High-heat-resistance insulating composite and preparation method thereof
An insulating material and high heat-resistant technology, applied in the direction of organic insulators, plastic/resin/wax insulators, etc., can solve the problems of affecting the service life of power cables, corrosion resistance, high heat resistance, etc., and achieve strong breakdown resistance, Effect of improving elasticity and toughness, good electrical performance
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Embodiment 1
[0017] The proportion of ingredients used is: 30 parts of epoxy resin, 10 parts of polytetrafluoroethylene, 10 parts of polypropylene reinforcing fiber, 4 parts of silicon micropowder, 10 parts of nano-zinc oxide, 10 parts of nano-calcium carbonate, and 3 parts of silane coupling agent , 10 parts of nanometer aluminum oxide, 5 parts of dibenzoyl peroxide and 7 parts of plasticizer.
[0018] In this embodiment, the plasticizer is a mixture of dioctyl phthalate and dioctyl adipate.
[0019] In this embodiment, the polytetrafluoroethylene is polytetrafluoroethylene micropowder with a particle size of 3 microns.
[0020] The preparation method of the present embodiment comprises the following steps:
[0021] A. Mix epoxy resin, polytetrafluoroethylene, polypropylene reinforcing fiber, and silicon micropowder into the mixer for high-speed stirring. The stirring rate is 4000 rpm, and the stirring time is 10 minutes, and then the A mixture is obtained;
[0022] B. Add nano-zinc oxi...
Embodiment 2
[0026] The proportion of ingredients used is: 32 parts of epoxy resin, 12 parts of polytetrafluoroethylene, 12 parts of polypropylene reinforcing fiber, 5 parts of silicon micropowder, 15 parts of nano-zinc oxide, 11 parts of nano-calcium carbonate, 4 parts of silane coupling agent , 12 parts of nano aluminum oxide, 6 parts of dibenzoyl peroxide and 8 parts of plasticizer.
[0027] In this embodiment, the plasticizer is a mixture of dioctyl phthalate and dioctyl adipate.
[0028] In this embodiment, the polytetrafluoroethylene is polytetrafluoroethylene micropowder with a particle size of 4 microns.
[0029] The preparation method of the present embodiment comprises the following steps:
[0030] A. Mix epoxy resin, polytetrafluoroethylene, polypropylene reinforcing fiber, and silicon micropowder into the mixer for high-speed stirring. The stirring rate is 4200 rpm, and the stirring time is 14 minutes, and then the A mixture is obtained;
[0031] B. Add nano-zinc oxide, nano-...
Embodiment 3
[0035] The proportion of ingredients used is: 40 parts of epoxy resin, 20 parts of polytetrafluoroethylene, 20 parts of polypropylene reinforcing fiber, 10 parts of silicon micropowder, 25 parts of nano-zinc oxide, 15 parts of nano-calcium carbonate, and 8 parts of silane coupling agent , 20 parts of nano aluminum oxide, 10 parts of dibenzoyl peroxide and 12 parts of plasticizer.
[0036] In this embodiment, the plasticizer is a mixture of dioctyl phthalate and dioctyl adipate.
[0037] In this embodiment, the polytetrafluoroethylene is polytetrafluoroethylene micropowder with a particle size of 6 microns.
[0038] The preparation method of the present embodiment comprises the following steps:
[0039] A. Mix epoxy resin, polytetrafluoroethylene, polypropylene reinforcing fiber, and silicon micropowder into the mixer for high-speed stirring. The stirring rate is 5000 rpm, and the stirring time is 30 minutes, and then the A mixture is obtained;
[0040] B. Add nano-zinc oxide...
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