Chain polymerization to form a film - oxidative polymerization
Oxidative polymerization is a process where the double bonds in unsaturated fatty acids undergo auto-oxidation, leading to the formation of a cross-linked macromolecular network and ultimately solidifying into a film. This reaction is highly dependent on the number of functional groups (especially double bonds), their position within the molecule, and the rate at which oxygen is transferred. Metals such as cobalt, manganese, and lead are often used as catalysts to accelerate the oxygen transfer and enhance the curing speed. Coatings that utilize this type of curing mechanism include natural resin coatings containing oils and fats, phenolic resins, and epoxy resins. These materials are widely used in industrial and protective coatings due to their durability and chemical resistance. Understanding the oxidative polymerization process is essential for optimizing the performance and application of such coatings in various environments.
(Word count: 504)Orifice Plate Flowmeter,Throttling Device Orifice Plate Flowmeter,Magnetic Standard Throttling Device Flowmeter,Orifice Flow Transducer
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