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US 6,855,767 B2Granted
Poly(arylene ether)-polyolefin composition and articles derived therefrom
AssigneeGeneral Electric Company
InventorsAdeyinka Adedeji, David R. Lamb, Vincent L. Lanning, Thomas J. Hartle, John C. Haylock
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Abstract
A thermoplastic composition includes a poly(arylene ether), a poly(alkenyl aromatic) resin, a polyolefin, a hydrogenated block copolymer of alkenyl aromatic compound and a conjugated diene having an alkenyl aromatic content of about 40 to about 90 weight percent, and an unhydrogenated block copolymer of an alkenyl aromatic compound and a conjugated diene. The composition exhibits excellent stiffness-impact strength balance, low property variability, and long melt hang time.
Claims45
A thermoplastic composition, comprising:
- a poly(arylene ether);
- a poly(alkenyl aromatic) resin in an amount of at least about 30 weight percent of the total of the poly(arylene ether) and the poly(alkenyl aromatic) resin;
- a propylene polymer;
- wherein the propylene polymer is a homopolymer of polypropylene, or a random, graft, or block copolymer of propylene and at least one olefin selected from ethylene and C4-C10 alpha-olefins, with the proviso that the copolymer comprises at least about 80 weight percent of repeating units derived from propylene;
- and wherein the composition comprises about 10 to about 70 weight percent of the propylene polymer;
- a hydrogenated block copolymer of an alkenyl aromatic compound and a conjugated diene, wherein the hydrogenated block copolymer has an alkenyl aromatic content of 40 to about 90 weight percent, and wherein the hydrogenated block copolymer comprises a styrene-(ethylene-butylene)-styrene triblock copolymer;
- and
- an unhydrogenated block copolymer of an alkenyl aromatic compound and a conjugated diene.
5 more elements
A thermoplastic composition, comprising:
- a poly(arylene ether);
- a poly(alkenyl aromatic) resin in an amount of at least about 30 weight percent of the total of the poly(arylene ether) and the poly(alkenyl aromatic) resin;
- a polyolefin;
- a hydrogenated block copolymer of an alkenyl aromatic compound and a conjugated diene, wherein the hydrogenated block copolymer has an alkenyl aromatic content of 40 to about 90 weight percent, and wherein the hydrogenated block copolymer comprises a styrene-(ethylene-butylene)-styrene triblock copolymer;
- an unhydrogenated block copolymer of an alkenyl aromatic compound and a conjugated diene;
- and
- a polypropylene-polystyrene graft copolymer.
4 more elements
A thermoplastic composition, comprising:
- a poly(arylene ether);
- a poly(alkenyl aromatic) resin in an amount of at least about 30 weight percent of the total of the poly(arylene ether) and the poly(alkenyl aromatic) resin;
- a polyolefin;
- a hydrogenated block copolymer of an alkenyl aromatic compound and a conjugated diene, wherein the hydrogenated block copolymer has an alkenyl aromatic content of 40 to about 90 weight percent, and wherein the hydrogenated block copolymer comprises a styrene-(ethylene-butylene)-styrene triblock copolymer;
- an unhydrogenated block copolymer of an alkenyl aromatic compound and a conjugated diene;
- and
- a polypropylene-polystyrene graft copolymer;
- wherein the polypropylene-polystyrene graft copolymer comprises a graft copolymer having a propylene polymer backbone and one or more styrene polymer grafts.
5 more elements
A thermoplastic composition, comprising:
- a poly(arylene ether);
- a poly(alkenyl aromatic) resin in an amount of at least about 30 weight percent of the total of the poly(arylene ether) and the poly(alkenyl aromatic) resin;
- a polyolefin;
- a hydrogenated block copolymer of an alkenyl aromatic compound and a conjugated diene, wherein the hydrogenated block copolymer has an alkenyl aromatic content of 40 to about 90 weight percent, and wherein the hydrogenated block copolymer comprises a styrene-(ethylene-butylene)-styrene triblock copolymer;
- an unhydrogenated block copolymer of an alkenyl aromatic compound and a conjugated diene;
- and
- a polypropylene-polystyrene graft copolymer;
- wherein the polypropylene-polystyrene graft copolymer comprises a graft copolymer having a propylene polymer backbone and one or more styrene polymer grafts;
- and wherein the polypropylene-polystyrene graft copolymer comprises about 10 to about 90 weight percent of the propylene polymer backbone and about 90 to about 10 weight percent of the styrene polymer grafts.
