C08K5/49

Recycled and renewable polymeric composition for computer chassis
11505697 · 2022-11-22 · ·

Polymeric compositions, methods of making the compositions, and composites, such as computer chassis containing the compositions are described. The polymeric compositions can contain 20 wt. % to 50 wt. % of a post-consumer mechanical recycled polycarbonate; 10 wt. % to 50 wt. % of a renewably sourced polycarbonate; 10 wt. % to 30 wt. % of a filler containing carbon fibers, wherein at least a portion of the carbon fibers are obtained from a post-industrial recycled source; and 5 wt. % to 15 wt. % of a flame retardant, wherein the polymeric compositions have a total recycled and renewable content of 50 wt. % to 90 wt. %.

ADDITIVE COMPOSITION AND USE THEREOF, CONDENSATION POLYMER COMPOSITION, MOLDING COMPOUND AND MOLDING COMPOUNDS PRODUCED THEREFROM, AND MOLDED PARTS AND USE THEREOF

The invention relates to an additive composition with inorganic sulfites, organic derivatives of sulfurous acid and/or thiosulfates, and organic phosphorus compounds, said composition being capable of accelerating the hydrolytic decomposition of a thermoplastic condensation polymer upon working said additive composition into the condensation polymer. The invention additionally relates to a condensation polymer composition which is additivized with an additive composition according to the invention. The invention additionally relates to a method for the hydrolytic decomposition of a thermoplastic condensation polymer and to uses of the additive composition according to the invention and the thermoplastic condensation polymer composition.

Flame Retardant Polyamide Composition
20220363898 · 2022-11-17 ·

A polyamide composition comprising a polyamide; a plurality of inorganic fibers; and a flame retardant system comprising a zinc phosphinate and a nitrogen-containing polyphosphate is provided. At thicknesses of from about 0.4 to about 3.2 millimeters, the composition exhibits a Glow Wire Ignition Temperature of about 775° C. or more as determined in accordance with IEC-60695-2-13:2010; a Glow Wire End Product Temperature (without flame) of about 750° C. or more as determined in accordance with IEC-60335-1:2010; a Glow Wire Flammability Index of about 850° C. or more as determined in accordance with IEC-60695-2-12:2010; a V0 rating as determined in accordance with UL94; and/or a comparative tracking index of about 550 volts or more as determined in accordance with IEC 60112:2003.

Soil and dirt repellent powder coatings

A method of forming a dirt repellant panel coated with a powder coating composition that includes a polymeric binder and an anionic fluorosurfactant present in an amount ranging from about 0.1 wt. % to about 4 wt. %.

Fire retardant thermoplastic resin composition and electric wire comprising the same

Disclosed are a fire retardant thermoplastic resin composition suitable for preparing an electric wire, etc. by enhancing extrudability of a resin composition without hindering fire retardancy of the resin composition, and an electric wire comprising the same. The fire retardant thermoplastic resin composition comprises a matrix resin that comprises 20 to 35% by weight of a poly arylene ether resin, 20 to 35% by weight of a vinyl aromatic resin and 5 to 20% by weight of an olefin-based resin comprising a rubber ingredient, 1 to 10% by weight of a room-temperature liquid-type fire retardant, and 8 to 20% by weight of an ancillary fire retardant, based on 100% by weight of a mixture of a poly arylene ether resin, a vinyl aromatic resin, an olefin-based resin, a room-temperature liquid-type fire retardant and an ancillary fire retardant.

Fire retardant thermoplastic resin composition and electric wire comprising the same

Disclosed are a fire retardant thermoplastic resin composition suitable for preparing an electric wire, etc. by enhancing extrudability of a resin composition without hindering fire retardancy of the resin composition, and an electric wire comprising the same. The fire retardant thermoplastic resin composition comprises a matrix resin that comprises 20 to 35% by weight of a poly arylene ether resin, 20 to 35% by weight of a vinyl aromatic resin and 5 to 20% by weight of an olefin-based resin comprising a rubber ingredient, 1 to 10% by weight of a room-temperature liquid-type fire retardant, and 8 to 20% by weight of an ancillary fire retardant, based on 100% by weight of a mixture of a poly arylene ether resin, a vinyl aromatic resin, an olefin-based resin, a room-temperature liquid-type fire retardant and an ancillary fire retardant.

Fire retardant thermoplastic resin composition and electric wire comprising the same

Disclosed are a fire retardant thermoplastic resin composition suitable for preparing an electric wire, etc. by enhancing extrudability of a resin composition without hindering fire retardancy of the resin composition, and an electric wire comprising the same. The fire retardant thermoplastic resin composition comprises a matrix resin that comprises 20 to 35% by weight of a poly arylene ether resin, 20 to 35% by weight of a vinyl aromatic resin and 5 to 20% by weight of an olefin-based resin comprising a rubber ingredient, 1 to 10% by weight of a room-temperature liquid-type fire retardant, and 8 to 20% by weight of an ancillary fire retardant, based on 100% by weight of a mixture of a poly arylene ether resin, a vinyl aromatic resin, an olefin-based resin, a room-temperature liquid-type fire retardant and an ancillary fire retardant.

REINFORCED FLAME RETARDANT POLYCARBONATE COMPOSITION AND MOLDED ARTICLE COMPRISING SAME

A polymer composition includes: about 20 wt % to about 80 wt % of a polycarbonate polymer; about 1 wt % to about 20 wt % of a polycarbonate-siloxane copolymer; about 15 wt % to about 35 wt % of a reinforcing filler having a tensile modulus of at least about 150 GPa; and about 4 wt % to about 20 wt % of a flame retardant comprising phosphorous. The polymer composition demonstrates a flexural modulus in an amount equal to or greater than about 10 GPa. Methods of forming a polymer composition and blended thermoplastic compositions are also described.

REINFORCED FLAME RETARDANT POLYCARBONATE COMPOSITION AND MOLDED ARTICLE COMPRISING SAME

A polymer composition includes: about 20 wt % to about 80 wt % of a polycarbonate polymer; about 1 wt % to about 20 wt % of a polycarbonate-siloxane copolymer; about 15 wt % to about 35 wt % of a reinforcing filler having a tensile modulus of at least about 150 GPa; and about 4 wt % to about 20 wt % of a flame retardant comprising phosphorous. The polymer composition demonstrates a flexural modulus in an amount equal to or greater than about 10 GPa. Methods of forming a polymer composition and blended thermoplastic compositions are also described.

THERMOSETTING RESIN COMPOSITION, PREPREG CONTAINING SAME, METAL FOIL-CLAD LAMINATE AND PRINTED CIRCUIT BOARD
20220056225 · 2022-02-24 ·

The thermosetting resin composition, a prepreg containing same, a metal foil-clad laminate and a printed circuit board; the resin composition comprises the following components: a combination of a bismaleimide resin and a benzoxazine resin or a prepolymer of a bismaleimide resin and a benzoxazine resin, an epoxy resin and an active ester. A metal foil-clad laminate prepared by using the resin composition provided by the present invention has a high glass transition temperature, a low thermal expansion coefficient, a high high-temperature modulus, a high peel strength, a low dielectric constant, a low dielectric loss factor, as well as good heat resistance and good processability.