Irradiation-crosslinked halogen-free flame-retardant photovoltaic cable, and preparation method and application thereof
A photovoltaic cable, irradiation technology, applied in the direction of insulated cables, cables, circuits, etc., can solve the problems of poor weather resistance, complex production process, short service life, etc., to achieve excellent product mechanical properties and weather resistance, simple production process, color High stability effect
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[0039] The preparation method of the radiation crosslinked halogen-free flame-retardant photovoltaic cable includes the following steps:
[0040] 1) Add all the raw materials to a high-speed mixer, mix and mix, then add a compact granulator, extrude at 100-140°C, wire drawing, air cooling, and pelletizing to obtain insulation layer cable material;
[0041] 2) Add the raw materials to the high-speed mixer, mix and mix, then add the compact granulator, extrude at 100~140℃, wire drawing, air cooling, and pelletizing to obtain the sheath layer cable material;
[0042] 3) Add the conductive core wire, insulating layer cable material and sheath layer cable material into the double-layer co-extruder, co-extrude at 100~150℃, and then carry out irradiation crosslinking. The irradiation dose is 3~8Mrad to obtain the radiation Photo cross-linked halogen-free flame retardant photovoltaic cable.
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[0044] Example 1:
[0045] A radiation cross-linked halogen-free flame-retardant photovoltaic cable, the raw material composition of the insulation layer and sheath layer is shown in Table 1:
[0046] Table 1 The raw material composition of the insulating layer and sheath layer of a radiation cross-linked halogen-free flame-retardant photovoltaic cable
[0047]
Example Embodiment
[0048] Example 2:
[0049] A radiation cross-linked halogen-free flame-retardant photovoltaic cable, the raw material composition of the insulating layer and sheath layer is shown in Table 2:
[0050] Table 2 The raw material composition table of the insulation layer and sheath layer of a radiation cross-linked halogen-free flame-retardant photovoltaic cable
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