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Application of Metal Passivator Benzotriazole Derivatives
- Categories:Additive Component
- Author:
- Origin:
- Time of issue:2022-06-24 14:57
- Views:
(Summary description)Benzotriazoles and their derivatives can also be used in organic synthesis. 1-Hydroxybenzotriazole is a carboxyl activating reagent in peptide synthesis and is used as an auxiliary reagent in DCC synthesis of peptides.
Application of Metal Passivator Benzotriazole Derivatives
(Summary description)Benzotriazoles and their derivatives can also be used in organic synthesis. 1-Hydroxybenzotriazole is a carboxyl activating reagent in peptide synthesis and is used as an auxiliary reagent in DCC synthesis of peptides.
- Categories:Additive Component
- Author:
- Origin:
- Time of issue:2022-06-24 14:57
- Views:
Benzotriazoles and their derivatives can also be used in organic synthesis. 1-Hydroxybenzotriazole is a carboxyl activating reagent in peptide synthesis and is used as an auxiliary reagent in DCC synthesis of peptides. 1-Chlorobenzotriazole can be used as a chlorinating reagent, which transfers a Cl+ to a substrate, and as an oxidant, oxidizing primary and secondary alcohols to aldehydes and ketones.
Benzotriazoles belong to ultraviolet absorbers and are the most important class of light stabilizers. The common ones are 2-(2'-hydroxy-5'-methylphenyl)benzotriazole (UV-P), 2-(2'-Hydroxy-3'-tert-butyl-5'-methylphenyl)-5-chlorobenzotriazole (UV-326), 2-(2'-hydroxy-3',5' -Di-tert-butylphenyl)-5-chlorobenzotriazole (UV-327), etc., currently used in polyolefin, polyvinyl chloride, polystyrene, acrylic resin, polyester, polyamide, cellulose ester, etc. It is used as an anti-aging agent in plastics and also as a sunscreen.
Benzotriazole is a useful anti-corrosion agent, especially for copper, which can form a layer of insoluble copper benzotriazole (I) with copper. It also has the same anti-corrosion effect on metal materials such as aluminum, cast iron, steel, nickel, and zinc. It can be added to antifreeze for automobile engines, lubricating oil for grinding and cutting, and cleaning fluid for copper and copper alloys to prevent corrosion and improve. The purpose of the corrosion inhibition effect.
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