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    • 56. 发明公开
    • 전이금속 촉매의 비활성화제 및 이를 이용한 촉매의 비활성화 방법
    • 过渡金属催化剂的去除剂及其催化剂的去除方法
    • KR1020100063444A
    • 2010-06-11
    • KR1020080121962
    • 2008-12-03
    • 주식회사 엘지화학
    • 서범두문지중이은정이충훈하종주정승환이정아금돈호김성진
    • C07F3/04C07F3/06C07F3/02
    • C08F6/02
    • PURPOSE: A non-activating composition of transitional metal catalyst is provided to minimize decoloration and decomposition and to improve uniformity and stability of physical property. CONSTITUTION: A non-activating composition of transitional metal catalyst contains stearic acid metal salt and surfactant. The metal salt is calcium stearate, zinc stearate, or magnesium stearate. The surfactant is Polyoxyethylene Alkyl Ester, Sorbitan Fatty acid Este, and polyoxyethylene Alkyl Amine. A method for non-activating the transitional metal catalyst comprises: a step of preparing mixture of solvent, catalyst, co-catalyst, olefin, and polyolefin; a step of mixing a non-activative composition to non-activate catalyst and co-catalyst; and a step of extracting ligand and by-product of organic compound.
    • 目的:提供过渡金属催化剂的非活化组合物,以减少脱色和分解,并改善物理性能的均匀性和稳定性。 构成:过渡金属催化剂的非活化组合物含有硬脂酸金属盐和表面活性剂。 金属盐是硬脂酸钙,硬脂酸锌或硬脂酸镁。 表面活性剂是聚氧乙烯烷基酯,脱水山梨糖醇脂肪酸Este和聚氧乙烯烷基胺。 一种非活化过渡金属催化剂的方法包括:制备溶剂,催化剂,助催化剂,烯烃和聚烯烃的混合物的步骤; 将非活性组合物与非活化催化剂和助催化剂混合的步骤; 以及提取有机化合物的配体和副产物的步骤。
    • 58. 发明授权
    • 이핵 전이금속 화합물을 포함하는 촉매 조성물을 이용한올레핀의 중합 공정
    • 이핵전이금속화합물을포함하는촉매조성물을이용한올레핀의중합공정
    • KR100874027B1
    • 2008-12-17
    • KR1020060014678
    • 2006-02-15
    • 주식회사 엘지화학
    • 김양기민경석임병권하종주금돈호이은정이정아이병률
    • C08F4/16C08F4/02C08F10/00
    • An olefin polymerization process using a binuclear transition metal compound is provided to obtain an ultralow-density polyolefin having a density of less than 0.910 g/cc in an industrial scale via a continuous process. An olefin polymerization process comprises a step of reacting monomers with a catalyst composition in a continuous reactor, the catalyst composition comprising: a precatalyst that is a transition metal compound represented by the following chemical formula 1; a first cocatalyst that is an alkylammonium compound represented by the chemical formula of Al(R6)3 (wherein R6 is a C1-20 hydrocarbyl or halogen-substituted C1-C20 hydrocarbyl); and a second cocatalyst formed of a Bronsted acid cation and a non-coordinated anion as represented by the chemical formula of [L-H]+[ZA]- (wherein L is a neutral Lewis base; [L-H]+ is a bronsted acid; Z is B or Al having an oxidation number of +3; A is a substituted C6-C20 aryl or alkyl radical). In chemical formula 1, each of R1 and R2 independently represents H, alkyl, aryl, silyl, alkenyl, alkylaryl, arylalkyl or hydrocarbyl-substituted Group 14 metalloid radical, or R1 and R2 together form a ring by being linked to each other via an alkylidene radical; R3 is alkyl, aryl, silyl, alkenyl, alkylaryl, arylalkyl or hydrocarbyl-substituted Group 14 metalloid radical; R4 each represents H, halogen, alkyl or aryl, or two R4s are linked to each other; E is a covalent bridging group for linking two phenylene rings to each other; M is Ti, Zr or Hr; each of Q1 and Q2 represents halogen, alkyl, arylamido, alkyl, alkenyl, aryl, alkylaryl, arylalkyl or alkylidene.
