What is claimed is:
1. A composition comprising:
semicrystalline polylactic acid polymer; anda nucleating agent having the formula:wherein R1 is an alkylene group; andR2 is a C1-C6 alkyl group.
Lactic acid is a renewable material obtained by the bacterial fermentation of corn starch or cane sugar, and thus is considered a natural or in otherwords “biomass” material. Lactic acid has two optical isomers: L-lactic acid (also known as (S)-lactic acid) and D-lactic acid (also known as (R)-lactic acid), depicted...