一种含磷酸酯配体的单茂钛催化剂及其制备方法和应用技术

本发明专利技术涉及一种含磷酸酯配体的单茂钛催化剂及其制备方法和应用，由０．２摩尔／升四氯化钛己烷溶液与０．５摩尔／升磷酸酯己烷溶液，按摩尔比１．００－１．０５，反应２小时；得到黄绿色的磷酸酯基三氯化钛；将茂基、茚基或它们衍生物之一的三甲基硅化合物与磷酸酯基三氯化钛按摩尔比１．０５～１．１０，在６０－７０℃反应２４小时；得到磷酸酯基二氯单茂钛；酚类或醇类、吡啶和磷酸酯基二氯单茂钛按摩尔比为１∶１∶１．０５－１∶１∶１．１反应，得磷酸酯基单茂钛化合物；催化剂在己烷中分子结构稳定，易溶解，合成方法简便，适用于以己烷为溶剂的均相或淤浆聚合；用于合成由乙烯、α－烯烃为原料的均聚物或共聚物。

Cyclopentadienyl titanium catalyst containing phosphate ligand, preparation method and application thereof

The invention relates to a ligand containing phosphate mono titanocene catalyst and preparation method and application thereof, by 0.2 mol / L four titanium chloride and hexane solution of 0.5 mol / L phosphate solution in hexane, 1 - 1.05 mol ratio, reaction for 2 hours; get phosphate based yellow green three titanium chloride; the cyclopentadienyl, indenyl one of the three groups or their derivatives of methyl silicone compounds and phosphate based titanium trichloride molar in 60 - 1.05 to 1.10, 70 DEG C for 24 hours; get a phosphate group two chloro mono titanocene; phenol or alcohol, pyridine and two chloro phosphate based mono titanocene molar ratio of 1: 1: 1: 1.05 1: 1.1, to phosphate based monotitanocene; catalyst molecular structure is stable, easily dissolved in hexane, the synthesis method is simple, applicable Homogeneous or slurry polymerization in hexane as solvent; used to synthesize homopolymers or copolymers from ethylene and alpha olefins.

【技术实现步骤摘要】

【技术保护点】
一种含磷酸酯配体的单茂钛催化剂，其特征在于：由式（Ⅰ）表述：　＊＊＊　式（Ⅰ）　式中：Ｃｐ为茂基、茚基或它们衍生物之一；Ｍ为磷酸二元酯或其衍生物之一；Ｘ、Ｙ为卤素、烷氧基、苯氧基或其衍生物之一；Ｔｉ为钛原子。

【技术特征摘要】

【专利技术属性】
技术研发人员：张红江，蔡小平，王笑海，东升魁，陈可佳，金春玉，陶青海，刘洪伟，
申请(专利权)人：中国石油天然气股份有限公司，
类型：发明
国别省市：11[中国|北京]