Abstract: A thermoplastic composition, such as PET, contains an inert iron compound such as FeP, FeSi, or combinations thereof, having no chemical activity in the PET, with or without certain quantities of elemental metals, such as antimony, and a reducing agent or other stabilizer such as phosphite or phosphoric acid. A method for forming this composition is also disclosed. The composition may also optionally contain a color stabilizer, a DEG inhibitor and stress crack inhibiting agents.

Abstract: Polyester compositions which are dispersible or soluble in water based systems can be very valuable as adhesives, coatings, paints, and the like. The use of water based solvent systems eliminates recovery and toxicity problems normally related with many organic solvents. The polyester compositions of this invention have an increased affinity for water based systems by the incorporation therein salts of organic sulfonic acid monomers and by carboxyl terminating these polyesters to a very substantial degree. The water based systems in which these modified polyesters are useful contain an alcohol in addition to water.

Abstract: Polyester compositions which are dispersible or soluble in water based systems can be very valuable as adhesives, coatings, paints, and the like. The use of water based solvent systems eliminates recovery and toxicity problems normally related with many organic solvents. The polyester compositions of this invention have an increased affinity for water based systems by the incorporation therein salts of organic sulfonic acid monomers and by carboxyl terminating these polyesters to a very substantial degree. The water based systems in which these modified polyesters are useful contain an alcohol in addition to water.