Patent ID: 7723413

Claim:
A polyolefin-based resin composition comprising a polyolefin-based resin and a crystallization rate-controlling composition comprising: (A) at least one amide-based compound represented by General Formula (1) R 1 CONHR 2 ) k (1) wherein R 1 represents a residue obtained by removing all the carboxyl groups of 1,2,3-propanetricarboxylic acid or 1,2,3,4-butanetetracarboxylic acid, k represents an integer of 3 or 4, and the three or four R 2 groups are the same or different, and each represent cyclohexyl or cyclohexyl substituted with one C 1-10 linear or branched alkyl; and (B) at least one fatty acid metal salt represented by General Formula (2) (R 3 —COO n M (2) wherein R 3 represents a residue obtained by removing the carboxyl group from a C 8-32 saturated or unsaturated aliphatic monocarboxylic acid which may have at least one hydroxyl group per molecule, n represents an integer of 1 or 2, when n is 2, the two R 3 groups may be the same or different, and M represents a monovalent or divalent metal, the component (A): component (B) weight ratio being from 95:5 to 30:70.