A kind of high flame-retardant composite material for new energy high-voltage line and preparation method thereof
A composite material, high flame retardant technology, used in plastic/resin/wax insulators, electrical components, circuits, etc., can solve the problems affecting other properties, oil resistance, softness can not be guaranteed, etc., to achieve excellent flame retardant performance , The effect of excellent extrusion process performance
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Embodiment 1
[0032] This example provides a high-flame-retardant composite material for new energy high-voltage lines. The raw materials and dosages used are shown in Table 1, where:
[0033] Polyethylene resin: bimodal high-density polyethylene (derived from Borealis, brand FB2230) with a melt index of 0.3g / 10min and high-density polyethylene with a melt index of 12g / 10min (derived from a petrochemical company, brand 2909 ) according to the mass ratio of 1:3 composition.
[0034] Polyolefin elastomer: It is composed of ethylene-octene copolymer with a hardness of 65A and an ethylene-octene copolymer with a hardness of 87A in a mass ratio of 1:1.
[0035] Ethylene-vinyl acetate copolymer: It is composed of EVA with 18% VA content and EVA with 40% VA content in a mass ratio of 1:2.
[0036] Chlorinated polyethylene: Chlorinated polyethylene with a chlorine content of 30%.
[0037] Composite flame retardant: composed of decabromodiphenylethane and antimony trioxide in a mass ratio of 3:1. ...
Embodiment 2
[0044] This example provides a high-flame-retardant composite material for new energy high-voltage lines. The raw materials and dosages used are shown in Table 1. The raw materials other than the following are the same as those in Example 1.
[0045] Polyethylene resin: It is composed of bimodal high-density polyethylene with a melt index of 0.3g / 10min and high-density polyethylene with a melt index of 20g / 10min in a mass ratio of 1:2.
[0046] Polyolefin elastomer: composed of ethylene-octene copolymer with a hardness of 60A and an ethylene-octene copolymer with a hardness of 82A in a mass ratio of 5:3.
[0047] Ethylene-vinyl acetate copolymer: It is composed of EVA with 28% VA content and EVA with 40% VA content in a mass ratio of 1:2.5.
[0048] Chlorinated polyethylene: Chlorinated polyethylene with a chlorine content of 25%.
[0049] Composite flame retardant: composed of decabromodiphenylethane, antimony trioxide and magnesium hydroxide in a mass ratio of 3:1:1.
[00...
Embodiment 3
[0053] This example provides a high flame-retardant composite material for new energy high-voltage lines. The raw materials and dosages used are shown in Table 1. The raw materials other than the following are the same as those in Example 2.
[0054] Ethylene-vinyl acetate copolymer: It is composed of EVA with VA content of 28% and EVA with VA content of 50% in a mass ratio of 1:2.
[0055] Chlorinated polyethylene: Chlorinated polyethylene with a chlorine content of 35%.
[0056] Wear-resistant and flame-retardant synergist: It is composed of polytetrafluoroethylene powder, silicon dioxide, and talcum powder in a mass ratio of 0.2:2.5:6.
[0057] Antioxidant: It is composed of antioxidant 1035, antioxidant 1024, antioxidant 1010, and antioxidant DLTP in a mass ratio of 2:1:1:0.5.
[0058] The preparation process of the high flame-retardant composite material is the same as in Example 2.
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