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1. 发明申请

WO2004101674A1 POLYMER COMPOSITION AND PROCESS TO MANUFACTURE HIGH MOLECULAR WEIGHT-HIGH DENSITY POLYETHYLENE AND FILM THEREFROM 审中-公开
标题翻译：聚合物组合物和制备高分子量密度聚乙烯和其膜的方法
公开(公告)号：WO2004101674A1
公开(公告)日：2004-11-25
申请号：PCT/US2004/013975
申请日：2004-05-05
申请人： DOW GLOBAL TECHNOLOGIES INC , MICHIE, William, J., Jr. , NEUBAUER, Anthony, C. , COBLER, Brad, A. , BAKER, Carl, F.
发明人： MICHIE, William, J., Jr. , NEUBAUER, Anthony, C. , COBLER, Brad, A. , BAKER, Carl, F.
IPC分类号： C08L23/16
CPC分类号： C08F210/16 , B29C47/0014 , B29C47/0021 , B29C47/38 , B29C47/404 , C08F8/00 , C08L23/0815 , C08L2205/02 , C08L2308/00 , Y10S525/938 , C08F10/02 , C08F2/001 , C08L2666/06 , C08F210/14 , C08F2500/12 , C08F2500/07 , C08F2500/04 , C08F2500/09 , C08F2500/26
摘要： The present invention includes a multimodal polyethylene composition has (1) a density of at least about 0.940 g/cm 3 as measured by ASTM Method D-1505; (2) a melt flow index (I 5 ) of from about 0.2 to about 1.5 g/10 min (as measured by ASTM D-1238, measured at 190 °C and 5 kilograms); (3) a melt flow index ratio (I 21 /I 5 ) of from about 20 to about 50; (4) a molecular weight distribution, Mw/Mn, of from about 20 to about 40; (5) a bubble stability measured on specified equipment according to specified conditions for a film of about 6 X 10 -6 m thickness of at least about 1.22 m/s line speed, at least about 45 kg/hr (0.013 kg/sec) output rate, or at least about 0.5 lb/hr/rpm (0.0000011 kg/s/rps) specific output rate or a combination thereof; the composition comprising; and (6) a dart impact on 12.5 micron (1.25 X 10 -5 m) film of at least 300 g; measured according to ASTM 1709, Method A; (A) a high molecular weight fraction which; (a) is present in an amount of from about 30 to about 70 weight percent (based on the total weight of the composition); (b) has a density of at least about 0.860 g/cm 3 as measured by ASTM D-1505; (c) has a melt flow index (I 21 ) of from about 0.01 to about 50 g/10 min (as measured by ASTM D-1238, measured at 190 °C and 21.6 kilograms); and (d) a melt flow index ratio (I 21 /I 5 ) of from about 6 to about 12; and (B) a low molecular weight fraction which; (a) is present in an amount of from about 30 to about 70 weight percent (based on the total weight of the composition); (b) has a density of at least about 0.900 g/cm 3 as measured by ASTM D-1505; (c) has a melt flow index (I 2 ) of from about 0.5 to about 3000 g/10 min (as measured by ASTM D-1238, measured at 190 °C and 2.16 kilograms); (d) a melt flow index ratio (I 21 /I 5 ) of from about 5 to about 15; and (e) is prepared using a mole ratio of alpha olefin to ethylene of less than or equal to about 0.001:1. The invention also includes a process for producing a multimodal ethylene polymer, which process comprises the following steps: (1) contacting in a first gas phase fluidized bed reactor under polymerization conditions and at a temperature of from about 70 °C to about 110 °C, a supported titanium magnesium catalyst precursor, cocatalyst, and a gaseous composition, the gaseous composition having; (i) a mole ratio of alpha-olefin to ethylene of from about 0.01:1 to about 0.8:1; and optionally (ii) a mole ratio of hydrogen to ethylene of from about 0.001:1 to about 0.3:1, to produce a high molecular weight polymer(HMW); and (2) transferring the HMW polymer from step 1 to a second gas phase fluidized bed reactor under polymerization conditions and at a temperature of from about 70 °C to about 110 °C, with a gaseous composition having; (i) a mole ratio of alpha-olefin to ethylene of from about 0.0005:1 to about 0.01:1; and (ii) a mole ratio of hydrogen (if present) to ethylene of from about 0.01:1 to about 3:1 to form a polymer blend product; and (3) melting the polymer blend product in an extruder having a mixer vent wherein; (ii) the mixture vent has an oxygen concentration of from about 0.05 to about 6 volume percent oxygen in nitrogen; and (ii) the extrusion temperature is sufficient to melt the polymer and achieve tailoring in the presence of oxygen; and (4) passing the molten polymer blend through one or more active screens, wherein in the 5 case of two or more active screens, the screens are positioned in series, each active screen having a micron retention size of from about 2 to about 70, at a mass flux of about 1.0 to about 20 kg/s/m 2 ) to form a screened molten polymer blend. The composition is preparable by the process and is preferably prepared by the process. The resin exhibits improved extrusion processing at high commercial line speeds, while exhibiting an excellent balance of 10 bubble stability, dart drop, and FAR, as well as outstanding NCLS with good flexural modulus.
摘要翻译：本发明包括多峰聚乙烯组合物，其具有（1）通过ASTM方法D-1505测量的至少约0.940g / cm 3的密度; （2）约0.2至约1.5g / 10min的熔体流动指数（I5）（通过ASTM D-1238测量，在190℃和5千克下测量）; （3）约20至约50的熔体流动指数比（I21 / I5）; （4）约20至约40的分子量分布Mw / Mn; （5）根据特定设备测量的约6×10 -6μm厚度的至少约1.22m / s线速度的膜的规定条件下测量的气泡稳定性，至少约45kg / hr（0.013kg / 秒）或至少约0.5lb / hr / rpm（0.0000011kg / s / rps）的特定输出速率或其组合; 所述组合物包含：和（6）至少300g的12.5微米（1.25×10 -5）膜的飞镖撞击; 根据ASTM 1709，方法A测量; （A）高分子量级分; （a）的存在量为约30至约70重量％（基于组合物的总重量）; （b）通过ASTM D-1505测量的密度为至少约0.860g / cm 3; （c）具有约0.01至约50g / 10min的熔体流动指数（I21）（通过ASTM D-1238测量，在190℃和21.6千克下测量）; 和（d）约6至约12的熔体流动指数比（I21 / I5）; 和（B）低分子量级分; （a）的存在量为约30至约70重量％（基于组合物的总重量）; （b）通过ASTM D-1505测量的密度为至少约0.900g / cm 3; （c）具有约0.5至约3000g / 10min的熔体流动指数（I 2）（通过ASTM D-1238测量，在190℃和2.16千克下测量）; （d）约5至约15的熔体流动指数比（I21 / I5）; 和（e）使用α-烯烃与乙烯的摩尔比小于或等于约0.001:1制备。本发明还包括一种生产多峰乙烯聚合物的方法，该方法包括以下步骤：（1）在聚合条件下和第一气相流化床反应器中在约70℃至约110℃的温度下接触，负载型钛镁催化剂前体，助催化剂和气态组合物，所述气态组合物具有：（i）α-烯烃与乙烯的摩尔比为约0.01:1至约0.8:1; 和（ii）氢与乙烯的摩尔比为约0.001:1至约0.3:1，以产生高分子量聚合物（HMW）; 和（2）在聚合条件下和在约70℃至约110℃的温度下将HMW聚合物从步骤1转移到第二气相流化床反应器，气态组合物具有：（i）α-烯烃与乙烯的摩尔比为约0.0005:1至约0.01:1; 和（ii）氢（如果存在）与乙烯的摩尔比为约0.01:1至约3:1以形成聚合物共混物; 和（3）在具有混合器排气口的挤出机中熔化聚合物共混物，其中：（ii）混合物通气口的氧浓度为f

