What are the functions and common sense of the use of ballpoint pens?
effect:
The ball is used to directly contact the paper surface to generate friction when writing, so that the ball rolls in the ball seat and brings out the ink or ink in the pen core to achieve the purpose of writing.A ballpoint pen is a pen that uses ink and different pigments to write. The tip of the pen is a small steel ball. The small steel ball is embedded in a small cylindrical copper bowl, and then connected to a plastic tube containing ink. The ink flows down the surroundings as the steel ball rotates.The pigment of ballpoint pen ink is dye. There are three main ink colors: blue, red, and black, of which blue ink is used the most. In the past, the pigment components in blue inks were salt-based royal blue and salt-based green lotus, and the solvents were oxidized castor oil and ricinoleic acid. Because basic dyes are not light fast (light fastness is only level 1-2), are not heat resistant, and are not resistant to acids and alkalis, they have poor durability and have been eliminated. Use common sense:
1. This pen is stronger and more durable than ordinary fountain pens, but if it is improperly used and kept, it is often impossible to write words. This is mainly because the dry ink sticks around the steel ball and prevents the ink from flowing out. The ink is a kind of viscous oil, which is prepared with flax seed oil, synthetic pine nut oil (mainly containing terpene alcohols), mineral oil (oil obtained by fractionating petroleum and other minerals), hard glue and oil fume, etc. .
2. When using a ballpoint pen, do not write on oily or waxy paper, otherwise the oil and wax will be embedded in the copper bowl along the edge of the steel ball, which will affect the ink and not write. Also, avoid pen impact and exposure. Always wear gloves with a pen cap to prevent damage to the pen tip, deformation of the pen barrel, and oil leakage from the pen core to contaminate the body. In case of cold weather or left unused for a long time. When the pen does not produce oil, you can soak the pen tip in warm water for a while and then draw the pen tip on the paper to write.
3. The ballpoint pen has a big shortcoming: the handwriting it writes is very clear at first; but it can't stand the test of time. Over time, the handwriting will slowly become blurred. This is because the ink of the ballpoint pen is made with dyes and castor oil. Oil is not the same as water. It is not easy to dry. As time goes by, the oil will slowly soak away on the paper and the writing will become blurred. Therefore, the ballpoint pen can only be used as an ordinary writing pen. If you want to keep the handwriting for a long time, you need to use a pen.
4. When the ballpoint pen falls to the ground, if the tip of the pen touches the ground at 90 degrees, the tip of the ballpoint pen will not be damaged. Phenomena such as writing difficulties.