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    Polymer compositions having improved barrier properties
    1.
    发明授权
    Polymer compositions having improved barrier properties 有权
    聚合物组合物具有改善的阻隔性能

    公开(公告)号：US09284391B2

    公开(公告)日：2016-03-15

    申请号：US13306321

    申请日：2011-11-29

    申请人： Mark L. Hlavinka ,  Qing Yang ,  Guylaine St. Jean ,  Brooke A. Gill ,  Deloris R. Gagan

    发明人： Mark L. Hlavinka ,  Qing Yang ,  Guylaine St. Jean ,  Brooke A. Gill ,  Deloris R. Gagan

    IPC分类号： C08F10/02 ,  C08F110/02 ,  C08F4/64 ,  C08F4/659 ,  C08F4/6592

    CPC分类号： C08F110/02 ,  C08F4/65912 ,  C08F4/65916 ,  C08F4/65925 ,  C08F4/65927 ,  C08F10/02 ,  Y10T428/1352 ,  C08F4/65904 ,  C08F2500/07 ,  C08F2500/12

    摘要： A polymer having a melt index of from about 0.5 g/10 min to about 4.0 g/10 min and a density of equal to or greater than 0.96 g/cc which when formed into a 1-mil film displays a moisture vapor transmission rate ranging from equal to or greater than about 0 to equal to or about 20% greater than X where X=k1{−61.95377+39.52785(Mz/Mw)−8.16974(Mz/Mw)2+0.55114(Mz/Mw)3}+k2{−114.01555(τ)+37.68575(Mz/Mw)(τ)−2.89177(Mz/Mw)2(τ)}+k3{120.37572(τ)2−25.91177(Mz/Mw)(τ)2}+k4{18.03254(τ)3} when Mw is from about 100 kg/mol to about 180 kg/moL; Mz is from about 300 kg/mol to about 1000 kg/mol; τ is from about 0.01 S to about 0.35 s; k1 is 1 g/100 in2·day; k2 is 1 g/100 in2·day·s; k3 is 1 g/100 in2·day·s2; and k4 is 1 g/100 in2·day·s3.

    摘要翻译： 熔体指数为约0.5g / 10min至约4.0g / 10min，密度等于或大于0.96g / cc的聚合物，当其形成1密耳膜时，其表现出一定范围内的湿气透过率 等于或大于X大于等于或大约20％，其中X = k1 {-61.95377 + 39.52785（Mz / Mw）-8.16974（Mz / Mw）2 + 0.55114（Mz / Mw）3} + k2 {-114.01555（τ）+37.68575（Mz / Mw）（τ）-2.89177（Mz / Mw）2（τ）} + k3 {120.37572（τ）2-25.91177（Mz / Mw）（τ） 当Mw为约100kg / mol至约180kg / moL时，k4 {18.03254（τ）3} Mz为约300kg / mol至约1000kg / mol; τ为约0.01S至约0.35s; k1为1 g / 100 in2·day; k2为1 g / 100 in2·day·s; k3为1 g / 100 in2·day·s2; k4为1 g / 100 in2·day·s3。

    Polymer compositions having improved barrier properties
    2.
    发明授权
    Polymer compositions having improved barrier properties 有权
    聚合物组合物具有改善的阻隔性能

    公开(公告)号：US09018329B2

    公开(公告)日：2015-04-28

    申请号：US13224775

    申请日：2011-09-02

    申请人： Qing Yang ,  Mark L. Hlavinka ,  Guylaine St. Jean ,  Brooke A. Gill

    发明人： Qing Yang ,  Mark L. Hlavinka ,  Guylaine St. Jean ,  Brooke A. Gill

    IPC分类号： C08F110/02 ,  C08J5/18

    CPC分类号： C08F110/02 ,  C08J5/18 ,  C08J2323/06 ,  Y10T428/1397 ,  C08F2500/07 ,  C08F2500/12 ,  C08F2500/26

    摘要： A unimodal polymer having a melt index of from about 0.5 g/10 min to about 4 g/10 min, a density of equal to or greater than about 0.945 g/cc which when formed into a film displays a moisture vapor transmission rate of less than about 0.55 g-mil/100 in2 in 24 hours as determined in accordance with ASTM F 1249. A unimodal polymer having a melt index of from about 0.5 g/10 min to about 4 g/10 min, a density of equal to or greater than about 0.945 g/cc which when formed into a film displays a moisture vapor transmission rate of less than about 0.44 g-mil/100 in2 in 24 hours as determined in accordance with ASTM F 1249.

