公开(公告)号：US20080237914A1

公开(公告)日：2008-10-02

申请号：US12079340

申请日：2008-03-26

Applicant: Arnold Lustiger ,  Jennifer Harting Ward ,  Patrick Bormann ,  David Jon Starz ,  Alan J. Oshinski

Inventor： Arnold Lustiger ,  Jennifer Harting Ward ,  Patrick Bormann ,  David Jon Starz ,  Alan J. Oshinski

IPC: B29B9/06 ,  B29C47/60

CPC classification number: C08F255/02 ,  B29C48/39 ,  B29C48/535 ,  B29C48/57 ,  C08J3/201 ,  C08J5/046 ,  C08J5/047 ,  C08J2323/10 ,  C08K3/01 ,  C08K5/00 ,  C08L23/10 ,  C08L23/12 ,  C08L33/20 ,  C08L51/06 ,  C08L67/00 ,  C08L2205/16 ,  C08L2666/20 ,  C08L2666/06 ,  C08L2666/02 ,  C08L2666/18 ,  C08L2666/14 ,  C08L2666/04

Abstract: The present disclosure is directed generally to methods for making fiber reinforced polypropylene composite pellets using pre-cut fiber fed to a compounding extruder by improved fiber feeder systems. One form of the method includes feeding into a compounding extruder at least 25 wt % polypropylene based polymer, from 5 to 60 wt % pre-cut organic fiber, and from 0 to 60 wt % inorganic filler; and extruding, cooling and pelletizing the resultant mixture of components to form fiber reinforced polypropylene composite pellets; wherein the pre-cut organic fiber is fed from a feeder including a feeder hopper, one or more conditioning augers/agitators, one or more metering augers below the feeder hopper, and a means for controlling the speed of the conditioning augers/agitators and metering augers; and wherein an article molded from the pellets has a flexural modulus of at least 2.07 GPa and exhibits ductility during instrumented impact testing. In another form, the feeder includes a feeder hopper, two or more counter-rotating metering rollers, one or more separating rollers below the metering rollers, and a means for controlling the speed of the metering rollers and separating rollers. In yet another form, a circle feeder may be used to feed the pre-cut fiber.

Abstract translation: 本公开一般涉及使用通过改进的纤维馈送系统进料到配混挤出机的预切纤维来制备纤维增强聚丙烯复合颗粒的方法。 该方法的一种形式包括将至少25重量％的聚丙烯基聚合物，5至60重量％的预切割有机纤维和0至60重量％的无机填料进料到配混挤出机中; 挤出，冷却和造粒所得的组分混合物以形成纤维增强聚丙烯复合颗粒; 其中预切的有机纤维从包括进料器料斗，一个或多个调理螺旋推运器/搅拌器，在进料斗下方的一个或多个计量螺旋推运器的进料器进给，以及用于控制调节螺旋推料器/搅拌器和计量的速度的装置 螺旋钻 并且其中由颗粒模制的制品具有至少2.07GPa的弯曲模量并且在仪表式冲击试验期间具有延展性。 在另一种形式中，进料器包括进料斗，两个或多个反向旋转计量辊，计量辊下方的一个或多个分离辊，以及用于控制计量辊和分离辊的速度的装置。 在另一种形式中，可以使用圆形进给器来进给预切割的纤维。

公开(公告)号：US07396881B2

公开(公告)日：2008-07-08

申请号：US11186443

申请日：2005-07-21

Applicant: Arnold Lustiger ,  David John Lohse ,  Blair A. Graham ,  Ronald Cooke

Inventor： Arnold Lustiger ,  David John Lohse ,  Blair A. Graham ,  Ronald Cooke

IPC: C08L23/04 ,  B28B1/28

CPC classification number: B29C41/04 ,  B29C41/003 ,  C08L23/06 ,  C08L23/08 ,  C08L23/0815 ,  C08L2205/02 ,  C08L2314/02 ,  C08L2666/06

