单词 | phthalocyanine green |
释义 | > as lemmasphthalocyanine green phthalocyanine green n. (also with capital initials) any of several green pigments that are chlorinated (or partly brominated) derivatives of copper phthalocyanine. ΘΚΠ the world > matter > chemistry > organic chemistry > organic dyes > [noun] > colouring green Scheele's green1819 phthalocyanine1933 phthalocyanine green1942 phthalo1979 1942 E. R. Allen in J. J. Mattiello Protective & Decorative Coatings II. viii. 261 Likewise phthalocyanine green shows a somewhat similar relationship to orthodox pigments. 1968 Kirk-Othmer Encycl. Chem. Technol. (ed. 2) XV. 491 Phthalocyanine green (Pigment Green 7, CI 74260) is a polychlorinated copper phthalocyanine containing about fourteen atoms of chlorine. The most usual shade is the G type although there are several shades in the G range, representing slight variations in degree of chlorination or particle size and shape. 1984 Artist Sept. 32/3 Phthalocyanine green..often occurs in mixed greens. 2003 Amer. Artist (Nexis) 1 Mar. 58 Nearest the sun (on a blue-sky day) I use a mixture of phthalocyanine green plus white. < as lemmas |
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