Reactive hydroxyl groups at polymer chain ends enabling chemical modification and crosslinking in industrial polyethylene glycol plasticizers.
Terminal hydroxyl groups are reactive functional groups located at the ends of polyethylene glycol (PEG) polymer chains in industrial plasticizers. These -OH groups provide sites for chemical reactions such as esterification, etherification, and crosslinking, allowing modification of polymer properties including viscosity, compatibility, and thermal stability. In industrial applications, they enable covalent bonding with other materials and control of plasticizer performance characteristics.
该组件会出现在以下整机或工业产品中。
诱因 → 失效模式 → 工程缓解
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They provide reactive sites for chemical modification, allowing customization of plasticizer properties like compatibility, viscosity, and thermal stability for specific industrial applications.
Through hydroxyl value determination using titration methods per ISO 14900 or ASTM D4274, measuring the amount of potassium hydroxide equivalent to the hydroxyl content.
Inconsistent reactivity can lead to variable plasticizer performance, poor polymer compatibility, uncontrolled crosslinking, and batch-to-batch inconsistency in final products.
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