摘要:
A method of preparing a polycarbonate nanocomposite comprising forming a reactant mixture comprising a nanomaterial, a solvent, a dihydroxy compound and an activated carbonate; and polymerizing the dihydroxy compound and the activated carbonate in the presence of the solvent to form the polycarbonate nanocomposite is disclosed. Also disclosed are polycarbonate nanocomposites prepared in accordance with this method, and thermoplastic compositions comprising the polycarbonate nanocomposites. Also disclosed are polycarbonate compositions comprising the nanomaterial.
摘要:
A method of preparing a polycarbonate nanocomposite comprising forming a reactant mixture comprising a nanomaterial, a solvent, a dihydroxy compound and an activated carbonate; and polymerizing the dihydroxy compound and the activated carbonate in the presence of the solvent to form the polycarbonate nanocomposite is disclosed. Also disclosed are polycarbonate nanocomposites prepared in accordance with this method, and thermoplastic compositions comprising the polycarbonate nanocomposites. Also disclosed are polycarbonate compositions comprising the nanomaterial.
摘要:
A method of preparing a polycarbonate nanocomposite comprising forming a reactant mixture comprising a nanomaterial, a solvent, a dihydroxy compound and an activated carbonate; and polymerizing the dihydroxy compound and the activated carbonate in the presence of the solvent to form the polycarbonate nanocomposite is disclosed. Also disclosed are polycarbonate nanocomposites prepared in accordance with this method, and thermoplastic compositions comprising the polycarbonate nanocomposites.
摘要:
A method of preparing a polycarbonate nanocomposite comprising forming a reactant mixture comprising a nanomaterial, a solvent, a dihydroxy compound and an activated carbonate; and polymerizing the dihydroxy compound and the activated carbonate in the presence of the solvent to form the polycarbonate nanocomposite is disclosed. Also disclosed are polycarbonate nanocomposites prepared in accordance with this method, and thermoplastic compositions comprising the polycarbonate nanocomposites. Also disclosed are polycarbonate compositions comprising the nanomaterial.
摘要:
Disclosed herein is a thermoplastic composition comprising about 49.9 to about 99.9 parts by weight of a polycarbonate polymer, up to about 50 parts by weight of an impact modifier, and about 0.1 to about 30 parts by weight silicon carbide particles, wherein the amounts of the polycarbonate polymer, impact modifier, and silicon carbide are each based on 100 parts by weight of the polycarbonate, silicon carbide particles, and impact modifier, wherein the thermoplastic composition has a melt volume rate (MVR) of greater than or equal to 5 cc/10 min. when measured at a temperature of 300° C. under a load of 1.2 kg according to ISO 1133, and wherein an article molded from the thermoplastic composition has a notched Izod impact (NII) of greater than or equal to 4 kJ/m2, when measured at a temperature of 23° C. and using a 2.7 J hammer, according to ISO 180. A method of making the composition, and articles formed therefrom, are also claimed.
摘要:
A thermoplastic composition comprising a polycarbonate, an impact modifier, an aromatic vinyl copolymer, and a polyorganosiloxane has excellent mechanical properties, in addition to suitable low gloss performance. An article may be formed by molding, extruding, shaping or forming such a composition to form the article.
摘要:
A polymer composition is disclosed, which comprises a matrix polymer, a fluoropolymer that may be at least partially encapsulated by an encapsulating polymer, and a filler. Methods for making the polymer compositions and articles made of such compositions are also disclosed. The compositions and article can have improved tensile modulus, ductility, and/or impact properties.
摘要:
An optically clear thermoplastic resin composition is disclosed which comprises structural units derived from substituted or unsubstituted polycarbonate and substituted or unsubstituted polyester, wherein said polyester comprises structural units derived from terephthalic acid and a mixture of 1,4-cyclohexane dimethanol and ethylene glycol, wherein said ethylene glycol is greater than about 60 mole percent based on total moles of 1,4-cyclohexane dimethanol and ethylene glycol. In addition the composition disclosed possess good environmental stress cracking resistance, flow and thermal properties.