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    • 1. 发明申请
    • METHODS FOR MAKING FIBER REINFORCED POLYSTYRENE COMPOSITES
    • 制备纤维增强聚苯乙烯复合材料的方法
    • WO2008042090A2
    • 2008-04-10
    • PCT/US2007/019874
    • 2007-09-11
    • EXXONMOBIL RESEARCH AND ENGINEERING COMPANYLUSTIGER, ArnoldMATUSZEK, Walter, Thomas
    • LUSTIGER, ArnoldMATUSZEK, Walter, Thomas
    • C08F8/00
    • C08J5/046C08J2325/04C08K3/013
    • The present invention is directed generally processes for making fiber reinforced polystyrene compositions including from 5 to 50 wt% organic fiber, and from 0 to 60 wt% inorganic filler in a matrix of an atactic polystyrene based polymer. The process includes extrusion compounding the atactic polystyrene based polymer, the organic fiber, and the inorganic filler to form a fiber reinforced polystyrene resin, which is subsequently molded to form an article with a flexural modulus of at least 350,000 psi, and that exhibits ductility during instrumented impact testing. Extrusion compounding processes whereby the organic fiber is continuously fed to the extruder hopper by unwinding from one or more spools, and uniformly dispersing the fiber in the composites via twin screws having a combination of conveying and kneading elements are also disclosed. The extrusion compounding process and the molding process may also be fluidly coupled to provide an in-line compounding and molding process for producing the fiber reinforced polystyrene composites. Colored fiber may also be optionally incorporated into the process to yield articles with a cloth-like appearance. The processes for making fiber reinforced polystyrene compositions are suitable for making molded articles including, but not limited to, household appliances, automotive parts, and boat hulls.
    • 本发明一般涉及一种制备纤维增强聚苯乙烯组合物的方法,所述组合物包含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。 该方法包括挤出混合无规聚苯乙烯基聚合物,有机纤维和无机填料以形成纤维增强聚苯乙烯树脂,随后将其模塑成具有至少350,000psi的挠曲模量的制品,并且其在 仪表化冲击试验。 还公开了挤出复合方法,其中有机纤维通过从一个或多个卷轴展开而连续地供给到挤出机料斗,并且通过具有输送和捏合元件的组合的双螺杆将纤维均匀地分散在复合材料中。 挤出复合方法和模塑方法也可以流体耦合以提供用于生产纤维增强聚苯乙烯复合材料的在线复合和模塑方法。 有色纤维也可以任选地并入该方法中以产生具有布样外观的制品。 制造纤维增强聚苯乙烯组合物的方法适用于制造模制品,包括但不限于家用电器,汽车部件和船体。
    • 2. 发明申请
    • PELLET AND FIBER LENGTH FOR POLYESTER FIBER REINFORCED POLYPROPYLENE COMPOSITES
    • 聚酯纤维增强聚丙烯复合材料的纤维和纤维长度
    • WO2008112173A1
    • 2008-09-18
    • PCT/US2008/003113
    • 2008-03-07
    • EXXONMOBIL RESEARCH AND ENGINEERING COMPANYLUSTIGER, ArnoldMATUSZEK, Walter, T.
    • LUSTIGER, ArnoldMATUSZEK, Walter, T.
    • C08K3/34
    • C08L23/10C08K3/013C08L67/00C08L67/02C08L2205/16C08L2666/18C08L2666/06
    • The present disclosure is directed generally to polyester fiber reinforced polypropylene resin pellets and methods for producing therein. The polyester fiber reinforced polypropylene resin pellets include at least 25 wt% polypropylene based polymer; from 10 to 40 wt% polyester fiber; from 0 to 60 wt% inorganic filler; and from 0 to 0.2 wt% lubricant. The polyester fiber is incorporated into the resin pellets by feeding chopped fiber or continuous fiber unwound from one or more spools. Articles molded from the polyester fiber reinforced polypropylene resin pellets exhibit a drop dart impact resistance that is dependent on the pellet length and whether the PET fiber is incorporated as chopped fiber or continuous fiber during the extrusion compounding process. Articles molded from the polyester fiber reinforced polypropylene resin pellets find application as automotive parts, household appliance parts, or boat hulls.
    • 本公开一般涉及聚酯纤维增强聚丙烯树脂颗粒及其制造方法。 聚酯纤维增强聚丙烯树脂颗粒包含至少25重量%的聚丙烯基聚合物; 10-40重量%聚酯纤维; 0至60重量%的无机填料; 和0至0.2重量%的润滑剂。 聚酯纤维通过进料短切纤维或从一个或多个卷轴退绕的连续纤维而被引入到树脂颗粒中。 由聚酯纤维增强聚丙烯树脂颗粒成型的制品表现出取决于颗粒长度的滴落镖冲击强度,以及在挤出复合过程中PET纤维是否作为短切纤维或连续纤维结合。 由聚酯纤维增强聚丙烯树脂颗粒成型的制品可用作汽车零件,家用电器零件或船体。
    • 5. 发明申请
    • METHODS FOR MAKING FIBER REINFORCED POLYSTYRENE COMPOSITES
    • 制备纤维增强聚苯乙烯复合材料的方法
    • WO2008042090A3
    • 2008-07-10
    • PCT/US2007019874
    • 2007-09-11
    • EXXONMOBIL RES & ENG COLUSTIGER ARNOLDMATUSZEK WALTER THOMAS
    • LUSTIGER ARNOLDMATUSZEK WALTER THOMAS
    • C08F12/08C08J5/04
    • C08J5/046C08J2325/04C08K3/013
    • Processes for making fiber reinforced polystyrene compositions from organic fibers, inorganic filler and atactic polystyrene based polymer. The process includes extruding the polymer, the fiber and the filler to form a fiber reinforced polystyrene resin, which is molded to form a ductile article with a high flexural modulus. Organic fiber is unwound from spools, fed to the hopper, and dispersed vi twin screws with conveying and kneading elements. The extrusion compounding and molding processes may be fluidly coupled to provide an in-line compounding and molding process for producing the fiber reinforced polystyrene composites. Colored fiber may also be incorporated into the process to yield articles with a cloth-like appearance. The processes for making fiber reinforced polystyrene compositions are suitable for making molded articles including household appliances, automotive parts and boat hulls.
    • 由有机纤维制成纤维增强聚苯乙烯组合物的方法,无机填料和无规聚苯乙烯基聚合物。 该方法包括挤出聚合物,纤维和填料以形成纤维增强聚苯乙烯树脂,其被模塑以形成具有高挠曲模量的延性制品。 有机纤维从卷轴展开,送入料斗,并用输送和捏合元件分散vi双螺杆。 挤出复合和模塑方法可以流体耦合以提供用于生产纤维增强聚苯乙烯复合材料的在线复合和模制方法。 彩色纤维也可以并入该方法中以产生具有布样外观的制品。 制造纤维增强聚苯乙烯组合物的方法适用于制造包括家用电器,汽车部件和船体的模塑制品。
    • 6. 发明申请
    • FIBER REINFORCED POLYSTYRENE COMPOSITES
    • 纤维增强聚苯乙烯复合材料
    • WO2008042088A1
    • 2008-04-10
    • PCT/US2007/019868
    • 2007-09-13
    • EXXONMOBIL RESEARCH AND ENGINEERING COMPANYLUSTIGER, ArnoldMATUSZEK, Walter, T.
    • LUSTIGER, ArnoldMATUSZEK, Walter, T.
    • C08F12/08
    • C08L25/06C08K3/013C08L67/02C08L2666/14
    • 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.
    • 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,并且在仪表式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。