专利快速检索-快速检索全球专利，免费商用专利数据库-IPRDB

1. 发明申请

WO2016109266A1 PROCESS TO CONTROL OUTPUT AND QUALITY OF ETHYLENE-BASED POLYMER FORMED BY HIGH PRESSURE FREE RADICAL POLYMERIZATION 审中-公开
标题翻译：通过高压自由基聚合形成的基于乙烯的聚合物的输出和质量控制方法
公开(公告)号：WO2016109266A1
公开(公告)日：2016-07-07
申请号：PCT/US2015/066860
申请日：2015-12-18
申请人： DOW GLOBAL TECHNOLOGIES LLC , DOW BRASIL SUDESTE INDUSTRIAL LTDA.
发明人： HOSMAN, Cornelis J.F. , BERBEE, Otto J. , GONCALVES, Sergio E. , DANG, Nhi
IPC分类号： C08F2/01 , C08F2/34
CPC分类号： C08F2/01 , C08F2/34 , Y02P20/582
摘要： The invention provides a process to prepare an ethylene-based polymer, said process comprising polymerizing ethylene in the presence of at least one initiator system selected from the following: a) class 1 initiator system, b) class 2 initiator system, c) class 3 initiator system, or d) a combination thereof; and at a inlet pressure (P 2 ) greater than, or equal to, 1000 Bar (100 MPa); and in a reactor system comprising at least one hyper compressor and a reactor configuration comprising at least one reactor, which comprises at least one reaction zone; and wherein the inlet pressure (P 2 ) is reduced by at least 200 Bar, as compared to a similar polymerization, in the same reactor system, except it is operated at a higher inlet pressure (P 1 ), and at a different hyper compressor throughput, and at a different maximum temperature for at least one reaction zone, and optionally, at a different amount of CTA system fed to the reactor configuration; and wherein, for the process, the "Ratio of total reactor consumption of the highest temperature class initiator system(s) (Y)" meets the following Equation D: 0.95 * x^((P 1 -P 2 )/10MPa) 1 -P 2 )/10MPa) (Eqn. D), wherein x is greater than, or equal to, 0.97; and wherein z is less than, or equal to, 1.03. The invention also provides a process to prepare an ethylene-based polymer, said process comprising polymerizing ethylene in the presence of at least one initiator system selected from the following: a) a class 1 initiator system, b) a class 2 initiator system, c) a class 3 initiator system, or d) a combination thereof; and at an inlet pressure (P 2 ) greater than, or equal to, 1000 Bar (100 MPa); and in a reactor system comprising a reactor configuration comprising at least one reactor, which comprises at least one reaction zone; and wherein the inlet pressure (P 2 ) is reduced by at least 200 Bar, as compared to a similar polymerization, in the same reactor configuration, except it is operated at a higher inlet pressure (P 1 ), and at a different maximum temperature for at least one reaction zone, and optionally, at a different amount of CTA system fed to the reactor configuration; and wherein, for the process, the "Ratio of total reactor consumption of the highest temperature class initiator system(s) (Y)" meets the following Equation D: 0.95 * x^((P 1 -P 2 )/10MPa) 1 -P 2 )/10MPa) (Eqn. D), wherein x is greater than, or equal to, 0.97; and wherein z is less than, or equal to, 1.03.
摘要翻译：本发明提供一种制备乙烯基聚合物的方法，所述方法包括在至少一种选自以下的引发剂体系的存在下聚合乙烯：a）1类引发剂体系，b）2类引发剂体系，c）3类引发剂体系，或d）其组合; 并且在大于或等于1000巴（100MPa）的入口压力（P2）下; 以及包括至少一个超压缩机和包括至少一个反应器的反应器构型的反应器系统，所述反应器包括至少一个反应区; 并且其中在相同的反应器系统中，与相似的聚合相比，入口压力（P2）除了至少200巴，除了其在较高的入口压力（P1）下运行，并且在不同的超压缩机生产量下，并且在不同的最高温度下对于至少一个反应区，以及任选的不同量的进料到反应器构型的CTA体系; 并且其中，对于该方法，“最高温度级引发剂体系（Y）”的总反应器消耗量的比例满足以下等式D：0.95 * x ^（（P1-P2）/ 10MPa）

