A method for the manufacture of a poly(butylene terephthalate-co-adipate) copolymer, the method comprising: (a) polymerizing 1,4-butane diol, a polyester component residue and an acid component comprising, based on the total weight of the acid component, 1) from 20 to 95 weight percent of an adipic acid component selected from the group consisting of adipic acid, an ester-forming derivative of adipic acid, and combinations thereof, and 2) from 5 to 80 weight percent of recycle dimethyl terephthalate; said polyester component residue being a polyethylene terephthalate component selected from polyethylene terephthalate, polyethylene terephthalate copolymers and combinations thereof, in the presence of a catalyst under conditions effective to form poly(butylene terephthalate-co-adipate) oligomers; (b) adding a catalyst quencher, selected from the group consisting of a phosphorus-containing compound, a nitrogen containing compound, a boron-containing compound, and combination thereof; and (c) reacting the quenched poly(butylene terephthalate-co-adipate) oligomers with from 0.05 to 5 weight percent, based on total weight of poly(butylene terephthalate-co-adipate) oligomer, of a chain extender selected from isocyanurate, polyisocyanate, isocyanate and combinations thereof, to form the poly(butylene terephthalate-co-adipate) copolymers, wherein the copolymer has a melt temperature of 100 to 115°C, as determined by differential scanning calorimetry using a 20°C/min heating rate, a number average molecular weight of at least 40,000 to 200,000 g/mole, as determined by gel permeation chromatography using polystyrene standards, an intrinsic viscosity of at least 1.2 deciliter per minute, a Tg of -25 to -10°C, as determined by differential scanning calorimetry using a 20°C/min heating rate, and wherein the copolymer comprises less than 10 mole percent of ethylene glycol groups, based upon poly(butylene terephthalate-co-adipate) copolymer. (a) polymerizing 1,4-butane diol, a polyester component residue and an acid component comprising, based on the total weight of the acid component, 1) from 20 to 95 weight percent of an adipic acid component selected from the group consisting of adipic acid, an ester-forming derivative of adipic acid, and combinations thereof, and 2) from 5 to 80 weight percent of recycle dimethyl terephthalate; said polyester component residue being a polyethylene terephthalate component selected from polyethylene terephthalate, polyethylene terephthalate copolymers and combinations thereof, in the presence of a catalyst under conditions effective to form poly(butylene terephthalate-co-adipate) oligomers; 1) from 20 to 95 weight percent of an adipic acid component selected from the group consisting of adipic acid, an ester-forming derivative of adipic acid, and combinations thereof, and 2) from 5 to 80 weight percent of recycle dimethyl terephthalate; said polyester component residue being a polyethylene terephthalate component selected from polyethylene terephthalate, polyethylene terephthalate copolymers and combinations thereof, (b) adding a catalyst quencher, selected from the group consisting of a phosphorus-containing compound, a nitrogen containing compound, a boron-containing compound, and combination thereof; and (c) reacting the quenched poly(butylene terephthalate-co-adipate) oligomers with from 0.05 to 5 weight percent, based on total weight of poly(butylene terephthalate-co-adipate) oligomer, of a chain extender selected from isocyanurate, polyisocyanate, isocyanate and combinations thereof, to form the poly(butylene terephthalate-co-adipate) copolymers, wherein the copolymer has a melt temperature of 100 to 115°C, as determined by differential scanning calorimetry using a 20°C/min heating rate,