Abstract: The present invention relates to compositions containing flame retardant polycarbonate, which are suitable for producing flame-resistant milk-white colored plates. The composition contains polycarbonate, 0.10 to 4.00 weight percent of an acrylate-based scattering additive, 0.50 to 5.00 weight percent of an aromatic-aliphatic polyester, and 0.50 to 8.00 weight percent of a phosphorus-based flame retardant.

Abstract: A sheet containing a base layer containing polycarbonate and a flame retardant, wherein the flame retardant contains a compound of formula 1 wherein R1, R2, R3 and R4, represents an optionally halogen-substituted C1-C8 alkyl, C5-C6 cycloalkyl, C6-C10 aryl or C7-C12 aralkyl, R5 and R6, represents a C1-C4 alkyl, and Y represents a C1-C7 alkylidene, C1-C7 alkylene, C5-C12 cycloalkylidene, —O—, —S—, —SO—, —SO2—, —CO— or a residue of formula (2) or (3) wherein Z represents carbon and R21 and R22 can be selected for each Z individually and, represent hydrogen or C1-C6 alkyl, with the proviso that, on at least one Z atom, R21 and R22 are simultaneously alkyl and wherein the polycarbonate comprises a mixture of linear and branched polycarbonate and wherein the linear polycarbonate content is at least 40 wt. %, based on the total polycarbonate weight.

Abstract: The present invention relates to flameproofed, UV-resistant polycarbonate moulding compositions having improved flame retardancy and a low incorporation of the UV absorber into the polymer chain and a resulting higher relative viscosity compared with the polycarbonates having increased incorporation of UV absorber, wherein the polycarbonate compositions comprise A) at least one polycarbonate having an average molecular weight Mw of from 18,000 to 40,000 g/mol, B) one or more reactive UV absorbers and C) at least one alkali metal or alkaline earth metal salt of a fluorinated organic acid, and C) has a content of free sulfate of less than 0.007 wt. % and a content of free fluoride of less than 0.017 wt.%, in each case based on the weight of C).

Abstract: The present invention relates to polyalkylene terephthalate/polycarbonate compositions, containing A) 49 to 70 parts by weight aromatic polycarbonate, B) 21 to 40 parts by weight polyalkylene terephthalate with more than 2 carbons in the diol component, C) 6 to 25 parts by weight of a salt of a phosphinic acid, D) 0 to 24 parts by weight conventional additives, all parts by weight in the present application being standardized such that the sum of the parts by weight of components A+B+C+D in the composition adds up to 100, and which are distinguished by an optimum combination of low molding shrinkage, high chemical resistance and good heat resistance together with good fire behavior, the use of the polycarbonate compositions for the production of moldings and the moldings themselves.

Abstract: The present invention relates to a polymer material comprising a polymer and an organically modified layered silicate dispersed in the polymer. The total content of alkali and/or alkaline earth metal cations in the polymer material is ?1 ppm. It relates further to the use of the polymer material as an electret material, and to an electromechanical converter comprising such a polymer material.

Abstract: Disclosed are random copoly(phosphonate carbonate)s with the high molecular weight and narrow molecular weight distribution exhibiting a superior combination of properties compared to prior art.

Abstract: The present invention relates to flameproofed, UV-resistant polycarbonate moulding compositions having improved flame retardancy and a low incorporation of the UV absorber into the polymer chain and a resulting higher relative viscosity compared with the polycarbonates having increased incorporation of UV absorber, wherein the polycarbonate compositions comprise A) at least one polycarbonate having an average molecular weight Mw of from 18,000 to 40,000 g/mol, B) one or more reactive UV absorbers and C) at least one alkali metal or alkaline earth metal salt of a fluorinated organic acid, and C) has a content of free sulfate of less than 0.007 wt. % and a content of free fluoride of less than 0.017 wt. %, in each case based on the weight of C).

