公开(公告)号：US06465571B1

公开(公告)日：2002-10-15

申请号：US09562956

申请日：2000-05-03

申请人： Marta Drewniak ,  Jhy-Yuan Her ,  Satchit Srinivasan ,  Edward Szczepaniak

发明人： Marta Drewniak ,  Jhy-Yuan Her ,  Satchit Srinivasan ,  Edward Szczepaniak

IPC分类号： C08F25500

CPC分类号： C08L23/10 ,  C08L23/04 ,  C08L23/16 ,  C08L51/06 ,  C08L53/02 ,  C08L2666/04 ,  C08L2666/24

摘要： A polyolefin blend is presented having a propylene containing polymer as a base component, a portion of which is functionalized with a hydrophilic moiety; a toughening component of polymer selected from the group consisting of(A) a copolymer of ethylene and an alpha olefin and (B) a terpolymer of ethylene, an alpha olefin and a diene; an interfacial modifier in the form of an elastomeric block copolymer; and a filler. The functionalized portion of the propylene containing polymer is present in an amount sufficient to ensure dispersion of the filler within the semi-cystalline portion of the blend; the toughening agent is present in an amount sufficient to enhance low temperature impact properties of the blend but less than about 40 weight percent, the interfacial modifier is present in an amount sufficient to assist in adhesion between the polymer components of the blend but less than about 30 weight percent, and the filler is present in an amount sufficient to enhance blend strength and hardness but less than about 40 weight percent. Also included is an article of manufacture containing the polyolefin blend described and a method for making such an article of manufacture by molding the described polyolefin lend into the configuration and shape of the article of manufacture, and the use of such articles as automobile components.

摘要翻译： 提出了一种聚烯烃共混物，其具有含丙烯的聚合物作为基础组分，其一部分用亲水部分官能化; 选自（A）乙烯和α-烯烃的共聚物的聚合物的增韧组分和（B）乙烯，α-烯烃和二烯的三元共聚物; 弹性嵌段共聚物形式的界面改性剂; 和填料。 含丙烯聚合物的官能化部分以足以确保填料在共混物的半结晶部分内分散的量存在; 增韧剂的存在量足以提高共混物的低温冲击性能但小于约40重量％，界面改性剂的存在量足以有助于共混物的聚合物组分之间的粘合但小于约 30重量％，并且填料以足以提高共混强度和硬度但小于约40重量％的量存在。 还包括含有所述聚烯烃共混物的制品，以及制造这种制品的方法，通过将所述的聚烯烃树脂模塑成制品的构型和形状，以及使用这些制品作为汽车部件。

公开(公告)号：US06770697B2

公开(公告)日：2004-08-03

申请号：US10072536

申请日：2002-02-07

申请人： Marta Drewniak ,  Xia Zhao ,  Satchit Srinivasan

发明人： Marta Drewniak ,  Xia Zhao ,  Satchit Srinivasan

IPC分类号： C08K334

CPC分类号： C08J3/226 ,  C08J2323/02 ,  C08J2423/00 ,  C08K3/346 ,  C08L23/0815 ,  C08L23/10 ,  C08L51/06 ,  C08L2205/02 ,  C08L2205/035 ,  C08L2308/00 ,  C08L2310/00 ,  C08L2666/02 ,  C08L2666/24

摘要： The invention includes a process for preparing an improved melt-strength polyolefin blend by incorporating a polyolefin/clay nanocomposite product. The nanocomposite-modified polyolefin blend is used to form articles through processing operations that involve stretching and/or drawing, such as thermoforming, melt spinning, blow molding and foaming. The addition of the nanocomposite product to the polyolefin blend improves the sag resistance of the polyolefin and broadens the processing window of the operation.

摘要翻译： 本发明包括通过掺入聚烯烃/粘土纳米复合材料产品制备改进的熔融强度聚烯烃共混物的方法。 纳米复合改性聚烯烃共混物用于通过涉及拉伸和/或拉伸的加工操作（例如热成型，熔融纺丝，吹塑和发泡）来形成制品。 将纳米复合材料添加到聚烯烃共混物中改善了聚烯烃的抗流挂性并拓宽了操作的加工窗口。

公开(公告)号：US07740951B2

公开(公告)日：2010-06-22

申请号：US11734159

申请日：2007-04-11

申请人： Tara Thomasson ,  Kyle Davis ,  Marta Drewniak

发明人： Tara Thomasson ,  Kyle Davis ,  Marta Drewniak

IPC分类号： B32B27/32 ,  B32B27/08 ,  C08G73/02

CPC分类号： B32B7/12 ,  B32B27/30 ,  B32B27/32 ,  Y10T428/26 ,  Y10T428/31909 ,  Y10T428/31913 ,  Y10T428/31928

摘要： Multilayered structures formed from two or more polymeric layers are fabricated to obtain a single structure preferably having advantages of each of the separate layers. Polyolefin-based substrates can provide a layer with a good balance of stiffness and impact resistance, excellent processability, and relatively lower cost. Tie layers, preferably physically positioned adjacent a polyolefin-based substrate layer, facilitates adhering additional layer(s) together with the polyolefin-based substrate. Suitable tie layers generally include a multicomponent blend of at least one vinyl cyanide-containing component and at least one styrenic block copolymer component. Preferably, the additional layers include at least one acrylate-based cap layer, which can have a glossy, scratch resistance outer layer with excellent optical characteristics.

