TETRACHLOROPIRILENE-3, 4, 9, 10-TETRACARBOXYLIC DIIMIDE PIGMENT AND ITS USE
A tetrachloroperylene-3,4,9,10-tetracarboxylic acid diimide pigment which contains not less than 85% by weight of the tetrachloro compound of the formula which is present to the extent of not less than 95% by weight in the beta -modification and which, in an X-ray spectrum, exhibits 2(-) CuK alpha m...
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Zusammenfassung: | A tetrachloroperylene-3,4,9,10-tetracarboxylic acid diimide pigment which contains not less than 85% by weight of the tetrachloro compound of the formula which is present to the extent of not less than 95% by weight in the beta -modification and which, in an X-ray spectrum, exhibits 2(-) CuK alpha main lines at 9.0 DEG , 13.3 DEG , 15.0 DEG , 16.8 DEG , 19.1 DEG , 21.5 DEG , 24.2 DEG , 25.4 DEG , 26.5 DEG , 27.0 DEG and 27.5 DEG . In finishes, the pigment gives very brilliant colorations which are very highly lightfast and fast to weathering and which, upon weathering, neither bleach nor darken up. |
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