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1.发明授权
公开(公告)号：US5668220A
公开(公告)日：1997-09-16
申请号：US686299
申请日：1996-07-19
摘要： Chlorinated and chlorosulfonated polyethylenes are produced by chlorinating substantially linear olefin polymers having a melt flow ratio, I.sub.10 /I.sub.2, .gtoreq.5.63, a molecular weight distribution, M.sub.w /M.sub.n, defined by the equation: M.sub.w /M.sub.n .gtoreq.(I.sub.10 /I.sub.2)-4.63, a critical shear rate at onset of gross melt fracture of at least 50 percent greater than the critical shear rate at the onset of surface melt fracture of a linear olefin polymer having about the same I.sub.2 and Mw/Mn and at least about 0.01 long chain branches/1000 carbons and a molecular weight distribution from about 1.5 to about 2.5 and their method of manufacture are disclosed. The chlorosulfonated polyethylenes are produced by treating the chlorinated polyethylenes with a mixture of gaseous chlorine and sulfur dioxide.
摘要翻译： 氯化和氯磺化的聚乙烯是通过氯化基本上线性的烯烃聚合物生产的，该烯烃聚合物的熔体流动比为I10 / I2，≥5.63，分子量分布，Mw / Mn，由下式定义：Mw / Mn> / =（I10 / I2）-4.63，总熔体断裂开始时的临界剪切速率比具有大约相同的I2和Mw / Mn的直链烯烃聚合物的表面熔融断裂开始时的临界剪切速率至少高50％，并且至少 约0.01个长支链/ 1000个碳，分子量分布约为1.5至约2.5，并且其制造方法被公开。 通过用氯气和二氧化硫的混合物处理氯化聚乙烯来制备氯磺化的聚乙烯。
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2.发明授权
公开(公告)号：US5525679A
公开(公告)日：1996-06-11
申请号：US279735
申请日：1994-07-25
摘要： Chlorinated and chlorosulfonated polyethylenes are produced by chlorinating substantially linear olefin polymers having a melt flow ratio, I.sub.10 /I.sub.2, .gtoreq.5.63, a molecular weight distribution, M.sub.w /M.sub.n, defined by the equation: M.sub.w /M.sub.n .ltoreq.(I.sub.10 /I.sub.2)-4.63, a critical shear rate at onset of gross melt fracture of at least 50 percent greater than the critical shear rate at the onset of surface melt fracture of a linear olefin polymer having about the same I.sub.2 and Mw/Mn and at least about 0.01 long chain branches/1000 carbons and a molecular weight distribution from about 1.5 to about 2.5 and their method of manufacture are disclosed. The chlorosulfonated polyethylenes are produced by treating the chlorinated polyethylenes with a mixture of gaseous chlorine and sulfur dioxide.
摘要翻译： 氯化和氯磺化的聚乙烯通过氯化基本上线性的烯烃聚合物来制备，所述烯烃聚合物的熔体流动比为I 10 / I 2≥5.63，分子量分布，Mw / Mn，由下式定义：Mw / Mn < I2）-4.63，总熔体断裂开始时的临界剪切速率比具有大约相同的I2和Mw / Mn的直链烯烃聚合物的表面熔融断裂开始时的临界剪切速率至少高50％，并且至少 约0.01个长支链/ 1000个碳，分子量分布约为1.5至约2.5，并且其制造方法被公开。 通过用氯气和二氧化硫的混合物处理氯化聚乙烯来制备氯磺化的聚乙烯。
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3.发明授权
公开(公告)号：US5565521A
公开(公告)日：1996-10-15
申请号：US450432
申请日：1995-05-25
摘要： Chlorinated and chlorosulfonated polyethylenes are produced by chlorinating substantially linear olefin polymers having a melt flow ratio, I.sub.10 /I.sub.2, .gtoreq.5.63, a molecular weight distribution, M.sub.w /M.sub.n, defined by the equation: M.sub.w /M.sub.n .ltoreq.(I.sub.10 /I.sub.2)-4.63, a critical shear rate at onset of gross melt fracture of at least 50 percent greater than the critical shear rate at the onset of surface melt fracture of a linear olefin polymer having about the same I.sub.2 and M.sub.w /M.sub.n and at least about 0.01 long chain branches/1000 carbons and a molecular weight distribution from about 1.5 to about 2.5 and their method of manufacture are disclosed. The chlorosulfonated polyethylenes are produced by treating the chlorinated polyethylenes with a mixture of gaseous chlorine and sulfur dioxide.
