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1. 发明公开

EP3109261A1 PROCESS FOR PRODUCING LLDPE RESINS 有权
标题翻译： VERFAHREN ZUR HERSTELLUNG VON LLDPE-HARZEN
公开(公告)号：EP3109261A1
公开(公告)日：2016-12-28
申请号：EP15173364.9
申请日：2015-06-23
申请人： Borealis AG
发明人： Albunia, Alexandra Romina , Tupe, Ravindra , Sumerin, Victor , Jamieson, John , Aho, Jani , Vahteri, Markku , Kela, Jarmo , Eckmayr, Renate
IPC分类号： C08F2/00 , C08L23/08
CPC分类号： C08F2/001 , C08L23/06 , C08L23/0815
摘要： The present invention is directed to a process for producing copolymers of ethylene and at least one alpha-olefin having from 4 to 10 carbon atoms in the presence of a polymerisation catalyst. The resulting copolymer has a density of from 906 to 937 kg/m 3 and a melt flow rate MFR 21 measured at 190 °C under 21.6 kg load of from 3 to 100 g/10 min. The process comprising the steps of: (A) homopolymerising ethylene or copolymerising ethylene and a first alpha-olefin having from 4 to 10 carbon atoms in a first polymerisation stage in the presence of the polymerisation catalyst, hydrogen and optionally the first alpha-olefin wherein the molar ratio of hydrogen to ethylene in the fluid reaction mixture of the first polymerisation stage is from 200 to 50000 mol/kmol and the molar ratio of the first alpha-olefin to ethylene in the fluid reaction mixture of the first polymerisation stage is from 0 to 1500 mol/kmol, to produce a first homo- or copolymer of ethylene; (B) copolymerising ethylene and a second alpha-olefin having from 4 to 10 carbon atoms in a second polymerisation stage in the presence of the first homo- or copolymer of ethylene to produce a polymer mixture comprising the first homo- or copolymer of ethylene and a second copolymer of ethylene, the polymer mixture having a density of from 906 to 937 kg/m 3 and a melt flow rate MFR 21 of from 3 to 150 g/10 min; (C) recovering the polymer mixture. The polymerisation catalyst comprises an internal organic compound having the formula (I):

wherein in the formula (I) R 1 to R 5 are the same or different and can be hydrogen, a linear or branched C1 to C8-alkyl group, or a C3-C8-alkylene group, or two or more of R 1 to R 5 can form a ring, and the two oxygen-containing rings are individually saturated or partially unsaturated or unsaturated.
摘要翻译：本发明涉及在聚合催化剂存在下制备乙烯和至少一种具有4-10个碳原子的α-烯烃的共聚物的方法。所得共聚物的密度为906至937kg / m 3，熔体流动速率MFR 21在190℃，21.6kg负荷下测量为3至100g / 10min。该方法包括以下步骤：（A）在聚合催化剂，氢气和任选的第一α-烯烃的存在下，在第一聚合阶段中乙烯均聚或共聚乙烯和具有4至10个碳原子的第一α-烯烃，其中在第一聚合段的流体反应混合物中氢与乙烯的摩尔比为200-50000mol / kmol，第一聚合阶段流体反应混合物中第一个α-烯烃与乙烯的摩尔比为0 至1500mol / kmol，以产生乙烯的第一均聚物或共聚物; （B）在乙烯的第一均聚物或共聚物的存在下在第二聚合阶段中使乙烯和具有4至10个碳原子的第二α-烯烃共聚以制备包含乙烯和/或乙烯的第一均聚物或共聚物的聚合物混合物乙烯的第二共聚物，所述聚合物混合物的密度为906至937kg / m 3，熔体流动速率MFR 21为3至150g / 10min; （C）回收聚合物混合物。聚合催化剂包括具有式（I）的内部有机化合物：其中在式（I）中，R 1至R 5相同或不同，并且可以是氢，直链或支链C 1至C 8烷基或 C 3 -C 8 - 亚烷基或R 1至R 5中的两个或多个可以形成环，并且两个含氧环分别是饱和或部分不饱和或不饱和的。

