About the Technology and Colour Changes in Painting
About the Technology and Colour Changes in Painting

Summary/Abstract: Foundations, linkers and pigments are the alphabet in the complex and diverselanguage of painting. Not knowing the materials and technology often leads to processes ofdarkening, graying, opacity or blackening of the painting layer. All the materials thatpainters use are subject to modification from the moment of their use. Part of these processesdevelop regardless of the painter's skills but by studying the theory thoroughly he may beable to predict them. All too often the reasons for graying are problems with the primer,applying painting layer on a wet bottom layer, excessive use of turpentine oil etc. Opacity iseven graying of all tones of the painting. If this occurs at certain places only, then this is adefect. Blackening of the painting layer is mainly due to formation of copper salts as a resultof improper mixing of paints as well as quick drying of the oil.

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