Abstract: A flame retardant composition comprising: a polycarbonate; a branched polycarbonate comprising bisphenol carbonate units, 0.01 to 1.0 mol % of a repeating unit derived from a monomer having a pendant ester group, or a combination thereof, and repeating units derived from a branching agent based on the total moles of the composition; a linear polycarbonate comprising bisphenol carbonate units and 0.01 to 1.0 mol % of a repeating unit derived from a monomer having a pendant ester group based on the total moles of the composition; a flame retardant comprising an alkyl sulfonate, an aromatic sulfonate, an aromatic sulfone sulfonate, an aromatic organophosphorus compound, or a combination thereof, and optionally a cyclic siloxane; optionally, an additive composition; and optionally, a filler.

Abstract: Various embodiments disclosed relate to a composition. The present invention includes a polycarbonate component and a carbon fiber component including an activated surface. An interface can be formed between the polycarbonate component and the carbon fiber component.

Abstract: Disclosed is a quantum dot composition comprising: a polycarbonate resin, a polycarbonate copolymer resin, or a combination thereof; a quantum dot concentrate including a plurality of nanoparticle quantum dots and an acrylic polymer, a methacrylic polymer, or a combination thereof; and a compatibilizer for promoting dispersion of the nanoparticle quantum dots in the quantum dot composition. The compatibilizer includes a transesterification catalyst, a physical compatibilizer, a plurality of semiconductor nanopartides passivated with a metal oxide, or a combination thereof. Further disclosed is a method for making a quantum dot composition, the method including: forming a quantum dot concentrate by combining a plurality of nanoparticle quantum dots with an acrylic polymer, a methacrylic polymer or a combination thereof; and combining the quantum dot concentrate with a compatibilizer and a polycarbonate resin, a polycarbonate copolymer resin, or a combination thereof.

Abstract: The method for producing a unidirectional carbon fiber tape, the method comprising: passing a first portion of a strand of fiber through an oven to carbonize the first portion, thereby converting carbon fiber precursor fiber of the first portion to carbon fiber, wherein the first portion comprises carbon fiber precursor fiber; and impregnating the carbon fiber of the first portion with thermoplastic matrix material to form impregnated fiber, while a second portion of the strand of fiber that is upstream of the first portion is passing through the oven to convert carbon fiber precursor fiber of the second portion to additional carbon fiber.

Abstract: Various embodiments disclosed relate to an aqueous dispersion. The aqueous dispersion includes a plurality of particles. Each of the particles includes a polycarbonate component. Individual particles of the polycarbonate component have substantially the same size. The dispersion further includes a plasticizer component and a surfactant component. In an embodiment, a sized carbon fiber tow can comprise: a polycarbonate sizing on a carbon fiber tow, wherein the polycarbonate sizing has a concentration of volatile organic compounds less than 10 ppm, preferably less than 5 ppm, or less than 2 ppm; and an average sizing content of at least 0.5 wt % of the carbon fiber tow with a coefficient of variation less than 15%, preferably less than 11%.

Abstract: Various embodiments disclosed relate to a composition. The present invention includes a polycarbonate component and a carbon fiber component including an activated surface. An interface can be formed between the polycarbonate component and the carbon fiber component.

Abstract: In an embodiment, a fiber reinforced composite can comprise a dynamically crosslinked polymer network comprising a polyester matrix and a plurality of crosslinks; a transesterification catalyst; and a fabric layer. A method of making the composite can comprise coating the fabric layer with a composition comprising a pre-crosslinked polymer composition to form a coated fabric; and melt impregnating the coated fabric with the pre-crosslinked polymer composition to form a pre-impregnated composite; and curing the pre-crosslinked polymer composition to form the dynamically crosslinked polymer network.

Abstract: A system comprises one or more print heads (18,20,22) configured to selectively print droplets (34,36,38) of one or more polycarbonate precursor solutions comprising one or more polycarbonate precursor compounds onto one or more target locations on a substrate to form one or more reactive mixture droplets at each target location, and an environmental system configured to expose the reactive mixture droplets to reaction conditions that polymerize the one or more polycarbonate precursor compounds to form a polycarbonate. A method comprises printing droplets of one or more polycarbonate precursor solutions comprising one or more polycarbonate precursor compounds onto one or more target locations on a substrate to form a reactive mixture droplet at each target location, and exposing the reactive mixture droplets to reaction conditions to polymerize the one or more polycarbonate precursor compounds to form a polycarbonate.

