4216-02-8

Usage

Uses

Used in Textile Industry:
Vat Red 15 is used as a colorant for dyeing and printing processes in the textile industry, providing a strong and vibrant red color with good light and heat resistance.
Used in Plastics and Polymers Industry:
Vat Red 15 is used as an additive in the plastics and polymers industry to impart a red color to various products, such as plastics, coatings, and inks. Its heat resistance and light fastness make it suitable for applications requiring durability and color stability.
Used in Paints and Coatings Industry:
Vat Red 15 is used as a pigment in the paints and coatings industry to achieve a bluish-red shade with good resistance to acids, alkalis, and bleeding. Its high tinting strength allows for effective coloration with minimal usage, making it a cost-effective option for various applications.
Used in Printing Inks Industry:
Vat Red 15 is used as a pigment in the printing inks industry to produce high-quality, long-lasting prints with a strong red color. Its resistance to various environmental factors, such as light and heat, ensures the durability and longevity of printed materials.

TEST ITEMS

SPECIFICATION

HEAT RESISTANCE

300 °C min

LIGHT FASTNESS

7-8

ACID RESISTANCE

5

ALKALI RESISTANCE

5

FASTNESS TO BLEEDING

5

OIL ABSORPTION

40-45%

SPECIFIC SURFACE

28 m 2 /g

DENSITY

1.70 g/cm 3

RESIDUE ON 80 MESH

5.0% max

VOLATITE 105 °C

1.0% max

InChI:InChI=1/C26H12N4O2/c31-25-15-11-12-16-22-14(24-28-18-6-2-4-8-20(18)30(24)26(16)32)10-9-13(21(15)22)23-27-17-5-1-3-7-19(17)29(23)25/h1-12H

Upstream product

• 81-30-1 1,4,5,8-naphthalenetetracarboxylic dianhydride 
• 95-54-5 1,2-diamino-benzene 
• 479-27-6 naphthalene-1,8-diamine 

Relevant academic research and scientific papers

High-performance black color paste and preparation method thereof

The invention relates to the technical field of black pigments, in particular to a high-performance black color paste and a preparation method thereof. The preparation process does not need to be subjected to grinding treatment, can be highly dispersed in the low-melting-point amphiphilic solid, can effectively improve the workability and repeatability, and reduces the chromatic aberration 10% - 1000%. The preparation method disclosed by the invention causes the components to react and discolor in the kneading machine, finally obtains the black color paste, and is simple in preparation step, easy and convenient to operate, easy to prepare and good in application prospect.

Green and Rapid Hydrothermal Crystallization and Synthesis of Fully Conjugated Aromatic Compounds

Highly fused, fully conjugated aromatic compounds are interesting candidates for organic electronics. With higher crystallinity their electronic properties improve. It is shown here that the crystallization of three archetypes of such molecules—pentacenetetrone, indigo, and perinone—can be achieved hydrothermally. Given their molecular structure, this is a truly startling finding. In addition, it is demonstrated that perinone can also be synthesized in solely high-temperature water from the starting compounds naphthalene bisanhydride and o-phenylene diamine without the need for co-solvents or catalysts. The transformation can be drastically accelerated by the application of microwave irradiation. This is the first report on the hydrothermal generation of two fused heterocycles.

Synthesis of tetraalkyl naphthalene bisanhydride and its model condensations with amines

To improve the solubility of naphthalene bisanhydride (NTCA), four alkyl groups are incorporated to the naphthalene core via a five-step procedure. The new naphthalene bisanhydride derivative (TO-NTCA) shows much higher reactivity than the parent NTCA in the model condensations with ortho-diaminobenzene and 2-ethylhexylamine and gives corresponding soluble molecules with excellent yields. Hence, TO-NTCA is a potential monomer for condensations.

Green synthesis of polycyclic benzimidazole derivatives and organic semiconductors

Polycyclic benzimidazole derivatives, an important class of compounds in organic electronics and photovoltaics, were prepared using a solvent-free "green" process based on heating carboxylic acid anhydrides and arylene diamines in the presence of zinc acetate in the solid state. Products were isolated and purified directly by train sublimation of the crude reaction mixtures. The reaction conditions were optimized using various carboxylic acid anhydrides. Optical and electrochemical properties of these materials are also described.

Photoconductive members

A compound comprising a bisbenzamidazoleperinone of the following formula wherein each of R1, R2, R3, and R4 are the same or different and are independently selected from the group consisting of hydrogen, alkyl, aryl, hydrocarbon, which may be optionally substituted or arranged in such a way as to form a cyclic ring which can be either saturated or unsaturated and halogen.