Perylenetetracarboxylic acid diimides having long-chain radicals

Details Perylenetetracarboxylic acid diimides having long-chain radicals Perylenetetracarboxylic acid diimides having long-chain radicals

1990-09-24

1992-04-14

Schofer, Joseph L.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Processes of preparing a desired or intentional composition...

546 37, C08K 53437, C07D22118

Patent

active

051049180

ABSTRACT:
Perylene-3,4,9,10-tetracarboxylic acid diimides of the formula I ##STR1## in which R is a linear or branched alkylene, alkylenecycloalkylene or cycloalkylenealkylene radical which has at least 15 C atoms and which is interrupted by one or two --COO--, --OOC--, --CONH-- and/or --NHCO-- groups, and Z is hydrogen, hydroxyl or a --COOH group.
Perylene diimides of this type are excellently suitable for coloring polyolefins. In this regard, they are particularly distinguished by their low tendency to bloom. They are also very suitable for coloring engineering plastics, in which they produce fluorescent colorations having a high fluorescence and excellent fastness to heat, light and weathering.

REFERENCES:
patent: 4238386 (1980-12-01), Babler

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