Novel modification of perylenetetracarboxylic acid-bis-(3,5-dime

Details Novel modification of perylenetetracarboxylic acid-bis-(3,5-dime Novel modification of perylenetetracarboxylic acid-bis-(3,5-dime

1980-06-23

1983-09-13

Berch, Mark L.

Organic compounds -- part of the class 532-570 series

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

260 39P, 260 4221, 260 37SB, 260 40R, 260 38, 260 37EP, 260 37N, 260 37R, 106204, 8568, 524 90, C07D48706, D06P 379, D06P 362, D06P 326

Patent

active

044043856

ABSTRACT:
Perylenetetracarboxylic acid-bis-(3,5-dimethylphenyl)imide in a novel .gamma.-modification characterized by an X-ray diffraction spectrum exhibiting very strong lines at interplanar spacings of 8.3, 3.61, 3.46 and 3.30 A, and strong lines at interplanar spacings of 17.2, 10.3, 7.2, 6.7 and 4.09.
The pigment is suitable for dyeing high-molecular organic material. Compared with the known yellowish-red modifications, the .gamma.-modification is characterized by a bluish-red shade.

REFERENCES:
patent: 4230858 (1980-10-01), Gall
Niyaka et al., Khimiya; Technol. Krasheniya, Sinteza Krasitelei i Polymer. Malerialov 1978, 67-72.

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