Flexible poly(arylene ether)composition and articles thereof
View Patent ↗A flexible thermoplastic composition comprises poly(arylene ether); a plasticizer having an affinity for polyolefin; a polyolefin and a hydrogenated block copolymer of an alkenyl aromatic compound and a conjugated diene, wherein the polyolefin comprises (i) an ethylene/C 7 -C 20 alpha olefin copolymer having an alpha olefin content greater than or equal to about 10%, (ii) a thermoplastic vulcanizate (iii) a combination of linear low density polyethylene and a thermoplastic vulcanizate, (iv) a combination of an ethylene/C 7 -C 20 alpha olefin copolymer having an alpha olefin content greater than or equal to about 10%, a linear low density polyethylene, and a thermoplastic vulcanizate, (v) a combination of an ethylene/C 7 -C 20 alpha olefin copolymer having an alpha olefin content greater than or equal to about 10% and a thermoplastic vulcanizate or (vi) a combination of an ethylene/C 7 -C 20 alpha olefin copolymer having an alpha olefin content greater than or equal to about 10% and linear low density polyethylene.
1. A flexible coated wire comprising a conductive wire and a flexible thermoplastic composition coating or sheath wherein the flexible thermoplastic composition comprises:
poly(arylene ether);
a plasticizer having an affinity for polyolefin;
a polyolefin; and
a hydrogenated block copolymer of an alkenyl aromatic compound and a conjugated diene,
wherein the polyolefin comprises
(i) an ethylene/C 7 -C 20 alpha olefin copolymer having an alpha olefin content greater than or equal to about 10%,
(ii) a thermoplastic vulcanizate;
(iii) a combination of linear low density polyethylene and a thermoplastic vulcanizate,
(iv) a combination of an ethylene/C 7 -C 20 alpha olefin copolymer having an alpha olefin content greater than or equal to about 10%, a linear low density polyethylene, and a thermoplastic vulcanizate,
(v) a combination of an ethylene/C 7 -C 20 alpha olefin copolymer having an alpha olefin content greater than or equal to about 10% and a thermoplastic vulcanizate or
(vi) a combination of an ethylene/C 7 -C 20 alpha olefin copolymer having an alpha olefin content greater than or equal to about 10% and linear low density polyethylene.
2. A flexible cable comprising:
a flexible coated wire comprising a conductive wire and a flexible thermoplastic composition coating or sheath; and
a plug/SR, wherein the flexible thermplastic composition comprises:
poly(arylene ether);
a plasticizer having an affinity for polyolefin;
a polyolefin; and
a hydrogenated block copolymer of an alkenyl aromatic compound and a conjugated diene,
wherein the polyolefin comprises
(i) an ethylene/C 7 -C 20 alpha olefin copolymer having an alpha olefin content greater than or equal to about 10%,
(ii) a thermoplastic vulcanizate;
(iii) a combination of linear low density polyethylene and a thermoplastic vulcanizate,
(iv) a combination of an ethylene/C 7 -C 20 alpha olefin copolymer having an alpha olefin content greater than or equal to about 10%, a linear low density polyethylene, and a thermoplastic vulcanizate,
(v) a combination of an ethylene/C 7 -C 20 alpha olefin copolymer having an alpha olefin content greater than or equal to about 10% and a thermoplastic vulcanizate or
(vi) a combination of an ethylene/C 7 -C 20 alpha olefin copolymer having an alpha olefin content greater than or equal to about 10% and linear low density polyethylene.
3. The flexible cable of claim 2 wherein the plug/SR comprises a poly(arylene ether) composition.
4. The flexible cable of claim 2 wherein the plug/SR comprises:
about 5 to about 50 weight percent poly(arylene ether);
0 to about 50 weight percent poly(alkenyl aromatic) resin;
about 1 to about 50 weight percent of a first hydrogenated block copolymer of an alkenyl aromatic compound and a conjugated diene having an alkenyl aromatic compound content greater than or equal to 25% by weight based on the weight of the hydrogenated block copolymer;
about 1 to about 50 weight percent of a second hydrogenated block copolymer of an alkenyl aromatic compound and a conjugated diene having an alkenyl aromatic compound content less than 25% by weight based on the weight of the hydrogenated block copolymer;
about 1 to about 50 weight percent mineral oil; and
about 3 to about 50 weight percent of a non-halogenated flame retardant.
