resins Definition

any of various solid or semisolid amorphous fusible flammable natural organic substances that are usually transparent or translucent and yellowish to brown, are formed especially in plant secretions, are soluble in organic solvents (such as ether) but not in water, are electrical nonconductors, and are used chiefly in varnishes, printing inks, plastics, and sizes and in medicine

rosin

any of a large class of synthetic products that have some of the physical properties of natural resins but are different chemically and are used chiefly in plastics

to treat with resin

a glassy thermoplastic made by polymerizing acrylic acid or methacrylic acid or a derivative of either and used for cast and molded parts or as coatings and adhesives

a flexible usually thermosetting resin made by copolymerization of an epoxide with another compound having two hydroxyl groups and used chiefly in coatings and adhesives —called also epoxy

a product consisting essentially of a mixture of gum and resin usually obtained by making an incision in a plant and allowing the juice which exudes to solidify

an insoluble material of high molecular weight that contains groups which can be exchanged with ions in a solution with which it is in contact

a thermosetting resin made from melamine and an aldehyde and used especially in molded or laminated products, adhesives, and coatings

resin

any of various thermoplastic resinous materials that are essentially polymers of vinyl compounds