Antibacterial molecular sieve coating aluminum foil and preparation method thereof
A molecular sieve and aluminum foil technology, which is applied in coatings, antifouling/underwater coatings, devices for coating liquids on surfaces, etc., can solve the problems that antibacterial properties cannot be effectively maintained for a long time, and the bonding force between coatings and aluminum foils is not strong. , to achieve good self-healing ability, avoid adhesion, and widen the distance between layers
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[0025] A preparation method of an antibacterial molecular sieve coated aluminum foil, the specific preparation steps comprising:
[0026] Modification of graphene oxide:
[0027] In parts by weight, successively take 10-20 parts of graphene oxide, 200-500 parts of water, and 8-10 parts of octadecylamine, first disperse graphene oxide in water, then add octadecylamine, and heat After stirring and reacting, filter, wash and dry to obtain modified graphene oxide;
[0028] Preparation of aluminum foil products:
[0029] In parts by weight, sequentially take 10-20 parts of modified graphene oxide, 4-8 parts of water-based binder, and 100-200 parts of water, stir and mix, apply on the surface of aluminum foil, and then dry to obtain antibacterial Molecular sieve coated aluminum foil.
[0030] Further, the specific preparation steps also include:
[0031] Modification of graphene oxide:
[0032] In parts by weight, successively take 10-20 parts of graphene oxide, 200-500 parts o...
Embodiment 1
[0039] Pretreatment of aluminum foil:
[0040] Mix and dissolve the silane coupling agent and absolute ethanol at a mass ratio of 1:5 to obtain the ethanol solution of the silane coupling agent; firstly dip the aluminum foil in the ethanol solution of the silane coupling agent, at a temperature of 45°C, After soaking for 4 hours, take it out, soak the aluminum foil in absolute ethanol, then add aluminum isopropoxide with 1% mass of absolute ethanol, and fatty acid with 10% mass of absolute ethanol, and heat for 3 hours at a temperature of 75°C , take out the aluminum foil, dry it, and get the pretreated aluminum foil;
[0041] Modification of graphene oxide:
[0042] In parts by weight, successively take 10 parts of graphene oxide, 200 parts of water, 8 parts of octadecylamine, 8 parts of tetrabutyl titanate, 100 parts of absolute ethanol, and 8 parts of fatty acid, and first disperse the graphene oxide Add octadecylamine to water, heat and stir for 24 hours at a temperature...
Embodiment 2
[0047] Pretreatment of aluminum foil:
[0048] Mix and dissolve the silane coupling agent and absolute ethanol at a mass ratio of 1:10 to obtain the ethanol solution of the silane coupling agent; firstly, soak the aluminum foil in the ethanol solution of the silane coupling agent, at a temperature of 55°C, After soaking for 6 hours, take it out, soak the aluminum foil in absolute ethanol, then add aluminum isopropoxide with 10% of the mass of absolute ethanol, and fatty acid with 15% of the mass of absolute ethanol, and heat the reaction for 5 hours at a temperature of 85°C , take out the aluminum foil, dry it, and get the pretreated aluminum foil;
[0049] Modification of graphene oxide:
[0050]In parts by weight, successively take 20 parts of graphene oxide, 500 parts of water, 10 parts of octadecylamine, 10 parts of tetrabutyl titanate, 120 parts of absolute ethanol, and 10 parts of fatty acid, and first disperse the graphene oxide Add octadecylamine to water, heat and s...
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