A kind of silver-based conductive ink and its preparation method and application
A conductive ink and silver-based technology, applied in the field of silver-based conductive ink and its preparation, can solve the problems of high sintering temperature and complicated operation steps, and achieve the effects of promoting the sintering temperature, reducing the surface energy, and promoting the reduction.
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Embodiment 1
[0023] A preparation method of silver-based conductive ink, the details are as follows:
[0024] (1) Preparation of hydroxymethylamine condensate stabilizer: dissolve 0.27g of anhydrous ethylenediamine solution in 1.70g of deionized water, then take 0.73g of formaldehyde solution with a mass fraction of 37%, and stir the formaldehyde solution It was added to the ethylenediamine solution, and the stabilizer was obtained after the reaction for 1 h.
[0025] (2) Take 0.67g of isopropanolamine successively, add 0.10g of the above stabilizer to 0.63g of deionized water, stir at 25°C for 20min until completely mixed, then take 0.50g of silver acetate and quickly add it to the mixed solution, at 25 Stir for 60 min at °C until completely dissolved and filter to obtain the silver-based conductive ink.
[0026] The silver-based conductive ink prepared in this example was sprayed on a polyimide substrate, sintered at 150 ° C for 50 min, and a conductive silver film was obtained by sinte...
Embodiment 2
[0028] A preparation method of silver-based conductive ink, the details are as follows:
[0029] (1) Preparation of hydroxymethylamine condensate stabilizer: dissolve 0.27g of anhydrous ethylenediamine solution in 1.70g of deionized water, then take 0.73g of formaldehyde solution with a mass fraction of 37%, and stir the formaldehyde solution It was added to the ethylenediamine solution, and the stabilizer was obtained after the reaction for 1 h.
[0030] (2) Take 0.67g of isopropanolamine in turn, add 0.20g of the above stabilizer to 0.63g of deionized water, stir at 25°C for 20min until fully mixed, then take 0.50g of silver acetate and quickly add it to the mixed solution, at 25 Stir for 60 min at °C until completely dissolved and filter to obtain the silver-based conductive ink.
[0031] The silver-based conductive ink prepared in this example was sprayed on a polyimide substrate, sintered at 150° C. for 50 minutes, and a conductive silver film was obtained by sintering. ...
Embodiment 3
[0033] A preparation method of silver-based conductive ink, the details are as follows:
[0034] (1) Preparation of hydroxymethylamine condensate stabilizer: Dissolve 0.27g of anhydrous ethylenediamine solution in 1.34g of deionized water, then take 1.09g of formaldehyde solution with a mass fraction of 37%, and stir the formaldehyde solution It was added to the ethylenediamine solution, and the stabilizer was obtained after the reaction for 1 h.
[0035] (2) Take 0.67g of isopropanolamine successively, add 0.10g of the above stabilizer to 0.63g of deionized water, stir at 25°C for 20min until completely mixed, then take 0.50g of silver acetate and quickly add it to the mixed solution, at 25 Stir for 60 min at °C until completely dissolved and filter to obtain the silver-based conductive ink.
[0036] The silver-based conductive ink prepared in this example was sprayed on a polyimide substrate, sintered at 150 ° C for 50 min, and a conductive silver film was obtained by sinte...
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Abstract
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