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.
Castor oilhas the following applications in plasticizing: p>
Castor oil can be made into an excellent vegetable fatliquor after sulfation and sulfation, which is used for leather fatliquor in the tanning industry. This series of fatliquors has strong bonding with leather and has a soft hand feel , the leather made from it maintains its original style for a long time. At the same time, sulfated castor oil is used as a plasticizer for protein-based finishing agents, which can increase the softness of the coating.
Castor oil can also be directly used for plasticizing Agent. In polymer materials, whether it is processing soft PVC or hard PVC, an appropriate amount of castor oil can be used to replace part of the plasticizer, which not only reduces production costs, but also improves the performance of the product.
Epoxyacetyl ricinoleic acid methyl ester produced from castor oil-flavored raw materials has been used as a new plasticizer and stabilizer, partially replacing traditional DOP, and has excellent plasticizing effect.
Polyester produced with castor oil and other raw materials has a triglyceride structure, so the product has excellent flexibility. When combined with synthetic rubber, it can improve the processing performance of the rubber, making the product more cold-resistant and resistant. Enhanced thermal and oil resistance
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