Castor oil are non-drying oil, its main component is higher fatty triglycerides. A saponification value of 180mgKOH / g or more, and an iodine value 82-90mg I2 / g, a hydroxyl value of 155mg KOH / g or more.
By introducing an appropriate amount of dehydrated castor oil acid modified epoxy resin is esterified, the preparation of a stable emulsion and improve the flexibility of the film. Further introduction of dehydrated castor oil acids can reduce the curing temperature, with the dehydrated ricinoleic cured unsaturated double bond to improve the overall performance of the film.
Extensive source of castor oil acid, dehydrated castor oil with acid-modified epoxy resin helps reduce costs.
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