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42 条记录 (耗时 0.056 秒)

    Cast stretch film of interpolymer compositions
    1.
    发明授权
    Cast stretch film of interpolymer compositions 有权
    互聚物组合物的拉伸膜

    公开(公告)号：US06812289B2

    公开(公告)日：2004-11-02

    申请号：US10200814

    申请日：2002-07-22

    申请人： Jozef J. I. Van Dun ,  Jacquelyn A. deGroot ,  Pradeep Jain ,  Kalyan Sehanobish ,  Pak-Wing S. Chum

    发明人： Jozef J. I. Van Dun ,  Jacquelyn A. deGroot ,  Pradeep Jain ,  Kalyan Sehanobish ,  Pak-Wing S. Chum

    IPC分类号： C08L2300

    CPC分类号： B32B27/32 ,  Y10S526/943

    摘要： This invention relates to cast films prepared from interpolymer compositions comprising; (A) a substantially linear ethylene/&agr;-olefin interpolymer present in the composition in an amount of from about 10 to about 100% by weight based on the combined weight of Components A and B; and (B) a heterogeneous interpolymer present in the composition in an amount of from about 0 to about 90% by weight based on the combined weight of Components A and B; and wherein said interpolymer composition has an I10/I2 value of −1.2−1.3* log(I2) The interpolymer compositions are useful in cast stretch film manufacture with the resulting cast films having an excellent balance of strength and processability.

    摘要翻译： 本发明涉及由互聚物组合物制备的流延膜，其包含：（A）组合物中基本上线性的乙烯/α-烯烃互聚物，其量为约10至约100重量％，基于组分A和 B; 和（B）基于组分A和B的组合重量，组合物中存在的异构互聚物的量为约0至约90重量％; 并且其中所述互聚物组合物的I 10 / I 2值<约10.0，并且其特征在于具有100rad / s的粘度和满足以下关系之一的弛豫时间（τ）;或所述互聚物组合物可用于铸塑拉伸膜 制造出具有优异的强度和加工性能的所得流延薄膜。

    Polyolefin elastomer blends exhibiting improved properties
    4.
    发明授权
    Polyolefin elastomer blends exhibiting improved properties 失效
    表现出改进性能的聚烯烃弹性体共混物

    公开(公告)号：US6005053A

    公开(公告)日：1999-12-21

    申请号：US784681

    申请日：1997-01-22

    申请人： Deepak R. Parikh ,  Pak-Wing S. Chum ,  Rajen M. Patel ,  Klye G. Kummer ,  Pradeep Jain ,  Thomas J. McKeand, Jr. ,  Ronald P. Markovich ,  Timothy E. Clayfield ,  Wasif Ahmed Khan

    发明人： Deepak R. Parikh ,  Pak-Wing S. Chum ,  Rajen M. Patel ,  Klye G. Kummer ,  Pradeep Jain ,  Thomas J. McKeand, Jr. ,  Ronald P. Markovich ,  Timothy E. Clayfield ,  Wasif Ahmed Khan

    IPC分类号： C08L23/04 ,  C08L23/08 ,  C08L91/00 ,  C08L33/02

    CPC分类号： C08L23/0815 ,  C08L2205/02 ,  C08L91/00

    摘要： Polymer mixtures are disclosed which comprise at least one homogeneously branched ethylene polymer (A) and at least one ethylene polymer (B) having a crystallinity which is at least 7% greater than the crystallinity of polymer (A) with certain provisos. A process for making a molded article using the disclosed polymer mixtures is disclosed as well as films, film layers, coatings and molded articles formed from those mixtures. These mixtures have several advantages over polymer compositions of the prior art, including improved properties at elevated temperatures such as improved softening point under load, improved hardness, improved toughness, improved 100% modulus of elasticity, improved compression set, improved ability to prevent oil bleed out at lower temperatures when the mixture contains oil and reduced injection molding cycle time. The mixtures retain their performance advantages even when substantial amounts of additives such as oil and filler are incorporated into the mixture. The mixtures may also be crosslinked after they are formed into the shape of an article to form vulcanized elastomeric products. The polymer mixtures have utility in a variety of applications.

    摘要翻译： 公开了包含至少一种均匀支化的乙烯聚合物（A）和至少一种乙烯聚合物（B）的聚合物混合物，其结晶度比聚合物（A）的结晶度大至少7％，具有某些条件。 公开了使用所公开的聚合物混合物制备模塑制品的方法以及由这些混合物形成的薄膜，薄膜层，涂层和模塑制品。 这些混合物具有优于现有技术的聚合物组合物的几个优点，包括在升高的温度下改进的性能，例如负载下改进的软化点，改进的硬度，改进的韧性，改进的100％弹性模量，改进的压缩永久变形，改进的防止油渗出的能力 当混合物含有油和降低注塑周期时，在较低的温度下出来。 即使将大量的添加剂如油和填料加入到混合物中，混合物也保持其性能优势。 在混合物形成制品的形状以形成硫化的弹性体产品之后，它们也可以交联。 聚合物混合物可用于各种应用。

    Narrow MWD, compositionally optimized ethylene interpolymer composition, process for making the same and article made therefrom
    9.
    发明授权
    Narrow MWD, compositionally optimized ethylene interpolymer composition, process for making the same and article made therefrom 有权
    窄MWD，组分优化的乙烯互聚物组合物，其制备方法和由其制备的制品