Abstract: Polyethylene blend compositions suitable for rotomolding, rotomolded articles, and processes for rotomolding articles are provided. The polyethylene compositions include a first polyethylene having a melt index of 0.4 to 3.0 g/10 min and a density of from 0.910 to 0.930 g/cm3; and a second polyethylene having a melt index of 10 to 30 g/10 min and a density of 0.945 to 0.975 g/cm3. The composition has a density of from 0.930 to 0.955 g/cm3 and a melt index of 1.5 to 12 g/10 min, and the first and second polyethylenes differ in density by from 0.030 to 0.048 g/cm3. These compositions exhibit improved physical properties, such as Environmental Stress Crack Resistance and Izod Impact Strength. Articles produced from the compositions may also exhibit improved impact resistance properties, enhanced ductile break properties, and improved deflection resistance, which represents a combination of creep and fatigue resistance.

Abstract translation: 提供适合于滚塑的聚乙烯共混组合物，滚塑制品和滚塑制品的方法。 聚乙烯组合物包括熔体指数为0.4-3.0g / 10min，密度为0.910-0.930g / cm 3的第一聚乙烯; 和熔体指数为10〜30g / 10min，密度为0.945〜0.975g / cm 3的第二聚乙烯。 该组合物的密度为0.930至0.955g / cm 3，熔体指数为1.5至12g / 10min，第一和第二聚乙烯的密度在0.030至0.048g / cm 3。 这些组合物表现出改善的物理性能，例如环境应力开裂抗力和艾佐德冲击强度。 由组合物制备的制品也可以表现出改进的抗冲击性能，增强的延性断裂性能和改进的抗挠曲性，其代表蠕变和抗疲劳性的组合。

公开(公告)号：US20060264557A1

公开(公告)日：2006-11-23

申请号：US11435578

申请日：2006-05-17

Applicant: Arnold Lustiger ,  Jeffrey Valentage

Inventor： Arnold Lustiger ,  Jeffrey Valentage

IPC: C08K3/34

CPC classification number: C08K3/34 ,  B29C45/0005 ,  B29C45/542 ,  B29C2045/466

Abstract: The present invention is directed to an in-line compounding and molding process for making fiber reinforced polypropylene composite parts and articles that exhibit beneficial mechanical and aesthetic properties imparted by such process and compositions. The in-line compounding and molding process includes the steps of providing an in-line compounding and molding machine comprising a twin screw extruder fluidly coupled to an injection molder; extrusion compounding in the twin screw extruder a composition comprising at least 30 wt % polypropylene, from 10 to 60 wt % organic fiber, from 0 to 40 wt % inorganic filler, and from 0 to 0.1 wt % lubricant to form a melt extrudate; conveying the melt extrudate to the injection molder; and molding the melt extrudate in the injection molder to form a part or article. Fiber reinforced polypropylene articles formed from the in-line compounding and molding process have flexural modulus of at least 300,000 psi and exhibit ductility during instrumented impact testing. Fiber reinforced polypropylene articles formed from the process of the present invention are particularly suitable for making household appliances, automotive parts, and boat hulls.

Abstract translation: 本发明涉及用于制造纤维增强聚丙烯复合材料部件和制品的在线复合和模塑方法，其表现出由这种方法和组合物赋予的有益的机械和美学特性。 在线复合和模制方法包括提供在线复合和成型机的步骤，该机器包括流体耦合到注射成型机的双螺杆挤出机; 在双螺杆挤出机中挤出配混组合物，其包含至少30重量％的聚丙烯，10至60重量％的有机纤维，0至40重量％的无机填料和0至0.1重量％的润滑剂，以形成熔体挤出物; 将熔融挤出物输送到注射成型机; 并在注射成型机中模制熔融挤出物以形成部分或制品。 由在线复合和模制工艺形成的纤维增强聚丙烯制品具有至少300,000psi的弯曲模量，并且在仪表化冲击试验期间具有延展性。 由本发明的方法形成的纤维增强聚丙烯制品特别适用于制造家用电器，汽车部件和船体。

公开(公告)号：US6153703A

公开(公告)日：2000-11-28

申请号：US698616

申请日：1996-08-16

Applicant: Arnold Lustiger ,  Avinash C. Gadkari

Inventor： Arnold Lustiger ,  Avinash C. Gadkari

IPC: C08L23/10 ,  C08L53/00 ,  C08L23/12 ,  C08L23/14

CPC classification number: C08L23/10 ,  C08L2205/04 ,  C08L53/00

Abstract: This invention relates to a semicrystalline polymer composition with reinforced spherulite boundaries and interlamellar strength, comprising a major amount of a first semicrystalline polymer and a minor amount of a second semicrystalline homopolymer or a semicrystalline copolymer and a process of making the same.

