Insulated wire and method for producing same
First Claim
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1. A partially crystalline thermoplastic polyamide for use in the preparation of insulated wires through the extrusion of a thermoplastic coating, said polyamide comprising an acid component and an amine component in a ratio of 1:
- 1 to 1;
1.1, wherein said acid component is terephthalic acid or a functional derivative thereof, and said amine component consists of hexamethylenediamine and isophoronediamine, said isophoronediamine comprising at least 5 Mol % of the total amine component.
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Abstract
A partially crystalline thermoplastic polyamide for use in the preparation of insulated wires through the extrusion of a thermoplastic coating, consisting of terephthalic acid or a functional derivative thereof, hexamethylenediamine and isophoronediamine; also disclosed are a process for the preparation of insulated wires using the above polyamine; and an insulated wire employing such polyamide as the thermoplastic coating.
12 Citations
8 Claims
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1. A partially crystalline thermoplastic polyamide for use in the preparation of insulated wires through the extrusion of a thermoplastic coating, said polyamide comprising an acid component and an amine component in a ratio of 1:
- 1 to 1;
1.1, wherein said acid component is terephthalic acid or a functional derivative thereof, and said amine component consists of hexamethylenediamine and isophoronediamine, said isophoronediamine comprising at least 5 Mol % of the total amine component. - View Dependent Claims (2, 3, 4, 5)
- 1 to 1;
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6. A process for the preparation of insulated wires through the extrusion of a thermoplastic coating, involving the use of a partially crystalline thermoplastic polyamide, said polyamide comprising an acid component and an amine component in a ratio of 1:
- 1 to 1;
1.1, wherein said acid component is terephthalic acid or a functional derivative thereof, and said amine component consists of hexamethylenediamine and isophoronediamine, said isophoronediamine comprising at least 5 Mol % of the total amine component, said process comprising passing a conductor wire through a coating zone of an extruder to coat said wire; and
treating said wire to regulate the thickness of the applied coating. - View Dependent Claims (7)
- 1 to 1;
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8. An insulated wire having an extruded thermoplastic coating of a partially crystalline thermoplastic polyamide, said polyamide comprising an acid component and an amine component in a ratio of 1:
- 1 to 1;
1.1, wherein said acid component is terephthalic acid or a functional derivative thereof, and said amine component consists of hexamethylenediamine and isophoronediamine, said isophoronediamine comprising at least 5 Mol % of the total amine component.
- 1 to 1;
Specification