A kind of conductive coating for picture tube and preparation method thereof
A technology of conductive coatings and kinescopes, applied in conductive coatings, polyester coatings, coatings, etc., can solve the problems of low antistatic and electromagnetic wave shielding performance, achieve static electricity shielding electromagnetic waves, good electrical performance, and good coating performance Effect
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Embodiment 1
[0010] The present embodiment provides a conductive coating for a picture tube, which contains the following components in parts by mass: 18 parts of graphite, 12 parts of alkyd resin, 50 parts of magnesium oxide, 80 parts of silica sol, 14.5 parts of vinylbenzenesulfonic acid, carboxymethyl fiber 12 parts of plain sodium, 5 parts of kaolinite, 10 parts of polyester silicone resin, 4 parts of lauryl amidopropyl dimethylamine, 56 parts of water.
[0011] The preparation steps of a conductive coating for a picture tube are as follows: add graphite, magnesia, silica sol and kaolinite into a high-speed mixer, stir and mix for 5 minutes to obtain a mixture, and mix the mixture with alkyd resin, lauryl amidopropyl dimethyl Add amine, ethylene benzene sulfonic acid, sodium carboxymethyl cellulose, polyester silicone resin, and water into the reaction kettle and stir for 4 hours. After mixing evenly, treat it with a ball mill for 12 hours, and then discharge and sieve to obtain the fin...
Embodiment 2
[0014] The present embodiment provides a conductive coating for a picture tube, which contains the following components in parts by mass: 6 parts of graphite, 5 parts of alkyd resin, 38 parts of magnesium oxide, 65 parts of silica sol, 7.5 parts of vinylbenzenesulfonic acid, carboxymethyl fiber 5 parts of plain sodium, 3 parts of kaolinite, 6 parts of polyester silicone resin, 2 parts of lauryl amidopropyl dimethylamine, 42 parts of water.
[0015] The preparation steps of a conductive coating for a picture tube are as follows: add graphite, magnesia, silica sol and kaolinite into a high-speed mixer, stir and mix for 3 minutes to obtain a mixture, and mix the mixture with alkyd resin, lauryl amidopropyl dimethyl Add amine, ethylene benzene sulfonic acid, sodium carboxymethyl cellulose, polyester silicone resin, and water into the reaction kettle and stir for 3 hours. After mixing evenly, treat it with a ball mill for 8 hours, and then discharge and sieve to obtain the finished ...
Embodiment 3
[0018] The present embodiment provides a conductive coating for picture tubes, which contains the following components in parts by mass: 12 parts of graphite, 8.5 parts of alkyd resin, 44 parts of magnesium oxide, 72 parts of silica sol, 11 parts of vinylbenzenesulfonic acid, carboxymethyl fiber 8.5 parts of plain sodium, 4 parts of kaolinite, 8 parts of polyester silicone resin, 3 parts of lauryl amidopropyl dimethylamine, 49 parts of water.
[0019] The preparation steps of a conductive coating for a picture tube are as follows: add graphite, magnesia, silica sol and kaolinite into a high-speed mixer, stir and mix for 4 minutes to obtain a mixture, and mix the mixture with alkyd resin, lauryl amidopropyl dimethyl Add amine, ethylene benzene sulfonic acid, sodium carboxymethyl cellulose, polyester silicone resin, and water into the reaction kettle and stir for 3.5 hours. After mixing evenly, treat it with a ball mill for 10 hours, and then discharge and sieve to obtain the fin...
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Abstract
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