Oil painting is to use transparent vegetable oil to blend pigments, and to create artistic images on already made materials such as cloth, paper and board. It originated and developed in Europe and became an important painting in the world in modern times.
The appearance of oil painting
15th century ago, the egg-colored painting in European painting was the predecessor of oil painting. While using the egg color painting method, many painters continue to look for a more rational mixture. It is generally believed that/kloc-The Van Ike brothers, painters from the Netherlands at the beginning of the 5th century, were the founders of oil painting techniques. On the basis of their previous attempts to dissolve pigments in oil, they used linseed oil and walnut oil as blending agents to paint, which made the painting smooth, the drying time of pigments on the screen moderate, and it was easy to cover and modify them many times in the painting process, forming rich color levels and glossiness. After drying, the pigment has strong adhesion and is not easy to peel off and fade. They used new oil painting materials to create, which was very influential in the painting world at that time. Oil painting technology soon spread to other western European countries, especially Venice, Italy.
Materials and tools The main materials and tools of oil painting are pigments, brushes, knives, canvases, varnishes, picture frames and so on.
① Pigments can be divided into mineral and chemical synthesis. Most of the original pigments are mineral pigments, which are ground into fine powder by hand and blended when painting. In modern times, it was mass-produced by factories and put into tin cans, and the types of pigments were increasing. The nature of pigment is related to its chemical composition. When mixing colors, chemical action will cause some bad reactions between pigments. Therefore, mastering the nature of pigment is helpful to give full play to oil painting skills and make the color of works unchanged for a long time.
(2) Brushes, made of animal hair with moderate elasticity, are round, flat, short and flat, and fan-shaped.
(3) Painting knife, also known as color palette knife, is made of elastic thin steel sheet, which can be divided into sharp shape and round shape. It is used to evenly mix pigments on the palette. Many painters also use a knife instead of a pen to paint directly with a knife or partially form layers and textures of pigments on the canvas to increase expressive force.
(4) Canvas, a standard canvas, is made by stretching linen or canvas on a wooden inner frame, mixing it with white powder with glue or oil, and coating it on the surface of the cloth. Generally, it is made into a foundation with a certain pattern effect without oil absorption, or a foundation with half oil absorption or full oil absorption according to the needs of creation. The thickness of the cloth pattern depends on the size of the picture frame and the needs of the painting effect. Some painters use canvas with background color, which is easy to form a unified picture tone, and can also inadvertently reveal the background color when painting. After priming, wood or cardboard that does not absorb oil can also replace canvas.
⑤ Polishing: Generally, after the oil painting is dried, it is covered with varnish to keep the luster of the picture and prevent cavitation and fouling.
⑥ Outer frame, a complete oil painting includes an outer frame, especially an oil painting with strong realism. The outer frame forms the boundary for the viewer to watch the work, which makes the picture complete and concentrated, and the objects in the painting develop in depth in the viewer's feeling. The thickness and size of the picture frame depend on the content of the work. The frames of classical oil paintings are mostly made of wood and gypsum, while the frames of modern oil paintings are mostly made of metal materials such as aluminum alloy.