| 摘要 |
Described are film(s) and/or sheet(s) made using polyester compositions comprising polyesters containing (a) a dicarboxylic acid component having from about 70 to 100 mole % of terephthalic acid residues, and up to about 30 mole % of aromatic dicarboxylic acid or aliphatic dicarboxylic acid residues; and (b) a glycol component comprising 2,2,4,4-tetramethyl-1,3-cyclobutanediol, and 1,4-cyclohexanedimethanol.
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