Abstract: A medical article having neutralized sulfonic acid groups on its surface, is disclosed. The article has reduced interaction with biological fluids such as insulin, human growth hormone and human serum albumin.

Abstract: Disclosed herein are monomers that exhibit reduced estradiol related receptor binding activity, and methods for identifying monomers that exhibit reduced estradiol related receptor binding activity. Methods for preparing a polymeric composition using such monomers are also disclosed. This abstract is intended as a scanning tool for purposes of searching in the particular art and is not intended to be limiting of the present disclosure.

Abstract: The present disclosure relates to a nitrogen containing thermoplastic polymer composition having reduced combustion toxicity. The disclosed thermoplastic composition comprises at least one polyetherimide resin, and at least one combustion toxicant suppressant. Also disclosed is a method for making the disclosed thermoplastic polymer composition and an article of manufacture comprising the disclosed polymer composition.

Abstract: Disclosed herein are phenylindane dicarboxylic acid (PIDA) monomers, polymer compositions comprising the PIDA monomers, and methods of preparing PIDA monomers. This abstract is intended as a scanning tool for purposes of searching in the particular art and is not intended to be limiting of the present disclosure.

Abstract: Disclosed herein are phenylindane dicarboxylic acid (PIDA) monomers, polymer compositions comprising the PIDA monomers, and methods of preparing PIDA monomers. This abstract is intended as a scanning tool for purposes of searching in the particular art and is not intended to be limiting of the present disclosure.

Abstract: Disclosed herein are monomers that exhibit reduced estradiol related receptor binding activity, and methods for identifying monomers that exhibit reduced estradiol related receptor binding activity. This abstract is intended as a scanning tool for purposes of searching in the particular art and is not intended to be limiting of the present disclosure.

Abstract: Disclosed herein are alkoxy polycarbonates, ortho alkoxy bisphenol monomers, polymer compositions comprising ortho alkoxy bisphenol monomers, methods of preparing the ortho alkoxy bisphenol monomers, polymer compositions and articles made thereof. This abstract is intended as a scanning tool for purposes of searching in the particular art and is not intended to be limiting of the present disclosure.

Abstract: Disclosed herein are methods and compositions of thermoplastic compositions with antimicrobial properties. The resulting compositions, comprising one or more thermoplastic polymers, a zinc additive component, and an acid stabilizer component, can be used in the manufacture of articles requiring antimicrobial protection while still retaining the advantageous physical properties of thermoplastic compositions. This abstract is intended as a scanning tool for purposes of searching in the particular art and is not intended to be limiting of the present invention.

Abstract: In one aspect, the invention relates to relates to copolymer compositions comprising domains of polycarbonate and polyacrylate, and to methods of preparing the copolymers, wherein the method comprises reacting a polycarbonate macroinitator with a vinyl monomer by atom transfer radical polymerization. This abstract is intended as a scanning tool for purposes of searching in the particular art and is not intended to be limiting of the present invention.

Abstract: Disclosed herein is are thermoplastic compositions comprising a blend of a homopolycarbonate comprising units derived from an aromatic dihydroxy compound and a copolymer comprising isosorbide units and siloxane units. The copolymer comprising isosorbide units and siloxane units can further comprise non-isosorbide aliphatic units derived from a C14-44 aliphatic diacid, a C14-44 aliphatic diol or combination of these, aromatic units, aliphatic units derived from an oligomer having a weight average molecular weight of 900 to 4000 or a combination of some or all of the foregoing additional units.

Abstract: The present invention provides methods for controlling the optical properties of a light transmissive article. The method includes identifying a target window in an Abbe diagram comprising reference polymeric materials. The method further includes selecting a first polymeric material from the reference polymeric materials and compounding the first polymeric material with a stable UV chromophore to provide a first polymer composition. The method further includes transforming the first polymer composition to provide the light transmissive article, wherein the light transmissive article has an Abbe number and a refractive index which falls within the target window. Light transmissive articles prepared using the above methods are also provided.

Abstract: In one aspect, the invention relates to relates to copolymer compositions comprising domains of polycarbonate and polyacrylate, and to methods of preparing the copolymers, wherein the method comprises reacting a polycarbonate macroinitator with a vinyl monomer by atom transfer radical polymerization. This abstract is intended as a scanning tool for purposes of searching in the particular art and is not intended to be limiting of the present invention.