Poly(butylene terephthalate) compositions, methods of manufacture, and articles thereof

A composition, comprising:

• from 5 to 90 wt. % of a modified poly(butylene terephthalate) copolymer having a melting temperature of more than 200° C. and an intrinsic viscosity ranging from 0.5 to 1.4 dL/g, and comprising
• (a) at least one residue derived from a poly(ethylene terephthalate) component, and combinations thereof;
• and
• (b) a member selected from the group consisting of
• (i) at least one polymer selected from the group consisting of more than 0 to less than 575 ppm polyvinyl chloride, more than 0 to less than 575 ppm polyvinylidene chloride, more than 0 to less than 5.7 wt. % Nylon 6, from more than 0 to less than 4.6 wt. % Nylon 6,6, and combinations thereof, each based on the parts by weight or weight of the poly(ethylene terephthalate) component,
• (ii) a member selected from the group consisting of at least one residue derived from a polyvinyl chlorides, at least one residue derived from a polyvinylidene chlorides, at least one residue derived from a polyamides, at least one residue derived from a polylactic acid, and combinations thereof, and
• (iii) combinations thereof;
• and
• wherein the residue derived from the poly(ethylene terephthalate) component is selected from the group consisting of ethylene glycol groups, diethylene glycol groups, isophthalic acid groups, antimony-containing compounds, germanium-containing compounds, titanium-containing compounds, cobalt-containing compounds, tin containing compounds, aluminum, aluminum salts, 1,3-cyclohexanedimethanol isomers, 1,4-cyclohexanedimethanol isomers, alkali salts, alkaline earth metal salts, phosphorous-containing compounds and anions, sulfur-containing compounds and anions, napthalene dicarboxylic acids, 1,3-propanediol groups, and combinations thereof;
• from 10 wt. % to 50 wt. % of a filler component;
• and
• from more than 0 to 5 wt. % of an additive selected from the group consisting of heat stabilizers, pentaerythritol, antioxidants, quenchers, mold release agents, polytetrafluoroethylene, light absorbers, polytetrafluoroethylene-poly(styrene-co-acrylonitrile) mixtures, and combinations thereof;
• and
• from 0 to 20 wt. % of a flame retardant.

A composition, comprising:

• from 5 to 90 wt. % of a modified poly(butylene terephthalate) copolymer having a melting temperature of more than 200° C. and an intrinsic viscosity ranging from 0.5 to 1.4 dL/g, and comprising
• (a) at least one residue derived from a poly(ethylene terephthalate) component, and combinations thereof;
• and
• (b) a member selected from the group consisting of
• (i) at least one polymer selected from the group consisting of from more than 0 to less than 575 ppm polyvinyl chlorides, polyvinylidene chlorides, more than 0 to less than 5.7 wt. % Nylon 6, from more than 0 to less than 4.6 wt. % Nylon 6,6, , and combinations thereof, each based on the parts by weight or weight of the poly(ethylene terephthalate) component,
• (ii) at least one residue derived from a polymer selected from the group consisting of polyvinyl chlorides, polyvinylidene chlorides, polyamides, polylactic acid, and combinations thereof, and
• (iii) combinations thereof;
• and
• wherein the residue derived from the poly(ethylene terephthalate) component comprises ethylene glycol groups, diethylene glycol groups, and antimony-containing compounds;
• from 10 wt. % to 50 wt. % of a filler component;
• from more than 0 to 5 wt. % of an additive selected from the group consisting of heat stabilizers, pentaerythritol, antioxidants, quenchers, mold release agents, polytetrafluoroethylene, light absorbers, polytetrafluoroethylene-poly(styrene-co-acrylonitrile) mixtures, and combinations thereof;
• and
• from more than 0 to 20 wt. % of a flame retardant.