Abstract translation: 本发明涉及具有增强球晶边界和层间强度的半结晶聚合物组合物，其包含主要量的第一半结晶聚合物和少量第二半结晶均聚物或半结晶共聚物及其制备方法。

公开(公告)号：US5627226A

公开(公告)日：1997-05-06

申请号：US552714

申请日：1995-11-03

Applicant: Arnold Lustiger ,  Cary N. Marzinsky ,  Yann Devorest

Inventor： Arnold Lustiger ,  Cary N. Marzinsky ,  Yann Devorest

IPC: C08K5/3437 ,  C08K7/02 ,  C08K5/34

CPC classification number: C08K5/3437 ,  C08K7/02

Abstract: A composite is provided having improved toughness without reduction in stiffness comprising a polymer matrix having fibers embedded therein wherein the polymer of the matrix is substantially beta polypropylene or a beta polypropylene-olefin copolymer. The composite is made by combining a nucleating agent with a polymer composition selected from the group consisting of alpha polypropylene, an alpha polypropylene-olefin copolymer, alpha polypropylene containing fibers therein and an alpha polypropylene-olefin copolymer having fibers therein, and when the polymer is polypropylene or polypropylene-olefin copolymer, also independently adding fiber to the polymer or copolymer and thereafter inducing nucleation whereby a composite of improved stiffness with no reduction in toughness is formed.

Abstract translation: 提供了具有改善的韧性而不降低刚度的复合材料，其包含嵌入其中的纤维的聚合物基质，其中基质的聚合物基本上为β聚丙烯或β-聚丙烯 - 烯烃共聚物。 复合材料通过将成核剂与选自α-聚丙烯，α-聚丙烯 - 烯烃共聚物，含有纤维的α-聚丙烯和其中具有纤维的α-聚丙烯 - 烯烃共聚物的聚合物组合物组合而制成，并且当聚合物为 聚丙烯或聚丙烯 - 烯烃共聚物，也独立地将纤维加入到聚合物或共聚物中，然后诱导成核，由此形成刚性提高且韧性降低的复合材料。

公开(公告)号：US5288555A

公开(公告)日：1994-02-22

申请号：US846642

申请日：1992-03-05

Applicant: Liza M. Monette ,  Arnold Lustiger ,  Michael P. Anderson ,  John P. Dismukes ,  H. Daniel Wagner ,  Cary N. Marzinsky ,  Russell R. Mueller

Inventor： Liza M. Monette ,  Arnold Lustiger ,  Michael P. Anderson ,  John P. Dismukes ,  H. Daniel Wagner ,  Cary N. Marzinsky ,  Russell R. Mueller

IPC: B29C70/10 ,  B29C70/04 ,  B29C70/06 ,  B32B5/02 ,  D02G3/06

CPC classification number: B29C70/04 ,  B29C70/06 ,  Y10T428/2933 ,  Y10T428/2938 ,  Y10T428/294 ,  Y10T428/2969 ,  Y10T428/2973 ,  Y10T428/298

Abstract: A composite having fibers of relatively high elastic modulus embedded in a matrix of relatively low elastic modulus is provided with an interphase of elastic modulus less than the matrix modulus and cohesive energy higher than the matrix cohesive energy. The resulting composite has enhanced strength and toughness.

