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Cationic dye is a special dye for acrylonitrile fiber, the dyeing method is in a weakly acidic (pH value of about 4.5) bathtub, with acetic acid and sodium acetate as buffer, in...

Cationic dyes are produced with the development of petrochemicals, and in the 50s of the 20th century, with the emergence of acrylonitrile fibers, Geigy in Switzerland and Bayer...

Cationic dyes are a kind of textile dyes, also known as basic dyes and salt-based dyes.

First of all, the global pharmaceutical market is expected to maintain a growth rate of more than 8% in 2014, the emerging pharmaceutical market is likely to maintain a greater ...

China is a major producer of APIs, with an output of 1.36 million tons in 2012, a year-on-year increase of 9.05%, ranking first in the world.

There are more than 8,700 pharmaceutical enterprises in China, more than 6,000 pharmaceutical manufacturers through GMP

The cumulative output of chemical APIs in the country from January to December 2011 increased by 23.33% over the same period of the previous year, an increase of 9.35 percentage...

APIs are divided into two categories: chemical synthetic drugs and natural chemical drugs according to their source.

Pharmaceutical production requires a large number of special chemicals, most of which were originally produced by the pharmaceutical industry, but with the deepening of social d...

Intermediates refer to semi-finished products, which are intermediate products in the production of certain products, such as to produce a product, which can be produced from in...

Emulsion polystyrene-butadiene rubber, made of butadiene, styrene as the main monomer, with other auxiliary chemical raw materials, under certain process conditions

Dithiocarbamate accelerators are super speed accelerators. The activation temperature is low, the vulcanization speed is fast, and the degree of crosslinking is high. But easy t...