Synthetic resins
Synthetic resins are materials with similar properties to natural resins - viscous liquids capable of hardening. They are typically manufactured by esterification or soaping of organic compounds. The classic variety is epoxy resin, manufactured through polymerization-polyaddition or polycondensation reactions, used as a thermoset polymer for adhesives and composites. One more catagory which constitutes the 75% of resins used is Unsaturated Polyester Resin Ion exchange resin is another important class with application in water purification and catalysis of organic reactions.
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