A kind of superhydrophobic microcapsule polymer cement-based anticorrosion coating and its preparation method and application
An anti-corrosion coating and microcapsule technology is applied in the field of cement anti-corrosion coatings to achieve the effects of improving waterproof and impermeability, preventing infiltration, and improving waterproof and impermeability.
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no. 1 example
[0065] A preparation of superhydrophobic microcapsule polymer cement-based anticorrosion coating, comprising the following methods:
[0066] 1. Preparation of hydrophobically modified graphene oxide:
[0067] 1.1 Add 5 parts by weight of graphene oxide into 150ml of absolute ethanol, and then ultrasonically disperse for 2 hours to obtain a graphene oxide dispersion.
[0068] 1.2 Add 7 parts by weight of polyperfluoroalkylsiloxane to the graphene oxide dispersion, adjust the reaction temperature at 65°C for 24 hours, and vigorously stir at a rate of 8000r / min during the reaction. After the reaction was completed, the reaction solution was vacuum filtered, the solid product was washed three times, and then vacuum-dried at 50° C. for 12 hours, and then ground to obtain hydrophobically modified graphene oxide for future use.
[0069] 2. Preparation of water-based microcapsule emulsion:
[0070] 2.1 Mix 23 parts by weight of deionized water and 1.6 parts by weight of polyvinyl al...
no. 2 example
[0078] A preparation of superhydrophobic microcapsule polymer cement-based anticorrosion coating, comprising the following methods:
[0079] 1. Preparation of hydrophobically modified graphene oxide:
[0080] 1.1 Add 4.5 parts by weight of graphene oxide into 160ml of absolute ethanol, and then ultrasonically disperse for 1 hour to obtain a graphene oxide dispersion.
[0081] 1.2 Add 7.5 parts by weight of tridecafluorooctyltriethoxysilane to the graphene oxide dispersion, adjust the reaction temperature at 60°C for 24 hours, and vigorously stir at a rate of 6000r / min during the reaction. After the reaction was completed, the reaction solution was subjected to vacuum filtration, the solid product was washed three times, and then vacuum-dried at 60° C. for 8 hours, and then ground to obtain hydrophobically modified graphene oxide for future use.
[0082] 2. Preparation of water-based microcapsule emulsion:
[0083] 2.1 Mix 20 parts by weight of deionized water and 1.3 parts by ...
no. 3 example
[0091] A preparation of superhydrophobic microcapsule polymer cement-based anticorrosion coating, comprising the following methods:
[0092] 1. Preparation of hydrophobically modified graphene oxide:
[0093] 1.1 Add 3.5 parts by weight of graphene oxide into 150ml of absolute ethanol, and then ultrasonically disperse for 1 hour to obtain a graphene oxide dispersion.
[0094] 1.2 Add 4.5 parts by weight of tridecafluorooctyltrimethoxysilane to the graphene oxide dispersion, adjust the reaction temperature at 60°C for 20 hours, and vigorously stir at a rate of 5000 r / min during the reaction. After the reaction was completed, the reaction solution was vacuum filtered, the solid product was washed twice, and then vacuum-dried at 50° C. for 8.5 hours, and ground to obtain hydrophobically modified graphene oxide for future use.
[0095] 2. Preparation of water-based microcapsule emulsion:
[0096] 2.1 Mix 30 parts by weight of deionized water and 2 parts by weight of polyvinyl al...
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