PROCESS FOR THE PREPARATION OF A CATALYST USEFUL FOR THE HYDROGENATION OF STYRENE-BUTADIEN COPOLYMERS

• Main Authors: CAVALLO CLAUDIO, VALLIERI, ANDREA, VIOLA, GIAN TOMMASO
• Format: Patent
• Language: English; Korean
• Published: 01.02.2000
• Edition: 7
• Subjects: CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY; CHEMISTRY; COMPOSITIONS BASED THEREON; MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVINGCARBON-TO-CARBON UNSATURATED BONDS; METALLURGY; ORGANIC MACROMOLECULAR COMPOUNDS; PERFORMING OPERATIONS; PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL; THEIR PREPARATION OR CHEMICAL WORKING-UP; THEIR RELEVANT APPARATUS; TRANSPORTING; TREATMENT OR CHEMICAL MODIFICATION OF RUBBERS

올레핀계 이중 결합의 선택적 수소화에 효과적인, 하기의 성분들의 반응에 의해서 제조된 촉매 조성물 ; (A) 하나 이상의 비용매성 희석제에서 분산되거나 또는 고체 형태인, 하기 화학식 1 로 표시되는 화합물을 함유하는 비스(시클로펜타디에닐)티타늄 유도체 하나 이상 ; (식 중, R 및 R은 같거나 다를 수 있으며, 할로겐을 표시한다) ; (B) 하기 화학식 2 로 표시되는 화합물을 함유한 유기 유도체 하나 이상 ; (식중, M 은 아연 및 마그네슘, 바람직하게는 마그네슘으로부터 선택되고, R및 R은 같거나 다를 수 있으며, C-C알킬로부터 선택된다); (C) 개질제 하나 이상. Catalytic composition effective in the selective hydrogenation of olefinic double bonds prepared by the reaction between: (A) at least one bis(cyclopentadienyl)Titanium derivative having the general formula (I) (C5H5)2Ti(R)(R1) wherein R and R1, the same or different, are halogens; the above compound (I) being solid or dispersed in one or more non-solvent diluents; (B) at least one organo derivative having general formula (II) M(R2)(R3), wherein M is selected from Zinc and Magnesium, and R2 and R3, the same or different, are selected from C1-C16 alkyls; (C) at least one modifier.