| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a polymerization reaction apparatus for propylene excellent in a balance of rigidity/impact-resistance strength and suppressing generation of a gel and glossiness in addition to it in a manufacturing method for a propylene based block copolymer by a multi-stage continuous vapor-phase polymerization method using an olefin polymerization catalyst, and a manufacturing method for the propylene based block copolymer. <P>SOLUTION: The reaction apparatus for manufacturing the propylene based polymer by the multi-stage continuous vapor-phase polymerization method includes at least one lateral type reaction tank having an agitator rotated around a horizontal axis inside and at least one complete mixing tank connected to the lateral type reaction tank, a receiver having a level meter is provided between the lateral type reaction tank and the complete mixing tank, and the amount of the polymer to be transferred between both tanks is controlled. <P>COPYRIGHT: (C)2011,JPO&INPIT</p> |
