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    • 17. 发明授权
    • Preparation of polypropylene in the presence of a single-site catalyst
    • 在单中心催化剂存在下制备聚丙烯
    • US08829128B2
    • 2014-09-09
    • US13516378
    • 2010-06-16
    • Lauri HuhtanenKalle KallioPascal Castro
    • Lauri HuhtanenKalle KallioPascal Castro
    • C08F4/642C08F4/6592C08F10/06
    • C08F10/00C08F4/65927C08F110/06C08F4/65912
    • Process for the preparation of a polypropylene, wherein propylene is polymerized optionally with a comonomer selected from the group consisting of ethylene, a C4-C20 α-olefin and mixtures thereof, in the presence of a catalyst system comprising solid catalyst particles, wherein the solid catalyst particles (a) comprise a transition metal compound of formula (I) LmRnMXq (I) wherein “M” is a transition metal of anyone of the groups 3 to 10 of the periodic table (IUPAC), each “X” is independently a monovalent anionic σ-ligand, each “L” is independently an organic ligand which coordinates to the transition metal (M), each “R” is a bridging group linking two organic ligands (L), “m” is 2 or 3, preferably 2, “n” is 0, 1 or 2, preferably 1, “q” is 1, 2 or 3, preferably 2, m+q is equal to the valency of the transition metal (M), (c) comprise a cocatalyst (Co) comprising an element (E) of group 13 of the periodic table (IUPAC), preferably a cocatalyst (Co) comprising a compound of A1, wherein further the loss of activity of the solid catalyst particles during polymerization is at most 20%.
    • 制备聚丙烯的方法,其中在包含固体催化剂颗粒的催化剂体系的存在下,丙烯任选地与选自乙烯,C 4 -C 20α-烯烃及其混合物的共聚单体聚合,其中固体 催化剂颗粒(a)包含式(I)的过渡金属化合物LmRnMXq(I)其中“M”是元素周期表(IUPAC)中任何3至10族的过渡金属,每个“X”独立地为 每个“L”独立地是与过渡金属(M)配位的有机配体,每个“R”是连接两个有机配体(L)的桥连基团,“m”是2或3, 优选2,“n”为0,1或2,优选为1,“q”为1,2或3,优选2,m + q等于过渡金属(M)的化合价,(c)包含 包括元素周期表第13族元素(I)的助催化剂(Co)(IUPAC),优选助催化剂(Co) 是A1的化合物,其中在聚合期间固体催化剂颗粒的活性进一步降低至多20%。
    • 19. 发明申请
    • PREPARATION OF POLYPROPYLENE IN THE PRESENCE OF A SINGLE-SITE CATALYST
    • 单壁催化剂存在下聚丙烯的制备
    • US20120277384A1
    • 2012-11-01
    • US13516378
    • 2010-06-16
    • Lauri HuhtanenKalle KallioPascal Castro
    • Lauri HuhtanenKalle KallioPascal Castro
    • C08F4/6592C08F2/01C08F210/06C08F110/06
    • C08F10/00C08F4/65927C08F110/06C08F4/65912
    • Process for the preparation of a polypropylene, wherein propylene is polymerised optionally with a comonomer selected from the group consisting of ethylene, a C4-C20 α-olefin and mixtures thereof, in the presence of a catalyst system comprising solid catalyst particles, wherein the solid catalyst particles (a) comprise a transition metal compound of formula (I) LmRnMXq (I) wherein “M” is a transition metal of anyone of the groups 3 to 10 of the periodic table (IUPAC), each “X” is independently a monovalent anionic σ-ligand, each “L” is independently an organic ligand which coordinates to the transition metal (M), each “R” is a bridging group linking two organic ligands (L), “m” is 2 or 3, preferably 2, “n” is 0, 1 or 2, preferably 1, “q” is 1, 2 or 3, preferably 2, m+q is equal to the valency of the transition metal (M), (c) comprise a cocatalyst (Co) comprising an element (E) of group 13 of the periodic table (IUPAC), preferably a cocatalyst (Co) comprising a compound of Al, wherein further the loss of activity of the solid catalyst particles during polymerization is at most 20%.
    • 制备聚丙烯的方法,其中在包含固体催化剂颗粒的催化剂体系的存在下,丙烯任选地与选自乙烯,C 4 -C 20α-烯烃及其混合物的共聚单体聚合,其中固体 催化剂颗粒(a)包含式(I)的过渡金属化合物LmRnMXq(I)其中M是周期表(IUPAC)中第3至10族中的任何一个的过渡金属,每个X独立地是一价阴离子& 每个L独立地是与过渡金属(M)配位的有机配体,每个R是连接两个有机配体(L)的桥连基团,m是2或3,优选2,n是0,1或2 ,优选1,q为1,2或3,优选2,m + q等于过渡金属(M)的化合价,(c)包含助催化剂(Co),其包含第13族元素(E) 周期表(IUPAC),优选包含Al的化合物的助催化剂(Co),其中, 在聚合过程中固体催化剂颗粒的活性降低至多20%。