Pigment yellow 180 process

Pigment Yellow 180 is a commonly used organic pigment, and its preparation process plays a crucial role in the quality and properties of pigment yellow 180. This article will introduce the detailed steps and key technologies of the pigment yellow 180 process to help readers fully understand the preparation process of pigment yellow 180.

First, pigment yellow 180 process steps

The preparation process of pigment yellow 180 mainly includes raw material preparation, reaction, filtration, drying and crushing.

Preparation of raw materials: The raw materials required for the preparation of pigment yellow 180 include phenol, 2-amino-5-methylbenzene sulfonic acid, ethanol, etc. In the preparation process, it is necessary to ensure the purity and quality of the raw material.

Reaction: The phenol and 2-amino-5-methylbenzene sulfonic acid are put into the reaction kettle according to a certain molar ratio, and the esterification reaction is carried out under a certain temperature and pressure. It is necessary to control the reaction time and temperature during the reaction process to ensure the complete progress of the reaction.

Filtration: After the end of the reaction, impurities and solid residues in the reaction products are removed by filtration to obtain a pure pigment yellow 180 solution.

Drying: The obtained solution is evaporated and concentrated to obtain the precipitation of pigment yellow 180. The precipitate is then dried to remove residual solvents and moisture.

Crushing: the dried pigment yellow 180 is crushed to make its particle size uniform and meet the requirements. After grinding, pigment yellow 180 can be used for the subsequent production of pigment products.

Second, the key technology of pigment yellow 180 process

Reaction condition control: reaction temperature, pressure and reaction time are important factors affecting the quality of pigment yellow 180. By controlling these conditions reasonably, the purity and yield of the product can be improved.

Filtration technology: Selecting the appropriate filtration materials and filtration methods can effectively remove impurities and solid particles in the reaction products and improve the purity of pigment yellow 180.

Drying method: Selecting the appropriate drying method can ensure the drying effect and stable quality of pigment yellow 180.

Grinding process: The size and distribution of the particle size of the pigment need to be controlled during the grinding process to meet the requirements of the particle size of the pigment in different application fields.

Third, the application prospect of pigment yellow 180 process

Yellow 180 pigment is widely used in plastics, coatings, inks and textiles. Its bright color, good stability, excellent weather resistance, known as the "king of yellow".

In the field of plastics, the pigment yellow 180 can be used to prepare plastic products of various colors, such as plastic packaging films, plastic containers, etc. In the field of coatings, pigment yellow 180 can provide a high saturation, colorful yellow tone, widely used in coating and decorative materials.

Pigment Yellow 180 can also be used in fields such as ink and textile dyeing, adding vitality and beauty to products.