Abstract: A laser composition comprises a combination of: (a) from more than 45 to less than 94 weight percent of a crystalline or semi-crystalline thermoplastic polyester component selected from poly(butylene terephthalate), poly(ethylene terephthalate), poly(butylene terephthalate) copolymers poly(ethylene terephthalate) copolymers, and combinations thereof; (b) from greater than 6 to less than 25 weight percent of an amorphous thermoplastic poly(ester) copolymer, poly(ester-carbonate), or combination thereof; (c) optionally, from 1 to 30 weight percent of a filler; and (d) optionally, from 0.01 to 5 weight percent of an antioxidant, mold release agent, colorant, stabilizer, or a combination thereof; wherein an article having a 2 mm thickness and molded from the composition has (i) a near infrared transmission at 960 nanometers of greater than 30 percent and (ii) a Vicat softening temperature of at least 170° C.

Abstract: A composition comprising polycarbonate, polyethylene terephthalate, organopolysiloxane-polycarbonate block copolymer, and epoxy-functional block copolymer for providing an improved balance of properties, including heat aging performance in combination with impact resistance. Articles molded from the composition are advantageously useful for automotive applications.

Abstract: A laser composition comprises a combination of: (a) from more than 45 to less than 94 weight percent of a crystalline or semi-crystalline thermoplastic polyester component selected from poly(butylene terephthalate), poly(ethylene terephthalate), poly(butylene terephthalate) copolymers poly(ethylene terephthalate) copolymers, and combinations thereof; (b) from greater than 6 to less than 25 weight percent of an amorphous thermoplastic poly(ester) copolymer, poly(ester-carbonate), or combination thereof; (c) optionally, from 1 to 30 weight percent of a filler; and (d) optionally, from 0.01 to 5 weight percent of an antioxidant, mold release agent, colorant, stabilizer, or a combination thereof; wherein an article having a 2 mm thickness and molded from the composition has (i) a near infrared transmission at 960 nanometers of greater than 30 percent and (ii) a Vicat softening temperature of at least 170° C.

Abstract: A composition comprises a blend of 50 to 90 wt. % of a polycarbonate copolymer, 10 to 50 wt. % of a polyester wherein the weight percent of the polycarbonate copolymer and the polyester are each based on the total weight of the polycarbonate copolymer and the polyester. A molded sample of the composition having a thickness of 2.5 mm has a luminous transmittance of greater than 80% and a haze of less than 20% when measured in accordance with ASTM D 1003.

Abstract: A composition comprises a blend of 20 to 90 wt. % of a polycarbonate, 10 to 80 wt. % of a polyester wherein the weight percent of the polycarbonate and the polyester are each based on the total weight of the polycarbonate and the polyester. A sample of the composition having a thickness of 2.5 mm has a luminous transmittance of greater than or equal to 80% and a haze of less than 20% when measured in accordance with ASTM D 1003.

Abstract: A composition for laser welding which comprises (a) 35.5 to 80 weight percent of a non-amorphous polymer selected from the group consisting of poly(butylene terephthalate), poly(ethylene terephthalate), poly(butylene terephthalate) copolymer, poly(ethylene terephthalate) copolymer, and combinations thereof; (b) 10 to 24.5 weight percent of an amorphous polymer selected from a poly(ester) copolymer, a poly(ester-carbonate), or a combination thereof; and (c) 10 to 40 weight percent of a filler selected from the group consisting of talc, mica, barium sulphate, at least one form of glass, and a combination thereof. This composition is further compounded with (d) 0-5 parts by weight of an antioxidant, mold release agent, stabilizer, or a combination thereof based upon 100 parts by weight of the combination of the non-amorphous polymer, the amorphous polymer and the filler.

