What is the scientific name of the phenomenon that the pen is written on some kind of paper and the ink is scattered? What's the name of that paper?

The scientific name of this phenomenon is "dyeing".

There are many kinds of this kind of paper, but the degree of "beating" is different. Such as: raw rice paper, bamboo paper, Xuande paper, jute paper, toilet paper, napkin, wet paper towel, roll paper, crepe paper, leather paper, wool paper, tracts paper, mulberry paper, crepe paper, wool paper, etc.

Pen and ink practice paper is generally not slippery and slightly astringent. Too thin, loose paper is easy to be cut off, and there will be drying; The paper is thick and too smooth, and the nib is easy to slip when writing, which is inconvenient to express the nib. So 70g or 80g writing paper, drawing paper, copy paper, etc. Generally, pen writing is the first choice, which can be used according to your own conditions.

Extended data:

Calligraphy practice should use blue-black ink and carbon ink, especially carbon ink. It is concentrated and shiny, and it is written in black and white on paper, which is very eye-catching. Pens should use the same color and brand of ink, and cannot be mixed. Otherwise, it will cause chemical changes, produce precipitation, and affect writing fluency. If you want to use another ink, you should wash the pen tip and liner to dry first, and then inhale new ink. After the ink is used up, the bottle cap should be tightened in time to prevent dust, splashing and swinging.

Generally speaking, 60 to 80 grams of writing paper, glossy paper and copy paper should be non-slippery, slightly astringent and strong in ink absorption. When practicing regular script fonts, it is best to write with squares on paper, which can arrange the size and structure of fonts and enhance the effect of practicing calligraphy.

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