A pigment precursor based on 1,4-diketo-3,6-diphenyl-pyrrolo-[3,4-c]-pyrrole and its regeneration into the pigment

Journal of Imaging Science and Technology

Volumn 49, Issue 1, 2005, Pages 35-40

  Mizuguchi, J ^a  

^a YOKOHAMA NATIONAL UNIVERSITY   (Japan)

Author keywords

[No Author keywords available]

Indexed keywords

CRYSTALS; HYDROGEN BONDS; IMAGING TECHNIQUES; POLYPYRROLES; RECRYSTALLIZATION (METALLURGY); SUBSTRATES; THERMOGRAVIMETRIC ANALYSIS; X RAY DIFFRACTION;

COLOR FILTERS; LATENT PIGMENTS; PIGMENT PRECURSOR; THERMAL PRINTERS;

PIGMENTS;

EID: 17444377863     PISSN: 10623701     EISSN: None     Source Type: Journal    
DOI: None     Document Type: Article

References (8)

1. W. Herbst and K. Hunger, Industrial Organic Pigments, VCH, Weinheim, Germany, 1997, p. 550.
2. J. Mizuguchi, Correlation between crystal and electronic structures in diketopyrrolopyrrole pigments as viewed from exciton coupling effects, J. Phys. Chem. A 104, 1817 (2000).
3. J. Zambounis, Z. Hao and A. Iqbal, Pyrrolo[3,4-c]pyrroles, US Patent 5,484,943.
4. J. Zambounis, Z. Hao and A. Iqbal, Latent pigments activated by heat, Nature 388, 131 (1997).
5. J. Mizuguchi, A. Grubenmann, G. Wooden, and G. Rihs, Structure of 3,6-diphenylpyrrolo[3,4-c]pyrrole-1,4-dione and 3,6-diphenyl-2, 5-dimethylpyrrolo [3,4-c]pyrrole-1,4-dione, Acta Cryst. B48, 696 (1992).
6. E. J. MacLean, M. Tremayne, B. M. Kariuki, K. D. Harris, A. Iqbal, and Z. Hao, Structural understanding of a polymorphic system by structure solution and refinement from powder X-ray diffraction data: the α and β phases of the latent pigment DPP-BOC, J. Chem. Soc., Perkin Trans. 2, 1513 (2000).
7. J. Mizuguchi, Refinement of the crystal structure of α-1,4-dioxo-3,6-diphenylpyrrolo-[3,4-c]pyrrole-2,5(1H,4H)-dicarboxylic acid bis (1,1-dimethylethyl) ester, Z. Krist. NCS. 218, 134 (2003).
8. J. Mizuguchi, The β-form of di-tert-butyl-1,4-dioxo-3,6-diphenyl-1,2,4,5-tetrahydropyrrolo[3,4-c]pyrrole-2, 5-dicarboxylate, Acta Cryst. E59, 469 (2003).