2. 发明授权

EP3241611B1 A PROCESS FOR FEEDING A POLYMERISATION CATALYST 有权
公开(公告)号：EP3241611B1
公开(公告)日：2020-03-04
申请号：EP16167880.0
申请日：2016-05-02
申请人： Borealis AG
发明人： Leskinen, Pauli , Elovainio, Erno , Nikkilä, Katri , Parjanen, Jukka-Pekka , Aho, Jani
IPC分类号： B01J8/00 , B01J8/22 , C08F10/00 , C08F2/01

3. 发明公开

EP2883885A1 Multistage process for producing polyethylene compositions 审中-公开
标题翻译： Mehrstufenverfahren zur Herstellung von Polyethylenzusammensetzungen
公开(公告)号：EP2883885A1
公开(公告)日：2015-06-17
申请号：EP13197040.2
申请日：2013-12-13
申请人： Borealis AG
发明人： Tupe, Ravindra , Aho, Jani , Vahteri, Markku , Noopila, Tuomas , Kela, Jarmo
IPC分类号： C08F2/00
CPC分类号： C08L23/0815 , C08F4/025 , C08F210/16 , C08L2205/025 , C08F210/08 , C08F2500/12 , C08F2500/26 , C08F2/001 , C08F4/6546 , C08F4/6565
摘要： The present invention is a process for producing low density copolymers of ethylene and alpha-olefins having from 4 to 10 carbon atoms in three polymerization stages in the presence of an olefin polymerization catalyst where a low molecular weight copolymer of ethylene is produced in two of the stages and a high molecular weight copolymer in one of the stages. The resulting copolymers have a low density of not more than 920 kg/m 3 .
摘要翻译：本发明是一种在烯烃聚合催化剂的存在下，在三个聚合阶段中生产具有4-10个碳原子的乙烯和α-烯烃的低密度共聚物的方法，其中在二烯烃聚合催化剂中产生低分子量乙烯共聚物阶段和高分子量共聚物。所得共聚物具有不超过920kg / m 3的低密度。

4. 发明公开

EP3553096A1 POLYPROPYLENE COMPOSITION 有权转让
公开(公告)号：EP3553096A1
公开(公告)日：2019-10-16
申请号：EP18166433.5
申请日：2018-04-10
申请人： Borealis AG
发明人： Gahleitner, Markus , Wang, Jingbo , Berger, Friedrich , Aho, Jani
IPC分类号： C08F210/06 , C08F210/08 , C08F210/02
摘要： New polypropylene composition, which combines low sealing initiation temperature (SIT), high hot-tack and good optical properties, like low haze, the use of such polypropylene composition and articles made therefrom.