    摘要翻译： 熔体指数为约0.5g / 10min至约4g / 10min，密度等于或大于约0.945g / cc的单峰聚合物，当其形成薄膜时，其表现出较小的水蒸气透过率 在根据ASTM F 1249测定的24小时内约为0.55g-mil / 100in2。熔体指数为约0.5g / 10min至约4g / 10min的单峰聚合物，密度等于或等于 大于约0.945g / cc，当其形成膜时，根据ASTM F 1249测定，在24小时内显示小于约0.44g / mil / 100in2的水蒸气透过率。

    Polymer resins having improved barrier properties and methods of making same
    5.
    发明授权
    Polymer resins having improved barrier properties and methods of making same 有权
    具有改进的阻挡性能的聚合物树脂及其制备方法

    公开(公告)号：US08476394B2

    公开(公告)日：2013-07-02

    申请号：US12875373

    申请日：2010-09-03

    申请人： Guylaine St. Jean ,  Qing Yang ,  Chung Tso ,  Max P. McDaniel

    发明人： Guylaine St. Jean ,  Qing Yang ,  Chung Tso ,  Max P. McDaniel

    IPC分类号： C08F210/02 ,  C08F210/00

    CPC分类号： C08L23/04 ,  C08L2205/02 ,  C08L2666/06

    摘要： A polymeric resin having a lower molecular weight (LMW) component and a higher molecular weight (HMW) component and the resin having a density of from about 0.955 g/cc to about 0.967 g/cc, a melt index of from about 0.5 dg/min to about 4.0 dg/min, and a zero shear viscosity of from about 3.0×103 Pa-s to about 4.0×104 Pa-s. A method comprising providing a catalyst system comprising at least one transition metal complex, an activator support, and a cocatalyst; contacting the catalyst system with an olefin under conditions suitable to form a polyolefin, wherein the polyolefin has a HMW component and a LMW component; and recovering the polyolefin, wherein the polyolefin has a melt index of from about 0.5 dg/min to about 4.0 dg/min, and a zero shear viscosity of from about 3.0×103 Pa-s to about 4.0×104 Pa-s.

    摘要翻译： 具有较低分子量（LMW）组分和较高分子量（HMW）组分的聚合物树脂，该树脂的密度为约0.955g / cc至约0.967g / cc，熔体指数为约0.5dg / min至约4.0dg / min，零剪切粘度为约3.0×10 3 Pa·s至约4.0×10 4 Pa·s。 一种包括提供包含至少一种过渡金属络合物，活化剂载体和助催化剂的催化剂体系的方法; 在适于形成聚烯烃的条件下使催化剂体系与烯烃接触，其中聚烯烃具有HMW组分和LMW组分; 并回收聚烯烃，其中聚烯烃的熔体指数为约0.5dg / min至约4.0dg / min，零剪切粘度为约3.0×10 3 Pa〜s至约4.0×10 4 Pa·s。

    Film extruded from an in situ blend of ethylene copolymers
    6.
    发明授权
    Film extruded from an in situ blend of ethylene copolymers 失效
    从乙烯共聚物的原位共混物挤出的薄膜

    公开(公告)号：US5514455A

    公开(公告)日：1996-05-07

    申请号：US272258

    申请日：1994-07-08

    申请人： William J. Michie, Jr. ,  Guylaine St. Jean

    发明人： William J. Michie, Jr. ,  Guylaine St. Jean

    IPC分类号： B29C47/00 ,  B29C55/12 ,  B29K23/00 ,  B29L7/00 ,  C08F2/01 ,  C08F4/60 ,  C08F4/654 ,  C08F4/659 ,  C08F10/00 ,  C08F210/02 ,  C08J5/18 ,  C08L23/00 ,  C08L23/08 ,  C08L23/18 ,  C08L23/20

    CPC分类号： C08J5/18 ,  C08J2323/08

    摘要： A film comprising a blend of copolymers, which has been (i) extruded to a gauge in the range of about 0.3 to about 0.9 mil, said film having an Elmendorf Tear Strength in the machine direction of at least about 25 grams per mil greater than the Elmendorf Tear Strength in the machine direction of the same blend of copolymers, which has been extruded to a gauge of one mil, or (ii) extruded to a heavy gauge of at least about 5 mils and then biaxially oriented and reduced to a gauge of about 1.5 mils or less, first in the machine direction at a gauge reduction ratio of at least about 2:1, and then in the transverse direction at a gauge reduction ratio of at least about 1.5:1, said blend having been produced in situ by contacting ethylene and at least one alpha-olefin comonomer having 3 to 8 carbon atoms with a magnesium/titanium based catalyst system in each of two reactors connected in series, under polymerization conditions.

