplastic resin composition having excellent aesthetics, such as softness, luxuriousness, and naturalness, due to uniform and low gloss, and improvement in surface texture while having mechanical properties and processability equal or superior to those of conventional ASA resins; and an exterior material including the low-gloss thermoplastic resin composition.

Abstract: An organopolysiloxane is provided. The organopolysiloxane is represented by a general formula. In the general formula, R1 are the same or different aliphatic unsaturated monovalent hydrocarbon groups having 2 to 12 carbon atoms, R2s are the same or different monovalent hydrocarbon groups having 1 to 12 carbon atoms and not having an aliphatic unsaturated bond, R3s are the same or different alkyl groups having 1 to 3 carbon atoms, “n” is an integer of from 1 and 500, and “a” is 0 or 1. A thermally conductive silicone composition having the organopolysiloxane as a component is also provided. The organopolysiloxane can be used as a surface treatment agent for a thermally conductive filler. The organopolysiloxane provides for favorable handling/workability of compositions even if such compositions are highly loaded with a thermally conductive filler.

Abstract: A rapid, centrifugal method to prepare polysilazanes and separate them from their ammonium halide-anhydrous, liquid ammonia by-product is coupled with several, alternative methods to recover ammonium halide and anhydrous, liquid ammonia from the by-product. Some reactive modes of by-product recovery lead to sodium chloride as the sole waste product or, optionally, to ammonia borane as a secondary product of the process.

Abstract: A carrier which may have excellent pressure resistance, and even when a protein ligand is not immobilized thereon, a high dynamic binding capacity to a target substance, and a high performance of separating a target substance from a biological sample. Such a carrier may include a polymer having a crosslinked structure containing a divalent group of formula (1): wherein R1 to R4 are independently a single bond or divalent hydrocarbon group, R5 and R6 are independently H or a hydrocarbon group, X is a thio group, sulfinyl group, sulfonyl group, oxy group, >N(—R31), >Si(—R32)2, >P(—R33), >P(?O)(—R34), >B(—R35), or >C(—R36)2 (R31 to R36 independently being H or hydrocarbon group), and * is a bond, provided that when both R1 and R3 or both R2 and R4 are a divalent hydrocarbon group, respectively, R1 and R3 or R2 and R4 may form a ring together with an adjacent carbon atom.

Abstract: This fluorine-containing curable composition comprises a curable component (A) that provides a cured product under the effect of heat or moisture, and a surface-modifying component (B) that contains a perfluoropolyether compound (b1) having a prescribed structure. The perfluoropolyether compound (b1) in the surface-modifying component (B) is present at 0.005-50 mass parts per 100 mass parts of the curable component (A) excluding volatile components. The fluorine-containing curable composition can be cured by heat or moisture, can be coated on the surface of an article even not containing a fluorine-containing solvent, and can provide the cured product surface with excellent surface characteristics.

Abstract: A thermally conductive silicone composition that has high thermal conductivity and excellent workability and misalignment resistance, and contains, in specific ratios: a silicone gel cross-linked product (A); a silicone oil (B) not containing either aliphatic unsaturated bonds or SiH groups and being used as a surface treatment agent for components (C) and (D); an aluminum powder (C) including (C-1)-(C-3), (C-1) being an aluminum powder having an average particle diameter of 40-100 ?m, (C-2) being an aluminum powder having an average particle diameter of at least 6 ?m and less than 40 ?m, and (C-3) being an aluminum powder having an average particle diameter of at least 0.4 ?m and less than 6 ?m; a zinc oxide powder (D) having an average particle diameter of 0.1-10 ?m; and a volatile solvent (E).

Abstract: A multi-part curable composition includes an A part including a polyoxyalkylene polymer (A) having a reactive silicon group, a (meth)acrylic ester polymer (B) having a reactive silicon group, an epoxy resin curing agent (D) having a tertiary amine moiety, an alicyclic structure-containing amine (E1), and a B part including an epoxy resin (C). Each of the reactive silicon groups of the polymer (A) and polymer (B) are represented by —SiR5cX3-c. R5 is a substituted or unsubstituted hydrocarbon group having 1 to 20 carbon atoms, X is a hydroxy group or a hydrolyzable group, and c is 0 or 1. A multi-part curable composition includes an A part including the polymer (A), polymer (B), and an epoxy resin curing agent (D) having a tertiary amine moiety, and a B part including an epoxy resin (C), where either or both of the A and B parts include an amino alcohol compound (E2).

