MANUFACTURING METHOD OF POLYMER CATALYST COMPOSITION, MANUFACTURING METHOD OF CONJUGATED DIENE POLYMER AND MANUFACTURING METHOD OF MODIFIED CONJUGATED DIENE POLYMER

• Main Authors: AIDA SHOJIRO, TANABE TOMOE, YAMAGATA YUSUKE
• Format: Patent
• Language: English; Japanese
• Published: 18.05.2017
• Subjects: CHEMISTRY; COMPOSITIONS BASED THEREON; MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVINGCARBON-TO-CARBON UNSATURATED BONDS; METALLURGY; ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP

PROBLEM TO BE SOLVED: To provide a manufacturing method of a polymer catalyst composition high in catalyst activity during polymerization and capable of enhancing the terminal modification rate of a polymer.SOLUTION: There is provided a manufacturing method of a polymer catalyst composition including a process (a) of reacting only a rare earth element compound represented by the following general formula (a-1):M-(AQ)(AQ)(AQ), where M is scandium, yttrium or lanthanoid element, AQ, AQand AQare functional groups which may be the same or different, A is nitrogen, oxygen or sulfur and has at least one M-A bond, ((A) component), at least one compound selected from a group consisting of substituted or unsubstituted cyclopentadiene, substituted or unsubstituted indene and substituted or unsubstituted fluorene ((B) component) and an organic metal compound represented by the general formula (c-1) ((C) component) to obtain a reaction mixture.SELECTED DRAWING: Figure 1 【課題】重合時の触媒活性が高く、重合体の末端変性率を高めることができる重合触媒組成物の製造方法を提供する。【解決手段】下記一般式（ａ−１）：Ｍ-（ＡＱ1）（ＡＱ2）（ＡＱ3）［式中、Ｍは、スカンジウム、イットリウム又はランタノイド元素であり；ＡＱ1、ＡＱ2及びＡＱ3は、同一であっても異なっていてもよい官能基であり；Ａは、窒素、酸素又は硫黄であり；但し、少なくとも１つのＭ−Ａ結合を有する］で表される希土類元素化合物（（Ａ）成分）と、置換又は無置換シクロペンタジエン、置換又は無置換のインデン、及び置換又は無置換のフルオレンからなる群から選択される少なくとも１種の化合物（（Ｂ）成分）と、特定式（ｃ−１）で表される有機金属化合物（（Ｃ）成分）とのみを反応させ、反応混合物を得る工程（ａ）を含むことを特徴とする、重合触媒組成物の製造方法である。【選択図】図１