| 摘要 |
PURPOSE:Titled particles useful as molding material for parts of medical instruments such as injectors etc., electronic oven trays, communication cable that is non-adhesive and excellent in extrusion stability in the case of melt molding prepd. by sticking a specific amount of lubricant onto the surface. CONSTITUTION:Lubricant (preferably calcium stearate, sodium, zinc, etc.) of 0.001-5wt%, preferably, 0.01-0.5% is added to poly 4-methyl-1-pentene particles (with diameters 2-5mm., for example) and mixed by a Henschel mixer or the like to stick the lubricant to the particle surfaces. |
