Patent classifications
C08G64/06
FLAME-RESISTANT POLYCARBONATE-POLYESTER BLEND
The present invention relates to a molding compound containing A) 45 to 65 wt. % of at least one aromatic polycarbonate, polyester carbonate or mixtures thereof, B) 18 to 31 wt. % of at least one polybutylene terephthalate having rheological properties of 5 g/10 min to 30 g/10 min determined according to DIN EN ISO 1133 at 250° C. measuring temperature and a load of 2.16 kg, C) 3 to 10 wt % of at least one rubber-modified graft polymer with a graft base consisting of a silicone-acrylate composite rubber and a silicone rubber content of 20 to 60 wt. % relative to the graft base, D) 8 to 13 wt. % of at least one phosphazene, and E) 0 to 8.0 wt. % of at least one polymer additive, the weight ratio of components D to C) being in the range of 1.3:1 to 2.5:1. The invention also relates to a method for producing the molding compound, to the use of the molding compound for producing moldings and to the moldings as such.
FLAME-RESISTANT POLYCARBONATE-POLYESTER BLEND
The present invention relates to a molding compound containing A) 45 to 65 wt. % of at least one aromatic polycarbonate, polyester carbonate or mixtures thereof, B) 18 to 31 wt. % of at least one polybutylene terephthalate having rheological properties of 5 g/10 min to 30 g/10 min determined according to DIN EN ISO 1133 at 250° C. measuring temperature and a load of 2.16 kg, C) 3 to 10 wt % of at least one rubber-modified graft polymer with a graft base consisting of a silicone-acrylate composite rubber and a silicone rubber content of 20 to 60 wt. % relative to the graft base, D) 8 to 13 wt. % of at least one phosphazene, and E) 0 to 8.0 wt. % of at least one polymer additive, the weight ratio of components D to C) being in the range of 1.3:1 to 2.5:1. The invention also relates to a method for producing the molding compound, to the use of the molding compound for producing moldings and to the moldings as such.
POLYCARBONATE RESIN COMPOSITION AND RESIN MOLDED BODY
A resin composition, including an aromatic polycarbonate resin, wherein when colorimetry is performed by using a molded body for optical characteristic measurement formed of the resin composition, the molded body including an entering portion from which light enters, an emitting portion from which the entered light is emitted, and a light-guiding portion configured to guide the light that has entered from the entering portion to the emitting portion, and the light-guiding portion including an optical path having such a curvature that the entered light is totally reflected, and by using a white light-emitting diode as a light source, a difference (Y2−Y1) between a y(Y1) of the molded body for optical characteristic measurement in a CIE 1931 color system at a position of a light-guiding path distant from the entering portion by 125 mm.
Chemically modified polyesters and process for making
Chemically modified polyesters, foamable compositions thereof that form low density foams, and methods of making the foamable compositions and foams are disclosed. The compositions comprise an amorphous copolyester, or amorphous co-polyesterpolycarbonate or amorphous co-polyesterpolyether or combination thereof. Additionally, uses for the low density foams are disclosed.
MOLDED ARTICLES COMPRISING A POST-CONSUMER RECYCLE POLYCARBONATE AND METHOD FOR THE MANUFACTURE THEREOF
A polycarbonate composition includes particular amounts of a virgin polycarbonate and a purified recycled polycarbonate. The polycarbonate composition can exhibit improved color. The polycarbonate composition can be useful for forming molded articles. A method of purifying a post-consumer or post-industrial recycle polycarbonate composition is also disclosed.
MOLDED ARTICLES COMPRISING A POST-CONSUMER RECYCLE POLYCARBONATE AND METHOD FOR THE MANUFACTURE THEREOF
A polycarbonate composition includes particular amounts of a virgin polycarbonate and a purified recycled polycarbonate. The polycarbonate composition can exhibit improved color. The polycarbonate composition can be useful for forming molded articles. A method of purifying a post-consumer or post-industrial recycle polycarbonate composition is also disclosed.
Polycarbonate resin composition and optical molded product including the same
Provided are a polycarbonate resin composition comprising a polycarbonate resin, pentaerythritol tetrastearate, a black dye, and a blue dye, and an optical molded product comprising same.
Polycarbonate resin composition and optical molded product including the same
Provided are a polycarbonate resin composition comprising a polycarbonate resin, pentaerythritol tetrastearate, a black dye, and a blue dye, and an optical molded product comprising same.
Polyester carbonate and method for producing polyester carbonate
The present invention relates to a production method of a poly(ester)carbonate, including subjecting a diol and a carbonate ester to a transesterification reaction in the presence of a catalyst, wherein the catalyst comprises aluminum or a compound thereof, and a phosphorus compound.
Polyester carbonate and method for producing polyester carbonate
The present invention relates to a production method of a poly(ester)carbonate, including subjecting a diol and a carbonate ester to a transesterification reaction in the presence of a catalyst, wherein the catalyst comprises aluminum or a compound thereof, and a phosphorus compound.