MITSUI CHEMICALS,INC. Patent applications |
Patent application number | Title | Published |
20130266874 | MELT-BLOWN NONWOVEN FABRIC, AND PRODUCTION PROCESS AND APPARATUS FOR THE SAME - It is an object of the present invention to provide a stable production process for a melt-blown nonwoven fabric comprising thin fibers and having extremely few thick fibers [number of fusion-bonded fibers] formed by fusion bonding of thermoplastic resin fibers to one another, and an apparatus for the same. The present invention relates to a melt-blown nonwoven fabric comprising polyolefin fibers and having (i) a mean fiber diameter of not more than 2.0 μm, (ii) a fiber diameter distribution CV value of not more than 60%, and (iii) 15 or less fusion-bonded fibers based on 100 fibers; a production process for a melt-blown nonwoven fabric characterized by feeding cooling air of not higher than 30° C. from both side surfaces of outlets of slits | 10-10-2013 |
20090069515 | Solid Titanium Catalyst Component, Catalyst for Polymerization of Olefin and Process for Producing Olefin Polymer - A solid titanium catalyst component (I) of the present invention is characterized in that it contains titanium, magnesium, halogen, and a cyclic ester compound (a) represented by the following formula (1): | 03-12-2009 |