Cable insulating layer material with excellent thermal stability and preparation method thereof
A technology for thermal stability and cable insulation, which is applied in the direction of organic insulators, rubber insulators, plastic/resin/wax insulators, etc., can solve the problems that cannot be completed in practical applications, and achieve improved thermal stability and insulation, good plasticity, and raw materials Easy to get effect
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Embodiment 1
[0021] A cable insulating layer material with excellent thermal stability proposed by the present invention comprises the following raw materials in parts by weight: 55 parts of high-density polyethylene resin, 19 parts of novolac epoxy resin, 20 parts of ethylene-propylene rubber, 45 parts of styrene-butadiene rubber, 26 parts of carbon black, 18 parts of talcum powder, 6 parts of microencapsulated red phosphorus, 10 parts of aluminum hydroxide, 18 parts of sulfur, 8 parts of dibutyl phthalate, 10 parts of dioctyl phthalate, salicylic acid 6 parts of acid, 5 parts of diethylenetriamine, 12 parts of tocopherol, 15 parts of a mixture of calcium soap and diketone.
[0022] Its preparation method comprises the following steps:
[0023] S1. Put the ethylene-propylene rubber and styrene-butadiene rubber of the specific gravity into a rubber vulcanization tank, add the sulfur and salicylic acid of the specific gravity, and heat at a high temperature of 175° C. for 7 hours to obtain ...
Embodiment 2
[0030] A cable insulating layer material with excellent thermal stability proposed by the present invention comprises the following raw materials in parts by weight: 38 parts of high-density polyethylene resin, 15 parts of novolac epoxy resin, 17 parts of ethylene-propylene rubber, 40 parts of styrene-butadiene rubber, 28 parts of carbon black, 15 parts of talcum powder, 4 parts of microencapsulated red phosphorus, 8 parts of aluminum hydroxide, 18 parts of sulfur, 10 parts of dibutyl phthalate, 10 parts of dioctyl phthalate, salicylic acid 5 parts of acid, 6 parts of diethylenetriamine, 10 parts of tocopherol, 12 parts of a mixture of calcium soap and diketone.
[0031] Its preparation method comprises the following steps:
[0032] S1. Put the ethylene-propylene rubber and styrene-butadiene rubber of the specific gravity into a rubber vulcanization tank, add the sulfur and salicylic acid of the specific gravity, and heat at a high temperature of 160° C. for 8 hours to obtain ...
Embodiment 3
[0039] A cable insulating layer material with excellent thermal stability proposed by the present invention comprises the following raw materials in parts by weight: 50 parts of high-density polyethylene resin, 18 parts of novolac epoxy resin, 16 parts of ethylene-propylene rubber, 35 parts of styrene-butadiene rubber, 22 parts of carbon black, 10 parts of talcum powder, 3 parts of microencapsulated red phosphorus, 12 parts of aluminum hydroxide, 15 parts of sulfur, 8 parts of dibutyl phthalate, 6 parts of dioctyl phthalate, salicylic acid 2 parts of acid, 7 parts of diethylenetriamine, 8 parts of tocopherol, 10 parts of a mixture of calcium soap and diketone.
[0040] Its preparation method comprises the following steps:
[0041] S1. Put the ethylene-propylene rubber and styrene-butadiene rubber of the specific gravity into a rubber vulcanization tank, add the sulfur and salicylic acid of the specific gravity, and heat at a high temperature of 190° C. for 6 hours to obtain a ...
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