    摘要翻译： 一种包含共聚物共混物的膜，其已经（i）挤出到约0.3至约0.9密耳范围内的量规，所述膜在机器方向上具有至少约25克/密耳的Elmendorf撕裂强度，大于 将Elmendorf撕裂强度在相同共混物混合物的纵向方向上挤出至1密耳的规格，或（ii）挤出至至少约5密耳的重量规，然后双轴取向并还原成规 约1.5密耳或更小，首先在机器方向上以至少约2:1的压缩比率，然后在横向方向上以至少约1.5:1的压缩比，所述共混物已经在 通过在聚合条件下使乙烯和至少一个具有3至8个碳原子的α-烯烃共聚单体与两个反应器中的每一个中的镁/钛基催化剂体系接触而原位。

    Film extruded from an in situ blend of ethylene copolymers
    7.
    发明授权
    Film extruded from an in situ blend of ethylene copolymers 失效
    从乙烯共聚物的原位共混物挤出的薄膜

    公开(公告)号：US5503914A

    公开(公告)日：1996-04-02

    申请号：US272260

    申请日：1994-07-08

    申请人： William J. Michie, Jr. ,  George E. Ealer ,  Guylaine St. Jean ,  Charles J. Sakevich ,  Diane J. Rickman-Davis

    发明人： William J. Michie, Jr. ,  George E. Ealer ,  Guylaine St. Jean ,  Charles J. Sakevich ,  Diane J. Rickman-Davis

    IPC分类号： B29C47/00 ,  B29K23/00 ,  B29L7/00 ,  C08F4/60 ,  C08F4/654 ,  C08F4/659 ,  C08F10/00 ,  C08F210/02 ,  C08F210/16 ,  C08F297/00 ,  C08F297/08 ,  C08J5/18 ,  C08L23/00 ,  C08L23/08 ,  C08L23/18 ,  C08L23/20

    CPC分类号： C08J5/18 ,  C08F210/16 ,  C08F297/00 ,  C08F297/08 ,  C08L23/0815 ,  C08J2323/08 ,  C08J2323/16 ,  C08L2205/02 ,  C08L2314/02

    摘要： A film comprising a blend of copolymers, which has been extruded (i) to a film having a gauge of less than about 1.8 mils; a dart impact strength of at least about 80 grams per mil at a density of 0.926 gram per cubic centimeter; and a dart impact strength of at least about 480 grams per mil at a density of 0.918 gram per cubic centimeter and/or (ii) to a film having a gauge of less than about 5 mils, and a blocking force of less than about 120 grams and a COF in the range of about 0.2 to about 0.5, said blend having been produced in situ by contacting ethylene and at least one alpha-olefin comonomer with a magnesium/titanium based catalyst system in each of two reactors connected in series, under polymerization conditions, wherein the polymer formed in the high molecular weight reactor has a flow index in the range of about 0.01 to about 30 grams per 10 minutes and a density in the range of about 0.860 to about 0.940 gram per cubic centimeter and the polymer formed in the low molecular weight reactor has a melt index in the range of about 50 to about 3000 grams per 10 minutes and a density in the range of about 0.900 to about 0.970 gram per cubic centimeter, the weight ratio of high molecular weight reactor polymer to low molecular weight reactor polymer being in the range of about 0.5:1 to about 2:1 with the proviso that for film (i), 1-butene is at least one of the comonomer(s) used in the low molecular weight reactor and is present in the in situ blend in a weight ratio of 1-butene to the other comonomer(s) in the range of about 0.001:1 to about 1.3:1, and for film (ii), the film is essentially free of antiblock and slip agents.

    摘要翻译： 一种包含共聚物共混物的膜，其已经挤出（i）到具有小于约1.8密耳的量规的膜; 在0.926克/立方厘米的密度下，至少约80克/密耳的飞镖冲击强度; 以及在0.918克/立方厘米的密度下至少约480克/密耳的镖冲击强度和/或（ii）具有小于约5密耳的量规的膜，以及小于约120密耳的阻塞力 克和约0.2至约0.5范围内的COF，所述共混物通过在两个串联连接的两个反应器中的每一个中的乙烯和至少一种α-烯烃共聚单体与基于镁/钛的催化剂体系接触而原位制备， 聚合条件，其中在高分子量反应器中形成的聚合物的流动指数在约0.01至约30克/ 10分钟的范围内，密度在约0.860至约0.940克/立方厘米的范围内，形成的聚合物 在低分子量反应器中的熔体指数在约50至约3000克/ 10分钟的范围内，密度在约0.900至约0.970克/立方厘米的范围内，高分子量反应器的重量比 裂解至低分子量反应器聚合物的范围为约0.5:1至约2:1，条件是对于膜（i），1-丁烯是低分子量中使用的至少一种共聚单体 并且以约0.001:1至约1.3:1的范围以1-丁烯与其它共聚单体的重量比存在于原位共混物中，并且对于膜（ii），该膜基本上是游离的 的防粘剂和滑爽剂。