Preparation method of additive for electrolytic copper foil, product and application thereof
A technology of electrolytic copper foil and additives, applied in the direction of electrolysis, electroforming, etc., can solve the problems of increasing the crystallization density of grains, reducing the roughness of electrolytic copper roughness, and unsatisfactory problems, so as to increase the crystal density and reduce the roughness. Surface roughness, the effect of increasing the tensile strength
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Embodiment 1
[0030] A method for preparing an additive for electrolytic copper foil provided by the invention comprises the following process steps:
[0031] (1) Weighing: Weigh 100mg thiourea, 500mg polyethylene glycol, 50mg 3-(benzothiazole-2-mercapto)-propanesulfonate sodium, 100mg gloss additive;
[0032] (2) Dissolving: Add the weighed thiourea, polyethylene glycol, 3-(benzothiazole-2-mercapto)-propanesulfonate sodium, The gloss additive was heated at a constant temperature of 45°C, stirred for 60 minutes, and fully dissolved to obtain a mixed solution;
[0033] (3) Dilution: dilute the mixed liquid in step (2) to 10 L with water to obtain an additive for electrolytic copper foil.
[0034] The gloss additive is a fluorocarbon surfactant, specifically: anionic, cationic, nonionic, and amphoteric fluorocarbon surfactants. In this embodiment, an ethoxylated nonionic fluorocarbon surfactant is selected.
Embodiment 2
[0036] (1) Weighing: Weigh 200mg thiourea, 1000mg polyethylene glycol, 100mg 3-(benzothiazole-2-mercapto)-propanesulfonate sodium, 200mg nonionic fluorocarbon surfactant;
[0037] (2) Dissolving: Add the weighed thiourea, polyethylene glycol, 3-(benzothiazole-2-mercapto)-propanesulfonate sodium, The non-ionic fluorocarbon surfactant was heated at a constant temperature of 45°C, stirred for 60 minutes, and fully dissolved to obtain a mixed solution;
[0038] (3) Dilution: dilute the mixed liquid in step (2) to 10 L with water to obtain an additive for electrolytic copper foil.
Embodiment 3
[0040] (1) Weighing: Weigh 300mg thiourea, 1500mg polyethylene glycol, 150mg 3-(benzothiazole-2-mercapto)-sodium propanesulfonate, 300mg nonionic fluorocarbon surfactant;
[0041] (2) Dissolving: Add the weighed thiourea, polyethylene glycol, 3-(benzothiazole-2-mercapto)-propanesulfonate sodium, The non-ionic fluorocarbon surfactant was heated at a constant temperature of 45°C, stirred for 60 minutes, and fully dissolved to obtain a mixed solution;
[0042] (3) Dilution: dilute the mixed liquid in step (2) to 10 L with water to obtain an additive for electrolytic copper foil.
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