What other additives

(1) Lubricants and corrosion inhibitors

In the ink components, fatty acids are usually used as lubricants. The lubricants are also cosolvents. The functions of the lubricants include: A, lubricate the balls and provide fluent writing; B, prevent the ink from drying, so that the ballpoint pen has a stable and good initial Pen performance; C. Increase the depth of dye dissolution and improve the color of the dye. The introduction of fatty acids is corrosive to some nib metals (such as copper alloys), causing a non-homogeneous crystalline substance in the ink to block the passage, thus shortening the service life of the ballpoint pen. The method of using fatty acid and supplemented with corrosion inhibitor can solve the corrosion problem and meet the lubrication requirements. The corrosion inhibitor used in the experiment is dissolved in fatty acid in a saturated state, which can achieve the purpose of corrosion protection.

(2) Antioxidant, anti-drying agent

Another reason for the formation of condensed blockages and crystal crowns in ballpoint pen inks is the oxidation of brass and the interface, and the production of copper and zinc compounds in the solution. The antioxidant contains substances that can absorb and absorb surrounding oxygen, so it can effectively prevent oxidation. The combination of antioxidants and corrosion inhibitors can more effectively prevent or inhibit the corrosion of copper alloys. Experiments show that the antioxidants we use are effective good. In the experiment, we also used an anti-desiccant. The main function is to prevent the oxidative drying of the ink surface or ink marks, so that the ink and ink marks have a better visual effect, and at the same time extend its service life and retention period, and can also improve the ballpoint pen’s performance during application. Performance, anti-drying agent is also an antioxidant.

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