| 摘要 |
PURPOSE:To obtain polyolefine compound for biaxial stretched film of which transparency and blocking resistibility have been remarkably improved by mixing fine particles of A type zeolite having a specific grain distribution into polyolefine as a blocking prevention agent. CONSTITUTION:Fine particles of A type zeolite having a sharp grain distribution composed of spherical or roundish cubic crystal particles of which primary particles are in the range of substantially 0.1-5mum by an electromicroscopic observation, and also more than 70% of particles are in the range of 1-4mum by light transmission type grain distribution measurement are mixed with polyoefine as an blocking prevention agent. By biaxially extending the polyoefine compound thus obtained by the conventional method, a biaxial stretched polyoefine film which is excellent in workability, transparency and blocking resistibility can be obtained. |
