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1. 发明公开

EP3260473A1 HIGH PRESSURE, FREE RADICAL POLYMERIZATIONS TO PRODUCE ETHYLENE-BASED POLYMERS 审中-公开
标题翻译：高压，自由基聚合生产乙烯基聚合物
公开(公告)号：EP3260473A1
公开(公告)日：2017-12-27
申请号：EP16382297.6
申请日：2016-06-24
申请人： Dow Global Technologies LLC
发明人： Berbee, Otto J. , Dang, Nhi T. Y. , Flores, Joaquin , Hosman, Cornelis J F
IPC分类号： C08F2/01 , C08F2/34
CPC分类号： C08F2/00 , Y02P20/582 , C08F10/02 , C08F2/01 , C08F2/001 , C08F110/02 , C08F2500/03 , C08F2500/04
摘要： The invention provides a process to form an ethylene-based polymer, said process comprising polymerizing a mixture comprising ethylene, in the presence of at least one free-radical initiator, and in a tubular reactor system comprising at least two ethylene-based feed streams, and a reactor configuration that comprises at least three reaction zones; and
wherein the inlet pressure of the first reaction zone is less than, or equal to, 3200 Bar; and the polymerization has an ethylene conversion ≥ 28%, and an m value from 20 mole% to70 mole%, where m = mol% of ethylene-based feed stream to the first reaction zone, based on the total moles of ethylene-based feed streams fed to the reactor configuration; and
wherein the ratio (Q) of a "MWD B of a broad polymer polymerized, to a "MWD N of a narrow polymer polymerized, is as follows: {(T) * (-2.3 x log(m) + 7)} ≤ Q ≤{ (T) * (-13.0 x log(m) + 29.8)}; and wherein the "MWD B polymer" and the "MWD N polymer" both have the same melt index; and wherein the "T" is the "chain transfer activity ratio" and "T" is from 0.6 to 1.6, and T is defined as follows: T = {[0.1*ln (Cs narrow M WD process /Cs broad MWD process )] +1}; wherein Cs narrow MWD process and Cs broad MWD process are average Cs value of the CTA system at the outlet of the reactor configuration used to produce, respectively, the narrow and the broad MWD polymers, and wherein MWD B > MWD N .
摘要翻译：本发明提供了形成基于乙烯的聚合物的方法，所述方法包括在至少一种自由基引发剂的存在下，在包含至少两种基于乙烯的进料流的管式反应器系统中，将包含乙烯的混合物聚合，以及包含至少三个反应区的反应器构造; 并且其中所述第一反应区的入口压力小于或等于3200巴; 并且基于基于乙烯的进料的总摩尔数，聚合的乙烯转化率≥28％，m值为20摩尔％至70摩尔％，其中m =基于乙烯的进料流至第一反应区的摩尔％进料到反应器结构的物流; 并且其中“聚合的宽聚合物的MWDB与聚合的窄聚合物的MWDN的比率（Q）如下：{（T）*（-2.3×log（m）+7）}≤Q ≤{（T）*（ - 13.0×log（m）+ 29.8）}; 并且其中“MWDB聚合物”和“MWDN聚合物”都具有相同的熔体指数; 其中“T”为“链转移活性比”，“T”为0.6至1.6，T定义如下：T = {[0.1×ln（Cs窄MWD过程/ Cs宽MWD过程）] 1}; 其中Cs窄MWD过程和Cs宽MWD过程分别是在用于分别生产窄MWD和宽MWD聚合物且其中MWDB> MWDN的反应器构造出口处的CTA系统的平均Cs值。