2. 发明申请

WO2017058570A9 PROCESS FOR PRODUCING ETHYLENE-BASED POLYMERS WITH REDUCED GEL COUNTS AND LOW REACTOR FOULING 审中-公开
公开(公告)号：WO2017058570A9
公开(公告)日：2017-04-06
申请号：PCT/US2016/052620
申请日：2016-09-20
申请人： DOW GLOBAL TECHNOLOGIES LLC
发明人： BERBEE, Otto , HINRICHS, Stefan , DANG, Nhi , SIEBDRAT, Juergen , DEN DOELDER, Cornelis, F.j.
IPC分类号： C08F2/00 , C08F2/01 , C08F2/38 , C08F10/02
摘要： Ethylene-based polymer is made by a process comprising polymerizing a reaction mixture comprising ethylene and at least one chain transfer agent system; wherein the polymerization takes place in the presence of at least one free-radical initiator; and wherein the polymerization takes place in a reactor configuration comprising at least one tubular reactor with at least three reaction zones; and wherein at least two reaction zones receive an ethylene feed; and wherein the degree of polymerization in the first reaction zone is less than, or equal to, (5/LCBf)*3150; and wherein the ethylene-based polymer formed by the process comprises the following properties: (A) LCBf ≥ (4.7 + 0.5*log(I2)); and (B) I2 from 0.2 to 25 dg/min.

3. 发明申请

WO2017058570A1 PROCESS FOR PRODUCING ETHYLENE-BASED POLYMERS WITH REDUCED GEL COUNTS AND LOW REACTOR FOULING 审中-公开
标题翻译：生产具有减少凝胶和低反应物的乙烯基聚合物的方法
公开(公告)号：WO2017058570A1
公开(公告)日：2017-04-06
申请号：PCT/US2016/052620
申请日：2016-09-20
申请人： DOW GLOBAL TECHNOLOGIES LLC
发明人： BERBEE, Otto , HINRICHS, Stefan , DANG, Nhi , SIEBDRAT, Juergen , DEN DOELDER, Cornelis, F.j.
IPC分类号： C08F2/00 , C08F2/01 , C08F2/38 , C08F10/02
CPC分类号： C08F2/01 , C08F2/001 , C08F2/38 , C08F10/02 , Y02P20/582
摘要： Ethylene-based polymer is made by a process comprising polymerizing a reaction mixture comprising ethylene and at least one chain transfer agent system; wherein the polymerization takes place in the presence of at least one free-radical initiator; and wherein the polymerization takes place in a reactor configuration comprising at least one tubular reactor with at least three reaction zones; and wherein at least two reaction zones receive an ethylene feed; and wherein the degree of polymerization in the first reaction zone is less than, or equal to, (5/LCBf)*3150; and wherein the ethylene-based polymer formed by the process comprises the following properties: (A) LCBf ≥ (4.7 + 0.5*log(I2)); and (B) I2 from 0.2 to 25 dg/min.
摘要翻译：乙烯基聚合物通过包括聚合包含乙烯和至少一种链转移剂体系的反应混合物的方法制备; 其中所述聚合在至少一种自由基引发剂存在下进行; 并且其中所述聚合在包括至少一个具有至少三个反应区的管式反应器的反应器构型中进行; 并且其中至少两个反应区域接收乙烯进料; 并且其中所述第一反应区中的聚合度小于或等于（5 / LCBf）* 3150; 并且其中通过该方法形成的基于乙烯的聚合物包括以下性质：（A）LCBf≥（4.7 + 0.5 * log（I2））; 和（B）I2为0.2〜25dg / min。