Abstract translation: 具有嵌入在相对低弹性模量的基体中的具有相对高的弹性模量的纤维的复合材料具有比基体内聚能高的基体模量和内聚能的弹性模量的相间。 所得复合材料具有增强的强度和韧性。

公开(公告)号：US20130211009A1

公开(公告)日：2013-08-15

申请号：US13584284

申请日：2012-08-13

Applicant: Yong YANG ,  Pradeep P. Shirodkar ,  Jianya Cheng ,  Andy H. Tsou ,  Arnold Lustiger ,  Johannes M. Soulages

Inventor： Yong YANG ,  Pradeep P. Shirodkar ,  Jianya Cheng ,  Andy H. Tsou ,  Arnold Lustiger ,  Johannes M. Soulages

IPC: C08L23/24

CPC classification number: C08L23/24 ,  C08L23/0815 ,  C08F210/00 ,  C08F4/80 ,  C08F210/16 ,  C08F210/14 ,  C08F2500/04 ,  C08F2500/09 ,  C08F2500/26 ,  C08L101/005 ,  C08F2222/1026

Abstract: The present invention relates to polyethylene compositions comprising one or more ethylene polymers and one or more dendritic hydrocarbon polymer modifiers, in particular, this invention further relates to polyethylene blends comprising one or more ethylene polymers and one or more dendritic hydrocarbon polymer modifiers, wherein the modifier has: 1) a g′vis value less than 0.75; 2) at least 0.6 ppm ester groups as determined by 1H NMR; 3) a Tm of 100° C. or more; 4) an Mw of 50,000 g/mol or more, as determined by GPC; 5) an average number of carbon atoms between branch points of 70 or more as determined by 1H NMR.

Abstract translation: 本发明涉及包含一种或多种乙烯聚合物和一种或多种树枝状烃聚合物改性剂的聚乙烯组合物，特别地，本发明还涉及包含一种或多种乙烯聚合物和一种或多种树枝状烃聚合物改性剂的聚乙烯共混物，其中改性剂 具有：1）g'vis值小于0.75; 2）通过1 H NMR测定的至少0.6ppm的酯基; 3）Tm为100℃以上; 4）通过GPC测定的Mw为50,000g / mol以上的Mw; 5）通过1 H NMR测定的分支点之间的平均碳原子数为70以上。

公开(公告)号：US07307126B2

公开(公告)日：2007-12-11

申请号：US11078320

申请日：2005-03-14

Applicant: Arnold Lustiger ,  David J. Lohse ,  Blair A. Graham

Inventor： Arnold Lustiger ,  David J. Lohse ,  Blair A. Graham

IPC: C08L23/04 ,  C08L23/06

CPC classification number: C08L23/0815 ,  C08L2205/02 ,  C08L2205/025 ,  C08L2314/06 ,  Y10T428/1352 ,  Y10T428/1386 ,  Y10T428/31938 ,  C08L2666/06

Abstract: Polyethylene blend compositions suitable for rotomolding, rotomolded articles, and processes for rotomolding articles are provided. The polyethylene compositions include a first polyethylene having a melt index of 0.4 to 3.0 g/10 min and a density of from 0.910 to 0.930 g/cm3; and a second polyethylene having a melt index of 10 to 30 g/10 min and a density of 0.945 to 0.975 g/cm3. The composition has a density of from 0.930 to 0.955 g/cm3 and a melt index of 1.5 to 12 g/10 min, and the first and second polyethylenes differ in density by from 0.030 to 0.048 g/cm3. These compositions exhibit improved physical properties, such as Environmental Stress Crack Resistance and Izod Impact Strength.

Abstract translation: 提供适合于滚塑的聚乙烯共混组合物，滚塑制品和滚塑制品的方法。 聚乙烯组合物包括熔体指数为0.4-3.0g / 10min，密度为0.910-0.930g / cm 3的第一聚乙烯; 和熔体指数为10〜30g / 10min，密度为0.945〜0.975g / cm 3的第二聚乙烯。 该组合物的密度为0.930至0.955g / cm 3，熔体指数为1.5至12g / 10min，第一和第二聚乙烯的密度在0.030至0.048g / cm 3。 这些组合物表现出改善的物理性能，例如环境应力开裂抗力和艾佐德冲击强度。

