Abstract: A thermoplastic resin composition comprising a graft copolymer (A), a vinyl copolymer (B), and a metal component (C), wherein: an amount of the metal component (C) is 60 ppm or more relative to a total mass of the thermoplastic resin composition, the graft copolymer (A) is a graft polymer obtained by polymerizing 80% by mass to 20% by mass of a vinyl monomer mixture (m1) including at least one type of vinyl monomer in the presence of 20% by mass to 80% by mass of a rubbery polymer (a) including a polyorganosiloxane and an alkyl (meth)acrylate polymer, the vinyl copolymer (B) is a vinyl copolymer obtained by polymerizing a vinyl monomer mixture (m2) including an alkyl (meth)acrylate monomer, and the metal component (C) is an alkali metal.

Abstract: A rubber composition comprising 0.1 to 2.5 parts by weight of a lubricant having a flow temperature of 50 to 100° C. based on 100 parts by weight of an ethylene/butene/5-ethylidene-2-norbornene terpolymer. This rubber composition is compounded with a specific lubricant, has the following effects. That is, the rubber composition prevents difficulties caused by sticking between unvulcanized rubber compound, improves productivity in the rubber compound preparation process and the vulcanization molding process of crosslinked molded products, such as seal members, and does not impair the low temperature properties of the crosslinked molded products. This rubber composition is effectively used as a crosslinking molding material for seal parts, for which a high pressure gas sealing function is particularly required in a low temperature environment, e.g., ?39° C. or lower.

Abstract: Described herein is a (meth)acrylic copolymer including a polymeric backbone and at least two kinds of side chains (S1) and (S2) attached to the polymeric backbone, which are different from each other, namely one or more side chains (S1) including at least one tin-containing moiety and one or more side chains (S2) bearing at least one ester group of formula —O—C(?O)—R1, where R1 is a linear or branched, saturated or unsaturated, acyclic aliphatic residue having at least 18 carbon atoms, a method of preparing the copolymer, a method of using the copolymer as catalyst in crosslinking reactions in coating compositions and/or for lengthening the pot life of coating compositions and/or for lowering the curing temperatures of coating compositions, a coating composition including the copolymer and a method of coating a substrate including applying the coating composition to a substrate.

Abstract: This disclosure relates to a polymer composition with color pigments highly incorporated, comprising (a) propylene-based copolymers and/or ethylene/C3-C10 alpha-olefin copolymers and (b) one or more color pigments.

Abstract: An aqueous emulsion including a discontinuous oil phase comprising: a) a polyorganohydrogensiloxane, b) an amino-modified polyorganosiloxane comprising at least one amino group located at a terminal position and c) a blocked isocyanate.

Abstract: The invention relates to carbonate-linked surface modifying macromolecules and admixtures thereof. The admixtures can be used in industrial and medical applications where enhanced surface properties are desirable (e.g., surface properties reducing or preventing biofouling, immobilization of biomolecules, or denaturation of certain biomolecules).

Abstract: A chlorinated polyolefin resin may have excellent adhesion and can be produced without using a chlorinated solvent and without producing by-products through a series of production processes. Such a chlorinated polyolefin resin may be a chlorinated polyolefin resin having an amount of chlorine of 1% by weight to 45% by weight obtained by chlorinating a raw material composition in the absence of an organic solvent, wherein the raw material composition includes at least a polyolefin A or an acid-modified product thereof which has fluidity at 40° C. or less and a polyolefin B or an acid-modified product thereof which has a melting point of more than 40° C. and 150° C. or less.

Abstract: The present invention relates to a method for preparing a polysiloxane-polycarbonate block co-condensate, wherein a siloxane component containing both aliphatic and aromatic groups is used as a mediator. The invention also relates to a polycarbonate composition and also to the use of the special siloxane component for reducing the particle size distribution of the siloxane domains in a polysiloxane-polycarbonate block co-condensate.

Abstract: Disclosed is a polyanhydride having Formula I where A is In Formula I: R1 and R2 are the same or different at each occurrence and are F, CN, alkyl, fluoroalkyl, alkoxy, fluoroalkoxy, silyl, siloxy, unsubstituted or substituted hydrocarbon aryl, unsubstituted or substituted heteroaryl, or unsubstituted or substituted aryloxy; R3 and R4 are the same or different and are A3, A4, H, F, CN, alkyl, fluoroalkyl, alkoxy, fluoroalkoxy, silyl, siloxy, unsubstituted or substituted hydrocarbon aryl, unsubstituted or substituted heteroaryl, or unsubstituted or substituted aryloxy; R5 and R6 are the same or different and are H, F, CN, alkyl, fluoroalkyl, alkoxy, fluoroalkoxy, silyl, siloxy, unsubstituted or substituted hydrocarbon aryl, unsubstituted or substituted heteroaryl, and unsubstituted or substituted aryloxy; R8 is selected from the group consisting of alkyl, silyl, unsubstituted or substituted hydrocarbon aryl, or unsubstituted or substituted heteroaryl; c and d are the same or different and are an integer f

Abstract: A polyester is disclosed which is made up of: (1) from about 15 to about 40 weight percent monomer repeat units of isosorbide; (2) from about 25 to about 60 weight percent monomer repeat units of a dicarboxylic acid or anhydride such as succinic acid or anhydride; and (3) from about 10 to about 20 weight percent monomer repeat units of a polyhydric alcohol such as 1,3-propanediol. In some instances, the polymer may also include monomer repeat units of methyl nadic anhydride or nadic anhydride. A polymer composition is also disclosed, which includes the polyester as well as a biodegradable polymer selected from the group consisting of poly(lactic acid), poly(hydroxyalkanoates), and mixtures thereof.