2. 发明申请

WO2010144784A9 NOVEL LDPE ENABLING HIGH OUTPUT AND GOOD OPTICS WHEN BLENDED WITH OTHER POLYMERS 审中-公开
标题翻译：新型LDPE在与其他聚合物混合时启用高输出和良好光学
公开(公告)号：WO2010144784A9
公开(公告)日：2011-01-20
申请号：PCT/US2010038285
申请日：2010-06-11
申请人： DOW GLOBAL TECHNOLOGIES INC , KARJALA TERESA , SAVARGAONKAR NILESH , ORTEGA JOSE , COBLER BRAD , KARDOS LORI , YAU WALLACE
发明人： KARJALA TERESA , SAVARGAONKAR NILESH , ORTEGA JOSE , COBLER BRAD , KARDOS LORI , YAU WALLACE
IPC分类号： C08F10/02 , C08J5/18 , C08L23/04
CPC分类号： C08F10/02 , C08F110/02 , C08J5/18 , C08J2323/04 , C08J2323/06 , C08L23/04 , C08L23/06 , C08L23/0815 , C08L2205/02 , C08F2/001 , C08F2/38 , C08L2666/06 , C08L2666/04 , C08F2500/04 , C08F2500/12 , C08F2500/20 , C08F2500/11 , C08F2500/26
摘要： An ethylene-based polymer characterized as having a density from about 0.9 to about 0.94 grams per cubic centimeter, a molecular weight distribution (Mw/Mn) from about 8 to about 30, a melt index (I2) from about 0.1 to about 50 grams per 10 minutes, a gpcBR value greater than 1.4 as determined by a gpcBR Branching Index and a Y value less than about 2 is disclosed. This ethylene-based polymer is especially useful for blending with other polymers such as LLDPE. When converting the blends into film, especially blown film, bubble stability and output is increased.
摘要翻译：特征在于具有约0.9至约0.94克/立方厘米的密度，约8至约30的分子量分布（Mw / Mn），约0.1至约50克的熔体指数（I 2）每10分钟，公开了由gpcBR分支指数确定的gpcBR值大于1.4，Y值小于约2。该乙烯类聚合物特别适用于与其它聚合物如LLDPE共混。当将共混物转化成膜，特别是吹塑膜时，气泡稳定性和输出增加。