5. The flexible coated wire of claim 1 , wherein the flexible thermoplastic composition has a Shore A value of about 75 to about 95 as determined by ASTM D 2240.
6. The flexible coated wire of claim 1 , wherein the flexible thermoplastic composition has a tensile strength greater than or equal to 7 megapascals as determined by ASTM D638.
7. The flexible coated wire of claim 1 , wherein the flexible thermoplastic composition has a tensile elongation greater than or equal to about 150% as determined by ASTM D638.
8. The flexible coated wire of claim 1 , wherein the flexible thermoplastic composition has a flexural modulus of less than or equal to about 80,000 PSI as determined by ASTM D790.
9. The flexible coated wire of claim l, wherein the poly(arylene ether) is present in the flexible thermoplastic composition in an amount of about 10 to about 45 weight percent, based on the total weight of the composition.
10. The flexible coated wire of claim 1 , wherein the hydrogenated block copolymer of an alkenyl aromatic compound and a conjugated diene is present in the flexible thermoplastic composition in an amount of about 3 to about 35, based on the total weight of the composition.
11. The flexible coated wire of claim 1 , wherein the plasticizer is present in the flexible thermoplastic composition in an amount of about 5 to about 35 based on the total weight of the composition.
12. The flexible coated wire of claim 1 , wherein the hydrogenated block copolymer of an alkenyl aromatic compound and a conjugated diene is a styrene-(ethylene-butylene)-styrene triblock copolymer.
13. The flexible coated wire of claim 1 , wherein the plasticizer comprises an alkylated phosphoric acid ester compound.
14. The flexible coated wire of claim 1 , wherein the plasticizer is butylated triphenyl phosphate.
15. The flexible coated wire of claim 1 , wherein the ethylene/C 7 -C 20 alpha olefin copolymer has a molecular weight distribution less than or equal to about 4.
16. The flexible coated wire of claim 1 , wherein the linear low density polyethylene has a density of about 0.91 to about 0.93 g/cm 3 .
17. The flexible coated wire of claim 1 , wherein the linear low density polyethylene has less than 5 weight percent alpha olefin based on the total weight of the linear low density polyethylene.
18. The flexible coated wire of claim 1 , wherein the thermoplastic vulcanizate comprises a rubber that is at least partly vulcanized and has a gel content of about 60 and about 100%.
19. The flexible coated wire of claim 1 , wherein the polyolefin is an ethylene/C 7 -C 20 alpha olefin copolymer having an alpha olefin content greater than or equal to about 10% and the polyolefin is present in an amount of about 10 to about 60% based on the total weight of the composition.
20. The flexible coated wire of claim 1 , wherein the polyolefin is a combination of linear low density polyethylene and a thermoplastic vulcanizate and the linear low density polyethylene is present in an amount of about 5 to about 35% based on the total weight of the composition and the thermoplastic vulcanizate is present in an amount of about 5 to about 45% on the total weight of the composition.
21. The flexible coated wire of claim 1 , wherein the polyolefin is a combination of an ethylene/C 7 -C 20 alpha olefin copolymer having an alpha olefin content greater than or equal to about 10%, a linear low density polyethylene, and a thermoplastic vulcanizate and the an ethylene/C 7 -C 20 alpha olefin copolymer is present in an amount of about 5 to about 45% based on the total weight of the composition, the linear low density polyethylene is present in an amount of up to about 30% based on the total weight of the composition and the thermoplastic vulcanizate is present in an amount of up to about 30% based on the total weight of the composition.
22. The flexible coated wire of claim 1 , wherein the polyolefin is a combination of an ethylene/C 7 -C 20 alpha olefin copolymer having an alpha olefin content greater than or equal to about 10% and a thermoplastic vulcanizate and the ethylene/C 7 -C 20 alpha olefin copolymer is present in an amount of about 5 to about 50% based on the total weight of the composition and the thermoplastic vulcanizate is present in an amount of up to about 45% based on the total weight of the composition.
23. The flexible coated wire of claim 1 , wherein the polyolefin is a combination of an ethylene/C 7 -C 20 alpha olefin copolymer having an alpha olefin content greater than or equal to about 10% and linear low density polyethylene and the ethylene/C 7 -C 20 alpha olefin copolymer is present in an amount of about 5 to about 50% based on the total weight of the composition and the linear low density polyethylene is present in an amount of up to about 30% based on the total weight of the composition.