摘要翻译： 制造由两个或更多个聚合物层形成的多层结构以获得优选地具有每个单独层的优点的单一结构。 基于聚烯烃的基材可以提供刚性和耐冲击性良好的平衡层，优异的加工性能和相对较低的成本。 优选地物理地定位在聚烯烃基底层附近的粘合层有助于将附加的层与基于聚烯烃的基底粘合在一起。 合适的粘合层通常包括至少一种含乙烯基氰的组分和至少一种苯乙烯嵌段共聚物组分的多组分共混物。 优选地，附加层包括至少一个基于丙烯酸酯的覆盖层，其可以具有优异的光学特性的具有光泽的耐擦伤外层。

公开(公告)号：US20080254308A1

公开(公告)日：2008-10-16

申请号：US11734159

申请日：2007-04-11

申请人： Tara Thomasson ,  Kyle Davis ,  Marta Drewniak

发明人： Tara Thomasson ,  Kyle Davis ,  Marta Drewniak

IPC分类号： B32B27/32 ,  B32B27/08 ,  B28B3/00

CPC分类号： B32B7/12 ,  B32B27/30 ,  B32B27/32 ,  Y10T428/26 ,  Y10T428/31909 ,  Y10T428/31913 ,  Y10T428/31928

摘要： Multilayered structures formed from two or more polymeric layers are fabricated to obtain a single structure preferably having advantages of each of the separate layers. Polyolefin-based substrates can provide a layer with a good balance of stiffness and impact resistance, excellent processability, and relatively lower cost. Tie layers, preferably physically positioned adjacent a polyolefin-based substrate layer, facilitates adhering additional layer(s) together with the polyolefin-based substrate. Suitable tie layers generally include a multicomponent blend of at least one vinyl cyanide-containing component and at least one styrenic block copolymer component. Preferably, the additional layers include at least one acrylate-based cap layer, which can have a glossy, scratch resistance outer layer with excellent optical characteristics.

摘要翻译： 制造由两个或更多个聚合物层形成的多层结构以获得优选地具有每个单独层的优点的单一结构。 基于聚烯烃的基材可以提供刚性和耐冲击性良好的平衡层，优异的加工性能和相对较低的成本。 优选地物理地定位在聚烯烃基底层附近的粘合层有助于将附加的层与基于聚烯烃的基底粘合在一起。 合适的粘合层通常包括至少一种含乙烯基氰的组分和至少一种苯乙烯嵌段共聚物组分的多组分共混物。 优选地，附加层包括至少一个基于丙烯酸酯的覆盖层，其可以具有优异的光学特性的具有光泽的耐擦伤外层。

公开(公告)号：US20070155905A1

公开(公告)日：2007-07-05

申请号：US11322421

申请日：2006-01-03

申请人： Marta Drewniak ,  Tara Thomasson

发明人： Marta Drewniak ,  Tara Thomasson

IPC分类号： C08L23/04

CPC分类号： C08L23/16 ,  C08L23/10 ,  C08L25/04 ,  C08L2666/06

摘要： Thermoplastic polyolefin blends with a good stiffness/impact balance, as well as enhanced surface durability, contain semi-crystalline polypropylene resin component, a propylene-based elastomer component, and an optional but preferred styrene-based elastomer component. The propylene-based elastomer (PBE) is characterized as having at least one of a) a plurality of identifying band positions at 998 cm−1, 974 cm−1, and 733 cm−1, as measured by Fourier Transform Infrared Spectroscopy (FTIR); or one or more glass transition temperatures (Tg) from about −15° C. to −35° C., as measured by Differential Scanning Calorimetry. The surface of articles made from such a thermoplastic blend shows increased scratch resistance and a decrease in stress whitening.

摘要翻译： 具有良好刚度/冲击平衡以及增强的表面耐久性的热塑性聚烯烃共混物含有半结晶聚丙烯树脂组分，基于丙烯的弹性体组分和任选但优选的基于苯乙烯的弹性体组分。 丙烯类弹性体（PBE）的特征在于具有以下中的至少一种：a）多个识别带位置，998cm -1，974cm -1，以及 通过傅里叶变换红外光谱（FTIR）测量的733cm -1; 或通过差示扫描量热法测量的约-15℃至-35℃的一个或多个玻璃化转变温度（Tg）。 由这种热塑性共混物制成的制品的表面显示增加的耐擦伤性和应力增白的减少。