Rubber material for sealing ring of transformer and preparation method of rubber material
A technology of rubber materials and sealing rings, applied in building insulation materials, building components, buildings, etc., can solve the problems of low strength and poor wear resistance of gaskets, and achieve improved mechanical strength, high wear resistance, and improved anti-sticking effect Effect
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Embodiment 1
[0023] A rubber material for a transformer sealing ring, made of the following raw materials in parts by weight: 50 parts of nitrile rubber, 20 parts of acrylic rubber, 5 parts of epichlorohydrin rubber, 3 parts of wood fiber, 5 parts of nano-titanium dioxide, and a reinforcing agent 15 parts, 1 part anti-aging agent, 1 part accelerator, 1 part sulfur, 3 parts zinc oxide, 5 parts stearic acid, 3 parts pitch, 1 part chlorinated paraffin, 10 parts plasticizer and 5 parts crosslinking agent.
[0024] The particle size of the nano titanium dioxide is 20-100nm.
[0025] The reinforcing agent is carbon black N330.
[0026] The anti-aging agent is anti-aging agent RD.
[0027] Described accelerator is accelerator M.
[0028] Described plasticizer is dioctyl phthalate.
[0029] The crosslinking agent is benzoyl peroxide.
[0030] The preparation method of the rubber material for the above-mentioned transformer sealing ring comprises the following steps:
[0031] (1) Add nitrile r...
Embodiment 2
[0035] A rubber material for a transformer sealing ring, made of the following raw materials in parts by weight: 52 parts of nitrile rubber, 23 parts of acrylic rubber, 6 parts of epichlorohydrin rubber, 4 parts of wood fiber, 6 parts of nano-titanium dioxide, and a reinforcing agent 18 parts, 2 parts of anti-aging agent, 1.5 parts of accelerator, 1.3 parts of sulfur, 3.2 parts of zinc oxide, 5.5 parts of stearic acid, 3.5 parts of asphalt, 1.2 parts of chlorinated paraffin, 11 parts of plasticizer and 6 parts of crosslinking agent.
[0036] The particle size of the nano titanium dioxide is 20-100nm.
[0037] The reinforcing agent is carbon black N550.
[0038] Described anti-aging agent is anti-aging agent 4020.
[0039] The accelerator is accelerator DM.
[0040] Described plasticizer is dibutyl phthalate.
[0041] The crosslinking agent is 1,3-bis(2-tert-butylperoxyisopropyl)benzene.
[0042] The preparation method of the rubber material for the above-mentioned transfor...
Embodiment 3
[0047]A rubber material for a transformer sealing ring, made of the following raw materials in parts by weight: 55 parts of nitrile rubber, 24 parts of acrylic rubber, 7 parts of epichlorohydrin rubber, 5 parts of wood fiber, 7 parts of nano-titanium dioxide, and a reinforcing agent 20 parts, 2.5 parts of anti-aging agent, 2 parts of accelerator, 1.8 parts of sulfur, 4 parts of zinc oxide, 6 parts of stearic acid, 4 parts of asphalt, 1.6 parts of chlorinated paraffin, 12 parts of plasticizer and 8 parts of crosslinking agent.
[0048] The particle size of the nano titanium dioxide is 20-100nm.
[0049] The reinforcing agent is carbon black N330 and carbon black N550, and the weight ratio of the two is 1:1.
[0050] The anti-aging agent is anti-aging agent MB.
[0051] The accelerator is accelerator NA-22.
[0052] Described plasticizer is di-isooctyl phthalate.
[0053] The crosslinking agent is 1,4-bis-tert-butylperoxycumene.
[0054] The preparation method of the rubber ...
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