Abstract: Polycarbonate blend compositions are disclosed. The compositions include at least one polycarbonate useful for high heat applications. The compositions can include one or more additional polymers. The compositions can include one or more additives. The compositions can be used to prepare articles of manufacture, and in particular, automotive bezels.

Abstract: Described herein are cold-sintered ceramic polymer composites and processes for making them from ceramic precursor materials and monomers and/or oligomers. The cold sintering process and wide variety of monomers permit the incorporation of diverse polymeric materials into the ceramic.

Abstract: Automotive articles include a polycarbonate-siloxane copolymer including: from about 49.5 wt % to about 97.95 wt % of at least one polycarbonate polymer; from about 2.0 wt % to about 49.5 wt % of at least one polycarbonate-siloxane copolymer; and from about 0.05 wt % to about 1.0 wt % of at least one release agent. The composition exhibits a melt volume flow rate of at least about 25 cm3/10 min, a ductile/brittle transition temperature of less than or equal to 10° C., and high gloss after metallization. Methods of forming an article include: forming a thermoplastic composition, and injection molding, extruding, rotational molding, blow molding or thermoforming the thermoplastic composition in a mold to form the article. Such compositions and methods may be used to form articles including, but not limited to, automotive bezels and reflectors.

Abstract: Thermoplastic housings include a polycarbonate-siloxane copolymer comprising: from about 49.5 wt % to about 97.95 wt % of at least one polycarbonate polymer; from about 2.0 wt % to about 49.5 wt % of at least one polycarbonate-siloxane copolymer; and from about 0.05 wt % to about 1.0 wt % of at least one release agent. The housing exhibits a melt volume flow rate of at least about 25 cm3/10 min, a ductile/brittle transition temperature of less than or equal to 10° C., and a substantial tensile yield strength retention improvement when exposed to sunscreen. Methods of forming a housing include: forming the thermoplastic composition; and injection molding, extruding, rotational molding, blow molding or thermoforming the thermoplastic composition in a mold to form the housing. Such compositions and methods may be used to form articles including, but not limited to housings for consumer devices.

Abstract: A thermoplastic composition comprises: a copolycarbonate comprising bisphenol A carbonate units and second carbonate units of the formula (I); and 2 to 40 ppm of an organosulfonic stabilizer of the formula (II); wherein the second carbonate units are present in an amount of 20 to 49 mol %, preferably 30 to 40 mol % based on the sum of the moles of the copolycarbonate and the bisphenol A homopolycarbonate, and optionally the copolycarbonate comprises less than 2 ppm by weight of each of an ion of lithium, sodium, potassium, calcium, magnesium, ammonium, chlorine, bromine, fluorine, nitrite, nitrate, phosphite, phosphate, sulfate, formate, acetate, citrate, oxalate, trimethylammonium, and triethylammonium, as measured by ion chromatography; and the thermoplastic composition has: a Vicat B120 of 160° C. or higher measured according to ISO 306; and a yellowness index of less than 12, measured according to ASTM D1925.

Abstract: A copolycarbonate lens formed from a polycarbonate composition comprising: a copolycarbonate comprising bisphenol A carbonate units and of phthalimide carbonate and optionally, a bisphenol A homopolycarbonate; wherein the second carbonate units are present in an amount of 18 to 35 mol % based on the sum of the moles of the copolycarbonate and the bisphenol A homopolycarbonate, the copolycarbonate comprises less than 2 ppm by weight of each of an ion of lithium, sodium, potassium, calcium, magnesium, ammonium, chlorine, bromine, fluorine, nitrite, nitrate, phosphite, phosphate, sulfate, formate, acetate, citrate, oxalate, trimethylammonium, and triethylammonium, as measured by ion chromatography, and the polycarbonate composition has a bisphenol A purity of at least 99.7% as determined by high performance liquid chromatography. The polycarbonate composition has: a Vicat B120 of 155° C. or higher; and an increase in yellowness index of less than 10 during 1000 hours of heat aging at 155° C.

