Лако-красочные материалы — производство

Perylene and perinone pigments (Figure 3.18) are a class of high performance organic pigments. Perylene pigments are diimides of perylenetetracarboxylic acid while perinone pigments are produced by condensation of naphthalenetetracarboxylic acid with aromatic diamines. They originated from vat dyes. Perylene pigments exist in a wide range of hues, providing red, bordeaux, violet, brown and black shades, while perinone pigments exhibit color in the range from orange to bordeaux. These pigments exhibit excellent light fastness, exterior durability and high heat resistance because of their chemical structure. Therefore, they are used in high quality industrial paints, automotive coatings and powder coatings. Some
examples of commercially available perylene pigments are Pigment Red 123, 149, 178, 179 and 190, Pigment Violet 29 and Pigment Black 31, while examples of perinone pigments are Pigment Orange 43 and Pigment Red 194.