The application of epoxidized soybean oil after effective transformation is also the development direction in recent years. The adduct of epoxidized soybean oil and methylamine can be used as an anti-corrosion agent for coatings. Some studies have reacted epoxidized soybean oil with methylamine and then emulsified it. The emulsified methylamine adduct is mixed with styrene/ The effects of different concentrations of methylamine adducts on the properties of cured films were discussed. Compared with chromate anti-corrosion pigments, it was found that methylamine adducts were more cost-effective, less polluting, and had a mass fraction of The anti-corrosion effect is better at 0.5%. The epoxidized soybean oil was reacted with a series of reagents (including some long-chain fatty acids), and then reacted with diisocyanate to terminate the reaction when the residual cyanate group mass fraction was 1.8%, and then an appropriate amount of aminoalkane coupling agent was added to the prepolymer. With a small amount of methanol, isocyanate-free moisture-curing polyurethane coatings can also be prepared. The system is autocatalytic and does not need to be exposed to moisture for a long time to obtain good performance.
Converting epoxidized soybean oil into a new type of soybean oil phosphate polyhydroxy compound, and applying it in coatings has achieved results: taking advantage of its easy compatibility with water-based or solvent-based stoving paints, a heat-cured water-soluble alcohol was prepared. acid coating, and found that the coating has less demanding curing conditions, strong adhesion, low VOC content, and excellent impact strength and hardness. The research results of soybean oil phosphate polyhydroxy compounds have opened up a low-cost way for the coating industry to prepare new coatings with high toughness and good durability, and the preparation process is pollution-free, which is of great commercial development value. Domestic epoxidized soybean oil acrylate and modified epoxidized soybean oil acrylate, the application research of UV-curable optical fiber inner coating is advancing continuously. Among them, epoxy soybean oil acrylate coating can be used as surface metallized film coating, which is particularly suitable for Manufacture of cardboard varnishes, varnishes, wood varnishes, pigments, etc. With the development of the coating industry in the direction of environmental protection and energy saving, the application of epoxidized soybean oil, including the application of various coatings, will be further broadened.