| abstract |
A polyolefin composition comprises (a) a polypropylene polymer, (b) 1,3:2,4-bis-O-[(3,4-dimethylphenyl)methylene]-D-glucitol, and (c) 1,3:2,4-bis-O-[(3,4-dichlorophenyl)methylene]-D-glucitol. A method for producing a polyolefin composition comprises the steps of (a) providing a polypropylene polymer; (b) providing 1,3:2,4-bis-O-[(3,4-dimethylphenyl)methylene]-D-glucitol; (c) providing 1,3:2,4-bis-O-[(3,4-dichlorophenyl)methylene]-D-glucitol; (d) mixing the 1,3:2,4-bis-O-[(3,4-dimethylphenyl)methylene]-D-glucitol and the 1,3:2,4-bis-O-[(3,4-dichlorophenyl)methylene]-D-glucitol with the polypropylene polymer to produce a mixture; (e) heating the mixture to a temperature equal to or greater than the melting point of the polypropylene polymer; and (f) cooling the heated mixture to a temperature below the melting point of the polypropylene polymer, thereby producing a polyolefin composition. |