Polysilicon ceramic high-temperature-resistant and corrosion-resistant coating and preparation method thereof
An anti-corrosion coating and high-temperature-resistant technology, which is applied in anti-corrosion coatings, fire-proof coatings, epoxy resin coatings, etc., can solve the problems of poor temperature resistance of anti-corrosion coatings, achieve the effects of preventing intrusion, simple process, and avoiding the generation of oxidized lattices
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[0031] The preparation method of polysilicon ceramic high temperature resistant anticorrosion coating provided by the invention comprises the following steps:
[0032] Step S110: stirring the modified graphene and polysilane-modified epoxy resin to obtain a resin mixture, wherein the mass fraction ratio of the modified graphene to polysilane-modified epoxy resin is 0.5%-5% ;
[0033] Specifically, the resin mixture is obtained after stirring the modified graphene and the polysilane-modified epoxy resin, wherein the mass fraction ratio of the monolayer boron nitride to the polysilane-modified epoxy resin is 0.5%- In the step of 5%, the stirring speed is 1000-1500rpm, and the stirring time is 1-2h.
[0034] In some preferred embodiments, the modified graphene is prepared by the following method:
[0035] Step S111: mixing graphene oxide, ethylenediamine, and PEG to obtain a dispersed PEG-grafted graphene oxide amination product;
[0036] In some preferred embodiments, wherein...
Embodiment 1
[0049]Add 1g of modified graphene to 50g of polysilane-modified epoxy resin, stir at 1500rpm for 1h to disperse, then add 50g of sheet-layer zirconia, 50g of sheet-layer zinc oxide, and stir for 1h at 1000rpm; obtain polysilicon ceramics resistant to high temperature and anticorrosion Coating component A: Mix component A and diethylenetriamine according to the mass ratio of 5:1 to obtain the polysilicon ceramic high temperature resistant anticorrosion coating.
Embodiment 2
[0051] Add 2g of modified graphene to 100g of polysilane-modified epoxy resin, stir at 1000rpm for 2h to disperse, then add 50g of sheet-layer zirconia, 100g of sheet-layer of zinc oxide, and stir for 2h at 1500rpm; obtain polysilicon ceramics with high temperature resistance and anticorrosion Coating component A; component A and diethylenetriamine are mixed according to the mass ratio of 10:1 to obtain the polysilicon ceramic high temperature resistant anti-corrosion coating.
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