5. 发明授权

EP3109261B1 PROCESS FOR PRODUCING LLDPE RESINS 有权
公开(公告)号：EP3109261B1
公开(公告)日：2018-12-26
申请号：EP15173364.9
申请日：2015-06-23
申请人： Borealis AG
发明人： Albunia, Alexandra Romina , Tupe, Ravindra , Sumerin, Victor , Jamieson, John , Aho, Jani , Vahteri, Markku , Kela, Jarmo , Eckmayr, Renate
IPC分类号： C08L23/08
CPC分类号： C08F2/001 , C08L23/06 , C08L23/0815
摘要： The present invention is directed to a process for producing copolymers of ethylene and at least one alpha-olefin having from 4 to 10 carbon atoms in the presence of a polymerisation catalyst. The resulting copolymer has a density of from 906 to 937 kg/m 3 and a melt flow rate MFR 21 measured at 190 °C under 21.6 kg load of from 3 to 100 g/10 min. The process comprising the steps of: (A) homopolymerising ethylene or copolymerising ethylene and a first alpha-olefin having from 4 to 10 carbon atoms in a first polymerisation stage in the presence of the polymerisation catalyst, hydrogen and optionally the first alpha-olefin wherein the molar ratio of hydrogen to ethylene in the fluid reaction mixture of the first polymerisation stage is from 200 to 50000 mol/kmol and the molar ratio of the first alpha-olefin to ethylene in the fluid reaction mixture of the first polymerisation stage is from 0 to 1500 mol/kmol, to produce a first homo- or copolymer of ethylene; (B) copolymerising ethylene and a second alpha-olefin having from 4 to 10 carbon atoms in a second polymerisation stage in the presence of the first homo- or copolymer of ethylene to produce a polymer mixture comprising the first homo- or copolymer of ethylene and a second copolymer of ethylene, the polymer mixture having a density of from 906 to 937 kg/m 3 and a melt flow rate MFR 21 of from 3 to 150 g/10 min; (C) recovering the polymer mixture. The polymerisation catalyst comprises an internal organic compound having the formula (I): wherein in the formula (I) R 1 to R 5 are the same or different and can be hydrogen, a linear or branched C1 to C8-alkyl group, or a C3-C8-alkylene group, or two or more of R 1 to R 5 can form a ring, and the two oxygen-containing rings are individually saturated or partially unsaturated or unsaturated.

6. 发明授权

EP3553096B1 POLYPROPYLENE COMPOSITION 有权转让
公开(公告)号：EP3553096B1
公开(公告)日：2020-03-18
申请号：EP18166433.5
申请日：2018-04-10
申请人： Borealis AG
发明人： Gahleitner, Markus , Wang, Jingbo , Berger, Friedrich , Aho, Jani
IPC分类号： C08F210/06 , C08F210/08 , C08F210/02 , C08F8/50 , C08K5/134 , C08K5/14 , C08K5/526 , C08K5/098

7. 发明公开

EP3241611A1 A PROCESS FOR FEEDING A POLYMERISATION CATALYST 有权
标题翻译：供给聚合催化剂的方法
公开(公告)号：EP3241611A1
公开(公告)日：2017-11-08
申请号：EP16167880.0
申请日：2016-05-02
申请人： Borealis AG
发明人： Leskinen, Pauli , Elovainio, Erno , Nikkilä, Katri , Parjanen, Jukka-Pekka , Aho, Jani
IPC分类号： B01J8/00 , B01J8/22 , C08F10/00
CPC分类号： B01J8/0035 , B01J8/0005 , B01J8/002 , B01J8/003 , B01J8/22 , B01J2208/00212 , B01J2208/00752 , B01J2208/00787 , C08F2/01 , C08F10/00 , C08F110/02 , C08F2500/07 , C08F2500/12
摘要： The present invention is directed to a process for feeding a polymerisation catalyst into a polymerisation reactor (7), comprising the steps of: (i) maintaining a catalyst slurry comprising a diluent and a solid catalyst component in a catalyst feed vessel (4); (ii) continuously withdrawing a stream of the catalyst slurry from the catalyst feed vessel (4); and (iii) introducing the withdrawn portion of the catalyst slurry into the polymerisation reactor (7), wherein the catalyst slurry is transferred by using a valveless piston pump (5) from the catalyst feed vessel (4) into the polymerisation reactor (7); the diluent has a dynamic viscosity of from 0.01 to 20 mPas at the conditions within the catalyst feed vessel (4), and wherein the catalyst slurry is transferred along a substantially vertical path downwards from the catalyst feed vessel (4) to the reactor (7).
摘要翻译：本发明涉及一种将聚合催化剂加入聚合反应器（7）的方法，包括以下步骤：（i）将包含稀释剂和固体催化剂组分的催化剂浆料保持在催化剂加料容器（4）中; （ii）从催化剂进料容器（4）中连续排出催化剂浆料流; 和（iii）将取出的催化剂淤浆部分引入聚合反应器（7）中，其中通过使用无阀活塞泵（5）将催化剂淤浆从催化剂进料容器（4）转移到聚合反应器（7）中， ; 稀释剂在催化剂进料容器（4）内的条件下具有0.01至20mPas的动态粘度，并且其中催化剂浆料沿着基本垂直的路径从催化剂进料容器（4）向下转移至反应器（7））。

