Silicon dioxide coated zinc borate-graphene synergistic multifunctional additive, and preparation method and application thereof
A technology for coating zinc borate and multifunctional additives, applied in chemical instruments and methods, botanical equipment and methods, applications, etc., can solve the problems of bacterial property and personal safety threats, easy wear and tear, etc. The effect of broad application prospects and huge market demand
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Embodiment 1
[0025] The specific steps of a preparation method of a multifunctional auxiliary agent coated with silicon dioxide and zinc borate synergistically with graphene are as follows:
[0026] 1) Preparation of zinc borate: a) Dissolve 3.72g of boric acid in deionized water, add 1.3g of zinc oxide, and add 0.5ml of ammonia water while stirring; b) Add 1g of sodium dodecylbenzenesulfonate into the above mixed solution , heated to 45° C. and stirred in a water bath for 2 h; c) filtered and dried at 60° C. to obtain the prepared zinc borate.
[0027] 2) Preparation of silica-coated zinc borate: a) Add 1 mL of tetraethyl orthosilicate to 20 mL of absolute ethanol; b) Add 1.12 g of zinc borate to 4 mL of deionized water, and then add 0.2 mL of ammonia water; Slowly add the mixed solution in step b) to the mixed solution in step a), continue stirring for 4 hours, filter, wash with absolute ethanol, and dry at 70°C to obtain silicon dioxide-coated zinc borate.
[0028] 3) Preparation of si...
Embodiment 2
[0034] The specific steps of a preparation method of a multifunctional auxiliary agent coated with silicon dioxide and zinc borate synergistically with graphene are as follows:
[0035] 1) Preparation of zinc borate: a) Dissolve 3.72g of boric acid in deionized water, add 1.3g of zinc oxide, and add 0.5ml of ammonia water while stirring; b) Add 1g of sodium dodecylbenzenesulfonate into the above mixed solution , heated to 45° C. and stirred in a water bath for 2 h; c) filtered and dried at 60° C. to obtain the prepared zinc borate.
[0036] 2) Preparation of silica-coated zinc borate: a) Add 1 mL of tetraethyl orthosilicate to 20 mL of absolute ethanol; b) Add 1.12 g of zinc borate to 4 mL of deionized water, and then add 0.2 mL of ammonia water; Slowly add the mixed solution in step b) to the mixed solution in step a), continue stirring for 4 hours, filter, wash with absolute ethanol, and dry at 70°C to obtain silicon dioxide-coated zinc borate.
[0037]3) Preparation of sil...
Embodiment 3
[0043] The specific steps of a preparation method of a multifunctional auxiliary agent coated with silicon dioxide and zinc borate synergistically with graphene are as follows:
[0044] 1) Preparation of zinc borate: a) Dissolve 3.72g of boric acid in deionized water, add 1.3g of zinc oxide, and add 0.5ml of ammonia water while stirring; b) Add 1g of sodium dodecylbenzenesulfonate into the above mixed solution , heated to 45° C. and stirred in a water bath for 2 h; c) filtered and dried at 60° C. to obtain the prepared zinc borate.
[0045] 2) Preparation of silica-coated zinc borate: a) Add 1 mL of tetraethyl orthosilicate to 20 mL of absolute ethanol; b) Add 1.12 g of zinc borate to 4 mL of deionized water, and then add 0.2 mL of ammonia water; Slowly add the mixed solution in step b) to the mixed solution in step a), continue stirring for 4 hours, filter, wash with absolute ethanol, and dry at 70°C to obtain silicon dioxide-coated zinc borate.
[0046] 3) Preparation of si...
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