Provided herein is a polymer composition comprising a polyhydroxyamino ether (e.g., a crosslinked polyhydroxyamino ether) and printed circuit boards comprising the same.

A polyphenylene sulfide resin composition including (a) 25% to 75% by weight of a base resin; (b) 0.1% to 10% by weight of a laser direct structuring (LDS) additive; (c) 0.1% to 5% by weight of a plating seed generation promoter; (d) 10% to 60% by weight of a glass fiber; and (e) 0% to 40% by weight of a mineral filler, based on a total weight of the polyphenylene sulfide resin composition. The base resin includes 95% by weight or more of a polyphenylene sulfide resin based on a total weight of the base resin. A method of preparing the polyphenylene sulfide resin composition, and an injection-molded article manufactured using the polyphenylene sulfide resin composition.

A polyphenylene sulfide resin composition including (a) 25% to 75% by weight of a base resin; (b) 0.1% to 10% by weight of a laser direct structuring (LDS) additive; (c) 0.1% to 5% by weight of a plating seed generation promoter; (d) 10% to 60% by weight of a glass fiber; and (e) 0% to 40% by weight of a mineral filler, based on a total weight of the polyphenylene sulfide resin composition. The base resin includes 95% by weight or more of a polyphenylene sulfide resin based on a total weight of the base resin. A method of preparing the polyphenylene sulfide resin composition, and an injection-molded article manufactured using the polyphenylene sulfide resin composition.

A curable composition comprises (a) a mercapto-functional siloxane; (b) a siloxane comprising unsaturated functional groups; (c) a photoinitiator; and (d) an antioxidant compound. In one embodiment, the antioxidant is chosen from a hindered phenolic compound. The curable compositions can be utilized to form a cured article, which may be useful in a variety of applications including, but not limited to, optical applications. The cured articles from the cured compositions may exhibit good physical properties including, for example, high refractive index. The articles may also exhibit good thermal stability.

A curable composition comprises (a) a mercapto-functional siloxane; (b) a siloxane comprising unsaturated functional groups; (c) a photoinitiator; and (d) an antioxidant compound. In one embodiment, the antioxidant is chosen from a hindered phenolic compound. The curable compositions can be utilized to form a cured article, which may be useful in a variety of applications including, but not limited to, optical applications. The cured articles from the cured compositions may exhibit good physical properties including, for example, high refractive index. The articles may also exhibit good thermal stability.

Adhesives comprising: a) 35-85 weight percent of a pressure sensitive adhesive comprising: i) a polymer selected from rubbers and polyacrylate polymers and ii) optionally one or more tackifiers; and dispersed therein b) 15-50 weight percent fire retardant (FR) particles comprising one or more phosphorus-containing compounds selected from organophosphine oxides and organophosphi-nates. In some embodiments, the phosphorus-containing compounds comprise 35-65 weight percent of an organophosphine oxide and 65-35 weight percent of an organophosphinate. The FR particles may have a D50 particle size of 1-120 micrometers, 40-120 micrometers, or 70-120 micrometers. Adhesive films comprising the adhesives described herein may be free-standing adhesive films or adhesive layers comprised in tapes.

Adhesives comprising: a) 35-85 weight percent of a pressure sensitive adhesive comprising: i) a polymer selected from rubbers and polyacrylate polymers and ii) optionally one or more tackifiers; and dispersed therein b) 15-50 weight percent fire retardant (FR) particles comprising one or more phosphorus-containing compounds selected from organophosphine oxides and organophosphi-nates. In some embodiments, the phosphorus-containing compounds comprise 35-65 weight percent of an organophosphine oxide and 65-35 weight percent of an organophosphinate. The FR particles may have a D50 particle size of 1-120 micrometers, 40-120 micrometers, or 70-120 micrometers. Adhesive films comprising the adhesives described herein may be free-standing adhesive films or adhesive layers comprised in tapes.

Provided is a molded article in which the formation of depressions in a vapor deposited aluminum surface of the molded article caused by long-term exposure to high-temperature conditions is suppressed such that the vapor deposited aluminum surface has excellent external appearance that has not conventionally been achieved. A light reflective part includes a polyphenylene ether resin composition containing a polyphenylene ether (A) and at least one compound (B) selected from the group consisting of: an organophosphorus compound having a chemical structure in formula (I) or (II), shown below, in molecules thereof; phosphonic acids, phosphonic acid esters, phosphinic acids, and phosphinic acid esters other than the organophosphorus compound; monocarboxylic acids; sulfonic acids; and sulfinic acids. The (A) component has a content of from 95 mass % to 99.95 mass % and the (B) component has a content of from 0.05 mass % to 5 mass % relative to 100 mass %, in total, of the (A) component and the (B) component. ##STR00001##

A 3D printable resin is provided. The 3D printable resin includes a polystyrene and at least one of a solubilizing crosslinker or a solubilizing polymer. Alternatively, a ring-opened polyester copolymer is provided. The ring-opened polyester copolymer is a product of a reaction between a cyclohexene anhydride and a glycidol allyl ether. In addition, A polyester resin is provided. The polyester resin includes a product of a reaction between a cyclohexene anhydride and a glycidol allyl ether, a 4-arm thiol, and a photoinitiator.

A 3D printable resin is provided. The 3D printable resin includes a polystyrene and at least one of a solubilizing crosslinker or a solubilizing polymer. Alternatively, a ring-opened polyester copolymer is provided. The ring-opened polyester copolymer is a product of a reaction between a cyclohexene anhydride and a glycidol allyl ether. In addition, A polyester resin is provided. The polyester resin includes a product of a reaction between a cyclohexene anhydride and a glycidol allyl ether, a 4-arm thiol, and a photoinitiator.