Disclosed are a polypropylene resin composition and a molded article including the same. The polypropylene resin composition may include a polypropylene resin, glass fiber, a non-halogen flame retardant, a compatibilizer, and sodium salt ionomer such that the resin composition may provide substantially improved mechanical properties such as tensile strength, impact strength, and flexural modulus, and excellent flame retardancy and flame retardant stability over time.

Disclosed herein is a thermoplastic composition comprising 10 to 45 weight percent glass fiber, 5 to 15 weight percent of a metal dialkyl phosphinate, 1 to 5 weight percent melamine polyphosphate and a compatibilized blend formed from 20 to 60 weight percent of polyamide, 10 to 40 weight percent of polyphenylene ether, and 0.05 to 2 weight percent of a compatibilizing agent, wherein weight percent is based on the combined weight of the polyamide, polyphenylene ether, compatibilizing agent, glass fiber, metal dialkyl phosphinate and melamine polyphosphate, and the composition is free of borate compounds. The composition has a UL94 rating of V0 at a thickness of 1.5 millimeters.

Disclosed herein is a thermoplastic composition comprising 10 to 45 weight percent glass fiber, 5 to 15 weight percent of a metal dialkyl phosphinate, 1 to 5 weight percent melamine polyphosphate and a compatibilized blend formed from 20 to 60 weight percent of polyamide, 10 to 40 weight percent of polyphenylene ether, and 0.05 to 2 weight percent of a compatibilizing agent, wherein weight percent is based on the combined weight of the polyamide, polyphenylene ether, compatibilizing agent, glass fiber, metal dialkyl phosphinate and melamine polyphosphate, and the composition is free of borate compounds. The composition has a UL94 rating of V0 at a thickness of 1.5 millimeters.

A flame retardant composition according to the present invention is a phosphate-based flame retardant including a (poly)phosphate, in which F and N satisfy 8.0×10.sup.−4≤F/N≤20.0 and F≤21.0, assuming that F (ppm) is a content of elemental iron and N (ppm) is a content of elemental sodium in the flame retardant composition as measured in accordance with the following procedure.

A flame retardant composition according to the present invention is a phosphate-based flame retardant including a (poly)phosphate, in which F and N satisfy 8.0×10.sup.−4≤F/N≤20.0 and F≤21.0, assuming that F (ppm) is a content of elemental iron and N (ppm) is a content of elemental sodium in the flame retardant composition as measured in accordance with the following procedure.

Among other things the invention provides novel flame-retardant compounds useful for increasing the flame retardance of polymers.

Among other things the invention provides novel flame-retardant compounds useful for increasing the flame retardance of polymers.

The invention relates to a composition comprising an organic material susceptible to oxidative, thermal or light-induced degradation and a compound of formula I-P, I-O or I-M. Further embodiments are a compound of formula I-P, I-O or I-M, a process for protection of the organic material by the compound, the use of the compound against degradation of the organic material, an additive composition comprising the compound, a process for manufacturing the compound and an intermediate involved therein.

##STR00001##

The invention relates to a composition comprising an organic material susceptible to oxidative, thermal or light-induced degradation and a compound of formula I-P, I-O or I-M. Further embodiments are a compound of formula I-P, I-O or I-M, a process for protection of the organic material by the compound, the use of the compound against degradation of the organic material, an additive composition comprising the compound, a process for manufacturing the compound and an intermediate involved therein.

##STR00001##

Illuminating devices are disclosed having plastic light-transmitting article(s) formed from a thermoplastic composition including a polycarbonate having repeating structural carbonate units according to the formula: ##STR00001##
in which at least 60 percent of the total number of R.sup.1 groups contain aromatic moieties and the balance thereof are aliphatic, alicyclic, or aromatic. The composition also includes an epoxy additive having at least two epoxy groups per molecule and a phenolic diphosphite derived from pentaerythritol. The thermoplastic composition exhibits a dE (2000 hrs.) value of less than 1.5 after 2000 hours of heat aging at 130° C., measured according ISO 11664-4:2008(E)/CIE S 014-4/E:2007 using CIE illuminant D65 and a 2.5 mm thick molded plaque of the thermoplastic composition.