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公开(公告)号：US5288555A
公开(公告)日：1994-02-22
申请号：US846642
申请日：1992-03-05
申请人： Liza M. Monette , Arnold Lustiger , Michael P. Anderson , John P. Dismukes , H. Daniel Wagner , Cary N. Marzinsky , Russell R. Mueller
发明人： Liza M. Monette , Arnold Lustiger , Michael P. Anderson , John P. Dismukes , H. Daniel Wagner , Cary N. Marzinsky , Russell R. Mueller
CPC分类号： B29C70/04 , B29C70/06 , Y10T428/2933 , Y10T428/2938 , Y10T428/294 , Y10T428/2969 , Y10T428/2973 , Y10T428/298
摘要： 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.
摘要翻译： 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。
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公开(公告)号：US06284372B1
公开(公告)日：2001-09-04
申请号：US08198808
申请日：1994-02-18
申请人： Liza M. Monette , Arnold Lustiger , Michael P. Anderson , John P. Dismukes , H. Daniel Wagner , Cary N. Marzinsky , Russell R. Mueller
发明人： Liza M. Monette , Arnold Lustiger , Michael P. Anderson , John P. Dismukes , H. Daniel Wagner , Cary N. Marzinsky , Russell R. Mueller
IPC分类号： D02G300
CPC分类号： B29C70/04 , B29C70/06 , Y10T428/2933 , Y10T428/2938 , Y10T428/294 , Y10T428/2969 , Y10T428/2973 , Y10T428/298
摘要： 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.
摘要翻译： 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。
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公开(公告)号：US5627226A
公开(公告)日：1997-05-06
申请号：US552714
申请日：1995-11-03
IPC分类号： C08K5/3437 , C08K7/02 , C08K5/34
CPC分类号： C08K5/3437 , C08K7/02
摘要： 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.
摘要翻译： 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。
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4.发明授权Fiber pellets method of making, and use in making fiber reinforced polypropylene composites 有权纤维颗粒制造方法，用于制造纤维增强聚丙烯复合材料公开(公告)号：US08211341B2
公开(公告)日：2012-07-03
申请号：US12291897
申请日：2008-11-14
申请人： Arnold Lustiger
发明人： Arnold Lustiger
CPC分类号： C08L23/02 , B29B9/06 , B29B9/14 , B29K2023/12 , C08J5/046 , C08J2323/12 , C08L23/04 , C08L23/10 , C08L23/16 , C08L23/20 , C08L33/20 , C08L67/02 , C08L77/00 , C08L91/06 , C08L2203/12 , Y10T428/2913 , Y10T428/2964 , Y10T428/2967 , Y10T428/298 , C08L2666/06 , C08L2666/02
摘要： The present disclosure is directed generally to synthetic organic fiber pellets, methods for making such pellets, and methods of using such pellets for making fiber reinforced polypropylene composite resins. The synthetic organic fiber pellets include at least 80 wt % of a synthetic organic fiber chosen from polyalkylene terephthalates, polyalkylene naphthalates, polyamides, polyolefins, polyacrylonitrile, and combinations thereof, and from 2 to 20 wt % of one or more waxes. The synthetic organic fiber pellets are produced using a pelleting press process. Also provided is a method for making fiber reinforced polypropylene composite pellets including feeding into a compounding extruder at least 25 wt % polypropylene based polymer, from 5 to 60 wt % of synthetic organic fiber in the form of the synthetic organic fiber pellets, and from 0 to 60 wt % inorganic filler; extruding the polypropylene based resin, the fiber pellets, and the inorganic filler through the compounding extruder to form a fiber reinforced polypropylene composite melt; cooling the fiber reinforced polypropylene composite melt to form a solid fiber reinforced polypropylene composite; and pelletizing the solid fiber reinforced polypropylene composite to form fiber reinforced polypropylene composite pellets; wherein an article molded from the composite pellets has a flexural modulus of at least 2.07 GPa and exhibits ductility during instrumented impact testing. Articles molded from the fiber reinforced polypropylene composite pellets find application as automotive parts, household appliance parts, or boat hulls.
