C08K5/524

FLAME RETARDANT COMPOSITION FOR FOAMED STYRENE RESIN, FLAME-RETARDANT FOAMED-STYRENE-BASED RESIN COMPOSITION, AND EXTRUDED FOAM MOLDED PRODUCT THEREOF
20230089518 · 2023-03-23 · ·

Provided are a flame retardant composition for expandable styrene resin with which an extrusion-foamed molded article having excellent flame retardancy and excellent heat resistance can be produced; a styrene-based resin composition; and an extrusion-foamed molded article of the styrene-based resin composition. The flame retardant composition for expandable styrene resin of the present invention comprises at least B1) tetrabromobisphenol A-bis(2,3-dibromo-2-methylpropyl ether), (C) a zinc-modified hydrotalcite, and (D) a phosphoric acid ester-based compound, the component (B1) being contained in an amount of 10 to 98 mass % based on the total amount of the component (B1) and the component (D).

FLAME RETARDANT COMPOSITION FOR FOAMED STYRENE RESIN, FLAME-RETARDANT FOAMED-STYRENE-BASED RESIN COMPOSITION, AND EXTRUDED FOAM MOLDED PRODUCT THEREOF
20230089518 · 2023-03-23 · ·

Provided are a flame retardant composition for expandable styrene resin with which an extrusion-foamed molded article having excellent flame retardancy and excellent heat resistance can be produced; a styrene-based resin composition; and an extrusion-foamed molded article of the styrene-based resin composition. The flame retardant composition for expandable styrene resin of the present invention comprises at least B1) tetrabromobisphenol A-bis(2,3-dibromo-2-methylpropyl ether), (C) a zinc-modified hydrotalcite, and (D) a phosphoric acid ester-based compound, the component (B1) being contained in an amount of 10 to 98 mass % based on the total amount of the component (B1) and the component (D).

Thermoplastic Resin Composition and Molded Product Using Same
20220340749 · 2022-10-27 ·

The present invention relates to a thermoplastic resin composition, and to a molded article using the same, wherein the thermoplastic resin composition includes: 100 parts by weight of a base resin including (A) 30 to 50 wt % of a polycarbonate resin, (B) 20 to 30 wt % of a rubber-modified aromatic vinyl-based graft copolymer, and (C) 20 to 50 wt % of an aromatic vinyl-vinyl cyanide copolymer; and (D) 5 to 15 parts by weight of an inorganic filler having an average particle diameter (D50) of 3 to 6 μm; and (E) 0.2 to 0.5 parts by weight of a compound represented by Chemical Formula 1.

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Thermoplastic Resin Composition and Molded Product Using Same
20220340749 · 2022-10-27 ·

The present invention relates to a thermoplastic resin composition, and to a molded article using the same, wherein the thermoplastic resin composition includes: 100 parts by weight of a base resin including (A) 30 to 50 wt % of a polycarbonate resin, (B) 20 to 30 wt % of a rubber-modified aromatic vinyl-based graft copolymer, and (C) 20 to 50 wt % of an aromatic vinyl-vinyl cyanide copolymer; and (D) 5 to 15 parts by weight of an inorganic filler having an average particle diameter (D50) of 3 to 6 μm; and (E) 0.2 to 0.5 parts by weight of a compound represented by Chemical Formula 1.

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METHOD FOR PRODUCING FLAMEPROOF PUR/PIR RIGID FOAMS
20220332881 · 2022-10-20 ·

A polyol formulation for producing flameproof polyurethane/polyisocyanate rigid foams (referred to individually or jointly in the following as “PUR/PIR rigid foams”), containing a polyester polyol having an OH number ≤250 mg KOH/g, a functionality of 1.5 to 2.5 and a free glycol content with Mn<150 g/mol of <6 wt. %, a polyethylene glycol with an average molecular weight of <700 g/mol and an average functionality of <2.5 and specific polyethyleneglycol alkylphenyl ethers, and methods for producing PUR/PIR rigid foams using said polyol formulation and to the PUR/PIR rigid foams obtained thereby are provided.

METHOD FOR PRODUCING FLAMEPROOF PUR/PIR RIGID FOAMS
20220332881 · 2022-10-20 ·

A polyol formulation for producing flameproof polyurethane/polyisocyanate rigid foams (referred to individually or jointly in the following as “PUR/PIR rigid foams”), containing a polyester polyol having an OH number ≤250 mg KOH/g, a functionality of 1.5 to 2.5 and a free glycol content with Mn<150 g/mol of <6 wt. %, a polyethylene glycol with an average molecular weight of <700 g/mol and an average functionality of <2.5 and specific polyethyleneglycol alkylphenyl ethers, and methods for producing PUR/PIR rigid foams using said polyol formulation and to the PUR/PIR rigid foams obtained thereby are provided.

METHOD FOR PRODUCING FLAMEPROOF PUR/PIR RIGID FOAMS
20220332881 · 2022-10-20 ·

A polyol formulation for producing flameproof polyurethane/polyisocyanate rigid foams (referred to individually or jointly in the following as “PUR/PIR rigid foams”), containing a polyester polyol having an OH number ≤250 mg KOH/g, a functionality of 1.5 to 2.5 and a free glycol content with Mn<150 g/mol of <6 wt. %, a polyethylene glycol with an average molecular weight of <700 g/mol and an average functionality of <2.5 and specific polyethyleneglycol alkylphenyl ethers, and methods for producing PUR/PIR rigid foams using said polyol formulation and to the PUR/PIR rigid foams obtained thereby are provided.

Hygiene adhesives comprising low volatile tackifier compositions

A tackifier composition comprising at least one thermoplastic hydrocarbon resin and an antioxidant composition is provided; wherein a portion of the volatile organic compounds in the thermoplastic hydrocarbon resin has been removed; wherein the antioxidant composition comprises at least one primary antioxidant and at least one secondary antioxidant; and wherein the levels of individual volatile organic compound monitored in the tackifier composition are less than about 0.5 ppm as measured by GC/MS headspace analysis. Processes for producing the tackifier composition are also provided as well as adhesives comprising the tackifier compositions.

Hygiene adhesives comprising low volatile tackifier compositions

A tackifier composition comprising at least one thermoplastic hydrocarbon resin and an antioxidant composition is provided; wherein a portion of the volatile organic compounds in the thermoplastic hydrocarbon resin has been removed; wherein the antioxidant composition comprises at least one primary antioxidant and at least one secondary antioxidant; and wherein the levels of individual volatile organic compound monitored in the tackifier composition are less than about 0.5 ppm as measured by GC/MS headspace analysis. Processes for producing the tackifier composition are also provided as well as adhesives comprising the tackifier compositions.

Thermochromic polymer composition, electrical device, and corresponding use and processes

A thermochromic polymer composition including a base polymer material; a temperature sensitive material, which changes a color of the thermochromic polymer composition in response to a temperature change; and a stabilizer, which enhances stability performance of the thermochromic polymer composition. The thermochromic polymer composition which has a good thermochromic performance and good thermal performance and thus could provide a visible indication of the overheat condition. An electrical device is formed from the thermochromic polymer composition. A further embodiment of the process for preparing the thermochromic polymer composition and forming the electrical device.