Abstract: A composition comprises 20 to 80 wt. % of a polyester component comprising a modified polybutylene terephthalate random copolymer derived from a polyethylene terephthalate component selected from polyethylene terephthalate and polyethylene terephthalate copolymers and having at least one residue derived from the polyethylene terephthalate component; from 5 to 35 wt. % of a flame retardant phosphinate (I) or (II) (R1)(R2)(PO)—O]?mMm+??(I) [(O—POR1)(R3)(POR2—O)]2?nMm+x??(II), and/or a flame retardant polymer thereof, wherein R1 and R2 are independently are H, C1-C6-alkyl, or C6-C10-aryl; R3 is C1-C10, alkylene, C6-C10-arylene, -alkylarylene or -arylalkylene; M is an alkaline earth metal, alkali metal, Al, Ti, Zn, Fe, or boron; m is 1, 2, 3 or 4; n is 1, 2, or 3; and x is 1 or 2; 1 to 25 wt. % of a melamine polyphosphate, melamine cyanurate, melamine pyrophosphate, and/or melamine phosphate; and more than 0 to 25 wt. % of a polyetherimide.

Abstract: A composition comprises a blend of 50 to 90 wt. % of a polycarbonate copolymer, 10 to 50 wt. % of a polyester wherein the weight percent of the polycarbonate copolymer and the polyester are each based on the total weight of the polycarbonate copolymer and the polyester. A molded sample of the composition having a thickness of 2.5 mm has a luminous transmittance of greater than 80% and a haze of less than 20% when measured in accordance with ASTM D 1003.

Abstract: A composition comprises a blend of 20 to 90 wt. % of a polycarbonate, 10 to 80 wt. % of a polyester wherein the weight percent of the polycarbonate and the polyester are each based on the total weight of the polycarbonate and the polyester. A sample of the composition having a thickness of 2.5 mm has a luminous transmittance of greater than or equal to 80% and a haze of less than 20% when measured in accordance with ASTM D 1003.

Abstract: A composition comprises 20 to 80 wt. % of a polyester component comprising a modified polybutylene terephthalate random copolymer derived from a polyethylene terephthalate component selected from polyethylene terephthalate and polyethylene terephthalate copolymers and having at least one residue derived from the polyethylene terephthalate component; from 5 to 35 wt. % of a flame retardant phosphinate (I) or (II) (R1)(R2)(PO)—O]?mMm+ ??(I) [(O—POR1)(R3)(POR2—O)]2?nMm+x, ??(II) and/or a flame retardant polymer thereof, wherein R1 and R2 are independently are H, C1-C6-alkyl, or C6-C10-aryl; R3 is C1-C10, alkylene, C6-C10-arylene, -alkylarylene or -arylalkylene; M is an alkaline earth metal, alkali metal, Al, Ti, Zn, Fe, or boron; m is 1, 2, 3 or 4; n is 1, 2, or 3; and x is 1 or 2; 1 to 25 wt. % of a melamine polyphosphate, melamine cyanurate, melamine pyrophosphate, and/or melamine phosphate; and more than 0 to 25 wt. % of a polyetherimide.

Abstract: A resin composition having laser marking properties on radiation from a Nd:YAG laser wherein said composition comprises a polyester thermoplastic resin, a sufficient amount of light pigment for forming a light background coloration, and an effective amount of marking agent wherein said polyester thermoplastic resin decomposes in laser struck areas to form dark colored markings in laser struck areas on the light background coloration wherein the marking agent is selected from the group consisting of copper fumarates and copper maleates and mixtures thereof.

Abstract: A resin composition having laser marking properties on radiation from a Nd:YAG laser wherein said composition comprises a polyester thermoplastic resin, a sufficient amount of light pigment for forming a light background coloration, and an effective amount of marking agent wherein said polyester thermoplastic resin decomposes in laser struck areas to form dark colored markings in laser struck areas on the light background coloration wherein the marking agent is selected from the group consisting of copper fumarates and copper maleates and mixtures thereof.

Abstract: In process for making a polyesteramide composition, an alkyl aryl terephthalate ester is formed from a dialkyl terephthalate by transesterification and then reacted with an alkyl diamine to form a bis-ester amide wherein the reaction product containing the bis-ester amide may be directly contacted with an alkyl diamine without the need for purification steps.

Abstract: Disclosed are polyesteramide resin compositions having amide units of formula (I): ##STR1## and the units of the formula (II): ##STR2## wherein the polyesteramide is substantially devoid of units derived from butane diol. The ratio of (I) to (II) in the polyesteramide is preferably less than 1:3. Preferred polyesteramides have at least 80% of units of formula (I) separated by at least one of the units of formula (II).