2. 发明公开

EP3260472A1 ETHYLENE-BASED POLYMERS FORMED BY HIGH PRESSURE FREE RADICAL POLYMERIZATIONS 审中-公开
标题翻译：高压自由基聚合形成的乙烯基聚合物
公开(公告)号：EP3260472A1
公开(公告)日：2017-12-27
申请号：EP16382296.8
申请日：2016-06-24
申请人： Dow Global Technologies LLC
发明人： Berbee, Otto J. , Dang, Nhi T. Y. , Hosman, Cornelis J F , Flores, Joaquin
IPC分类号： C08F2/01 , C08F2/34
CPC分类号： C08F2/01 , C08F2/34 , Y02P20/582 , C08F10/02 , C08F2/00 , C08F2/38
摘要： The invention provides a process to form an ethylene-based polymer, in the presence of at least one free-radical, said process comprises at least the following:
polymerizing a mixture comprising ethylene, in a tubular reactor system comprising at least three ethylene-based feeds, and a reactor configuration comprising at least four reaction zones, and
wherein the weight ratio of "the ethylene-based feed to the second reaction zone (EBF2)" to "the ethylene-based feed to the first reaction zone (EBF1)," EBF2/EBF1, is from 0.50 to 1.10; and wherein the weight ratio of "the ethylene-based feed to the third reaction zone (EBF3)" to "the ethylene-based feed to the first reaction zone (EBF1)," EBF3/EBF1, is from 0.40 to 2.50; and
wherein in each reaction zone, the polymerization takes place at an start temperature greater, or equal to, 135°C; and wherein at least one of the following is met:
(a) for three or more ethylene based feed streams, the peak polymerization temperatures in the first and the second reaction zones, are each, independently, from 200°C to 250°C; or
(b) for four or more ethylene based feed streams, the peak polymerization temperatures in the first, the second and the third reaction zones, are each, independently, from 200°C to 250°C;

and wherein the temperature differential between the peak temperatures of the first three reaction zones meets at least one the following relationships:
i) TP1 > TP2, and 10°C ≤ Δ(TP1-TP2) 30°C; and/or
ii) TP1 > TP3, and 10°C ≤ Δ(TP1-TP3) 30°C; and/or
iii) TP1 ≥ TP2, and TP1> TP3, and 0°C ≤ Δ(TP1-TP2) ≤ 30°C, and 10°C ≤ Δ(TP1-TP3) ≤ 30°C; and/or
iv) TP1 > TP2, and TP1≥ TP3, and 10°C ≤ Δ(TP1-TP2) 30°C, and 0°C Δ(TP1-TP3) ≤ 30°C;

wherein TP1 is the peak temperature of the first reaction zone (TP1), TP2 is the peak temperature of the second reaction zone, and TP3 is the peak temperature of the third reaction zone, and
wherein the ethylene based feed stream to the first reaction zone is from 20 wt% to 50 wt% of the total ethylene based feed stream(s) fed to the reactor system.
摘要翻译：本发明提供了在至少一种自由基存在下形成基于乙烯的聚合物的方法，所述方法至少包括以下步骤：在包含至少三种乙烯基的管式反应器体系中聚合包含乙烯的混合物进料和包含至少四个反应区的反应器构造，并且其中“基于乙烯的进料到第二反应区（EBF2）”与“基于乙烯的进料到第一反应区（EBF1）的重量比” “EBF2 / EBF1从0.50到1.10; 并且其中“基于乙烯的进料到第三反应区（EBF3）”与“到第一反应区的乙烯进料（EBF1）”的重量比“EBF3 / EBF1”为0.40到2.50; 并且其中在每个反应区中，聚合在高于或等于135℃的起始温度下进行; （a）对于三种或更多种基于乙烯的进料流，第一和第二反应区中的峰值聚合温度各自独立地为200℃至250℃; 或（b）对于四种或更多种基于乙烯的进料流，第一，第二和第三反应区中的峰值聚合温度各自独立地为200℃至250℃; 并且其中前三个反应区的峰值温度之间的温度差满足以下关系中的至少一个：i）TP1> TP2和10℃≤Δ（TP1-TP2）<30℃; 和/或ii）TP1> TP3和10℃≤Δ（TP1-TP3）<30℃; 和/或iii）TP1≥TP2和TP1> TP3，并且0℃≤Δ（TP1-TP2）≤30℃，且10℃≤Δ（TP1-TP3）≤30℃;和/或iii）和/或iv）TP1> TP2和TP1≥TP3，且10℃≤Δ（TP1-TP2）<30℃，并且0℃<Δ（TP1-TP3）≤30℃;和/或iv）其中TP1是第一反应区（TP1）的峰值温度，TP2是第二反应区的峰值温度，TP3是第三反应区的峰值温度，并且其中到第一反应区的乙烯基进料流是进料至反应器系统的总乙烯基进料流的20重量％至50重量％。

