A manufacturing method for a polyether polysiloxane block copolymer composition that can avoid the use and incorporation of aromatic hydrocarbon-based solvents is provided. The manufacturing method is generally easy on an industrial production scale. The manufacturing method includes a step of obtaining a polyether polysiloxane block copolymer (A) by a specific reaction in the presence of a saturated hydrocarbon solvent (C) having an average number of carbon atoms in a range of 6 to 11, and a step of replacing the solvent (C) used in the reaction with (B) a (poly)glycol or a polyglycol derivative diluent, either during or after the aforementioned step. Also provided is a method of manufacturing a foam stabilizer or the like using the composition obtained by the aforementioned manufacturing method.

A manufacturing method for a polyether polysiloxane block copolymer composition that can avoid the use and incorporation of aromatic hydrocarbon-based solvents is provided. The manufacturing method is generally easy on an industrial production scale. The manufacturing method includes a step of obtaining a polyether polysiloxane block copolymer (A) by a specific reaction in the presence of a saturated hydrocarbon solvent (C) having an average number of carbon atoms in a range of 6 to 11, and a step of replacing the solvent (C) used in the reaction with (B) a (poly)glycol or a polyglycol derivative diluent, either during or after the aforementioned step. Also provided is a method of manufacturing a foam stabilizer or the like using the composition obtained by the aforementioned manufacturing method.

A reaction composition contains (a) an allyl polyether having the following formula: CH.sub.2=CHCH.sub.2O-A.sub.a-B where, (i) subscript a is 2 to 170; (ii) A is selected from: —CH.sub.2CH.sub.2O—; —CH.sub.2CH(CH.sub.3)O—; —CH(CH.sub.3)CH.sub.2O—, CH.sub.2CH(CH.sub.2CH.sub.3)O—; —CH(CH.sub.2CH.sub.3)CH.sub.2O, —CH.sub.2CF(CF.sub.3)O—, —CF(CF.sub.3)CF.sub.2O— and —CF.sub.2CF(CF.sub.3)O—; and (iii) B is selected from —H, —CH.sub.3, —CH.sub.2CH.sub.3, —CH.sub.2CH.sub.2CH.sub.3, —CH.sub.2CH.sub.2CH.sub.2CH.sub.3, —C(O)CH.sub.3, and —CF.sub.2CF.sub.2CF.sub.3; (b) A silyl hydride functional siloxanc comprising the following siloxane units [R.sub.2HSiO.sub.1/2].sub.m[R.sub.2SiO.sub.2/2].sub.d[R.sub.2SiO.sub.3/2].sub.t[SiO4/2].sub.q wherein d+t+q is one or more and wherein: (i) R is selected from hydrocarbyl groups liaing from one to 8 carbon atoms; (ii) subscript m is 2 or more; (iii) subscript d is zero to 20; (iv) subscript t is zero to 2; (v) subscript q is zero to 2; and (c) a platinum-based hydrosilylation catalyst; where there are at least 4 molar equivalents of silyl hydride functionalities relative to allyl functionalities in the reaction composition.

A reaction composition contains (a) an allyl polyether having the following formula: CH.sub.2=CHCH.sub.2O-A.sub.a-B where, (i) subscript a is 2 to 170; (ii) A is selected from: —CH.sub.2CH.sub.2O—; —CH.sub.2CH(CH.sub.3)O—; —CH(CH.sub.3)CH.sub.2O—, CH.sub.2CH(CH.sub.2CH.sub.3)O—; —CH(CH.sub.2CH.sub.3)CH.sub.2O, —CH.sub.2CF(CF.sub.3)O—, —CF(CF.sub.3)CF.sub.2O— and —CF.sub.2CF(CF.sub.3)O—; and (iii) B is selected from —H, —CH.sub.3, —CH.sub.2CH.sub.3, —CH.sub.2CH.sub.2CH.sub.3, —CH.sub.2CH.sub.2CH.sub.2CH.sub.3, —C(O)CH.sub.3, and —CF.sub.2CF.sub.2CF.sub.3; (b) A silyl hydride functional siloxanc comprising the following siloxane units [R.sub.2HSiO.sub.1/2].sub.m[R.sub.2SiO.sub.2/2].sub.d[R.sub.2SiO.sub.3/2].sub.t[SiO4/2].sub.q wherein d+t+q is one or more and wherein: (i) R is selected from hydrocarbyl groups liaing from one to 8 carbon atoms; (ii) subscript m is 2 or more; (iii) subscript d is zero to 20; (iv) subscript t is zero to 2; (v) subscript q is zero to 2; and (c) a platinum-based hydrosilylation catalyst; where there are at least 4 molar equivalents of silyl hydride functionalities relative to allyl functionalities in the reaction composition.

