A radiation-proof high flame-retardant special optical cable and its preparation method
A high flame-retardant, radiation-proof technology, applied in the direction of optics, light guides, optical components, etc., can solve the problems of insufficient wear resistance and corrosion resistance, and achieve excellent strength and hardness, superior radiation resistance, and good flame resistance.
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Embodiment 1
[0029] A radiation-proof and highly flame-retardant special optical cable, which includes a single optical cable core, which is successively wrapped with a polyimide insulating layer with a thickness of 30 μm, and two layers of polyetheretherketone flame-resistant polyether ether ketone with a thickness of 0.2 mm. A radiation protection layer, a ceramic fiber protective layer with a thickness of 0.6mm and a carbon fiber / carbon nanotube modified polytetrafluoroethylene / polyether ether ketone layer with a thickness of 0.3mm, wherein the carbon fiber / carbon nanotube The modified polytetrafluoroethylene / polyetheretherketone layer contains 2wt.% carbon fibers with a length of 0.01mm, 0.1wt.% carbon nanotubes and 10wt.% polytetrafluoroethylene and the melt index of polyetheretherketone is 60g / 10min.
[0030] The preparation method is as follows: select a single optical cable core that meets the requirements, coat its surface with a polyimide insulating layer with a thickness of 30 μ...
Embodiment 2
[0033] A radiation-proof high flame-retardant special optical cable, which includes a single optical cable core, which is successively wrapped with a polyimide insulating layer with a thickness of 30 μm, and two layers of polyetheretherketone flame-resistant polyether ether ketone with a thickness of 0.1 mm. Radiation protection layer, one layer of aluminum silicate ceramic fiber protection layer with a thickness of 0.4mm and two carbon fiber / carbon nanotube modified polytetrafluoroethylene / polyetheretherketone layers with a thickness of 0.1mm, wherein the carbon fiber / The polytetrafluoroethylene / polyetheretherketone layer modified by carbon nanotubes contains 1wt.% carbon fiber with a length of 0.03mm, 1wt.% carbon nanotubes and 5wt.% polytetrafluoroethylene and the melting of polyetheretherketone The index is 120g / 10min.
[0034] The preparation method is as follows: select a single optical cable core that meets the requirements, coat its surface with a polyimide insulating...
Embodiment 3
[0037] A radiation-proof high flame-retardant special optical cable, which includes a single optical cable core, which is successively wrapped with a polyimide insulating layer with a thickness of 40 μm, and a single layer of polyether ether ketone with a thickness of 0.2 mm. Radiation layer, a protective layer of aluminum silicate ceramic fiber with a thickness of 0.2mm and a carbon fiber / carbon nanotube modified polytetrafluoroethylene / polyether ether ketone layer with a thickness of 0.6mm, wherein the carbon fiber / carbon The nanotube-modified polytetrafluoroethylene / polyetheretherketone layer contains 5wt.% carbon fibers with a length of 0.07mm, 0.5wt.% carbon nanotubes and 15wt.% polytetrafluoroethylene and the melting of polyetheretherketone The index is 150g / 10min.
[0038] The preparation method is as follows: select a single optical cable core that meets the requirements, coat its surface with a polyimide insulating layer with a thickness of 40 μm, and then coat it wit...
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