6 more elements
A thermoplastic composition, comprising:
- a poly(arylene ether);
- a poly(alkenyl aromatic) resin in an amount of at least about 30 weight percent of the total of the poly(arylene ether) and the poly(alkenyl aromatic) resin;
- a polyolefin;
- a hydrogenated block copolymer of an alkenyl aromatic compound and a conjugated diene, wherein the hydrogenated block copolymer has an alkenyl aromatic content of 40 to about 90 weight percent, and wherein the hydrogenated block copolymer comprises a styrene-(ethylene-butylene)-styrene triblock copolymer;
- an unhydrogenated block copolymer of an alkenyl aromatic compound and a conjugated diene;
- and
- about 0.5 to about 15 weight percent of a polypropylene-polystyrene graft copolymer, based on the total weight of the composition.
4 more elements
A thermoplastic composition, comprising:
- a poly(arylene ether);
- a poly(alkenyl aromatic) resin;
- a propylene polymer;
- wherein the propylene polymer is a homopolymer of polypropylene, or a random, graft, or block copolymer of propylene and at least one olefin selected from ethylene and C4-C10 alpha-olefins, with the proviso that the copolymer comprises at least about 80 weight percent of repeating units derived from propylene;
- and wherein the composition comprises about 10 to about 70 weight percent of the propylene polymer;
- a hydrogenated block copolymer of an alkenyl aromatic compound and a conjugated diene, wherein the hydrogenated block copolymer has an alkenyl aromatic content of about 40 to about 90 weight percent, and wherein the hydrogenated block copolymer comprises a styrene-(ethylene-butylene)-styrene triblock copolymer;
- and
- an unhydrogenated block copolymer of an alkenyl aromatic compound and a conjugated diene;
- wherein the poly(arylene ether) and the poly(alkenyl aromatic) resin form a single phase having a glass transition temperature at least about 20° C. greater than the glass transition temperature of the poly(alkenyl aromatic) resin alone.
6 more elements
A thermoplastic composition, comprising:
- a poly(arylene ether);
- a poly(alkenyl aromatic) resin;
- a propylene polymer;
- wherein the propylene polymer is a homopolymer of polypropylene, or a random, graft, or block copolymer of propylene and at least one olefin selected from ethylene and C4-C10 alpha-olefins, with the proviso that the copolymer comprises at least about 80 weight percent of repeating units derived from propylene;
- and wherein the composition comprises about 10 to about 70 weight percent of the propylene polymer;
- a hydrogenated block copolymer of an alkenyl aromatic compound and a conjugated diene, wherein the hydrogenated block copolymer has an alkenyl aromatic content of about 40 to about 90 weight percent, and wherein the hydrogenated block copolymer comprises a styrene-(ethylene-butylene)-styrene triblock copolymer;
- and
- an unhydrogenated block copolymer of an alkenyl aromatic compound and a conjugated diene;
- wherein the poly(arylene ether) and the poly(alkenyl aromatic) resin form a single phase having a glass transition temperature up to about 15° C. greater than the melting temperature of the propylene polymer alone.
6 more elements
A thermoplastic composition, comprising:
- a poly(arylene ether);
- a poly(alkenyl aromatic) resin;
- a propylene polymer;
- wherein the propylene polymer is a homopolymer of polypropylene, or a random, graft, or block copolymer of propylene and at least one olefin selected from ethylene and C4-C10 alpha-olefins, with the proviso that the copolymer comprises at least about 80 weight percent of repeating units derived from propylene;
- and wherein the composition comprises about 10 to about 70 weight percent of the propylene polymer;
- a hydrogenated block copolymer of an alkenyl aromatic compound and a conjugated diene, wherein the hydrogenated block copolymer has an alkenyl aromatic content of about 40 to about 90 weight percent, and wherein the hydrogenated block copolymer comprises a styrene-(ethylene-butylene)-styrene triblock copolymer, and an unhydrogenated block copolymer of an alkenyl aromatic compound and a conjugated diene;
- wherein the poly(arylene ether) and the poly(alkenyl aromatic) resin form a single phase having a glass transition temperature of about 130° C. to about 180° C.
4 more elements
A thermoplastic composition, comprising:
- a poly(arylene ether);
- a poly(alkenyl aromatic) resin;
- a propylene polymer;
- wherein the propylene polymer is a homopolymer of polypropylene, or a random, graft, or block copolymer of propylene and at least one olefin selected from ethylene and C4-C10 alpha-olefins, with the proviso that the copolymer comprises at least about 80 weight percent of repeating units derived from propylene;
- and wherein the composition comprises about 10 to about 70 weight percent of the propylene polymer;
- a hydrogenated block copolymer of an alkenyl aromatic compound and a conjugated diene, wherein the hydrogenated block copolymer has an alkenyl aromatic content of about 40 to about 90 weight percent, and wherein the hydrogenated block copolymer comprises a styrene-(ethylene-butylene)-styrene triblock copolymer;
- an unhydrogenated block copolymer of an alkenyl aromatic compound and a conjugated diene;
- and
- a polypropylene-polystyrene graft copolymer.