8. 发明公开

EP2428526A1 Process for producing polyethylene with improved homogeneity 审中-公开
标题翻译： Verfahren zur Herstellung von Polyethylen mit verbesserterHomogenität
公开(公告)号：EP2428526A1
公开(公告)日：2012-03-14
申请号：EP10176381.1
申请日：2010-09-13
申请人： Borealis AG
发明人： Lentzakis, Helen , Lylykangas, Mikko , Bergstra, Michiel , Vahteri, Markku , Aho, Jani
IPC分类号： C08F10/02
CPC分类号： C08F210/16 , C08F10/00 , C08F2/001 , C08F210/08 , C08F2500/01 , C08F2500/05 , C08F2500/08 , C08F2500/12 , C08F2500/26 , C08F2500/02 , C08F2500/07 , C08F4/6555 , C08F4/6492
摘要： Process for producing polyethylene compositions, like LLDPE, MDPE or HDPE, with a high level of homogeneity which comprises the steps of
a) preactivating the total amount of a Ziegler-Natta procatalyst
with the total amount of a cocatalyst, which cocatalyst comprises an organoaluminium compound,
in order to get a preactivated Ziegler-Natta catalyst system,
b) introducing the preactivated Ziegler-Natta catalyst system into a prepolymerisation reactor, wherein the preactivated Ziegler-Natta catalyst system is prepolymerised with at least one C 2 -C io -alpha-olefin monomer and optionally one or more C 3 -C 10 -alpha-olefin comonomer,
in order to get a prepolymerisation product,
c) introducing the prepolymerisation product into a first polymerisation reactor, which comprises a slurry reactor, wherein the prepolymerisation product is further polymerised with ethylene monomers and optionally one or more C 3 -C 10 -alpha-olefin comonomers
in order to get a first polymerisation product,
d) introducing the first polymerisation product into a second polymerisation reactor, wherein the first polymerisation product is further polymerised with ethylene monomers and optionally one or more C 3 to C lo -alpha-olefin comonomers
in order to get a second polymerisation product,
e) optionally performing one or two subsequent polymerisation steps in order to get a third or fourth polymerisation product,
f) further processing the obtained polymerisation product into pellets by extrusion; its use for forming articles, especially films with a low gel content.
摘要翻译：用于生产具有高水平均匀性的聚乙烯组合物，如LLDPE，MDPE或HDPE的方法，其包括以下步骤：a）预先活化齐格勒 - 纳塔前催化剂的总量与助催化剂的总量，该助催化剂包括有机铝化合物，以便获得预活化的齐格勒 - 纳塔催化剂体系，b）将预活化的齐格勒 - 纳塔催化剂体系引入预聚合反应器中，其中预活化齐格勒 - 纳塔催化剂体系与至少一种C 2 -C 10 - 烯烃单体和任选的一种或多种C 3 -C 10-α-烯烃共聚单体，以获得预聚合产物，c）将预聚合产物引入第一聚合反应器，其包括淤浆反应器，其中预聚合产物进一步与乙烯单体和任选的一种或多种C 3 -C 10-α-烯烃共聚单体聚合以获得第一聚合产物，d）在将第一聚合产物引入第二聚合反应器中，其中第一聚合产物进一步与乙烯单体和任选的一种或多种C 3 -C 5α-烯烃共聚单体聚合，以获得第二聚合产物，e）任选地进行一个或两个随后的聚合步骤以获得第三或第四聚合产物，f）通过挤出将所得聚合产物进一步加工成颗粒; 其用于形成制品，特别是具有低凝胶含量的膜。

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