Abstract: The present invention relates to a blend containing at least two different polyolefins which is characterized in that it contains as a further constituent an amorphous poly-alpha-olefin which is based on the monomers ethene, propene and 1-butene and has a viscosity at 190° C. of 200 mPa*s to 200,000 mPa*s, wherein it contains polyethylene and polypropylene as at least two different polyolefins and wherein the polyethylene has a melt flow index [MFI 2.16 kg@190° C.] determined according to the method ISO 1133 reported in the description of less than 10 g/10 min, preferably of 0.01 to 2 g/10 min, and the polypropylene has a melt flow index [MFI 2.16 kg@230° C.] determined according to the method reported in the description of less than 50 g/10 min, preferably of 0.01 to 25 g/10 min, to a process for producing such blends and to the use thereof.

Abstract: Provided is an additive for concrete in which viscosity of a cement composition is low and fluidity is high at an initial stage of casting even when the additive is added, and long-term strength of concrete or the like improves by the addition. A cement additive comprising a water-absorbent resin, wherein the water-absorbent resin is formed by polymerizing a monomer mixture containing no less than 50 mol % of a nonionic non-crosslinkable monomer and no less than 0.1 mol % of a nonionic crosslinkable monomer, and a content of an anionic monomer in the monomer mixture is no more than 20 mol %.

Abstract: Aspects of the present disclosure include compositions of and methods for producing a polymer-polysaccharide nanocomposite resin, including preparing a dispersion comprising polysaccharide nanocrystals, an alkane diol monomer and an alkane diacid agent monomer; polycondensing the alkane diol monomer and the alkane diacid agent monomer in the dispersion to produce a polymer-polysaccharide nanocomposite resin. Aspects of the present disclosure further include compositions of and methods for producing a polybutylene succinate nanocomposite, including dispersing cellulose nanocrystals in 1,4 butanediol (BDO) to form a cellulose-BDO dispersion and esterifying the cellulose-BDO dispersion and succinate anhydride to form a plurality of polybutylene succinate oligomers. The polybutylene succinate oligomers are condensed to form a polybutylene succinate nanocomposite.

Abstract: A polymer composition contains polylactic acid and a dilactide/?-caprolactone copolymer, in which a content of the polylactic acid relative to a total of 100 mass % of the polylactic acid and the dilactide/?-caprolactone copolymer is 20 to 40 mass %, and in which the dilactide/?-caprolactone copolymer satisfies (1) an R value represented by a following formula is 0.45 or more and 0.99 or less: R = [ AB ] ? / ? ( 2 ? [ A ] ? [ B ] ) × 100 where [A] is a molar fraction (%) of a dilactide residue in the dilactide/?-caprolactone copolymer, [B] is a molar fraction (%) of an ?-caprolactone residue in the dilactide/?-caprolactone copolymer, and [AB] is a molar fraction (%) of a structure in which a dilactide residue and an ?-caprolactone residue are adjacent to each other (A-B and B-A) in the dilactide/?-caprolactone copolymer, and (2) at least one of the dilactide residue and the ?-caprolactone residue has a degree of crystallization of less than 14%.

Abstract: Functionalized silicone polymers incorporating segments formed from medium-chain fatty acids are generally disclosed herein. Methods of using such compounds, for example, as surfactants, are also disclosed herein, as well as methods of making such compounds, for example, from medium-chain fatty acids derived from natural oils.

Abstract: The present invention relates to an unsaturated polyester resin, and a preparation method therefor and use thereof. The unsaturated polyester resin is prepared of the following raw materials in parts by mass: 50-90 parts of a prepolymer, 10-30 parts of phenylethylene, 5-15 parts of methyl methacrylate, and 5-15 parts of 1,3,5-triglycidyl isocyanurate. The prepolymer is formed by combining polyol, a benzene-containing polybasic acid, and an unsaturated polybasic acid with a molar ratio of (2.2-4.5):(1-1.5):(1-1.5); and in the prepolymer, the molar ratio of hydroxyl to carboxyl is (1.0-1.5):1. The unsaturated polyester resin has good yellowing resistance and also has good heat resistance, and a thermal deformation temperature is generally higher than 130° C.