A high-performance electric brush and its preparation method
A high-performance brush technology, applied in brush manufacturing, circuits, current collectors, etc., can solve problems such as mechanical sparks, high unit pressure of brushes, and insufficient heat resistance, so as to reduce the risk of friction cracking and excellent durability. Grinding performance, the effect of good electrical performance
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Embodiment 1
[0035] A method for preparing a high-performance electric brush, comprising the following steps:
[0036] (1) Under nitrogen protection, mix ammonium hexachloroiridate, zinc acetate, samarium tricene, ethanol and cyclohexane; then reflux and stir for 2 to 3 hours, then add potassium hydroxide ethanol solution and tert-butyl hydroperoxide ; After reacting for 2 to 3 hours, cool down to room temperature naturally, add ethyl acetate to coagulate and centrifuge; disperse the centrifuged precipitate in ethanol to obtain a dispersion system; add polyvinyl alcohol and hydrogen peroxide to the dispersion system, stir at 50 ° C for 5 hours, and then Add N-isopropylacrylamide and tetraphenylporphyrin iron, stir at 60°C for 2 hours, then add ammonia water and ethyl orthosilicate, reflux and stir for 3 hours, then concentrate to obtain a concentrate with a solid content of 80%; The substance is subjected to high-gravity treatment; then freeze-dried to obtain nanopowder; the rotation speed...
Embodiment 2
[0040] A method for preparing a high-performance electric brush, comprising the following steps:
[0041] (1) Under nitrogen protection, mix ammonium hexachloroiridate, zinc acetate, samarium tricene, ethanol and cyclohexane; then reflux and stir for 2 to 3 hours, then add potassium hydroxide ethanol solution and tert-butyl hydroperoxide ; After reacting for 2 to 3 hours, cool down to room temperature naturally, add ethyl acetate to coagulate and centrifuge; disperse the centrifuged precipitate in ethanol to obtain a dispersion system; add polyvinyl alcohol and hydrogen peroxide to the dispersion system, stir at 50 ° C for 5 hours, and then Add N-isopropylacrylamide and tetraphenylporphyrin iron, stir at 60°C for 2 hours, then add ammonia water and ethyl orthosilicate, reflux and stir for 3 hours, then concentrate to obtain a concentrate with a solid content of 80%; The substance is subjected to high-gravity treatment; then freeze-dried to obtain nanopowder; the rotation speed...
Embodiment 3
[0045] A method for preparing a high-performance electric brush, comprising the following steps:
[0046] (1) Under nitrogen protection, mix ammonium hexachloroiridate, zinc acetate, samarium tricene, ethanol and cyclohexane; then reflux and stir for 2 to 3 hours, then add potassium hydroxide ethanol solution and tert-butyl hydroperoxide ; After reacting for 2 to 3 hours, cool down to room temperature naturally, add ethyl acetate to coagulate and centrifuge; disperse the centrifuged precipitate in ethanol to obtain a dispersion system; add polyvinyl alcohol and hydrogen peroxide to the dispersion system, stir at 50 ° C for 5 hours, and then Add N-isopropylacrylamide and tetraphenylporphyrin iron, stir at 60°C for 2 hours, then add ammonia water and ethyl orthosilicate, reflux and stir for 3 hours, then concentrate to obtain a concentrate with a solid content of 80%; The substance is subjected to high-gravity treatment; then freeze-dried to obtain nanopowder; the rotation speed o...
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