3. 发明申请

WO2011163076A1 MASTERBATCH COMPOSITION 审中-公开
标题翻译：主板组合
公开(公告)号：WO2011163076A1
公开(公告)日：2011-12-29
申请号：PCT/US2011/040863
申请日：2011-06-17
申请人： DOW GLOBAL TECHNOLOGIES LLC , AWATE, Satish , COBLER, Brad A. , PATEL, Rajen M.
发明人： AWATE, Satish , COBLER, Brad A. , PATEL, Rajen M.
IPC分类号： C08K3/26 , C08J3/22 , C08J5/18 , C08L23/06 , C08L23/14
CPC分类号： C08K3/26 , C08J3/226 , C08J5/18 , C08J2323/04 , C08J2423/14 , C08L23/06 , C08L23/14 , C08L23/142 , C08L2310/00 , C08L23/00
摘要： The instant invention provides a masterbatch composition, method of producing the same, polymeric compositions suitable for films, and films made therefrom. The masterbatch composition according to the present invention comprises: (a) from 70 to 90 percent by weight of a filler comprising calcium carbonate; and (b) from 10 to 30 percent by weight of a propylene/alpha-olefin copolymer composition, wherein said propylene/alpha-olefin copolymer composition has a crystallinity in the range of from 1 percent by weight to 30 percent by weight, a heat of fusion in the range of from 2 Joules/gram to 50 Joules/gram, and a DSC melting point in the range of 25° C to 110° C.
摘要翻译：本发明提供母料组合物，其制备方法，适用于薄膜的聚合物组合物和由其制成的薄膜。根据本发明的母料组合物包含：（a）70-90重量％的包含碳酸钙的填料; 和（b）10至30重量％的丙烯/α-烯烃共聚物组合物，其中所述丙烯/α-烯烃共聚物组合物的结晶度为1重量％至30重量％，热量熔点范围为2焦耳/克至50焦耳/克，DSC熔点在25℃至110℃的范围内。

4. 发明申请

WO2010144784A1 NOVEL LDPE ENABLING HIGH OUTPUT AND GOOD OPTICS WHEN BLENDED WITH OTHER POLYMERS 审中-公开
标题翻译：新型LDPE在与其他聚合物混合时使用高输出和良好光学
公开(公告)号：WO2010144784A1
公开(公告)日：2010-12-16
申请号：PCT/US2010/038285
申请日：2010-06-11
申请人： DOW GLOBAL TECHNOLOGIES INC. , KARJALA, Teresa , SAVARGAONKAR, Nilesh , ORTEGA, Jose , COBLER, Brad , KARDOS, Lori , YAU, Wallace
发明人： KARJALA, Teresa , SAVARGAONKAR, Nilesh , ORTEGA, Jose , COBLER, Brad , KARDOS, Lori , YAU, Wallace
IPC分类号： C08F10/02 , C08J5/18 , C08L23/04
CPC分类号： C08F10/02 , C08F110/02 , C08J5/18 , C08J2323/04 , C08J2323/06 , C08L23/04 , C08L23/06 , C08L23/0815 , C08L2205/02 , C08F2/001 , C08F2/38 , C08L2666/06 , C08L2666/04 , C08F2500/04 , C08F2500/12 , C08F2500/20 , C08F2500/11 , C08F2500/26
摘要： An ethylene-based polymer characterized as having a density from about 0.9 to about 0.94 grams per cubic centimeter, a molecular weight distribution (Mw/Mn) from about 8 to about 30, a melt index (I2) from about 0.1 to about 50 grams per 10 minutes, a gpcBR value greater than 1.4 as determined by a gpcBR Branching Index and a Y value less than about 2 is disclosed. This ethylene-based polymer is especially useful for blending with other polymers such as LLDPE. When converting the blends into film, especially blown film, bubble stability and output is increased.
摘要翻译：特征在于密度为约0.9至约0.94克/立方厘米，分子量分布（Mw / Mn）为约8至约30，熔体指数（I 2）为约0.1至约50克的乙烯基聚合物每10分钟，公开了通过gpcBR分支指数测定的gpcBR值大于1.4，Y值小于约2。这种基于乙烯的聚合物特别适用于与其它聚合物如LLDPE共混。当将共混物转化成膜，特别是吹塑膜时，气泡稳定性和输出增加。

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