Abstract: The present invention relates to flameproofed, UV resistant polycarbonate moulding compositions with good melt stability and a high proportion of free, reactive UV absorbers, wherein the polycarbonate compositions comprise A) at least one polycarbonate with an average molecular weight M w of 18,000 to 40,000, B) at least one alkali or alkaline earth salt of an organic flame retardant consisting of diphenylsulfone, alkali or alkaline earth diphenylsulfone sulfonate and alkali or alkaline earth diphenylsulfone disulfonate, and C) one or more reactive UV absorbers, and wherein B) comprises diphenylsulfone in a proportion of 1.10 wt. % to 2.50 wt. %, based on the total mass of component B).

Abstract: Disclosed are random copoly(phosphonate carbonate)s with the high molecular weight and narrow molecular weight distribution exhibiting a superior combination of properties compared to prior art.

Abstract: The invention relates to highly transparent coated articles comprising a substrate (S) of a transparent thermoplastic polymer containing flameproofing agents and, on one side or on both sides, a silica-containing scratch-resistant coating (K) and optionally polyelectrolyte (multi)layers (P) on one or both sides. The invention relates in addition to the production of such coated articles and to their use, in particular in the production of flat display units.

Abstract: The present invention relates to compositions containing flame retardant polycarbonate, which are suitable for producing flame-resistant milk-white coloured plates.

Abstract: The present invention relates to compositions which contain flame-retardant polycarbonate and are suitable for the production of flame-resistant and milky-white sheets.

Abstract: The invention relates to flame resistant polycarbonate plates characterised in that the flame-proof properties thereof are maintained even after long exposure to weathering.

Abstract: Disclosed are random copoly(phosphonate carbonate)s with the high molecular weight and narrow molecular weight distribution exhibiting a superior combination of properties compared to prior art.

Abstract: Moldings obtainable from compositions comprising A) from 99.91 to 85% by weight of thermoplastic and B) from 0.09 to 15% by weight of multiwall carbon nanotubes, which have a 20° gloss level of from 104 to 20 and a 60° gloss level of from 103 to 50, measured to ISO 2813 using a Byk-Gardner haze-gloss device, and the use of the compositions for the production of moldings with these gloss levels.

Abstract: The present invention relates to a composition containing polycarbonate and 0.01 wt. % to less than 0.30 wt. % of polyol, polyether polyol, or combinations thereof.

Abstract: The present invention relates to a composition containing polycarbonate and 0.0001 wt. % to 0.5 wt. % 2-[2-hydroxy-4-(2-ethylhexyl)oxy]phenyl-4,6-di(4-phenyl)phenyl-1,3,5-triazine (CAS No. 204583-39-1) and 0.01 wt. % to 30.00 wt. % of a flameproofing additive.

Abstract: The present invention relates to flame-retardant compositions containing: A. 65 to 99.998 wt. % polycarbonate, B. 0.001 to 1 wt. % of an organic flame-retardant salt selected from the group consisting of alkali and alkaline-earth salts of aliphatic and aromatic sulfonic acid, sulfonamide and sulfonimide derivatives and mixtures thereof, and C. 0.001 to 1 wt. % of one or more bromine-containing flame-retardant additives, characterised in that that the overall composition contains 100 ppm to 1000 ppm bromine.

Abstract: The present invention relates to a flame-retardant, optically clear thermoplastic molding composition. The composition contains a A) about 60 pbw to about 97 pbw of a polycarbonate, B) about 1 pbw to about 20 pbw of bromine-substituted oligocarbonate, C) about 1 pbw to about 20 pbw of a phosphorus-containing compound and D) about 0.01 pbw to about 1 pbw of at least one alkali or alkaline-earth salt of perfluoroalkane sulfonic acid and optionally E) about 0.01 to about 1 pbw of a phosphite antioxidant/stabilizer. In accordance with UL-94 standard the flame-retardant, optically clear thermoplastic molding composition is rated 5VA at 3.00 mm and V-0 at 2.3 mm, more preferably V-0 at 1.5 mm according to UL-94.

Abstract: Flame-resistant compositions comprising: a polycarbonate; 0.01 to <0.3 wt. % of a polyol; and 0.01 to 0.8 wt. % of a salt of a metal selected from the group consisting of alkali metals, alkaline earth metals and mixtures thereof, and a compound selected from the group consisting of sulfonic acids, sulfonamides, sulfonimides and mixtures thereof; processes for preparing the same and products prepared therewith.