摘要翻译： 本公开一般涉及合成有机纤维颗粒，制备这种颗粒的方法，以及使用这种颗粒制造纤维增强聚丙烯复合树脂的方法。 合成有机纤维颗粒包括选自聚对苯二甲酸亚烷基酯，聚萘二甲酸亚烷基酯，聚酰胺，聚烯烃，聚丙烯腈及其组合的合成有机纤维的至少80重量％，以及2-20重量％的一种或多种蜡。 合成有机纤维颗粒使用造粒机制造。 还提供了一种制造纤维增强聚丙烯复合颗粒的方法，其包括将合成有机纤维颗粒形式的至少25重量％的聚丙烯基聚合物，5至60重量％的合成有机纤维和0 至60重量％的无机填料; 通过配混挤出机挤出聚丙烯基树脂，纤维颗粒和无机填料，以形成纤维增强聚丙烯复合材料; 冷却纤维增强聚丙烯复合材料，形成固体纤维增强聚丙烯复合材料; 并将固体纤维增强聚丙烯复合材料造粒，形成纤维增强聚丙烯复合颗粒; 其中由所述复合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。 由纤维增强聚丙烯复合颗粒成型的制品可用作汽车零件，家用电器零件或船体。
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公开(公告)号：US07943700B2
公开(公告)日：2011-05-17
申请号：US11445090
申请日：2006-06-01
申请人： Donna Jean Crowther , Stanley J. Katzen , Zerong Lin , Arnold Lustiger , Jeanne Marie MacDonald , Thomas T. Sun
发明人： Donna Jean Crowther , Stanley J. Katzen , Zerong Lin , Arnold Lustiger , Jeanne Marie MacDonald , Thomas T. Sun
IPC分类号： C08L23/00 , C08L23/04 , C08F110/02
CPC分类号： C08L23/04 , C08L23/06 , C08L23/08 , C08L23/0807 , C08L2205/02 , C08L2314/06 , C08L2666/06
摘要： Disclosed are polyethylene (“PE”) compositions, articles comprising PE compositions, and methods of making blended PE compositions, wherein the blended composition comprises from about 80 to about 95 weight % of a first PE and from about 5 to about 20 weight % of a second PE. The first PE has a density greater than or equal to about 0.945 g/cc and a MWD greater than about 5. The second PE has a density less than about 0.945 g/cc, a melt index less than about 0.70 g/10 minutes and less than or equal to the melt index of the first PE, a MWD ranging from about 1 to about 5, a weight average molecular weight less than about 400,000, and a CDBI greater than about 50%. The PE composition has an ESCR greater than the ESCR of the first PE.
摘要翻译： 公开了聚乙烯（“PE”）组合物，包含PE组合物的制品和制备混合PE组合物的方法，其中所述共混组合物包含约80至约95重量％的第一PE和约5至约20重量％的 第二个PE。 第一PE具有大于或等于约0.945g / cc的密度和大于约5的MWD。第二PE具有小于约0.945g / cc的密度，小于约0.70g / 10分钟的熔体指数，以及 小于或等于第一PE的熔融指数，MWD为约1至约5，重均分子量小于约400,000，CDBI大于约50％。 PE组合物具有大于第一PE的ESCR的ESCR。
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公开(公告)号：US20080217961A1
公开(公告)日：2008-09-11
申请号：US12074594
申请日：2008-03-05
申请人： Arnold Lustiger , Jeffrey Valentage
发明人： Arnold Lustiger , Jeffrey Valentage
CPC分类号： B62D25/084 , B62D29/04 , Y10T29/49622
摘要： A fiber reinforced polypropylene composite front end module. The front end module includes a radiator mounting frame 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 from 0 to 0.1 wt % lubricant, based on the total weight of the composition, the radiator mounting frame having at least a first side and a second side. A process for producing a front end module is also provided. The process includes the step of injection molding a composition to form the front end module, the front end module having a radiator mounting frame having at least a first side and a second side, wherein the composition comprises 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, based on the total weight of the composition.