    公开(公告)号：US06683149B2

    公开(公告)日：2004-01-27

    申请号：US10247025

    申请日：2002-09-19

    申请人： Pradeep Jain ,  Lonnie G. Hazlitt ,  Jacquelyn A. deGroot ,  Kenneth W. Anderson

    发明人： Pradeep Jain ,  Lonnie G. Hazlitt ,  Jacquelyn A. deGroot ,  Kenneth W. Anderson

    IPC分类号： C08F11002

    CPC分类号： C08L23/0815 ,  C08F210/16 ,  C08L2205/02 ,  C08L2308/00 ,  C08L2314/06 ,  C08L2666/04 ,  C08F210/14 ,  C08F2500/03 ,  C08F2500/12 ,  C08F2500/26 ,  C08F2/001

    摘要： The present invention pertains to an ethylene interpolymer composition characterized as having a narrow molecular weight distribution (MWD) and optimized compositional uniformity, a process for making such a composition and a fabricated article made from such composition. The novel composition is characterized as having at least two polymer components, the first component having an ATREF peak temperature, Tpeak1 and a viscosity average molecular weight, Mv1, and the second component having an ATREF peak temperature, Tpeak2, and a viscosity average molecular, Mv2, wherein the temperature differential between Tpeak2 and Tpeak1 decreases with iincreased composition density and Mv1/Mv2 is less than or equal to 1.2. The novel composition exhibits high, balanced toughness properties, good processibility and surprisingly improved optical properties and is particularly well-suited for use in applications such as lamination films trash can liners and heavy duty shipping bags, especially as a blown film.

    摘要翻译： 本发明涉及具有窄分子量分布（MWD）和优化组合均匀性的乙烯互聚物组合物，制备这种组合物的方法和由这种组合物制成的制造制品。 该新型组合物的特征在于具有至少两种聚合物组分，第一组分具有ATREF峰温度，Tpeak1和粘均分子量Mv1，第二组分具有ATREF峰温度Tpeak2和粘均分子， Mv2，其中Tpeak2和Tpeak1之间的温差随着组合物浓度的增加而降低，Mv1 / Mv2小于或等于1.2。 该新型组合物显示出高的平衡的韧性，良好的加工性和令人惊奇的改进的光学性能，特别适用于诸如层压膜垃圾桶衬里和重型运输袋，特别是作为吹塑薄膜的应用。

    Narrow MWD, compositionally optimized ethylene interpolymer composition, process for making the same and article made therefrom
    10.
    发明授权
    Narrow MWD, compositionally optimized ethylene interpolymer composition, process for making the same and article made therefrom 有权
    窄MWD，组分优化的乙烯互聚物组合物，其制备方法和由其制备的制品

    公开(公告)号：US06469103B1

    公开(公告)日：2002-10-22

    申请号：US09156948

    申请日：1998-09-18

    申请人： Pradeep Jain ,  Lonnie G. Hazlitt ,  Jacquelyn A. deGroot ,  Kenneth W. Anderson

    发明人： Pradeep Jain ,  Lonnie G. Hazlitt ,  Jacquelyn A. deGroot ,  Kenneth W. Anderson

    IPC分类号： C08L2306

    CPC分类号： C08L23/0815 ,  C08F210/16 ,  C08L2205/02 ,  C08L2308/00 ,  C08L2314/06 ,  C08L2666/04 ,  C08F210/14 ,  C08F2500/03 ,  C08F2500/12 ,  C08F2500/26 ,  C08F2/001

    摘要： The present invention pertains to an ethylene interpolymer composition characterized as having a narrow molecular weight distribution (MWD) and optimized compositional uniformity, a process for making such a composition and a fabricated article made from such composition. The novel composition is characterized as having at least two polymer components, the first component having an ATREF peak temperature, Tpeak1 and a viscosity average molecular weight, Mv1, and the second component having an ATREF peak temperature, Tpeak2, and a viscosity average molecular, Mv2, wherein the temperature differential between Tpeak2 and Tpeak1 decreases with increased composition density and Mv1/Mv2 is less than or equal to 1.2. The novel composition is further characterized as having a Mw/Mn of less than or equal to 3.3 as determined by gel permeation chromatography, an I10/I2>6.6, and a composition density less than 0.945 gram/cubic centimeter. The novel composition exhibits high, balanced toughness properties, good processibility and surprisingly improved optical properties and is particularly well-suited for use in applications such as lamination films trash can liners and heavy duty shipping bags, especially as a blown film.

    摘要翻译： 本发明涉及具有窄分子量分布（MWD）和优化组合均匀性的乙烯互聚物组合物，制备这种组合物的方法和由这种组合物制成的制造制品。 该新型组合物的特征在于具有至少两种聚合物组分，第一组分具有ATREF峰温度，Tpeak1和粘均分子量Mv1，第二组分具有ATREF峰温度Tpeak2和粘均分子， Mv2，其中Tpeak2和Tpeak1之间的温差随着组成密度的增加而降低，Mv1 / Mv2小于或等于1.2。 该新型组合物的特征还在于通过凝胶渗透色谱法测定的Mw / Mn小于或等于3.3，I10 / I2> 6.6，组成密度小于0.945克/立方厘米。 该新型组合物显示出高的平衡的韧性，良好的加工性和令人惊奇的改进的光学性能，特别适用于诸如层压膜垃圾桶衬里和重型运输袋，特别是作为吹塑薄膜的应用。