Chromium catalyst, preparation method and application thereof

• Main Authors: LIU WENXIA, MI PUKE, ZHANG PENG, CHEN XU, XU RENWEI, FAN JIE, LI LI, WANG HAI, MU RUIJUAN, ZHANG PINGSHENG
• Format: Patent
• Language: Chinese; English
• Published: 16.06.2020
• Subjects: ACYCLIC OR CARBOCYCLIC COMPOUNDS; ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAININGELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN,SULFUR, SELENIUM OR TELLURIUM; CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY; CHEMISTRY; FUELS; LUBRICANTS; LUBRICATING COMPOSITIONS; METALLURGY; ORGANIC CHEMISTRY; PEAT; PERFORMING OPERATIONS; PETROLEUM, GAS OR COKE INDUSTRIES; PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL; TECHNICAL GASES CONTAINING CARBON MONOXIDE; THEIR RELEVANT APPARATUS; TRANSPORTING; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATINGINGREDIENTS IN A LUBRICATING COMPOSITION

The invention discloses a triazacyclohexane chromium trichloride coordination compound catalyst containing a secondary amine substituent, wherein the structure of the chromium coordination compound catalyst is represented by a formula (I), and R1 and R2 are C1-C10 alkyl. The catalyst is especially suitable for oligomerization reactions of ethylene, propylene, butene, hexene, octene, decene and other alpha-olefins, has the characteristics of high catalyst activity and selectivity, and has the advantages of simple synthesis route, accessible raw materials and low cost. 本发明公开了一种含有仲胺取代基的三氮杂环己烷三氯化铬配合物催化剂，铬配合物催化剂结构如式(I)所示：其中，R、R为C-C的烷基。该催化剂特别适用于乙烯、丙烯、丁烯、己烯和辛烯、癸烯等α-烯烃齐聚反应，具有催化剂活性和选择性高的特点，且催化剂的合成路线简单，原料易得，成本低。