摘要翻译： 纤维增强聚丙烯复合前端模块。 前端模块包括由包含至少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0至0.1重量％润滑剂的组合物模制的散热器安装框架， 基于组合物的总重量，散热器安装框架具有至少第一侧和第二侧。 还提供了一种用于制造前端模块的工艺。 该方法包括注射成型组合物以形成前端模块的步骤，前端模块具有至少具有第一侧和第二侧的散热器安装框架，其中所述组合物包含至少30重量％的聚丙烯，10 至60重量％的有机纤维，0至40重量％的无机填料和0至0.1重量％的润滑剂，基于组合物的总重量。
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公开(公告)号：US07396878B2
公开(公告)日：2008-07-08
申请号：US11186185
申请日：2005-07-21
CPC分类号： C08L23/06 , C08L23/08 , C08L23/0815 , C08L2205/02 , C08L2314/02 , C08L2666/06
摘要： Polyethylene blend compositions suitable for injection molding, injection molded articles, and processes for injection molding articles are provided. The polyethylene compositions include a first polyethylene having a melt index of 0.1 to 3.0 g/10 min and a density of from 0.905 to 0.938 g/cm3; and a second polyethylene having a melt index of 10 to 500 g/10 min and a density of 0.945 to 0.975 g/cm3. The compositions have a density of from 0.920 to 0.973 g/cm3 and a melt index of 2 to 200 g/10 min, and the density of the second polyethylene is from 0.037 to 0.062 g/cm3 greater than the density of the first polyethylene. The compositions exhibit improved physical properties, such as Environmental Stress Crack Resistance, relative to conventional compositions of similar melt index and density. In certain embodiments, the compositions, and articles produced therefrom, also exhibit an improved balance of toughness properties and processability properties.
摘要翻译： 提供适用于注射成型的聚乙烯共混组合物，注模制品和注射成型制品的方法。 聚乙烯组合物包括熔体指数为0.1至3.0g / 10min，密度为0.905至0.938g / cm 3的第一聚乙烯; 和熔体指数为10〜500g / 10min，密度为0.945〜0.975g / cm 3的第二聚乙烯。 组合物的密度为0.920至0.973g / cm 3，熔体指数为2至200g / 10min，第二聚乙烯的密度为0.037至0.062g / SUP> 3 大于第一聚乙烯的密度。 相对于具有类似熔体指数和密度的常规组合物，组合物表现出改善的物理性能，例如环境应力开裂性。 在某些实施方案中，组合物和由其制备的制品也显示出韧性和加工性能的改善的平衡。
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公开(公告)号：US20080081862A1
公开(公告)日：2008-04-03
申请号：US11542521
申请日：2006-10-03
IPC分类号： C08K3/26
CPC分类号： C08L25/06 , C08K3/013 , C08L67/02 , C08L2666/14
摘要： The present invention is directed generally to fiber reinforced polystyrene compositions, and the beneficial mechanical properties imparted by such compositions. The fiber reinforced polystyrene compositions include from 5 to 50 wt % organic fiber, and from 0 to 60 wt % inorganic filler in a matrix of an atactic polystyrene based polymer. Lubricant may also be optionally incorporated into the composition to assist with fiber pullout. Colored fiber may also be optionally incorporated into the composition to yield an article with a cloth-like appearance. Articles molded from these fiber reinforced polystyrene compositions have a flexural modulus of at least 350,000 psi, and exhibit ductility during instrumented impact testing. The fiber reinforced polystyrene compositions are suitable for making molded articles including, but not limited to, household appliances, automotive parts, and boat hulls.
摘要翻译： 本发明一般涉及纤维增强聚苯乙烯组合物，以及这些组合物赋予的有益的机械性能。 纤维增强聚苯乙烯组合物包含5至50重量％的有机纤维和0至60重量％的无规聚苯乙烯基聚合物基质中的无机填料。 还可以任选地将润滑剂并入组合物中以辅助纤维拉出。 有色纤维也可以任选地并入到组合物中以产生具有布样外观的制品。 由这些纤维增强聚苯乙烯组合物成型的制品具有至少350,000psi的弯曲模量，并且在仪表化冲击试验期间具有延展性。 纤维增强聚苯乙烯组合物适用于制造模制品，包括但不限于家用电器，汽车部件和船体。
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公开(公告)号：US20050256266A1
公开(公告)日：2005-11-17
申请号：US11186443
申请日：2005-07-21
申请人： Arnold Lustiger , David Lohse , Blair Graham , Ronald Cooke
发明人： Arnold Lustiger , David Lohse , Blair Graham , Ronald Cooke
CPC分类号： B29C41/04 , B29C41/003 , C08L23/06 , C08L23/08 , C08L23/0815 , C08L2205/02 , C08L2314/02 , C08L2666/06
摘要： 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.
摘要翻译： 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。
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10.发明申请Methods for making fiber reinforced polypropylene composites using pre-cut fiber 审中-公开使用预切纤维制造纤维增强聚丙烯复合材料的方法公开(公告)号：US20080237914A1
公开(公告)日：2008-10-02
申请号：US12079340
申请日：2008-03-26
CPC分类号： 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
摘要： 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.
摘要翻译： 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。
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