An impact modified thermoplastic molding composition comprising aromatic polycarbonate and/or polyester carbonate and a rubber-modified graft polymer prepared by the bulk, solution or bulk-suspension polymerization process is disclosed. The composition that is characterized by its low content of lithium ions features improved hydrolytic resistance.

Polycarbonate molding compositions

Provided are a thermoplastic resin composition including a thermoplastic resin and an amorphous sheet-shaped metal particle having a ratio of thickness relative to long diameter of about 1:20 to about 1:1, and a molded product using the same.

Thermoplastic resin composition and molded product using the same

An optical nanocomposite material has a nanoparticulate filler dispersed in a host plastic material. According to the method of making the nanocomposite material, a predetermined temperature sensitive optical vector, such as refractive index, of the plastic host material and nanoparticulate filler are directionally opposed resulting in a nanocomposite material having significantly improved stability of the refractive index with respect to temperature.

Polysulfone nanocomposite optical plastic article and method of making same

Disclosed herein is a thermoplastic composition comprising, based on the total weight of the composition: (a) from 10 to 80 wt. % of a polybutylene terephthalate; (b) from 10 to 80 wt. % of a copolyestercarbonate component, comprising a first copolyestercarbonate having a number average molecular weight of 15,000 to less than 28,000 Daltons, and a second copolyestercarbonate having a number average molecular weight of more than 28,000 to 40,000 Daltons, wherein a weight ratio of the first polyestercarbonate to the second polyestercarbonate is 95:5 to 20:80; (c) from 3 to 30 wt. % of a particulate filler; (d) from 0.1 to 10 wt. % of a fluoropolymer; and (e) from 3 to 25 wt. % of a polymeric impact modifier. A method of making the composition and an article comprising the thermoplastic composition are also disclosed.

Polymer compositions, method of manufacture, and articles formed therefrom

An object of the present invention is to propose a novel thermoplastic resin composition having high impact resistance without degrading weather resistance even when the content of an impact modifier is small. A thermoplastic resin composition includes 100 parts by weight of a thermoplastic resin (a) and 0.5 to 20 parts by weight of an impact modifier (b) containing a graft copolymer (b-1) containing at least one (meth)acrylate flexible polymer phase and a rigid polymer phase serving as the outermost part of the graft copolymer, a water-soluble polymer compound (b-2) having a physical gel-forming property, and a gelling agent (b-3). In the thermoplastic resin composition, the content of the water-soluble polymer compound (b-2) having the physical gel-forming property is 0.01 to 3.0 parts by weight relative to 100 parts by weight of the graft copolymer (b-1) and the content of the rigid polymer phase serving as the outermost part in the graft copolymer (b-1) is 0.5 to 10 percent by weight.

Thermoplastic Resin Composition

A thermoplastic composition comprising a polycarbonate resin, a mineral filler and an acid or an acid salt, and optionally an aromatic vinyl copolymer and/ or an impact modifier, has been found to exhibit improved characteristics and less degradation than filled thermoplastic compositions without the acid or acid salt. In some embodiments the composition exhibits improved impact and ductility, as well as molecular weight' retention. An article may be formed by molding, extruding, shaping or forming such a composition to form the article.

Thermoplastic polycarbonate compositions with improved mechanical properties, articles made therefrom and method of manufacture

The invention provides a polyester and/or polycarbonate composition which contains an impact modifier in an impact modifying amount, wherein the impact modifier is a synergistic mixture of (1) an ABS polymer and (2) a terpolymer of (a) ethylene, a monomer which contains a heterocycle containing one oxygen atom as the hetero-atom and optionally one or more further monomers.

Impact modified polyester and/or polycarbonate

The invention relates to a polymer mixture comprising A) 55-90% by weight of an aromatic polycarbonate (A1) or a mixture of an aromatic polycarbonate (A1) and a polyalkylene terephthalate (A2); B) 10-30% by weight of a graft copolymer built up from a diene rubber graft base on which at least one of the following vinyl monomers has been grafted: styrene, acrylonitrile, methyl methacrylate; C) 0-15% by weight of a copolymer of styrene, alphamethyl styrene, methyl methacrylate or mixtures thereof and acrylonitrile, methacrylonitrile, methyl methacry late or mixtures thereof, the percentages by weight being calculated with respect to the sum of the constituents A, B and C, the diene rubber graft base having a monodisperse particle size distribution having such a narrow particle size distribution that the diameter of more than 50% by weight of the particles lies between 200 and 300 nanometers and the diameter of more than 70% by weight of the particles lies between 200 and 400 nanometers. The use of a graft copolymer having a certain particle size distribution results in a polymer mixture having improved properties.

Polymer mixture composed of an aromatic polycarbonate, optionally a polyalkyleneterephthalate and a graft copolymer

Low juicing impact modified thermoplastic compositions and injection molding processes using the thermoplastic compositions. The thermoplastic compositions utilize as modifier an emulsion graft copolymer made using a latex emulsified with a polyacid. The compositions exhibit reduced tendencies to juice (plate out) during injection molding thereof. The compositions are useful in making impact strength enhanced thermoplastic articles.

Wilhelmus Johannes Daniel Steendam

Papers

Thermoplastic polycarbonate compositions with improved mechanical properties, articles made therefrom and method of manufacture

Impact modified polyester and/or polycarbonate

Polymer mixture composed of an aromatic polycarbonate, optionally a polyalkyleneterephthalate and a graft copolymer

Processes, thermoplastic compositions and emulsion graft copolymer utilizing a polyacid