Disclosed is an ABS-based resin composition, a method of preparing the same, and a molded article including the same, including an ABS-based resin composition including 100 parts by weight of a base resin including 20 to 40% by weight of a vinyl cyanide compound-conjugated diene compound-aromatic vinyl compound graft copolymer and 60 to 80% by weight of an aromatic vinyl compound-vinyl cyanide compound copolymer; and 0.1 to 5 parts by weight of a polyether-modified polysiloxane, a method of preparing the ABS-based resin composition, and a molded article including the ABS-based resin composition.

Disclosed is an ABS-based resin composition, a method of preparing the same, and a molded article including the same, including an ABS-based resin composition including 100 parts by weight of a base resin including 20 to 40% by weight of a vinyl cyanide compound-conjugated diene compound-aromatic vinyl compound graft copolymer and 60 to 80% by weight of an aromatic vinyl compound-vinyl cyanide compound copolymer; and 0.1 to 5 parts by weight of a polyether-modified polysiloxane, a method of preparing the ABS-based resin composition, and a molded article including the ABS-based resin composition.

A composition includes particular amounts of a poly(phenylene ether), a poly(phenylene ether-siloxane), or a combination thereof; a polyamide composition, wherein the polyamide composition includes at least one polyamide having an amine end group content of less than 75 milliequivalents per gram; and at least one of a polystyrene-poly(ethylene-propylene) diblock copolymer impact modifier, or a polystyrene-poly(ethylene-butylene)-polystyrene triblock copolymer impact modifier, or a combination thereof, or an ethylene-propylene-diene monomer-modified polyamide, or a polyamide having an amine end group content of 75 to 140 milliequivalents per gram, as a part of the polyamide composition, or a combination thereof. The composition can be particularly useful for forming various articles.

A composition includes particular amounts of a poly(phenylene ether), a poly(phenylene ether-siloxane), or a combination thereof; a polyamide composition, wherein the polyamide composition includes at least one polyamide having an amine end group content of less than 75 milliequivalents per gram; and at least one of a polystyrene-poly(ethylene-propylene) diblock copolymer impact modifier, or a polystyrene-poly(ethylene-butylene)-polystyrene triblock copolymer impact modifier, or a combination thereof, or an ethylene-propylene-diene monomer-modified polyamide, or a polyamide having an amine end group content of 75 to 140 milliequivalents per gram, as a part of the polyamide composition, or a combination thereof. The composition can be particularly useful for forming various articles.

A hydrophilic silicone particle containing a surfactant fixed by a chemical bond formed by radical polymerization to a surface of a silicone particle having a volume average particle size of 0.1 to 100 μm and a method for producing the hydrophilic silicone particle, the method including fixing a hydrophilic group derived from a component (B) to a surface of a silicone particle by subjecting an emulsion to radical polymerization, the emulsion containing: (A) 100 parts by mass of an organopolysiloxane having a radical polymerization reactive group; (B) 0.5 to 50 parts by mass of a surfactant having a radical polymerization reactive group; (C) 0.1 to 5 parts by mass of a radical generator; and (D) 10 to 1000 parts by mass of water. A silicone particle may be readily dispersed in an aqueous material without the additional use of a dispersant (typically, a surfactant) and has a hydrophilic group.

A hydrophilic silicone particle containing a surfactant fixed by a chemical bond formed by radical polymerization to a surface of a silicone particle having a volume average particle size of 0.1 to 100 μm and a method for producing the hydrophilic silicone particle, the method including fixing a hydrophilic group derived from a component (B) to a surface of a silicone particle by subjecting an emulsion to radical polymerization, the emulsion containing: (A) 100 parts by mass of an organopolysiloxane having a radical polymerization reactive group; (B) 0.5 to 50 parts by mass of a surfactant having a radical polymerization reactive group; (C) 0.1 to 5 parts by mass of a radical generator; and (D) 10 to 1000 parts by mass of water. A silicone particle may be readily dispersed in an aqueous material without the additional use of a dispersant (typically, a surfactant) and has a hydrophilic group.