摘要:
A polyolefin having superior particle properties such as an extremely high bulk density, a large average particle diameter and a narrow particle size distribution, and having a narrow molecular weight distribution, is obtained in high yield, by polymerizing an olefin, using a catalyst comprising a solid catalyst component and an organometallic compound, the solid catalyst component being obtained by reacting a) a silicon oxide and/or an aluminum oxide, the reaction product of an organomagnesium compound and a compound of the general formula Me(OR).sub.n X.sub.Z-n, and a titanium compound, in the presence of ROH, and further reacting the resulting reaction product with a compound of the general formula AlR.sub.q X.sub.3-q.
摘要:
Polyolefins exhibiting better particle properties are prepared by polymerizing an olefin or olefins in the presence of a catalyst comprising a solid catalyst component and an organometallic compound, said solid catalyst component being prepared by the reaction of the following components [I] and [II]:[I] a reaction product obtained by reacting the following components (1), (2) and (3) with one another in the presence of a compound represented by the general formula ROH wherein R is a hydrocarbon radical having 1 to 20 carbon atoms or an organic residue containing such an element as oxygen, nitrogen, sulfur, or chlorine:(1) a silicon oxide and/or an aluminum oxide;(2) a reaction product obtained by the reaction of a magnesium halide and compound represented by the general formula Me(OR).sub.n X.sub.z-n wherein Me represents an element of Groups I to IV in the Periodic Table, z represents the valence of the element Me, n is 0
摘要翻译:通过在包含固体催化剂组分和有机金属化合物的催化剂存在下聚合烯烃或烯烃来制备表现出更好颗粒性能的聚烯烃,所述固体催化剂组分通过以下组分[I]和[II]的反应制备: [I]通过使下列组分(1),(2)和(3)在通式ROH表示的化合物的存在下反应获得的反应产物,其中R是具有1至20个碳原子的烃基 或含有氧,氮,硫或氯等元素的有机残渣:(1)氧化硅和/或氧化铝; (2)通过卤化镁与通式Me(OR)n X z-n表示的化合物反应获得的反应产物,其中Me表示周期表中第I至IV族的元素,z表示元素的化合价 Me,n为0
摘要:
Polyolefins exhibiting better particle properties are prepared by polymerizing an olefin or olefins in the presence of a catalyst comprising a solid catalyst component being prepared by the reaction of the following components �I! and �II!: �I! a reaction product obtained by reacting the following components (1), (2) and (3) with one another: (1) a silicon oxide and/or an aluminum oxide; (2) a reaction product obtained by the reaction of a magnesium halide and compound represented by the general formula Me(OR).sub.n X.sub.z-n wherein Me represents an element of Groups I to IV in the Periodic Table, z represents the valence of the element Me, n is 0
摘要翻译:表现出更好的颗粒性能的聚烯烃通过在包含通过以下组分[I]和[II]的反应制备的固体催化剂组分的催化剂存在下聚合烯烃或烯烃来制备:[I] 以下组分(1),(2)和(3)彼此:(1)氧化硅和/或氧化铝; (2)通过卤化镁与通式Me(OR)n X z-n表示的化合物反应获得的反应产物,其中Me表示周期表中第I至IV族的元素,z表示元素的化合价 Me,n为0
摘要:
A process for preparing polyolefins by polymerizing or coploymerizing an olefin or olefins in the presence of a catalyst comprising a solid catalyst component and an organometallic compound is provided.
摘要:
Olefin is polymerized using a catalyst comprising a solid catalyst component and an organometallic compound, the solid catalyst component being prepared by reacting 1 a reaction product obtained by reacting the reaction product of Si oxide and/or Al oxide and Ti compound or both Ti compound and V compound (Ti.V component) with organic Al compound, with 2 a reaction product obtained by the reaction of Mg halide, a compound of the general formula Me(OR).sub.n X.sub.z-n and Ti.V component (optional component), and further reacting the reaction product of the above 1 and 2 with 3 a compound of the general formula R.sub.p Si(OR).sub.q X.sub.4-p-q.
