The invention discloses a liquid crystal instrument for an electric vehicle, wherein a sealant is arranged at multiple positions of the liquid crystal instrument; the sealant comprises the following components in parts by weight: 2-3 parts of argil, 1-2 parts of abietic acid polyoxyethylene ester, 2-3 parts of bisphenol F diglycidyl ether, 17 parts of nitrile rubber, 3-4 parts of fumed silica, 1-2 parts of CTBN modified epoxy resin, 2-3 parts of 2, 2, 4-trimethyl-1, 2-dihydro-quinoline polymer, 1-2 parts of antioxidant 1010, 3-4 parts of vinyl trimethoxy silane and 1-2 parts of fatty alcohol ether sodium sulphate. The liquid crystal instrument for electric vehicle has double protection of inner shell and outer shell, the sealant at multiple parts of the liquid crystal instrument, the long-time waterproof and moisture-proof property of the interior of the outer shell is ensured, particularly, the long-time waterproof and moisture-proof property of inner part of the inner shell is guaranteed, the and long-time waterproof and moisture-proof property of a liquid crystal display control circuit board is guaranteed. The sealant can resist high temperature of 74 DEG C and can resist the low temperature of minus 22 DEG C.
Liquid crystal instrument for electric vehicle
2015-04-29
Patent
Electronic Resource
English
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