6 more elements
A thermoplastic composition, comprising:
- about 10 to about 59 weight percent of a poly(arylene ether);
- about 3 to about 46 weight percent of a poly(alkenyl aromatic) resin, with the proviso that the weight ratio of the poly(alkenyl aromatic) resin to the poly(arylene ether) is at least about 3:7;
- about 10 to about 70 weight percent of a propylene polymer;
- wherein the propylene polymer is a homopolymer of polypropylene, or a random, graft, or block copolymer of propylene and at least one olefin selected from ethylene and C4-C10 alpha-olefins, with the proviso that the copolymer comprises at least about 80 weight percent of repeating units derived from propylene;
- about 1 to about 20 weight percent of a hydrogenated block copolymer of alkenyl aromatic compound and a conjugated diene, wherein the hydrogenated block copolymer has an alkenyl aromatic content of about 40 to about 90 weight percent, and wherein the hydrogenated block copolymer comprises a styrene-(ethylene-butylene)-styrene triblock copolymer;
- and
- about 1 to about 20 weight percent of an unhydrogenated block copolymer of an alkenyl aromatic compound and a conjugated diene;
- wherein all weight percents are based on the total weight of the composition.
5 more elements
A thermoplastic composition, comprising:
- about 10 to about 59 weight percent of a poly(arylene ether);
- about 1 to about 46 weight percent of a poly(alkenyl aromatic) resin;
- about 10 to about 70 weight percent of a propylene polymer;
- wherein the propylene polymer is a homopolymer of polypropylene, or a random, graft, or block copolymer of propylene and at least one olefin selected from ethylene and C4-C10 alpha-olefins, with the proviso that the copolymer comprises at least about 80 weight percent of repeating units derived from propylene;
- about 1 to about 20 weight percent of a hydrogenated block copolymer of alkenyl aromatic compound and a conjugated diene, wherein the hydrogenated block copolymer has an alkenyl aromatic content of about 40 to about 90 weight percent, and wherein the hydrogenated block copolymer comprises a styrene-(ethylene-butylene)-styrene triblock copolymer;
- about 1 to about 20 weight percent of an unhydrogenated block copolymer of an alkenyl aromatic compound and a conjugated diene;
- and
- about 0.5 to about 15 weight percent of a polypropylene-polystyrene graft copolymer;
- wherein all weight percents are based on the total weight of the composition.
6 more elements
A thermoplastic composition, comprising:
- about 10 to about 59 weight percent of a poly(arylene ether);
- about 1 to about 46 weight percent of a poly(alkenyl aromatic) resin;
- about 1 to about 20 weight percent of an unhydrogenated block copolymer of alkenyl aromatic compound and a conjugated diene;
- about 10 to about 70 weight percent of a propylene polymer;
- wherein the propylene polymer is a homopolymer of polypropylene, or a random, graft, or block copolymer of propylene and at least one olefin selected from ethylene and C4-C10 alpha-olefins, with the proviso that the copolymer comprises at least about 80 weight percent of repeating units derived from propylene;
- about 1 to about 20 weight percent of an ethylene/alpha-olefin elastomeric copolymer;
- about 1 to about 20 weight percent of a hydrogenated block copolymer of alkenyl aromatic compound and a conjugated diene, wherein the hydrogenated block copolymer has an alkenyl aromatic content of about 40 to about 90 weight percent, and wherein the hydrogenated block copolymer comprises a styrene-(ethylene-butylene)-styrene triblock copolymer;
- and
- about 0.5 to about 15 weight percent of a polypropylene-polystyrene graft copolymer;
- wherein all weight percents are based on the total weight of the composition.
7 more elements
A thermoplastic composition, comprising the reaction product of:
- a poly(arylene ether);
- a poly(alkenyl aromatic) resin in an amount of at least about 30 weight percent of the total of the poly(arylene ether) and the poly(alkenyl aromatic) resin;
- a propylene polymer;
- wherein the propylene polymer is a homopolymer of polypropylene, or a random, graft, or block copolymer of propylene and at least one olefin selected from ethylene and C4-C10 alpha-olefins, with the proviso that the copolymer comprises at least about 80 weight percent of repeating units derived from propylene;
- and wherein the composition comprises about 10 to about 70 weight percent of the propylene polymer;
- a hydrogenated block copolymer of an alkenyl aromatic compound and a conjugated diene, wherein the hydrogenated block copolymer has an alkenyl aromatic content of about 40 to about 90 weight percent, and wherein the hydrogenated block copolymer comprises a styrene-(ethylene-butylene)-styrene triblock copolymer;
- and
- an unhydrogenated block copolymer of an alkenyl aromatic compound and a conjugated diene.
5 more elements
Dependencies are inferred from the claim text.