Epoxy curing agent Knowledge [Castor Oil Supply] What are oxidized castor oil and epoxidized castor oil?

[Castor Oil Supply] What are oxidized castor oil and epoxidized castor oil?

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Castor oil is a triglyceride of fatty acids. Castor oil is found in castor beans In the seeds, its content is 35% to 57.%. “Castor oil is obtained by squeezing or solvent extraction. It is almost colorless or slightly yellow, clear and viscous liquid; has a slight odor; has a light taste and then is slightly pungent, and is easily soluble in ethanol. , can be mixed with absolute ethanol, chloroform, ether or glacial acetic acid at will, and should be widely used in coatings.

There are many derivatives of castor oil. The following will take you to know about oxidized castor oil. With epoxidized castor oil:

Oxidized castor oil is often referred to as blowing oil and blowing oil. It is made by air oxidation of castor oil at high temperature. The resulting product contains various A complex mixture with a structure, mainly used as a toughener for nitrocellulose paint, lacquer, spray paint, and can be used in polyurethane paint.

Epoxidized castor oil is castor oil directly mixed with ethylene oxide or ethylene oxide. It can be obtained by alkoxylation reaction of propylene oxide, etc. Castor oil can also be hydrolyzed or transesterified before alkoxylation reaction, or it can be hydrogenated and then alkoxylated. The obtained epoxidized castor oil has the same effect as that of epoxidized castor oil. It is comparable to oxygenated soybean oil and has certain applications in coatings.

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