摘要:
Provided is a catalyst for polymerization of an olefin which can prepare, with high productivity, a polymer having excellent hydrogen activity and high stereoregularity and MFR even in homopolymerization at a high temperature, and is also capable of producing a copolymer that achieves excellent hydrogen activity and copolymerization activity even in copolymerization at a high temperature and is excellent in impact resistance. The present invention provides a catalyst for polymerization of an olefin, comprising a compound represented by the general formula R 1 R 2 Si(NHR 3 ) 2 wherein R 1 is a cycloalkyl group having 3 to 12 carbon atoms or an aromatic hydrocarbon group having 6 to 12 carbon atoms; R 2 is a linear alkyl group having 1 to 10 carbon atoms or a branched alkyl group having 3 to 10 carbon atoms; the number of carbon atoms of R 1 is larger by 2 or more than that of R 2 ; and R 3 is a linear alkyl group having 2 to 6 carbon atoms, a branched alkyl group having 3 to 6 carbon atoms or a cycloalkyl group having 3 to 6 carbon atoms, as an external electron-donating compound.
摘要:
An olefin polymer that is obtained using an olefin polymerization catalyst that includes a solid catalyst component for olefin polymerization that includes titanium, magnesium, a halogen, and an ester compound (A) represented by the following formula (1): R 1 R 2 C=C(COOR 3 )(COOR 4 ), an organoaluminum compound, and an optional external electron donor compound, exhibits primary properties (e.g., molecular weight distribution and stereoregularity) similar to those of an olefin polymer obtained using a solid catalyst component that includes a phthalic ester as an electron donor.
摘要翻译:烯烃聚合物的卤素没有使用烯烃聚合催化剂得到确实包括用于烯烃聚合的固体催化剂组分没有包括钛,镁,A,并在由下述式(1)表示的酯化合物(A):R 1个R 2 C = C(COOR 3)(COOR 4)有机铝化合物和任选的外给电子体化合物,展品主要性质(例如,分子量分布和立构规整性)以相同的那些烯烃聚合物的获得使用的固体催化剂组分没有包括 邻苯二甲酸酯作为电子给体。
摘要:
Provided is a catalyst for polymerization of an olefin which is excellent in sustained polymerization activity in the polymerization of an α-olefin and is capable of preferably producing an α-olefin (co)polymer having high stereoregularity and MFR and favorable moldability. The present invention provides a catalyst for polymerization of an olefin, comprising: a solid catalyst component containing magnesium, titanium, halogen and an internal electron-donating compound; an organoaluminum compound; and external electron-donating compounds being of two types of alkoxysilane compounds having specific structures represented by the general formula (I) and the general formula (II), respectively, wherein the catalyst for polymerization of an olefin comprises 51 to 99% by mol of the external electron-donating compound represented by the general formula (I) and 1 to 49% by mol of the external electron-donating compound represented by the general formula (II) with respect to the total amount of both the external electron-donating compounds.
摘要:
A method produces a novel solid catalyst component for olefin polymerization that achieves excellent olefin polymerization activity and activity with respect to hydrogen during polymerization, and can produce an olefin polymer that exhibits a high MFR, high stereoregularity, and excellent rigidity. The method includes a first step that brings a magnesium compound, a tetravalent titanium halide compound, and one or more first internal electron donor compounds into contact with each other to effect a reaction, followed by washing; a second step that brings one or more second internal electron donor compounds into contact with a product obtained by the first step to effect a reaction; and a third step that brings a tetravalent titanium halide compound and one or more third internal electron donor compounds into contact with a product obtained by the second step to effect a reaction.
摘要:
A method for producing a propylene-based block copolymer ensures excellent olefin polymerization activity and activity with respect to hydrogen (hydrogen response) during polymerization, and produces a propylene-based block copolymer that exhibits a high MFR, high stereoregularity, and excellent rigidity. The method includes copolymerizing propylene and an α-olefin in the presence of a catalyst that includes (I) a solid catalyst component that includes titanium, magnesium, a halogen, and a compound represented by R 1 O-C(=O)-O-Z-OR 2 , and (II) a compound represented by R 3 p AlQ 3-p , to obtain a propylene-based block copolymer.
摘要翻译:丙烯类嵌段共聚物的制造方法在聚合过程中确保优异的烯烃聚合活性和相对于氢的氢活性(氢响应),并且产生显示高MFR,高立构规整性和优异刚性的丙烯基嵌段共聚物。 该方法包括在催化剂存在下共聚丙烯和α-烯烃,该催化剂包括(I)包含钛,镁,卤素和由R 1 OC(= O)-OZ-OR表示的化合物的固体催化剂组分 2和(II)由R 3 p AlQ 3-p表示的化合物,得到丙烯类嵌段共聚物。
摘要:
A method for producing a solid catalyst component for olefin polymerization produces a novel solid catalyst component for olefin polymerization that achieves excellent olefin polymerization activity and activity with respect to hydrogen during polymerization, and can produce an olefin polymer that exhibits a high MFR, high stereoregularity, and excellent rigidity. The method includes a first step that brings a magnesium compound, a tetravalent titanium halide compound, and one or more first internal electron donor compounds excluding an aromatic dicarboxylic acid diester into contact with each other to effect a reaction, followed by washing; a second step that brings a tetravalent titanium halide compound and one or more second internal electron donor compounds into contact with a product obtained by the first step to effect a reaction, followed by washing; and a third step that brings one or more third internal electron donor compounds into contact with a product obtained by the second step to effect a reaction.