Abstract: Thermoplastic compositions include a polycarbonate-siloxane copolymer comprising: from about 49.5 wt % to about 97.95 wt % of at least one polycarbonate polymer; from about 2.0 wt % to about 49.5 wt % of at least one polycarbonate-siloxane r copolymer; and from about 0.05 wt % to about 1.0 wt % of at least one release agent. The composition exhibits a melt volume flow rate of at least about 25 cm3/10 min, a ductile/brittle transition temperature of less than or equal to 10° C., and high gloss after metallization and/or a substantial tensile yield strength retention improvement when exposed to sunscreen. Methods of forming an article include: forming a mixture comprising the thermoplastic composition, and injection molding, extruding, rotational molding, blow molding or thermoforming the mixture in a mold to form the article. Such compositions and methods may be used to form articles including, but not limited to, automotive bezels and housings in consumer devices.

Abstract: A poly(carbonate-ester) copolymer including carbonate units of the formula (I); and ester units of the formula (II) wherein: T is a C2-20 alkylene, a C6-20 cycloalkylene, or a C6-20 arylene; and R1 and J are each independently a bisphenol A divalent group, or a phthalimidine divalent group or a third divalent group of the formula (III), (IV), (V), (VI) or (VII) wherein Xa is a C6-12 polycyclic aryl, C3-18 mono- or polycycloalkylene, C3-18 mono- or polycycloalkylidene, -(Q1)x-G-(Q2)y- group wherein Q1 and Q2 are each independently a C1-3 alkylene, G is a C3-10 cycloalkylene, x is 0 or 1, and y is 1, provided that the at least one bisphenol A divalent group, at least one phthalimidine divalent group, and at least one third divalent group are present in the poly(carbonate-ester) copolymer.

Abstract: A lens comprising a copolycarbonate comprising bisphenol A carbonate units and second carbonate units of the formula (I) and 2 to 40 ppm of an organosulfonic stabilizer of the formula (II), wherein the second carbonate units are present in an amount of 20 to 49 mol %, preferably 30 to 40 mol % based on the sum of the moles of the copolycarbonate and the bisphenol A homopolycarbonate; and the polycarbonate composition has: a Vicat B120 of 160° C. or higher measured according to ISO 306; and a yellowness index of less than 12, measured according to ASTM D1925.

Abstract: The disclosure concerns polycarbonate blends polycarbonate blend comprising (i) about 50 wt % to about 98 wt % of one or more polycarbonates produced by a melt polymerization process; (ii) about 2 wt % to about 50 wt % of a polycarbonate-polysiloxane copolymer with a siloxane content of 10 wt % to 40 wt % based on the total weight of the polycarbonate-polysiloxane, in an amount effective to provide a total siloxane content of 0.5 wt % to 10 wt % based on the total weight of the blend.

Abstract: A copolycarbonate comprises first repeating units, second repeating units different from the first repeating units, and third repeating units different from the first and second repeating units; and wherein the first repeating units are phthalimidine carbonate units, the second repeating units are carbonate units of the formula (I) wherein Rc and Rd are each independently a C1-12 alkyl, C2-12 alkenyl, C3-8 cycloalkyl, or C1-12 alkoxy, each R6 is independently C1-3 alkyl or phenyl; Xa is a C6-12 polycyclic aryl, C3-18 mono- or polycycloalkylene, C3-18 mono- or polycycloalkylidene, -(Q1)x-G-(Q2)y- group wherein Q1 and Q2 are each independently a C1-3 alkylene, G is a C3-10 cycloalkylene, x is 0 or 1, and y is 1; and m and n are each independently 0 to 4; and the third repeating units are carbonate units (II) wherein Re and Rf are each independently C1-12 alkyl, C2-12 alkenyl, C3-8 cycloalkyl, or C1-12 alkoxy, a and b are each independently integers of 0 to 4, and Xb is a single bond, —0—, —S—, —S(0)-, —S(0)2—,

Abstract: A melt-blend composition is formed from, based on the total weight of the melt-blend composition, 0 to 5 wt. % of an additive; and 95 to 100 wt. % of a polymer composition, wherein the polymer composition comprises, based on the total weight of the polymer composition, 5 to 95 wt. % of a first copolycarbonate consisting of bisphenol A carbonate units and first additional second copolycarbonate consisting of bisphenol A carbonate units and second additional carbonate units (phthalimidine carbonate units); and 0.001 to 0.1 wt. % of a transesterification catalyst, wherein the melt-blended composition has a haze of less than 15% and a transmission greater than 75%, each measured using the color space CIE1931 (Illuminant C and a 2° observer) at a 3.2 mm thickness.

