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several uncommon environmentally friendly plasticizers and their production overview
(1) citrate ester commonly used citrate ester plasticizers, there are two main varieties: tributyl citrate, acetyl tributyl citrate tributyl citrate is produced by the direct esterification of citric …
the main uses and principles of action of antioxidants
the performance of polymer materials often deteriorates during processing, use and storage. such as plastic turning yellow, brittle, and cracking. rubber becomes sticky, hard, cracks, and has reduced …
kain industrial additives: definition and use of dyes
some colored organic compounds in nature can dye fiber materials or paper, leather and other substances into various beautiful and strong colors using appropriate methods. however, some organic compou…
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 nstream …
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…
