Flexible, uv-resistant poly(phenylene ether) composition, and insulated conductor and jacketed cable comprising same
AssigneeSabic Global Technologies B.V.
InventorsHui Peng, Wei Shan
Life of this patent
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Abstract
A composition contains specific amounts of a poly(phenylene ether), a hydrogenated block copolymer of an alkenyl aromatic monomer and a conjugated diene, a flame retardant that includes an organophosphate ester with a melting point of 60 to 150° C., and an ultraviolet absorbing agent. The high-melting organophosphate ester permits reduction of the ultraviolet absorbing agent content, which in turn reduces color shift under storage conditions. The composition is useful as an insulating material and a jacketing material for wire and cable.
Claims17
A composition, comprising:
- 15 to 40 parts by weight of a poly(phenylene ether);
- 20 to 50 parts by weight of a hydrogenated block copolymer of an alkenyl aromatic monomer and a conjugated diene;
- 5 to 30 parts by weight of a flame retardant comprising 3 to 15 parts by weight of an organophosphate ester having a melting point of 60 to 150° C.;
- and
- 0.5 to 5 parts by weight of an ultraviolet absorbing agent;
- wherein all parts by weight are based on 100 parts by weight total of polymers and flame retardants.
An insulated conductor, comprising:
- a conductor;
- and
- an insulating covering disposed over the conductor;
- wherein the insulating covering comprises a composition comprising
- 15 to 40 parts by weight of a poly(phenylene ether);
- 20 to 50 parts by weight of a hydrogenated block copolymer of an alkenyl aromatic monomer and a conjugated diene;
- 5 to 30 parts by weight of a flame retardant comprising 3 to 15 parts by weight of an organophosphate ester having a melting point of 60 to 150° C.;
- and
- 0.5 to 5 parts by weight of an ultraviolet absorbing agent;
- wherein all parts by weight are based on 100 parts by weight total of polymers and flame retardants.
A jacketed cable, comprising:
- a conductor;
- an insulating covering surrounding the conductor;
- and
- a jacket surrounding the insulating covering;
- wherein the jacket comprises a composition comprising
- 15 to 40 parts by weight of a poly(phenylene ether);
- 20 to 50 parts by weight of a hydrogenated block copolymer of an alkenyl aromatic monomer and a conjugated diene;
- 5 to 30 parts by weight of a flame retardant comprising 3 to 15 parts by weight of an organophosphate ester having a melting point of 60 to 150° C.;
- and
- 0.5 to 5 parts by weight of an ultraviolet absorbing agent;
- wherein all parts by weight are based on 100 parts by weight total of polymers and flame retardants.
Dependencies are inferred from the claim text.