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US 2009/0014692 A1Published application
Thermoplastic poly(arylene ether) / polyester blends and articles thereof
AssigneeGeneral Electric Company
InventorsPravin Borade, Donna Staarup Bossman, Shreyas Chakravarti, Robert R. Gallucci, Roshan Kumar Jha, Ganesh Kannan, Nitin Moghe, Przemyslaw Olszynski
Life of this patent
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Abstract
Disclosed herein is a polymer composition comprising: a poly(arylene ether); a polyester; electrically conductive filler, and an impact modifier. The composition has a continuous phase comprising polyester and a disperse phase comprising poly(arylene ether). The amount of the disperse phase is less than 35 weight percent, based on the total weight of the composition.
Claims37
A thermoplastic composition comprising:
- a polyester;
- a poly(arylene ether) wherein a portion of the poly(arylene ether) is functionalized poly(arylene ether);
- electrically conductive filler and an impact modifier;
- wherein the composition comprises a continuous phase comprising polyester and a disperse phase comprising poly(arylene ether) and the amount of the disperse phase is less than 35 weight percent, based on the total weight of the composition, and
- wherein the composition has a notched Izod value greater than or equal to 6 kilojoules per square meter as determined by ISO 180/1A and a nominal strain at break greater than or equal to 15% as determined by ISO 527.
2 more elements
A thermoplastic composition comprising:
- a linear aliphatic polyester;
- a poly(arylene ether) wherein a portion of the poly(arylene ether) is functionalized poly(arylene ether);
- an electrically conductive filler;
- and
- an impact modifier;
- wherein the composition comprises a continuous phase comprising polyester and a disperse phase comprising poly(arylene ether) and the amount of the disperse phase is less than 35 weight percent, based on the total weight of the composition, and
- wherein the composition has a notched Izod value greater than or equal to 6 kilojoules per square meter as determined by ISO 180/1A and a nominal strain at break greater than or equal to 15% as determined by ISO 527.
4 more elements
A thermoplastic composition comprising:
- 40 to 90 weight percent, based on the total weight of the composition, of a polybutylene terephthalate;
- to 30 weight percent, based on the total weight of the composition, of a poly(arylene ether) wherein a portion of the poly(arylene ether) is functionalized poly(arylene ether);
- 0.2 to 20 weight percent, based on the total weight of the composition, of an electrically conductive filler;
- and
- to 22 weight percent, based on the total weight of the composition, of an impact modifier comprising a block copolymer or a combination of block copolymers;
- wherein the composition comprises a continuous phase comprising polybutylene terephthalate and a disperse phase comprising poly(arylene ether) and the amount of the disperse phase is less than 35 weight percent, based on the total weight of the composition, and
- wherein the composition has a notched Izod value greater than or equal to 6 kilojoules per square meter as determined by ISO 180/1A and a nominal strain at break greater than or equal to 15% as determined by ISO 527.
4 more elements
A thermoplastic composition produced by melt blending:
- a polyester;
- a poly(arylene ether) wherein a portion of the poly(arylene ether) is functionalized poly(arylene ether);
- an impact modifier;
- an electrically conductive filler;
- and
- a polymeric compatibilizer having an average of greater than or equal to 3 pendant epoxy groups per molecule;
- wherein the composition comprises a continuous phase comprising polyester and a disperse phase comprising poly(arylene ether) and the amount of the disperse phase is less than 35 weight percent, based on the total weight of the composition,
- wherein the composition has a notched Izod greater than or equal to 6 kilojoules per square meter, as determined by ISO 180/1A and a nominal strain at break greater than or equal to 15% as determined by ISO 527.
5 more elements
A thermoplastic composition produced by melt blending:
- a polyester;
- a poly(arylene ether);
- an impact modifier;
- a functionalizing agent;
- an electrically conductive filler;
- and
- a polymeric compatibilizer having an average of greater than or equal to 3 pendant epoxy groups per molecule,
- wherein the composition has a notched Izod greater than or equal to 6 kilojoules per square meter, as determined by ISO 180/1A and a nominal strain at break greater than or equal to 15% as determined by ISO 527.
5 more elements
A thermoplastic composition produced by melt blending:
- 40 to 90 weight percent, based on the total weight of the composition, of a polybutylene terephthalate;
- 5 to 30 weight percent, based on the total weight of the composition, of a poly(arylene ether) wherein a portion of the poly(arylene ether) is functionalized poly(arylene ether);
- 5 to 22 weight percent, based on the total weight of the composition, of an impact modifier;
- 0.2 to 20 weight percent, based on the total weight of the composition, of an electrically conductive filler;
- and
- 0.1 to 20 weight percent, based on the total weight of the composition, of a polymeric compatibilizer having an average of greater than or equal to 3 pendant epoxy groups per molecule;
- wherein the composition comprises a continuous phase comprising polyester and a disperse phase comprising poly(arylene ether) and the amount of the disperse phase is less than 35 weight percent, based on the total weight of the composition,
- wherein the composition has a notched Izod greater than or equal to 6 kilojoules per square meter, as determined by ISO 180/1A and a nominal strain at break greater than or equal to 15% as determined by ISO 527.
5 more elements
A thermoplastic composition produced by melt blending:
- 40 to 90 weight percent, based on the total weight of the composition, of a polybutylene terephthalate
- 5 to 30 weight percent, based on the total weight of the composition, of a poly(arylene ether);
- 5 to 22 weight percent, based on the total weight of the composition, of an impact modifier;
- a functionalizing agent;
- 0.2 to 20 weight percent, based on the total weight of the composition, of an electrically conductive filler;
- and
- 0.1 to 20 weight percent, based on the total weight of the composition, of a polymeric compatibilizer having an average of greater than or equal to 3 pendant epoxy groups per molecule,
- wherein the composition has a notched Izod greater than or equal to 6 kilojoules per square meter, as determined by ISO 180/1A and a nominal strain at break greater than or equal to 15% as determined by ISO 527.
5 more elements
An article comprising a thermoplastic composition, wherein the thermoplastic composition comprises:
- 40 to 90 weight percent, based on the total weight of the composition, of a polybutylene terephthalate;
- to 30 weight percent, based on the total weight of the composition, of a poly(arylene ether) wherein a portion of the poly(arylene ether) is functionalized poly(arylene ether);
- 0.2 to 20 weight percent, based on the total weight of the composition, of an electrically conductive filler;
- and
- 5 to 22 weight percent, based on the total weight of the composition, of an impact modifier comprising a block copolymer or a combination of block copolymers;
- wherein the composition comprises a continuous phase comprising polybutylene terephthalate and a disperse phase comprising poly(arylene ether) and the amount of the disperse phase is less than 35 weight percent, based on the total weight of the composition, and
- wherein the composition has a notched Izod value greater than or equal to 6 kilojoules per square meter as determined by ISO 180/1A and a nominal strain at break greater than or equal to 15% as determined by ISO 527.
4 more elements
Dependencies are inferred from the claim text.