Скачать или смотреть What is Drying oil? Explain Drying oil, Define Drying oil, Meaning of Drying oil

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~~~ Drying oil ~~~

Title: What is Drying oil? Explain Drying oil, Define Drying oil, Meaning of Drying oil
Created on: 2019-05-31
Source Link: https://en.wikipedia.org/wiki/Drying_oil

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Description: A drying oil is an oil that hardens to a tough, solid film after a period of exposure to air. The oil hardens through a chemical reaction in which the components crosslink by the action of oxygen . Drying oils are a key component of oil paint and some varnishes. Some commonly used drying oils include linseed oil, tung oil, poppy seed oil, perilla oil, and walnut oil. Their use has declined over the past several decades, as they have been replaced by alkyd resins and other binders. Since oxidation is the key to curing in these oils, those that are susceptible to chemical drying are often unsuitable for cooking, and are also highly susceptible to becoming rancid through autoxidation, the process by which fatty foods develop off-flavors. Rags, cloth, and paper saturated with drying oils may combust spontaneously after a few hours as heat is released during the oxidation process.

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