Heat-resistant flame-retardant resin composition, insulated electric wire, and tube
A flame retardant resin and composition technology, applied in plastic/resin/wax insulators, insulated cables, insulators, etc., can solve the problems of low cut-through performance, weak intermolecular force, deformation, etc., to reduce production costs and achieve high cut-through performance. performance effect
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Embodiment 1 to 3 and comparative example 1 to 7
[0057] The components shown in Table I or II (expressed in parts by mass in the table) were kneaded with an open mill, and the kneaded mixture was granulated with a granulator. The obtained pellets were then supplied to an extruder for electric wire coating, through which they were then extruded onto a conductor of TA12 / 0.18. Thus, the conductor was covered so that the outer diameter of the insulation was 1.5 mmφ (thickness of the covering layer: 0.375 mm). Then, the obtained covered conductor was irradiated with an electron beam of 100 kGy using an electron beam irradiation apparatus. Thus, an insulated electric wire having an insulating coating composed of the crosslinked resin composition was produced. The tensile properties (tensile strength and tensile elongation), heat resistance, flame retardancy, insulating properties, oil resistance and cut-through properties of the insulated wires produced as described above were evaluated by the methods described below. The result...
Embodiment 4 to 7
[0085] The components shown in Table III (expressed in parts by mass in the table) were kneaded with an open mill, and the kneaded mixture was made into granules with a granulator. The obtained pellets were then supplied to an extruder for electric wire coating, through which they were then extruded onto a conductor of TA12 / 0.18. Thus, the conductor was covered so that the outer diameter of the insulation was 1.5 mmφ (thickness of the covering layer: 0.375 mm). Then, the obtained covered conductor was irradiated with an electron beam of 100 kGy using an electron beam irradiation apparatus. Thus, an insulated electric wire having an insulating coating composed of the crosslinked resin composition was produced. The tensile properties (tensile strength and tensile elongation), flame retardancy, insulating properties, oil resistance and cut-through properties of the insulated wires produced as described above were evaluated by the same methods as in Examples 1 to 3. In addition,...
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Abstract
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