Abstract: A copolyester is provided comprising: a. at least one terephthalate acid residue; b. about 85 to about 96 mole % of ethylene glycol residues; c. about 4 to about 15 mole % of a combination of 1,4-cyclohexanedimethanol residues (CHDM) and diethylene glycol (DEG) residues; and d. a germanium catalyst present in the copolyester at a concentration of about 5 to about 500 ppm based on elemental germanium; wherein the terephthalate monomer is based on the substantially equal diacid equivalents of 100 mole % to diol equivalence of 100 mole % for a total of 200 mole %.

Abstract: The polyester compositions of the invention are useful in the manufacture of shrinkable films. The shrinkable films of the invention are comprised of polyester compositions comprising certain combinations of glycols and dicarboxylic acids in particular proportions which provide a lower level of shrinkage while having a melting temperature to accommodate modern sorting and recycling technologies.

Abstract: An article is provided comprising a copolyester; wherein the copolyester comprises: a. at least one terephthalate monomer residue; b. about 85 to about 96 mole % of ethylene glycol residues; c. about 4 to about 15 mole % of a combination diethylene glycol (DEG) and at least one glycol residue selected from the group consisting of 1,4-cyclohexanedimethanol residues (CHDM), monopropylene glycol residues (MPG), and 2,2,4,4-tetramethyl-1,3-cyclobutane diol residues (TMCD); and d. a germanium catalyst present in the copolyester at a concentration of about 5 to about 500 ppm based on elemental germanium; wherein the diacid monomer is based on the substantially equal diacid equivalents of 100 mole % to diol equivalence of 100 mole % for a total of 200 mole %.

Abstract: A process of producing an article by an extrusion blow molding manufacturing process is provided comprising: melting a copolyester in an extruder to produce a molten copolyester; extruding the molten copolyester through a die to form a tube of molten copolyester parison; clamping a mold having the desired finished shape around the parison; blowing air into the parison causing the parison to stretch and expand to fill the mold to produce a molded article; cooling the molded article; ejecting the article from the mold; and removing excess plastic from the article; wherein the copolyester comprises: at least one terephthalate monomer residue; ethylene glycol residues; a combination of diethylene glycol and at least one glycol residue selected from the group consisting of 1,4-cyclohexanedimethanol residues, monopropylene glycol residues, and 2,2,4,4-tetramethyl-1,3-cyclobutane diol residues; and a germanium catalyst present in the copolyester at a concentration of about 5 to about 500 ppm based on elemental germa

Abstract: A copolyester composition is provided comprising at least one copolyester and at least one polymeric component; wherein said copolyester comprises: a. terephthalate acid residues; b. about 85 to about 96 mole % of ethylene glycol residues; c. about 4 to about 15 mole % of a combination of diethylene glycol (DEG) residues and at least one glycol residue selected from the group consisting of 1,4-cyclohexanedimethanol residues (CHDM), monopropylene glycol residues (MPG), and 2,2,4,4-tetramethyl-1,3-cyclobutane diol residues (TMCD); and d. a germanium catalyst present in the copolyester at a concentration of about 5 to about 500 ppm based on elemental germanium; wherein the terephthalate monomer is based on the substantially equal diacid equivalents of 100 mole % to diol equivalence of 100 mole % for a total of 200 mole %.

Abstract: A process to produce a copolyester is provided comprising: a. polymerizing 1) at least one terephthalate monomer; 2) about 85 to about 96 mole % of ethylene glycol; and 3) about 4 to about 15 mole % of a combination diethylene glycol (DEG) and at least one glycol residue selected from the group consisting of 1,4-cyclohexanedimethanol residues (CHDM), monopropylene glycol residues (MPG), and 2,2,4,4-tetramethy-1,3-cyclobutane diol residues (TMCD); in the presence of a germanium catalyst to produce the copolyester; wherein the germanium catalyst is present in the copolyester at a concentration of about 5 to about 500 ppm based on elemental germanium; wherein the diacid is based on the substantially equal diacid equivalents of 100 mole % to diol equivalence of 100 mole % for a total.

Abstract: A copolyester is provided comprising: a. terephthalate acid residues; b. about 85 to about % mole % of ethylene glycol residues; c. about 4 to about 15 mole % of a. combination of diethylene glycol (DEG) residues and at least one glycol residue selected from the group consisting of 1,4-cyclohexanedimethanol residues (CHDM), monopropylene glycol residues (MPG), and 2, 2,4,4-tetramethyl-1,3-cyclobutane diol residues (TMCD); and d. a germanium catalyst present in the copolyester at a concentration of about 5 to about 500 ppm based on elemental germanium; wherein the terephthalate monomer is based on the substantially equal diacid equivalents of 100 mole % to diol equivalence of 100 mole % for a total of 200 mole %.

Abstract: The invention provides shrinkable films comprised of polyesters comprising certain combinations of glycols and diacids in particular proportions. These polyesters afford certain advantageous properties in the resulting shrinkable films, and thus are suitable as drop-in replacements for commercially available shrink films made using poly(vinyl chloride).

Abstract: The invention provides shrinkable films comprised of polyesters comprising certain combinations of glycols and diacids in particular proportions. These polyesters afford certain advantageous properties in the resulting shrinkable films, and thus are suitable as drop-in replacements for commercially available shrink films made using poly(vinyl chloride).