Novel busbar and manufacturing method thereof
A busbar, a new type of technology, used in coatings, fire-retardant coatings, epoxy resin coatings, etc., can solve problems such as hidden dangers in the safety of power equipment, achieve good flame retardant effect, suppress smoke generation, and improve thermal conductivity.
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Embodiment 1
[0020] A new type of busbar provided in this embodiment includes a busbar body, and the surface of the busbar body is sequentially provided with an inner flame retardant coating, a heat absorbing layer and an outer flame retardant coating.
[0021] The coating of the inner flame retardant coating includes the following components by weight: 65 parts of toluene diisocyanate, 45 parts of polyether glycol, 10 parts of polydimethylsiloxane, 8 parts of epoxy resin, tin oxide 2 parts with tricobalt tetroxide, 3 parts of graphene, 3 parts of ammonium polyphosphate, 1 part of melamine, 4 parts of pentaerythritol, 2 parts of diethyltoluenediamine, 2 parts of trimethylolpropane, and 3 parts of dibutyltin dilaurate.
[0022] The coating preparation method of the inner flame retardant coating is as follows:
[0023] S1, mix toluene diisocyanate and polyether diol evenly;
[0024] S2. Add dibutyltin dilaurate, heat to 75°C, stir at a low speed of 150r / min, react for 0.5h, and cool to room...
Embodiment 2
[0030] A new type of busbar provided in this embodiment includes a busbar body, and the surface of the busbar body is sequentially provided with an inner flame retardant coating, a heat absorbing layer and an outer flame retardant coating.
[0031] The paint of the inner flame retardant coating comprises the following components by weight: 75 parts of toluene diisocyanate, 50 parts of polyether glycol, 11 parts of polydimethylsiloxane, 9 parts of epoxy resin, tin oxide 3 parts with cobalt tetraoxide, 5 parts of graphene, 4 parts of ammonium polyphosphate, 1.5 parts of melamine, 5 parts of pentaerythritol, 2.5 parts of diethyltoluenediamine, 3 parts of trimethylolpropane, and 3.5 parts of dibutyltin dilaurate.
[0032] The coating preparation method of the inner flame retardant coating is as follows:
[0033] S1, mix toluene diisocyanate and polyether diol evenly;
[0034] S2. Add dibutyltin dilaurate, heat to 75°C, stir at a low speed of 150r / min, react for 0.8h, and cool to ...
Embodiment 3
[0040] A new type of busbar provided in this embodiment includes a busbar body, and the surface of the busbar body is sequentially provided with an inner flame retardant coating, a heat absorbing layer and an outer flame retardant coating.
[0041] The paint of the inner flame retardant coating comprises the following components by weight: 80 parts of toluene diisocyanate, 55 parts of polyether glycol, 12 parts of polydimethylsiloxane, 10 parts of epoxy resin, tin oxide 4 parts with tricobalt tetroxide, 6 parts of graphene, 5 parts of ammonium polyphosphate, 2 parts of melamine, 6 parts of pentaerythritol, 3 parts of diethyltoluenediamine, 4 parts of trimethylolpropane, and 4 parts of dibutyltin dilaurate.
[0042] The coating preparation method of the inner flame retardant coating is as follows:
[0043] S1, mix toluene diisocyanate and polyether diol evenly;
[0044] S2. Add dibutyltin dilaurate, heat to 75°C, stir at a low speed of 150r / min, react for 1.0h, and cool to roo...
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