Composite material, waterborne anticorrosive paint and preparation method thereof
A technology of composite materials and anti-corrosion coatings, applied in the direction of anti-corrosion coatings, coatings, etc., can solve the problems of poor anti-corrosion performance, not easy to control, etc., achieve good compactness, not easy to coat holes and penetration, and improve corrosion resistance Effect
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Embodiment 1
[0081] An embodiment of the present invention provides an anti-corrosion material, the anti-corrosion material is g-C 3 N 4 / Modified sepiolite composite material, and g-C 3 N 4 The mass ratio to modified sepiolite is 1:0.5.
[0082] g-C above 3 N 4 Prepared with modified sepiolite by the following method:
[0083] Step a, with 1g g-C 3 N 4 Dissolve in methanol to prepare g-C with a concentration of 0.65mg / mL 3 N 4 Dispersions;
[0084] Step b, dissolve 0.5 g of sepiolite purified by natural sedimentation in propanol, prepare a sepiolite dispersion with a concentration of 3 wt %, then add 1.5 g of sodium dodecylbenzenesulfonate, and dissolve at 60° C. Condensate and reflux for 8 hours under the conditions of condensing, filtering, washing with propanol, drying at 35°C, and ball milling through a 200-mesh sieve to obtain modified sepiolite;
[0085] Step c, adding the modified sepiolite and 0.03g sodium dodecylbenzenesulfonate to the g-C 3 N 4 In the dispersion li...
Embodiment 2
[0088] An embodiment of the present invention provides an anti-corrosion material, the anti-corrosion material is g-C 3 N 4 / Modified sepiolite composite material, and g-C 3 N 4 The mass ratio to modified sepiolite is 1:1.
[0089] g-C above 3 N 4 Prepared with modified sepiolite by the following method:
[0090] Step a, with 1g g-C 3 N 4 Dissolved in butanol to prepare g-C with a concentration of 0.3mg / mL 3 N4 Dispersions;
[0091] Step b, dissolving 1g of sepiolite purified by natural sedimentation in butanol, preparing a sepiolite dispersion with a concentration of 4wt%, then adding 2.2g sodium dodecylbenzenesulfonate, at 64°C Condensate and reflux for 6.5 hours under the same conditions, filter, wash with ethanol, dry at 42°C, and ball mill through a 200-mesh sieve to obtain modified sepiolite;
[0092] Step c, adding the modified sepiolite and 0.1g octadecyltrimethylammonium bromide to the g-C 3 N 4 In the dispersion liquid, stir magnetically for 50 minutes, ...
Embodiment 3
[0095] An embodiment of the present invention provides an anti-corrosion material, the anti-corrosion material is g-C 3 N 4 / Modified sepiolite composite material, and g-C 3 N 4 The mass ratio to modified sepiolite is 1:3.
[0096] g-C above 3 N 4 Prepared with modified sepiolite by the following method:
[0097] Step a, with 1g g-C 3 N 4 Dissolve in ethanol to prepare g-C with a concentration of 0.5mg / mL 3 N 4 Dispersions;
[0098] Step b, dissolve 3g of sepiolite purified by natural sedimentation method in ethanol, prepare a sepiolite dispersion with a concentration of 5wt%, then add 6g of cetyltrimethylammonium bromide, at 65°C Condensate and reflux for 6 hours under the same conditions, filter, wash with ethanol, dry at 40°C, and ball mill through a 200-mesh sieve to obtain modified sepiolite;
[0099] Step c, adding the modified sepiolite and 0.2g sodium dodecylbenzenesulfonate to the g-C 3 N 4 In the dispersion liquid, magnetically stir for 1 hour, centrifu...
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