Polyester compositions containing cyclobutanediol having a certain combination of inherent viscosity and moderate glass transition temperature and articles made therefrom

A clear, semicrystalline article of manufacture comprising a polyester composition comprising at least one polyester which comprises:

• (a) a dicarboxylic acid component comprising:
• i) 80 to 100 mole % of terephthalic acid residues;
• ii) 0 to 20 mole % of aromatic dicarboxylic acid residues having up to 20 carbon atoms;
• and
• iii) 0 to 10 mole % of aliphatic dicarboxylic acid residues having up to 16 carbon atoms and
• (b) a glycol component comprising:
• i) 1 to 5 mole % of 2,2,4,4-tetramethyl-1,3-cyclobutanediol residues;
• and
• ii) 95 to 99 mole % of 1,4-cyclohexanedimethanol residues,
• wherein the total mole % of the dicarboxylic acid component is 100 mole %, and the total mole % of the glycol component is 100 mole %;
• wherein the inherent viscosity of said polyester is from 0.35 to 1.2 dL/g as determined in 60/40 (wt/wt) phenol/tetrachloroethane at a concentration of 0.5 g/100 ml at 25° C.;
• wherein said polyester has a Tg of 85 to 115° C.