Patent application number | Description | Published |
20080306294 | Silylated polycarbonate polymers, method of making, and articles - A silylated dihydroxy aromatic compound of the formula (1a); | 12-11-2008 |
20100124644 | X-RAY AND/OR METAL DETECTABLE ARTICLES AND METHOD OF MAKING THE SAME - An article and thermoplastic composition including polycarbonate, a polysiloxane-polycarbonate and an x-ray detectable or metal detectable agent having good magnetic permeability and/or electrical conductivity wherein the composition may be used in articles for food preparation. The thermoplastic compositions are useful in forming molds for manufacturing a food product, such as chocolate molds. | 05-20-2010 |
20100130700 | POLYESTERCARBONATE COPOLYMERS WITH HIGH SCRATCH RESISTANCE - Disclosed are polyestercarbonate copolymers comprising a carbonate unit of Formula (I), an ITR ester unit of Formula (V), and optionally a different carbonate unit of Formula (VI): | 05-27-2010 |
20100152344 | FLAME RETARDANT THERMOPLASTIC POLYCARBONATE COMPOSITIONS - Polycarbonate compositions are disclosed. The compositions comprise an optional polycarbonate polymer (A); a polycarbonate-polysiloxane copolymer (B); a phosphorous-containing flame retardant (C); and a reinforcing agent (D). The resulting compositions have an improved combination of properties, particularly Vicat softening temperature and high flame retardance in thin walls. | 06-17-2010 |
20100159211 | MULTILAYER FILMS FOR INSERT MOLD DECORATION, METHODS FOR MAKING THE SAME, AND ARTICLES MADE THEREFROM - A multilayer thermoplastic film having polycarbonate layers is disclosed, in which a first layer comprises a first polycarbonate that comprises repeat units derived from one or more of a monoaryl monomer (II) and/or (III), and a diaryl monomer (IV) as defined herein. A second layer, adjacent to the first layer and coextruded therewith, comprises another polycarbonate that is not the same as a polycarbonate in the first layer. The first layer provides improved properties, for example hardness, impact, and/or scratch resistance. | 06-24-2010 |
20100160575 | METHODS FOR THE MANUFACTURE OF POLYCARBONATE COMPOSITIONS, THE COMPOSITIONS FORMED THEREBY, AND ARTICLES THEREOF - A method of making a thermoplastic composition comprises melt blending a reaction mixture comprising a first polycarbonate comprising repeat units derived from monoaryl monomers (II) and (III) and a diaryl monomer (IV), wherein the sum of the mole percent of the repeat units derived from monomers (II) and (III) is greater than or equal to 30 mole percent, and the mole percent of the repeat units derived from monomer (IV) is 5 to 70 mole percent, each based on the total moles the repeat units derived from monomers (II), (III), and (IV), and the total weight of the repeat units derived from monomers (II), (III), and (IV) is greater than or equal to 90 wt. % of the first polycarbonate; and an additional polycarbonate, comprising 50 to 100 mole percent of repeat units derived from a bisphenol cyclohexane. | 06-24-2010 |
20100160594 | POLYCARBONATES, COMPOSITIONS MADE THEREFROM, METHODS OF MANUFACTURE THEREOF, AND ARTICLES THEREFROM - A melt polymerized polycarbonate comprising repeat units in the polycarbonate derived from the melt polymerization of monomers (II) and/or (III), monomer (IV), and optionally monomer (VIII), wherein monomers (II) and (III) are diaryl dihydroxy compounds, monomer (IV) is a sterically hindered dihydroxy compound, and monomer (VIII) is a non-sterically hindered dihydroxy diaryl compound; wherein the mole ratio of repeat units in the polycarbonate derived from monomers [(II)+(III)]:(IV):(VIII) is 15-70:1-85:0-50, the sum of the mole percent of repeat units in the polycarbonate derived from monomers [(II)+(III)]+(IV) is greater than or equal to 50 mole %, and the sum of the mole percent of units in the polycarbonate derived from monomers [(II)+(III)]+(IV) +(VIII) is 100 mole %; and wherein the polycarbonate has an L* value that is at least 1 L* unit value higher than the same polycarbonate in which monomer (IV) is replaced by bisphenol A. | 06-24-2010 |
20110160406 | BLENDS OF ISOSORBIDE-BASED COPOLYCARBONATE, METHOD OF MAKING, AND ARTICLES FORMED THEREFROM - 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 C | 06-30-2011 |
20120071606 | POLYCARBONATE GRAFT COPOLYMERS - Methods of forming polycarbonate graft copolymers are provided. In particular, a polycarbonate polymer or copolymer containing allyl groups provides the backbone for the graft copolymer, and pendant chains are attached to the copolymer through the allyl groups. The graft copolymers exhibit a combination of high transparency, good graft levels, good scratch resistance, and/or good anti-fog properties. | 03-22-2012 |
20130131241 | FLAME RETARDANT THERMOPLASTIC POLYCARBONATE COMPOSITIONS - A flame retardant thermoplastic composition has high flame retardance at low thicknesses, good flow properties, good impact strength, and good flexural modulus. The polymer composition includes a polycarbonate polymer, a flame retardant additive, talc, glass fibers, and an acid stabilizer in synergistic amounts. | 05-23-2013 |