Nondrying alkyd resins 30 Miscellaneous modified alkyd resins 30 Alkyd resins in water dispersion 30 Alkyd resins in molding compositions and other uses 30 Pigments and solvents in alkyd resins 31 Production in the United States 31 Imports into and exports from the United States 32 5. Urea resins: Description and uses 32 Production in the United States 34 United States imports and exports 35 6. Acrylate resins: Properties and uses 35 Production in the United States 37 Imports into and exports from the United States 38 7. Coumarone and indene resins: Description and uses 38 Production in the United States 39 Imports into and exports from the United States 39 8. Petroleum resins: Properties and uses 39 Production 41 Imports and exports 41 9. Polystyrene resins: Properties and uses 41 Production in the United States 42 Imports into and exports from the United States 42 10. Vinyl resins 43 Description and uses: Polyvinyl acetate resins 44 Copolymers of vinyl acetate and vinyl chloride 46 Polyvinyl chloride resins 47 Polyvinyl chloroacetate resins 47 Divinyl acetylene and synthetic rubber 47 Production in the United States 48 Imports into the United States 48 Exports from the United States 50 11. Other synthetic resins: Adipic acid resins 50 Aniline resins 50 Citric acid resins 50 Diphenyl resins 51 Furfural resins 51