Knowledge
Implement refined services | Kaiyin Chemical front warehouse + digital drive to provide you with stability + cost-effectiveness
Currently, affected by the epidemic and various factors, the supply and demand situation in the chemical industry market is complex and changeable, which has brought stability to upstream and downstre…
Kain Industrial Additives: Introduction to Application Classification of Dyes
Categories are based on the application objects of dyes, dyeing methods, application performance and combination forms with dyed substances. (1) Acid dyes and acid combined dyes Acid dye molecules con…
Properties and types of ion exchange resins
Ion exchange resin is an insoluble polymer electrolyte composed of a cross-linked polymer skeleton and an ionizable group. It can carry out an exchange reaction with ions with the same charge in the l…
Kain Chemical: Synthesis method of ion exchange resin
The synthesis of strong acid cation exchange resin is briefly introduced into two types: polymerization type and condensation type. ①Polymerization type: This method uses styrene and diethyl benzene t…
Performance and manufacturing process of polymer separation membrane
Polymer membrane uses external energy or position difference as the driving force to separate, classify, purify and enrich the solutes and solvents of two-component or multi-component solutions. The m…
Separation technology and application of polymer reverse osmosis membrane and ultrafiltration membrane
Reverse osmosis membranes and ultrafiltration membranes are currently used in many fields. In medicine, the preparation of medical water and medical devices, such as hemodialysis membranes, can remove…
Kain recommends | Antioxidants: the “anti-aging miracle drug” of the chemical industry
Introduction to antioxidants Antioxidants are chemicals used to delay or inhibit the oxidation process of polymers. They can extend the service life of polymers and are also called “anti-aging a…
Brief analysis of the meaning of chelating resin and the classification of polymer chelating agents
1. The meaning of chelating resin ChelationResinUsually refers to a functional resin with a cross-linked polymer as the backbone and special functional groups that can form complexes with metal ions t…
Introduction to several common polymer chelating agents
(1) Polymer chelating agent whose coordinating atom is oxygen There are many such chelating agents, the simplest and most easily available is polyvinyl alcohol (PVA ). It is obtained by hydrolyzing po…
The definition and function of paint
Definition of paint Coating is a general term for materials that are applied to the surface of objects and can form a tough protective film. It used to be called “paint”. Since the 20th ce…
