how to choose colorants for nylon? colorants are divided into two categories: pigments and dyes, of which pigments are divided into inorganic pigments…
research on the application of mdi in slow resilient polyurethane block foam 1. preface as we all know, polyurethane slow rebound foam is also called …
dye basics: identification of dyes introduction it is difficult to identify the type of dyestuff on textiles with naked eyes, and it must be determine…
dye basics: sulfur dyes introduction sulfur dyes are a class of sulfur-containing dyes with a complex molecular structure. generally made by certain a…
background and overview[1] potassium carbonate is also called potassium alkali and alkali sand, and impurities are called potassium alkali, bead ash, …
potassium carbonate, white crystalline powder. density 2.428g/cm3. the melting point is 891°c, it decomposes at the boiling point, and the relative mo…
potassium carbonate is an excellent water-soluble fertilizer. it is widely used in agriculture and has obvious effects. it can quickly increase the gr…
background technology potassium carbonate is an important basic raw material for inorganic chemicals. it was successfully developed and put into indus…
background and overview[1] laureth-4 is a polyether defoamer. polyether defoamer is a major variety of defoamer at present. it is non-toxic, odorless,…
[background and overview][1] pyrethroid insecticides were put on the market in the 1990s and caused a sensation at the time due to their excellent pro…
background and overview[1] 2,2,3,3-tetrafluoropropanol, commonly known as tetrafluoropropanol, cas number 76-37-9 , is an important chemical raw mater…
background and overview[1-2] dodecaethylene glycol monomethyl ether, also known as dodecaethylene glycol monomethyl ether, is a kind of oligoethylene …