摘要翻译： 氯化和氯磺化的聚乙烯通过氯化基本上线性的烯烃聚合物来制备，所述烯烃聚合物的熔体流动比为I 10 / I 2≥5.63，分子量分布，Mw / Mn，由下式定义：Mw / Mn < I2）-4.63，总熔体断裂开始时的临界剪切速率比具有大约相同的I2和Mw / Mn的直链烯烃聚合物的表面熔融断裂开始时的临界剪切速率至少高50％，并且至少 约0.01个长支链/ 1000个碳，分子量分布约为1.5至约2.5，并且其制造方法被公开。 通过用氯气和二氧化硫的混合物处理氯化聚乙烯来制备氯磺化的聚乙烯。
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4.发明授权Polyethylene blend composition suitable for blown film, method of producing the same, and films made therefrom 有权适用于吹塑薄膜的聚乙烯共混组合物，其制造方法和由其制成的薄膜公开(公告)号：US09284440B2
公开(公告)日：2016-03-15
申请号：US14118646
申请日：2012-07-02
申请人： Lawrence J. Effler, Jr. , Nilesh R. Savargaonkar , Mehmet Demirors , Selim Bensason , Teresa P. Karjala , Gregory Bunker , Cristina Serrat , Jian Wang
发明人： Lawrence J. Effler, Jr. , Nilesh R. Savargaonkar , Mehmet Demirors , Selim Bensason , Teresa P. Karjala , Gregory Bunker , Cristina Serrat , Jian Wang
CPC分类号： C08L23/06 , B32B1/02 , C08J5/18 , C08J2323/08 , C08L23/0815 , Y10T428/1352
摘要： The instant invention provides a polyethylene blend composition suitable for blown film, method of producing the same, and films made therefrom. The polyethylene blend composition suitable for blown film according to the present invention comprises the melt blending product of: (a) less than or equal to 4 percent by weight of a low density polyethylene (LDPE) having a density in the range of from 0.915 to 0.935 g/cm3, and a melt index (I2) in the range of from greater than 0.8 to less than or equal to 5 g/10 minutes, and a molecular weight distribution (Mw/Mn) in the range of from 6 to 10; (b) 90 percent or greater by weight of a heterogenous linear low density polyethylene (hLLDPE) having a density in the range of from 0.917 to 0.950 g/cm3, and a melt index (I2) in the range of from 0.1 to less than or equal to 5 g/10 minutes; (c) optionally a hydrotalcite based neutralizing agent; (d) optionally one or more nucleating agents; and (e) optionally one or more antioxidants. When the polyethylene blend-composition is formed into a film via blown film process, the output rate is improved at least 6 percent relative to a similar linear low density polyethylene.
摘要翻译： 本发明提供了适用于吹塑薄膜的聚乙烯共混组合物，其制备方法和由其制成的薄膜。 适用于本发明吹塑薄膜的聚乙烯共混组合物包括：（a）小于或等于4重量％的密度范围为0.915至0.915的低密度聚乙烯（LDPE）的熔融共混产物 0.935g / cm 3，熔体指数（I 2）在大于0.8至小于或等于5g / 10分钟的范围内，分子量分布（Mw / Mn）为6至10 ; （b）90重量％以上的密度为0.917〜0.950g / cm3的异质线性低密度聚乙烯（hLLDPE），熔体指数（I 2）为0.1〜 或等于5g / 10分钟; （c）任选的基于水滑石的中和剂; （d）任选的一种或多种成核剂; 和（e）任选的一种或多种抗氧化剂。 当聚乙烯共混物组合物通过吹膜法形成膜时，相对于类似的线性低密度聚乙烯，输出速率提高至少6％。
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5.发明授权Ethylene/alpha-olefin interpolymer suitable for use in shrinkage film applications, and articles made therefrom 有权适用于收缩膜应用的乙烯/α-烯烃互聚物及由其制成的制品公开(公告)号：US08921500B2
公开(公告)日：2014-12-30
申请号：US13816665
申请日：2010-09-29
申请人： Teresa P. Karjala , Lawrence J. Effler, Jr. , Mehmet Demirors , Cristina Serrat , Lonnie G. Hazlitt
发明人： Teresa P. Karjala , Lawrence J. Effler, Jr. , Mehmet Demirors , Cristina Serrat , Lonnie G. Hazlitt
IPC分类号： C08F4/42 , C08F110/14
CPC分类号： C08F4/42 , C08F10/00 , C08F210/16 , C08J5/18 , C08J2323/08 , C08F210/14 , C08F2500/12 , C08F2500/06 , C08F2500/03 , C08F2500/26 , C08F4/6546
摘要： The instant invention provides an ethylene/alpha-olefin interpolymer suitable for use in shrinkage film applications, and articles made therefrom. The ethylene/alpha-olefin interpolymer according to the present invention has a CDBI of less than 60%, and comprises at least two fractions in crossfractionation of the ethylene/alpha-olefin interpolymer, eluting from 85° C. to 90° C. and from 90° C. to 95° C., comprising a weight fraction ratio of >0.68 and a molecular weight homogeneity index of greater than 0.65; wherein the weight fraction ratio is the ratio of the weight of polymer in each fraction divided by the weight of polymer eluting between 95° C. and 100° C. and the molecular weight homogeneity index is the ratio of the weight average molecular weight of the polymer in the fraction divided by the weight average molecular weight of the polymer eluting between 95° C. and 100° C., and wherein the ethylene/alpha-olefin interpolymer has a density in the range of 0.920 to 0.940 g/cm3.
摘要翻译： 本发明提供了适用于收缩膜应用的乙烯/α-烯烃互聚物和由其制成的制品。 根据本发明的乙烯/α-烯烃互聚物的CDBI小于60％，并且在85℃至90℃下从乙烯/α-烯烃互聚物的交叉分级中至少包含两个馏分， 包括重量分数比> 0.68且分子量均匀度指数大于0.65的90℃至95℃; 其中重量分数比是每个级分中聚合物的重量比除以95℃和100℃之间洗脱的聚合物的重量的比例，分子量均匀度指数是重均分子量 该分数中的聚合物除以在95℃和100℃之间洗脱的聚合物的重均分子量，其中乙烯/α-烯烃互聚物的密度在0.920至0.940g / cm3的范围内。
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