| 摘要 |
PROBLEM TO BE SOLVED: To obtain a crystalline polyolefin composition which is improved in transparency and image clarity and shows excellent processability without problems on adhesion of dirt to a film forming rall when extrusion molding and mold deposits on injection molding. SOLUTION: This polyolefin composition comprises a crystalline polyolefin and alumina and the alumina with an average particle size of 0.01-10μm, preferably 0.01-5μm is contained in an amount of 0.1-1,000ppm, preferably 0.5-500ppm. Sheets and oriented films are obtained from this composition. |