3. 发明公开

EP3109262A1 HIGH PRESSURE, FREE RADICAL POLYMERIZATIONS TO PRODUCE ETHYLENE-BASED POLYMERS 审中-公开
标题翻译：放射性化学品分子式聚合物UR UR ON ON ON ON EN EN EN EN EN EN EN EN EN EN EN EN EN EN EN EN EN EN EN EN
公开(公告)号：EP3109262A1
公开(公告)日：2016-12-28
申请号：EP16382298.4
申请日：2016-06-24
申请人： Dow Global Technologies LLC
发明人： Berbee, Otto J. , Dang, Nhi T. Y. , Hosman, Cornelis J F , Flores, Joaquin
IPC分类号： C08F2/01 , C08F2/34 , B01J12/00 , F25B49/02
CPC分类号： C08F2/34 , A46B11/06 , B01J12/00 , B05C17/00503 , B05C17/00569 , B05C17/00573 , C08F2/00 , C08F2/01 , C08F210/02 , Y02P20/582
摘要： The invention provides a high pressure polymerization process to form an ethylene-based polymer, the process comprising at least the following steps:
polymerizing a reaction mixture comprising ethylene, using a reactor system comprising at least three ethylene-based feed streams and a reactor configuration that comprises at least four reaction zones, and
wherein at least one of the following distributions a) through c), is met:
(a) up to 100 wt% of the ethylene-based feed stream to the first reaction zone comes from a high pressure recycle, and/or up to 100 wt% of the last ethylene-based feed stream to a reaction zone comes from the output from a Primary compressor system; and/or
(b) up to 100 wt% of the ethylene-based feed stream to first reaction zone comes from the output from a Primary compressor system, and/or up to 100 wt% of the last ethylene-based feed stream to a reaction zone comes from a high pressure recycle; and/or
(c) the ethylene-based feed stream to the first reaction zone, and/or the last ethylene-based feed stream to a reaction zone, each comprises a controlled composition;
and wherein each ethylene based feed stream to a reaction zone, independently, receives an output from two or more cylinders of the last compressor stage of a Hyper compressor system;
and wherein the ethylene based feed stream to the first reaction zone is from 20 wt% to 60 wt% of the total ethylene based feed stream to the reactor configuration; and
wherein the sum of the last two ethylene based feed streams to the reactor configuration is from 20 wt% to 80 wt% of the total ethylene based feed streams to the reactor configuration.
摘要翻译：本发明提供了形成乙烯基聚合物的高压聚合方法，该方法包括至少以下步骤：使用包含至少三个基于乙烯的进料流的反应器系统和包含乙烯的反应混合物聚合反应混合物，反应器构型包含至少四个反应区，并且其中满足以下分布a）至c）中的至少一个：（a）至多100重量％的至第一反应区的基于乙烯的进料流来自高压再循环和/或最多100重量％的最后一个基于乙烯的进料流到反应区来自主压缩机系统的输出; 和/或（b）至多100重量％的至第一反应区的基于乙烯的进料流来自主压缩机系统的输出，和/或最多100重量％的最后的乙烯基进料流至反应区来自高压循环; 和/或（c）到第一反应区的乙烯进料流和/或最后的进入反应区的基于乙烯的进料流各自包含受控组合物; 并且其中独立于反应区的每个基于乙烯的进料流接收超级压缩机系统的最后压缩机级的两个或更多个气缸的输出; 并且其中到所述第一反应区的所述基于乙烯的进料流为所述反应器构型的总乙烯基进料流的20重量％至60重量％并且其中到反应器构型的最后两个基于乙烯的进料流的总和为反应器构型的总乙烯基进料流的20重量％至80重量％。

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