公开(公告)号：US20060264556A1

公开(公告)日：2006-11-23

申请号：US11387502

申请日：2006-03-23

Applicant: Arnold Lustiger ,  Jeffrey Valentage

Inventor： Arnold Lustiger ,  Jeffrey Valentage

IPC: C08K3/34

CPC classification number: C08L23/10 ,  B62D29/043 ,  C08J5/046 ,  C08J2323/10 ,  C08L23/16 ,  C08L51/06 ,  C08L67/00 ,  C08L77/00 ,  C08L2205/16 ,  C08L2666/02 ,  C08L2666/18 ,  C08L2666/08 ,  C08L2666/20

Abstract: A fiber reinforced polypropylene composite vehicle body panel. The vehicle body panel includes a substrate molded from a composition comprising at least 30 wt % polypropylene based resin, from 10 to 60 wt % organic fiber, from 0 to 40 wt % inorganic filler, and optionally lubricant (typically present at from 0 to 0.1 wt %), based on the total weight of the composition, the substrate having an outer surface and an underside surface. A process for producing a body panel for a vehicle is also provided. The process includes the step of molding a composition to form the body panel for a vehicle, the body panel having at least an outer surface and an underside surface, wherein the composition comprises at least 30 wt % polypropylene, from 10 to 60 wt % organic fiber, from 0 to 40 wt % inorganic filler, and optionally lubricant (typically present at from 0 to 0.1 wt %), based on the total weight of the composition.

Abstract translation: 一种纤维增强聚丙烯复合车体面板。 车体面板包括由包含至少30重量％聚丙烯基树脂，10至60重量％有机纤维，0至40重量％无机填料和任选的润滑剂（通常以0至0.1存在）的组合物模制的基材 重量％），基于组合物的总重量，基材具有外表面和下表面。 还提供了一种用于车辆的车身面板的制造方法。 该方法包括模制组合物以形成用于车辆的车身面板的步骤，车身面板至少具有外表面和下表面，其中所述组合物包含至少30重量％的聚丙烯，10至60重量％的有机物 纤维，0至40重量％的无机填料，以及任选的润滑剂（通常以0至0.1重量％存在），基于组合物的总重量。

公开(公告)号：US20060264555A1

公开(公告)日：2006-11-23

申请号：US11387496

申请日：2006-03-23

Applicant: Arnold Lustiger ,  Jeffrey Valentage

Inventor： Arnold Lustiger ,  Jeffrey Valentage

IPC: C08K3/34

CPC classification number: C08L23/10 ,  B29C45/0005 ,  B29C2045/466 ,  B29K2023/12 ,  B29L2031/3011 ,  B60R13/02 ,  C08J5/046 ,  C08J2323/10 ,  C08L67/00 ,  C08L77/00 ,  C08L2205/16 ,  C08L2666/04 ,  C08L2666/06 ,  C08L2666/18 ,  C08L2666/20

Abstract: A fiber reinforced polypropylene composite interior trim cover panel. The interior trim cover panel is molded from a composition comprising at least 30 wt % polypropylene based resin, from 10 to 60 wt % organic fiber, from 0 to 40 wt % inorganic filler, and optionally from 0 to 0.1 wt % lubricant, based on the total weight of the composition, the interior trim cover panel having an outer surface and an underside surface. A process for producing an interior trim cover panel for a vehicle is also provided. The process includes the step of injection molding a composition to form the interior trim cover panel for a vehicle, the interior trim cover panel having at least an outer surface and an underside surface, wherein the composition comprises at least 30 wt % polypropylene, from 10 to 60 wt % organic fiber, from 0 to 40 wt % inorganic filler, and optionally from 0 to 0.1 wt % lubricant, based on the total weight of the composition.

Abstract translation: 纤维增强聚丙烯复合内饰面板。 内装饰面板由包含至少30重量％聚丙烯基树脂，10至60重量％有机纤维，0至40重量％无机填料和任选0至0.1重量％润滑剂的组合物成型，基于 组合物的总重量，内部装饰盖板具有外表面和下表面。 还提供了一种用于制造用于车辆的内饰物盖板的方法。 该方法包括注射成型组合物以形成用于车辆的内部装饰盖板的步骤，内部装饰罩板具有至少外表面和下表面，其中该组合物包含至少30重量％的聚丙烯，10重量％ 至60重量％的有机纤维，0至40重量％的无机填料和任选的0至0.1重量％的润滑剂，基于组合物的总重量。