4. 发明申请

WO2017083563A1 HIGH PRESSURE FREE RADICAL POLYMERIZATIONS 审中-公开
标题翻译：高压自由基聚合
公开(公告)号：WO2017083563A1
公开(公告)日：2017-05-18
申请号：PCT/US2016/061399
申请日：2016-11-10
申请人： DOW GLOBAL TECHNOLOGIES LLC
发明人： BERBEE, Otto J. , FLORES, Joaquin , HOSMAN, Cornelis J F , DANG, Nhi
IPC分类号： C08F2/01 , C08F2/34 , C08F10/02
CPC分类号： C08F10/02 , Y02P20/582 , C08F110/02 , C08F2500/12 , C08F2500/09 , C08F2500/10 , C08F2500/04 , C08F2/00 , C08F2/38
摘要： A process is provided 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 reactor configuration comprising at least three reaction zones, and comprising two ethylene feed streams, and wherein the ratio (R LCBf40% ), in percent, of the "LCB content of the first 40 wt% of the total polymer formed" to "the total LCB content in the final polymer" is ≤ 22.5%; and wherein the amount of ethylene, and optionally one or more comonomers, and optionally one or more CTAs, fed to the first reaction zone, is from 40 mole% to 80 mole%, based on the total moles of ethylene, and optionally one or more comonomers, and optionally one or more CTAs, fed to the polymerization.
摘要翻译：提供一种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：在包含乙烯的混合物中聚合，反应器配置包括至少三个反应区，并且包含两个乙烯进料流，并且其中形成的总聚合物的前40wt％的“LCB含量”的百分比（R LCBf 40％）“ ; 到“最终聚合物中的总LCB含量” ≤22.5％; 并且其中供入第一反应区的乙烯和任选的一种或多种共聚单体和任选的一种或多种CTA的量基于乙烯的总摩尔数为40摩尔％至80摩尔％，并且任选地一种或多种更多的共聚单体和任选的一种或多种CTA，进料到聚合反应中。

5. 发明申请

WO2017083552A1 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：WO2017083552A1
公开(公告)日：2017-05-18
申请号：PCT/US2016/061377
申请日：2016-11-10
申请人： DOW GLOBAL TECHNOLOGIES LLC
发明人： BERBEE, Otto J. , FLORES, Joaquin , HOSMAN, Cornelis J F , DANG, Nhi
IPC分类号： C08F2/01 , C08F2/34 , C08F10/02
CPC分类号： C08F10/02 , Y02P20/582 , C08F110/02 , C08F2500/12 , C08F2500/09 , C08F2500/10 , C08F2500/04 , C08F2/00 , C08F2/38
摘要： 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 reactor configuration comprising at least four reaction zones, and comprising at least three ethylene feed streams; and wherein the ratio of ( R LCBf40% ), in percent, of the LCB content of the "first 40 wt% of the total polymer formed" to the "total LCB content in the final polymer" is ≤ 29%; and wherein the amount of ethylene, and optionally one or more comonomers, and optionally one or more CTAs, fed to the first reaction zone, is from 20 mole% to 70 mole%, based on the total moles of ethylene, and optionally one or more comonomers, and optionally one or more CTAs, fed to the polymerization.
摘要翻译：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：在包含至少四种反应区，并且包含至少三种乙烯进料流; 并且其中（百万分之一）LCB含量的“LCBf40％”的总量的前40重量％的LCB含量的比例聚合物形成“ 到“最终聚合物中的总LCB含量” ≤29％; 并且其中供入第一反应区的乙烯和任选的一种或多种共聚单体和任选的一种或多种CTA的量基于乙烯的总摩尔数计为20摩尔％至70摩尔％，并且任选地一种或多种更多的共聚单体和任选的一种或多种CTA，进料到聚合反应中。

你已经成功收藏专利！

检索式保存成功!

IPRDB

热门服务

关于我们

友情链接

联系方式