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Classification of Organic Pigments

Organic Pigments

Organic pigments refer to a wide range of chemical families and cover a wide spectrum of properties. They are mainly used for applications needing high tinting strength and brilliant shades while inorganic pigments are mainly useful where high opacity is needed.

We can distinguish three main categories of organic pigments:
  • Polycyclic
  • Azo (Mono- and Di-)
  • Metal complexes

For each category, classical and high performances pigments are available. The performances of the pigment will depend on:

  • Chemical structures
  • The surface properties
  • The crystallinity
  • Particle size and size distribution.

 
 
 Yellow pigments
 
Family Coloristic properties Resistance properties Main Polymers in which used
Anthraquinone medium to high color strength, transparency good heat, light and migration fastness, good to excellent weather to fastness PS, PP, LDPE, HDPE, PMMA, PC, PBT, PET
Diazo pigments high color strength, wide range of shade and opacity good heat, light and migration fastness, medium to good weathering PVC, LDPE,HDE,PP, PS, HDPE
Isoindolinone medium to high color, strength, greenish, reddish yellow, and orange excellent heat, light and migration fastness, excellent weathering, particularly at low concentration and TiO2 reduction PVC, PS, LDPE, HDPE, PP
Mono Azo salts medium color strength good heat, light and migration fastness, low weathering PVC, LDPE, HDPE, PP, PS
 
 
 Orange pigments
 
Family Coloristic properties Resistance properties Main Polymers in which used
Benzimidazolone high saturation and opacity good heat, light and migration fastness, medium weathering PVC, PS, LDPE, HDPE, PP, ABS
Diketo pyrrolo pyrrole (DPP) very pure and brilliant shade, high color strength, wide range of shade and opacity good to excellent heat, light and migration fastness, reds show good to excellent weather resistance PVC, PS, LDPE, HDPE, PP
Isoindolinone medium to high color, strength, greenish, reddish yellow, and orange excellent heat, light and migration fastness, excellent weathering, particularly at low concentration and TiO2 reduction PVC, PS, LDPE, HDPE, PP
 
 
 Brown pigments
 
Family Coloristic properties Resistance properties Main Polymers in which used
Diazo pigments high color strength, wide range of shade and opacity good heat, light and migration fastness, medium to good weathering PVC
 
 
 Red pigments
 
Family Coloristic properties Resistance properties Main Polymers in which used
Anthraquinone medium to high color strength, transparency good heat, light and migration fastness, good to excellent weather to fastness PS, PP, LDPE, HDPE
BONA Lake high color strength, pure shade low heat and light fastness, good migration PVC, PS, LDPE, PP
Diazo pigments high color strength, wide range of shade and opacity good heat, light and migration fastness, medium to good weathering PVC, PS, LDPE, HDPE, PP
Diketo pyrrolo pyrrole (DPP) very pure and brilliant shade, high color strength, wide range of shade and opacity good to excellent heat, light and migration fastness, reds show good to excellent weather resistance PVC, LDPE, HDPE, PP, PS
Naphthol Lake high color strength, pure shade good heat and migration fastness, low light fastness PVC, PS, LDPE
Quinacridone medium to high color, strength, bluish red and violet good heat, light and migration fastness, good to excellent weathering, particularly in TiO2 reduction PVC, HDPE, PP, PS, LDPE, PA
 
 
 Blue pigments
 
Family Coloristic properties Resistance properties Main Polymers in which used
Anthraquinone medium to high color strength, transparency good heat, light and migration fastness, good to excellent weather to fastness PVC, PS, LDPE, HDPE, PP, PET
Phthalocyanine high color strength good heat, light and migration fastness, good to excellent weathering PVC, LDPE, HDPE, PP, ABS, PA, PET
 
 
 Violet pigments
 
Family Coloristic properties Resistance properties Main Polymers in which used
Dioxazine high color strength good heat, light and migration fastness, medium weather PVC, PS, LDPE, HDPE, PP
Quinacridone medium to high color strength, bluish red and violet good heat, light and migration fastness, good to excellent weathering, particularly in TiO2 reduction PVC, HDPE, PP
 
 
 Green pigments
 
Family Coloristic properties Resistance properties Main Polymers in which used
Phthalocyanine high color strength good heat, light and migration fastness, good to excellent weathering PS, PVC, LDPE, HDPE, PP, ABS

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