Patent ID: 7879933
Filing Date: 2011-02-01
Classification: C08K

Abstract:
1. A thermoplastic composition consisting essentially of: (a) a thermoplastic polymer selected from the group consisting of polyolefins, polyamides, polyesters, and combinations thereof; (b) a first nucleating agent selected from the group consisting of compounds conforming to the structure of Formula (I) wherein M (c) a second nucleating agent selected from the group consisting of compounds conforming to the structure of Formula (II) wherein R is selected from the group consisting of a carbon-to-carbon bond, thio sulfur (—S—), and alkylidene groups conforming to the structure below in which R 3 and R 4 are selected from the group consisting of hydrogen, alkyl having from one to about eighteen carbon atoms, and cycloalkyl, including cycloalkylidene in which R 3 and R 4 are taken together as part of a cycloalkylene ring having from three to about twelve carbon atoms; wherein R wherein M is a metal atom selected from the group consisting of alkali metal atoms and alkaline earth metal atoms; and n is the valence of the metal atom M, and ranges from 1 to 2.