Principle of oil-water separation painting

The principle that oil is incompatible with water.

Oil pastels are oily, while gouache pigments are soluble in water, and oil and water are immiscible, so when the pigment meets the oil pastel, the color of the pigment will not cover the color of the oil pastel.

The magic of oil-water separation painting technique lies in the picture sense of water pink and oil pastel color at the moment of coincidence. Oil-water separation painting technique has super expressive force, which is also an important reason why children love it. Teachers can make use of students' love for oil-water separation performance techniques and turn it into their love for the whole art discipline, thus enhancing children's interest in art classes.

1, the oil-water separation painting technique has a strong picture expression.

Oil pastel is a solid painting tool, which can show many things, such as scenery, people, animals, flowers and so on. Draw the theme of the picture with an oil pastel, and then use the water-soluble characteristics of gouache or watercolor to quickly pave the background of the picture and create a sense of space in the picture, which will soon produce a colorful, casual, natural and expressive picture effect.

2, simple and easy to operate, easy to be mastered by students.

Oil-water separation technology is widely used in children's painting classroom teaching because of its simplicity and easy operation. Especially suitable for children under 3 years old. Children began to draw with oil pastels when they were very young. They are very skilled and can easily express anything with oil pastels. For gouache or watercolor colors, they only need to use tiled paintings to represent the background of the picture.

3. Under the guidance of oil-water separation technology, students' thirst for knowledge can be stimulated and their interest in art classes can be generated.

Oil-water separation is just a technique in art class. By mastering this skill skillfully, children can show more creative works of art. Students will take the initiative to ask teachers to demonstrate some simple and effective painting skills.

After feeling the sense of accomplishment brought by these techniques, they will gradually form an interest in art classes and improve their enthusiasm for painting, thus helping teachers to better improve classroom efficiency.