摘要:
A catalyst comprises a composition resulting from mutual contact of the following Components (A), (B), (C) and (D): said Component (A) being a reaction product resulting from mutual contact of components (a), (b) and (c); said component (a) being represented by the formula Me.sup.1 R.sup.1.sub.p (OR.sup.2).sub.q X.sup.1.sub.4-p-q I wherein R.sup.1 and R.sup.2 each are a C.sub.1 -C.sub.24 hydrocarbon moieties, X.sup.1 is a hydrogen atom or a halogen atom, Me.sup.1 is titanium, zirconium or hafnium, p and q are 0.ltoreq.p.ltoreq.4, 0.ltoreq.q.ltoreq.4 and 0.ltoreq.p+q.ltoreq.4, said component (b) being represented by the formula Me.sup.2 R.sup.3.sub.m(OR.sup.4).sub.n X.sup.2.sub.z-m-n II wherein R.sup.3 and R.sup.4 each are a C.sub.1 -C.sub.24 hydrocarbon moieties, X.sup.2 is a hydrogen atom or a halogen atom, Me.sup.2 is an element of Groups I to III in the Periodic Table, z is a valence of Me.sup.2, and m and n are 0.ltoreq.m.ltoreq.z, 0.ltoreq.n.ltoreq.z and 0
摘要:
Polyolefins having better particle properties are obtained by polymerizing olefins in the presence of a catalyst comprising a solid catalyst component and an organometallic compound, the said solid catalyst component being prepared by reacting the following components [I] and [II] and further reacting the resulting reaction product with the following component [III]:[I] a reaction product obtained by reacting:(1) a silicon oxide and/or an aluminum oxide, and(2) a titanium compound, or a titanium compound and a vanadium compound, and further reacting the resulting reaction product with:(3) an organoaluminum compound;[II] a reaction product obtained by the reaction of:(1) a magnesium halide, and(2) a compound represented by the general formula Me(OR).sub.n X.sub.z-n wherein Me represents an element of Groups I to IV in the Periodic Table, z represents the valence of the element Me, n is 0
摘要:
A catalyst comprises a composition resulting from mutual contact of the following Components. (A), (B), (C) and (D):said Component (A) being a reaction product resulting from mutual contact of components (a), (b) and (c);said component (a) being represented by the formulaMe.sup.1 R.sup.1.sub.p (OR.sup.2).sub.q X.sup.1.sub.4-p-q Iwherein R.sup.1 and R.sup.2 each are a C.sub.1 -C.sub.24 hydrocarbon moieties, X.sup.1 is a hydrogen atom or a halogen atom, Me.sup.1 is titanium, zirconium or hafnium, p and q are 0.ltoreq.p.ltoreq.4, 0.ltoreq.q.ltoreq.4 and 0.ltoreq.p+q.ltoreq.4,said component (b) being represented by the formulaMe.sup.2 R.sup.3.sub.m (OR.sup.4).sub.n X.sup.2.sub.z-m-n IIwherein R.sup.3 and R.sup.4 each are a C.sub.1 -C.sub.2 4 hydrocarbon moieties, X.sup.2 is a hydrogen atom or a halogen atom, Me.sup.2 is an element of Groups I to III in the Periodic Table, z is a valence of Me.sup.2, and m and n are 0.ltoreq.m.ltoreq.z, 0.ltoreq.n.ltoreq.z and 0.ltoreq.m+n.ltoreq.z, and said component (c) being an organocyclic compound having two or more conjugated double bonds;said Component (B) being a modified organoaluminum compound having Al-O-Al bonds;said Component (C) being an organocyclic compound having two or more conjugated double bonds which is different from component (c); andsaid Component (D) being an inorganic carrier or particulate polymer carrier. The disclosed catalyst find extensive use in the manufacture of olefinic polymers having a relatively high molecular weight and a relatively wide molecular weight distribution as well as olefinic copolymers having a relatively narrow composition distribution.
摘要:
An olefin polymerization is conducted in the presence of a catalyst comprising a solid catalyst component and an organometallic compound, said solid catalyst component being prepared by reacting the following components [I], [II] and [III] with one another:[I] a reaction product obtained by reacting the following components (1), (2) and (3) with one another:(1) a silicon oxide and/or an aluminum oxide;(2) a reaction product obtained by the reaction of a magnesium halide and a compound represented by the general formula Me(OR).sub.n X.sub.z-n where Me represents an element of Groups I to IV in the Periodic Table, z represents the valence of the element Me, n is 0
摘要翻译:在包含固体催化剂组分和有机金属化合物的催化剂的存在下进行烯烃聚合,所述固体催化剂组分通过使以下组分[I],[II]和[III]彼此反应制备:[I] 通过使以下组分(1),(2)和(3)彼此反应获得的反应产物:(1)氧化硅和/或氧化铝; (2)通过卤化镁与通式Me(OR)n X z-n表示的化合物反应得到的反应产物,其中Me表示周期表中第Ⅳ至Ⅳ组元素,z表示 元素Me,n为0
摘要:
A novel olefin polymerization catalyst is obtained by contacting the following components (1) to (5) with one another: (1) a compound represented by the general formula Me.sup.1 R.sup.1.sub.p (OR.sup.2).sub.q X.sup.1.sub.4-p-q, (2) a compound represented by the general formula Me.sup.2 R.sup.3.sub.m (OR.sup.4).sub.n X.sup.2.sub.z-m-n, (3) an organocyclic compound having conjugated double bonds; (4) a modified organoaluminum compound having Al--O--Al bond(s); and (5) a silicon oxide and/or an aluminum oxide both having characteristic average particle diameter, specific surface area, volume of pores ranging in pore radius from 18 to 1,000 Angstroms, apparent specific gravity not lower than 0.32, and proportion of 50 .mu.m or smaller particles.