Anti-cracking XLPO sheath material for charging cable as well as preparation and application of anti-cracking XLPO sheath material
A charging cable, anti-cracking technology, applied in circuits, electrical components, plastic/resin/wax insulators, etc., can solve problems such as easy cracking, and achieve the effects of low production cost, good processing performance and elasticity, and convenient operation and control
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preparation example Construction
[0072] In the second aspect, a method for preparing the anti-cracking type XLPO sheath material for the charging cable in the first aspect is provided, including the following steps:
[0073] S1. Put all the raw materials into the internal mixer according to the ratio and carry out internal mixing to obtain a molten blend;
[0074] S2. Throwing the molten blend into a single-screw extruder for granulation to obtain granules;
[0075] S3. Throwing the above-mentioned particles into a twin-screw extruder for melt kneading and extruding to obtain extruded materials;
[0076] S4. Cooling and pelletizing the above extruded material, which is the anti-crack XLPO sheath material for the charging cable.
[0077] Wherein, in step S2, the granulation temperature is 140-160°C, such as 140°C, 145°C, 150°C, 155°C, 160°C and any value therebetween.
[0078] In step S3, the extrusion temperature of the twin-screw extruder is 140-160°C, such as 140°C, 145°C, 150°C, 155°C, 160°C and any value ...
Embodiment 1
[0083] A crack-resistant XLPO sheathing material for charging cables, comprising the following raw materials in parts by weight: 10 parts of ethylene-vinyl acetate copolymer, 10 parts of ethylene-acrylate copolymer, 10 parts of polyethylene, polyolefin block copolymer 5 parts, polybutene 5 parts, co-crosslinking agent 3 parts, compatibilizer 5 parts, antioxidant 1 part, dispersant 1 part.
[0084] The mass percent of vinyl acetate of the ethylene-vinyl acetate copolymer is 14-70%; the ethylene-acrylate copolymer is ethylene-methacrylate copolymer EMMA; the polyethylene is linear low-density polyethylene; The auxiliary crosslinking agent is TAIC; the compatibilizer is ethylene-octene copolymer grafted maleic anhydride copolymer; the antioxidant is antioxidant 1035; and the dispersant is polyacrylamide.
[0085] The preparation method of the anti-cracking type XLPO sheath material for the above-mentioned charging cable comprises the following steps:
[0086] S1. Put all the raw...
Embodiment 2
[0091] A crack-resistant XLPO sheathing material for charging cables, comprising the following raw materials in parts by weight: 15 parts of ethylene-vinyl acetate copolymer, 20 parts of ethylene-acrylate copolymer, 15 parts of polyethylene, polyolefin block copolymer 2 parts, 15 parts of polybutene, 4 parts of co-crosslinking agent, 8 parts of compatibilizer, 3 parts of antioxidant, 2 parts of dispersant, 10 parts of aluminum diethylphosphinate, 15 parts of melamine urate, 17 parts of inorganic flame retardant, 3 parts of flame retardant synergist.
[0092] The mass percent of vinyl acetate of the ethylene-vinyl acetate copolymer is 14-70%; the ethylene-acrylate copolymer is ethylene-methyl acrylate copolymer EMA; the polyethylene is linear low-density polyethylene; The auxiliary crosslinking agent is TMPTMA; the compatibilizer is ethylene-propylene copolymer grafted maleic anhydride copolymer; the antioxidant is antioxidant 168; the dispersant is ethylene bis fatty acid amid...
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Abstract
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