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    • 2. 发明授权
    • Mixing system comprising an extensional flow mixer
    • 包括延伸流动混合器的混合系统
    • US08876365B2
    • 2014-11-04
    • US13519152
    • 2011-01-20
    • Maria PollardSteven R. StrandDavid A. EversdykMatthias Schaefer
    • Maria PollardSteven R. StrandDavid A. EversdykMatthias Schaefer
    • B01F5/06
    • B01F5/0453B01F5/0451B01F5/0456
    • The invention provides a mixing system comprising the following: A) at least one extensional flow mixer comprising: a generally open and hollow body having a contoured outer surface and having: a single entrance port and a single exit port; a design for compressing a bulk stream, and a design for broadening the bulk stream and the at least one injected additive stream; B) a flow conductor; and C) a primary additive stream injector, as described herein; and wherein the extensional flow mixer is followed by D) a first helical static mixing element that is at least one half “flow conductor diameter (D1)” downstream of the exit port of the extensional flow mixer; and wherein the mixing system comprises at least four helical static mixing elements, placed such that the leading edge of the first helical static mixing element is located perpendicular to the main axis (major axis) of the exit port of the extensional flow mixer.
    • 本发明提供了一种混合系统,其包括以下步骤:A)至少一个延伸流动混合器,其包括:具有轮廓外表面的大体上敞开且中空的主体,具有:单个入口和单个出口; 用于压缩本体流的设计,以及用于扩大本体流和至少一个注入的添加剂流的设计; B)流动导体; 和C)如本文所述的主要添加剂流注入器; 并且其中所述延伸流动混合器之后是D)第一螺旋静态混合元件,其在所述延伸流动混合器的出口的下游具有至少一半“流动导体直径(D1)”)。 并且其中所述混合系统包括至少四个螺旋形静态混合元件,其被布置成使得所述第一螺旋状静态混合元件的前缘位于垂直于所述延伸流动混合器的出口的主轴线(长轴)的位置。
    • 5. 发明申请
    • MIXING SYSTEM COMPRISING AN EXTENSIONAL FLOW MIXER
    • 包含扩展流量混合器的混合系统
    • US20120287744A1
    • 2012-11-15
    • US13519152
    • 2011-01-20
    • Maria PollardSteven R. StrandDavid A. EversdykMatthias Schaefer
    • Maria PollardSteven R. StrandDavid A. EversdykMatthias Schaefer
    • B01F5/06B01F15/02
    • B01F5/0453B01F5/0451B01F5/0456
    • The invention provides a mixing system comprising the following: A) at least one extensional flow mixer comprising: a generally open and hollow body having a contoured outer surface and having: a single entrance port and a single exit port; a means for compressing a bulk stream flowing through the generally open and hollow body in a direction of flow, and at least one injected additive stream introduced at the single entrance port in the direction of flow; and a means for broadening the bulk stream and the at least one injected additive stream, such that an interfacial area between the bulk stream and the at least one injected additive stream is increased as the bulk stream and the at least one injected additive stream flow through the generally open and hollow body in the direction of flow to promote mixing of the bulk stream and the at least one injected additive stream; B) a flow conductor having an axis and having a generally open and hollow flow mixer body cured therein; and C) a primary additive stream injector positioned at the entrance port of the generally open and hollow flow mixer body, wherein the primary additive stream injector injects an additive stream into the interior of the flow mixer in the direction of flow, when the bulk stream is flowing through the generally open and hollow flow mixer body, to allow for compression and broadening of the bulk stream and the additive stream together within the extensional flow mixer, to facilitate mixing of the bulk stream and the primary additive stream at an exit of the extensional flow mixer; and wherein the extensional flow mixer is followed by D) at least one helical static mixing element that is at least one half “flow conductor diameter (D1)” downstream of the exit of the extensional flow mixer.
    • 本发明提供了一种混合系统,其包括以下步骤:A)至少一个延伸流动混合器,其包括:具有轮廓外表面的大体上敞开且中空的主体,具有:单个入口和单个出口; 用于沿着流动方向压缩流过所述大体上敞开的中空体的主体流和在所述单个入口处沿流动方向引入的至少一个注入的添加剂流的装置; 以及用于使本体流和至少一个注入的添加剂流扩宽的手段,使得当本体流和至少一个注入的添加剂流流过时,本体流和至少一个注入的添加剂流之间的界面面积增加 所述大体上敞开的空心体在所述流动方向上以促进所述主体流和所述至少一个注入的添加剂流的混合; B)具有轴线并具有固化在其中的大致开放且中空的流动混合器主体的流动导体; 以及C)位于所述大体上敞开的中空流动混合器主体的入口处的主要添加剂流注入器,其中所述主要添加剂流注入器在所述主流体流中将添加剂流沿所述流动方向注入所述流动混合器的内部 流过通常敞开的中空流动混合器主体,以允许在延伸流动混合器内将本体流和添加剂流压缩和变宽在一起,以促进本体流和初级添加剂流在 拉伸流动混合器; 并且其中所述拉伸流动混合器之后是D)至少一个螺旋形静态混合元件,其在所述拉伸流动混合器的出口下游具有至少一个半流动导体直径(D1)。
    • 8. 发明申请
    • THICK BLOWN FILMS
    • 厚薄膜
    • US20130022804A1
    • 2013-01-24
    • US13515828
    • 2011-01-11
    • Nicolas MazzolaJorge GomesMaria PollardMichael Turner
    • Nicolas MazzolaJorge GomesMaria PollardMichael Turner
    • C08L23/06
    • C08L23/0815C08F8/30C08F110/02C08J5/18C08J2323/36C08K5/3435C08L2205/025Y10T428/139C08L23/36C08L2023/44C08L2666/04C08F2500/03C08F2500/11C08F2500/12C08F2500/17
    • The present invention is a film having a thickness greater than 100 microns comprising from 10 to 100 percent by weight of a polyethylene polymer made by the process of a) selecting a target polyethylene resin having a density, as determined according to ASTM D792, in the range of from 0.90 g/cm3 to 0.955 g/cm3, and a melt index, as determined according to ASTM D1238(2.16 kg, 190 C), in the range of from 0.01 g/10 min to 10 g/10 min; b) reacting said target polyethylene with an alkoxy amine derivative in an amount less than 900 parts derivative per million parts by weight of total polyethylene resin under conditions sufficient to increase the melt strength of the target polyethylene resin; and c) forming a thick film from the modified target resin. The present films include those which can achieve similar processability as those containing unmodified linear polyethylene despite having at least 10% less LDPE resins in the formulation.
    • 本发明是一种厚度大于100微米的薄膜,其包含10-100%重量的聚乙烯聚合物,该聚乙烯聚合物是通过以下方法制备的:a)选择具有根据ASTM D792测定的密度的目标聚乙烯树脂 范围为0.90g / cm 3至0.955g / cm 3,根据ASTM D1238(2.16kg,190℃)测定的熔体指数为0.01g / 10min至10g / 10min; b)在足以增加目标聚乙烯树脂的熔体强度的条件下,使所述目标聚乙烯与总聚乙烯树脂的百万分之一重量份衍生物的量小于900份的衍生物反应所述目标聚乙烯; 和c)从改性目标树脂形成厚膜。 本发明的膜包括那些可以实现与含有未改性的线性聚乙烯相似的加工性的那些,尽管配方中LDPE树脂的含量至少降低10%。