Abstract: Silicone material obtained by a reaction between:—at least one organopolysiloxane (A) that has a molar mass of less than 70,000 g/mol, preferably less than 50,000 g/mol, and contains siloxyl units I.1 and I.2; and—at least one organic compound (B) carrying at least two carboxylic acid groups and having no unsaturation. Y a ? Z b 1 ? SiO 4 - ( a + b ) 2 ( I ? .1 ) Z c 2 ? SiO 4 - c 2 ( I ? .

Abstract: There is provided an adhesion mediator composition for use in the adhesion of silicone elastomers made from hydrosilylation curable silicone rubber compositions to thermoplastic substrates, especially polyolefin substrates. There is also provided a process for adhering silicone elastomers to thermoplastic substrates using the adhesion mediator composition. The adhesion mediator composition comprises: (i) a trialkoxysilane; (ii) a platinum group metal based hydrosilylation reaction catalyst; (iii) an alkoxy titanium compound; (iv) a tetraalkoxysilane; and (v): either (a?) a polyorganosiloxane containing at least two unsaturated groups; or (b?) a mixture of two or more polyorganosiloxanes containing at least two unsaturated groups.

Abstract: The invention concerns a method for producing a population of particles of a polymer, wherein the polymer is poly-butylene terephthalate (=PBT) or polyethylene terephthalate (=PET) or a copolymer comprising polybutylene terephthalate and/or polyethylene terephthalate, wherein the polymer is dissolved in an organic solvent which solvent is selected such that it completely solubilizes the polymer only at a temperature of the solvent above 100° C., wherein the method comprises heating the solvent and the solid polymer immersed in the solvent at least to a first temperature, at which first temperature the polymer completely dissolves, cooling the solution until a second temperature is reached at which second temperature clouding of the solution starts, further cooling the solution at a rate in a range of 0.05 ° C./min to 5° C./min or keeping the solution at the second temperature or at a temperature up to 3° C.

Abstract: A polyoxymethylene polymer composition is disclosed containing a formaldehyde stabilizer package. The formaldehyde stabilizer package, which contains at least two emission control agents, dramatically and unexpectedly reduces formaldehyde emissions. The formaldehyde stabilizer package includes at least two emission control agents selected from the group of benzoguanamine compounds, a hydantoin, a substituted hydantoin, an amino acid, and an alkylene urea such as ethylene urea.

Abstract: Embodiments are directed to polymer blends and molded articles including polymer blends. Embodiments of the polymer blend may include 1 to 40 wt. % of a crystalline block composite and from 60 wt. % to 99 wt. % of an ionomer formed from a partially neutralized precursor acid copolymer. The crystalline block composite may include an EP-iPP diblock polymer, an isotactic polypropylene homopolymer, and a copolymer of ethylene and propylene. The crystalline block composite may include greater than 50 wt. % of the isotactic polypropylene homopolymer. The precursor acid copolymer may include copolymerized units of ethylene and 5 wt. % to 30 wt. %, based on the total weight of the precursor acid copolymer, of copolymerized units of an ?,?-ethylenically unsaturated carboxylic acid having 3 to 8 carbon atoms. About 25% to about 65% of the acid groups derived from the ?,?-ethylenically unsaturated carboxylic acid of the precursor acid copolymer may be neutralized.

Abstract: Rapid and long lasting defoaming is accomplished by use of a defoamer formulation employing an organopolysiloxane having siloxy groups linked by an alkylene group, a filler, a silicone resin, a silanol-terminated organopolysiloxane, and an inorganic or organic acid.

Abstract: The present invention relates to a diene-based rubber latex including a polymer aggregate and having an extra large diameter, a method for preparing same and a graft copolymer with a core-shell structure, including same and having excellent impact strength and surface properties. A diene-based rubber latex of which 14 wt % to 26 wt % has diameter of 100 nm to less than 300 nm, 62 wt % to 81 wt % has a diameter of 300 nm to less than 800 nm, and 5 wt % to 14 wt % has a diameter of 800 nm to less than 1000 nm, based on 100 wt % of total rubber particles.

Abstract: The present invention is a room temperature curable resin composition comprising: as the main agent, an organic polymer in which both molecular chain terminals are sealed by a silanol group and/or a hydrolyzable silyl group; and an organic silicon compound of a specific structure having, in a molecule, an organosiloxane structure, a hydrolyzable silyl group, and a hindered amine skeleton. This resin composition produces a cured product in which the degradation over time associated with the effects of light such as UV rays can be suppressed.

Abstract: Defoamer formulations with rapid knockdown and extended performance contain specific polyorganosiloxanes having alkylene linkages between siloxy groups, silicone resins, fillers, a polyoxyethylene surfactant, and an organic or inorganic acid.

Abstract: Described in embodiments herein are ionomers comprising a neutralized blend of an ethylene acid copolymer, an aliphatic and a mono-functional organic acid. The blend includes from 40 wt % to 95 wt % of the ethylene acid copolymer, from 5 to 50 wt % of the aliphatic, mono-functional organic acid, based on the total weight of the blend. The ethylene acid copolymer is the polymerized reaction product of ethylene, from 1 to 25 wt % of monocarboxylic acid and from 1 to 40 wt % of alkyl acrylate, based on the total weight of the monomers present in the ethylene acid copolymer. The aliphatic, mono-functional organic acid has fewer than 36 carbon atoms. In various embodiments, at least 70 mole % of total acid units are neutralized with both a trivalent cation and either a mono- or di-valent cation.