Abstract: A microneedle includes a shaft having a proximal end and a distal end and a capillary space within the shaft, the capillary space (i) connecting the proximal and distal ends or (ii) extending from the distal end of the shaft and connecting with one or more external openings positioned between the proximal end and distal end or (iii) performing the functions of both (i) and (ii). The microneedle includes a polymer mixture which includes (a) optionally polycarbonate, (b) a polycarbonate-polysiloxane copolymer and (c) a mold release agent.

Abstract: Polycarbonate blend compositions are disclosed. The compositions include at least one polycarbonate useful for high heat applications. The compositions can include one or more additional polymers. The compositions can include one or more additives. The compositions can be used to prepare articles of manufacture, and in particular, automotive bezels.

Abstract: The present disclosure relates to articles formed from composition comprising a melt polycarbonate component and an interfacial polycarbonate component. The resulting articles exhibit mechanical properties improving upon articles formed from polycarbonate prepared according to conventional melt polymerization processes.

Abstract: The present disclosure relates to articles formed from composition comprising a melt polycarbonate component and an interfacial polycarbonate component. The resulting articles exhibit mechanical properties improving upon articles formed from polycarbonate prepared according to conventional melt polymerization processes.

Abstract: Interior railway components (seat components and claddings) comprise a thermoplastic composition comprising: a first polymer comprising bisphenol A carbonate units and monoaryl arylate units, or a second polymer comprising bisphenol A carbonate units, monoaryl arylate units, and siloxane units, or a combination comprising at least one of the foregoing; and a polyetherimide; wherein a sample of the thermoplastic composition has: a smoke density after 4 minutes (Ds-4) of ?150 measured in accordance with ISO 5659-2 on a 3 mm thick plaque, an integral of the smoke density as a function of time up to 4 minutes (VOF4)?300 measured in accordance with ISO 5659-2, a maximum average heat release (MAHRE) of ?300 90 kW/m2 measured in accordance with ISO 5660-1 on a 3 mm thick plaque, and a ductility in multiaxial impact of 80 to 100%, measured in accordance with ISO 6603.

Abstract: A low smoke density thermoplastic composition comprising, based on the total weight of the thermoplastic composition, 70 to 95 wt % of a polycarbonate copolymer comprising first repeating units and second repeating units, wherein the first repeating units are not the same as the second repeating units, and wherein the first repeating units are bisphenol carbonate units of the formula wherein Ra and Rb are each independently C1-12 alkyl, C1-12 alkenyl, C3-8 cycloalkyl, or C1-12 alkoxy, p and q are each independently 0 to 4, and Xa is a single bond, —O—, —S—, —S(O)—, —S(O)2—, —C(O)—, a C1-11 alkylidene of formula —C(Rc)(Rd)— wherein Rc and Rd are each independently hydrogen or C1-10 alkyl, or a group of the formula —C(?Re)— wherein Re is a divalent C1-10 hydrocarbon group; and the second repeating units comprise bisphenol carbonate units that are not the same as the first repeating bisphenol carbonate units, siloxane units, arylate ester units, or a combination of arylate ester units and siloxane units; and

Abstract: A thermoplastic composition comprising, based on the total weight of the thermoplastic composition, 5 to 30 wt. % of a poly(arylene ether-sulfone); and 50 to 95 wt. % of a polycarbonate component comprising a poly(carbonate-siloxane) and optionally a polycarbonate homopolymer; wherein a sample of the composition has a notched Izod impact value of greater than or equal to 30 kJ/m2; a tensile yield strength retention of 80% and higher after exposure of an ISO tensile bar for 24 hours to sunscreen under 0.5% strain compared to a non-exposed reference; and an elongation at break retention of 80% and higher after exposure of an ISO tensile bar for 24 hours to sunscreen under 0.5% strain compared to a non-exposed reference.

Abstract: The disclosure concerns compositions comprising: from about 40 wt. % to about 99.5 wt. % of a polymer base resin; N from 0 wt. % to about 60 wt. % of a reinforcing filler; from 0 wt. % to about 25 wt. % of a lubricant; and from about 0.05 wt. % to about 6 wt. % of a cross-linking agent; wherein the composition is treated to induce cross-linking, wherein the combined weight percent value of all components does not exceed 100 wt % and wherein the composition shows improved tensile fatigue versus a corresponding composition without the cross-linking agent.