    • 提供使用双核过渡金属化合物的烯烃聚合方法以通过连续方法以工业规模获得密度小于0.910g / cc的超低密度聚烯烃。 烯烃聚合方法包括在连续反应器中使单体与催化剂组合物反应的步骤,所述催化剂组合物包含:作为由以下化学式1表示的过渡金属化合物的预催化剂; 第一种助催化剂,其为由化学式Al(R6)3(其中R6为C1-20烃基或卤素取代的C1-C20烃基)表示的烷基铵化合物; 和由化学式[LH] + [ZA] - (其中L为中性路易斯碱; [LH] +为布朗斯台德酸; Z为由布朗斯台德酸阳离子和非配位阴离子形成的第二助催化剂; Z 是氧化数为+3的B或Al; A是取代的C6-C20芳基或烷基)。 在化学式1中,R 1和R 2各自独立地表示H,烷基,芳基,甲硅烷基,烯基,烷基芳基,芳基烷基或烃基取代的第14族准金属基团,或者R 1和R 2通过彼此连接形成环 亚烷基; R3是烷基,芳基,甲硅烷基,链烯基,烷芳基,芳烷基或烃基取代的第14族准金属基团; R4各自表示H,卤素,烷基或芳基,或者两个R4彼此连接; E是用于将两个亚苯基环相互连接的共价桥连基团; M是Ti,Zr或Hr; Q1和Q2中的每一个表示卤素,烷基,芳基酰胺基,烷基,烯基,芳基,烷基芳基,芳基烷基或亚烷基。
    • 60. 发明公开
    • 초저밀도 폴리올레핀 공중합체의 제조 방법
    • 制备非常低密度聚烯烃共聚物的方法
    • KR1020080070989A
    • 2008-08-01
    • KR1020070008995
    • 2007-01-29
    • 주식회사 엘지화학
    • 금돈호하종주정승환김양기임병권민경석이은정이충훈
    • C08F210/00C08F4/64
    • C08F4/65912C08F2/06C08F4/65908C08F6/12C08F210/16
    • A method for preparing an ultralow density polyolefin copolymer, and an ultralow density polyolefin copolymer prepared by the method are provided to obtain a polyolefin copolymer having a low density at a high polymerization temperature. A method for preparing an ultralow density polyolefin copolymer comprises the step of polymerizing an olefin by using a catalyst composition containing a transition metal compound at a polymerization temperature of 160-210 deg.C. Preferably the transition metal compound is represented by the formula 1, wherein R1 and R2 are independently H, a C1-C20 alkyl group, an aryl group, a silylgroup, a C2-C20 alkenyl group, an alkylaryl group, an arylalkyl group, or a metalloid of the group 14 metal substituted with a hydrocarbyl group; R3 is independently H, a halogen atom, a C1-C20 alkyl group, an aryl group, an alkoxy group, an aryloxy group, or an amido group; CY1 is a substituted or unsubstituted aliphatic or aromatic group; M is a transition metal of the group 4; and Q1 and Q2 are independently a halogen atom, a C1-C20 alkyl group, an alkylamido group, an arylamido group, a C2-C20 alkenyl group, an aryl group, an alkylaryl group, or an arylalkyl group.
    • 提供一种制备超低密度聚烯烃共聚物的方法和通过该方法制备的超低密度聚烯烃共聚物,以获得在高聚合温度下具有低密度的聚烯烃共聚物。 制备超低密度聚烯烃共聚物的方法包括在聚合温度为160-210℃下使用含有过渡金属化合物的催化剂组合物使烯烃聚合的步骤。 优选地,过渡金属化合物由式1表示,其中R 1和R 2独立地为H,C 1 -C 20烷基,芳基,甲硅烷基,C 2 -C 20烯基,烷基芳基,芳烷基或 被烃基取代的第14族金属的准金属; R3独立地为H,卤素原子,C1-C20烷基,芳基,烷氧基,芳氧基或酰胺基; CY1是取代或未取代的脂族或芳族基团; M是第4族的过渡金属; 并且Q1和Q2独立地为卤素原子,C1-C20烷基,烷基酰胺基,芳基酰氨基,C2-C20烯基,芳基,烷基芳基或芳基烷基。