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    • 2. 发明申请
    • Ethylene/dicyclopentadiene copolymers and functionalized derivatives thereof
    • 乙烯/二环戊二烯共聚物及其官能化衍生物
    • US20080015314A1
    • 2008-01-17
    • US11801633
    • 2007-05-10
    • Lisa Saunders BaughAbhimanyu Onkar PatilChristian Peter MehnertKevin R. SquireKenneth A. CookCaiguo GongEnock BerlucheKarla Schall ColleAlan J. OshinskiStephen ZushmaBeverly J. Poole
    • Lisa Saunders BaughAbhimanyu Onkar PatilChristian Peter MehnertKevin R. SquireKenneth A. CookCaiguo GongEnock BerlucheKarla Schall ColleAlan J. OshinskiStephen ZushmaBeverly J. Poole
    • C08L45/00
    • C08F210/02C08F8/04C08F8/08C08F232/00
    • Disclosed is a selected type of copolymer composition comprising copolymers having units derived from ethylene and dicyclopentadiene (DCPD) co-monomers. Such copolymer compositions: a) have a DCPD-derived comonomer unit content of from about 25 mole % to about 45 mole %; b) have a Weight Average Molecular Weight, Mw, of greater than about 170,000; c) comprise amorphous material and have glass transition temperatures, Tg, of from about 8° C. to about 129° C., which also fit the equation Tg (in ° C.)≧[(mole % DCPD×3.142)−4.67]; and d) comprise no significant amount of crystalline polyethylene homopolymer or crystallizable polyethylene segments within the ethylene-dicylopentadiene copolymers. Such copolymers can be readily derivatized by hydrogention and/or epoxidation to provide polymeric materials suitable for use as engineering thermoplastics.Also disclosed are processes for preparing and optionally further derivatizing ethylene/dicyclopentadiene copolymers having the characteristics hereinbefore described. Such processes comprise: a) contacting ethylene with a polymerization mixture comprising greater than about 4.0 molar dicyclopentadiene, in the presence of a selected activated cyclopentadienyl-fluorenyl metallocene catalyst bearing a substituent, preferably a methyl substituent, at the 3-position of the cyclopentadienyl ring, under specific polymerization conditions including relatively high ethylene pressures to thereby form the desired ethylene-dicyclopentadiene copolymers within the polymerization mixture. Such copolymers are then recovered and/or further hydrogenated or functionalized.
    • 公开了一种选择类型的共聚物组合物,其包含具有衍生自乙烯和二环戊二烯(DCPD)共聚单体的单元的共聚物。 这种共聚物组合物:a)具有约25摩尔%至约45摩尔%的DCPD衍生的共聚单体单元含量; b)具有大于约170,000的重均分子量,M < c)包含非晶材料,并且具有约8℃至约129℃的玻璃化转变温度,其也适合方程式T(g) (℃)] = [(摩尔%DCPDx 3.142)-4.67]; 和d)在乙烯 - 二茂二烯共聚物内不含有显着量的结晶聚乙烯均聚物或可结晶的聚乙烯链段。 这样的共聚物可以通过水合和/或环氧化来容易地衍生,以提供适合用作工程热塑性塑料的聚合材料。 还公开了制备和任选地进一步衍生具有上述特征的乙烯/二环戊二烯共聚物的方法。 这样的方法包括:a)在选择的活化的环戊二烯基 - 芴基茂金属催化剂存在下,在含有大于约4.0摩尔二环戊二烯的聚合混合物的存在下,使乙烯与环戊二烯基环的3位具有取代基,优选甲基取代基接触 在包括相对较高的乙烯压力的特定聚合条件下,从而在聚合混合物内形成所需的乙烯 - 二环戊二烯共聚物。 然后回收和/或进一步氢化或官能化此类共聚物。
    • 6. 发明授权
    • Nanocomposite comprising stabilization functionalized thermoplastic polyolefins
    • 包含稳定官能化的热塑性聚烯烃的纳米复合材料
    • US07371793B2
    • 2008-05-13
    • US10800455
    • 2004-03-15
    • Caiguo GongAlan J. OshinskiBeverly J. PooleJerry W. BallThomas W. Sykes
    • Caiguo GongAlan J. OshinskiBeverly J. PooleJerry W. BallThomas W. Sykes
    • C08K9/04
    • B82Y30/00C08F8/32C08K2201/011C08L21/00C08F255/02C08F8/46C08F110/06
    • This invention relates to nanocomposites comprising organo-clay and at least one stabilization functionalized thermoplastic polyolefin. Preferably the stabilization functionalized thermoplastic polyolefin is represented by the formula: T-(R1G)n Wherein T represents the thermoplastic polyolefin Each R1 is a bridging group, preferably independently selected from the group consisting of C1 to C20 aliphatic; C1 to C20 aromatic; substituted C1 to C20 aliphatic; substituted C1 to C20 aromatic; C1 to C20 aliphatic ester; C1 to C20 aliphatic ether; C1 to C20 aliphatic amide; C1 to C20 aliphatic imide; n is the number of stabilization functional/bridging groups bound to T and may be from 1-300; and G is selected from one or more of phenols, ketones, hindered amines, substituted phenols, substituted ketones, substituted hindered amines, or combinations thereof.
    • 本发明涉及包含有机粘土和至少一种稳定官能化的热塑性聚烯烃的纳米复合材料。 优选地,稳定化官能化的热塑性聚烯烃由下式表示:<?in-line-formula description =“In-line Formulas”end =“lead”?> T-(R&lt; 1&gt; G) > n <?in-line-formula description =“In-line Formulas”end =“tail”?>其中T表示热塑性聚烯烃。每个R 1是桥连基,优选 独立地选自C 1至C 20脂族基团; C 1至C 20芳族; 取代的C 1至C 20脂族基; 取代的C 1至C 20芳族; C 1至C 20脂族酯; C 1至C 20脂族醚; C 1至C 20脂族酰胺; C 1至C 20脂族酰亚胺; n是与T结合的稳定性功能性/桥连基团的数目,可以是1-300; 并且G选自酚,酮,受阻胺,取代酚,取代的酮,取代的受阻胺或其组合中的一种或多种。
    • 10. 发明申请
    • Methods for making fiber reinforced polypropylene composites using pre-cut fiber
    • 使用预切纤维制造纤维增强聚丙烯复合材料的方法
    • US20080237914A1
    • 2008-10-02
    • US12079340
    • 2008-03-26
    • Arnold LustigerJennifer Harting WardPatrick BormannDavid Jon StarzAlan J. Oshinski
    • Arnold LustigerJennifer Harting WardPatrick BormannDavid Jon StarzAlan J. Oshinski
    • B29B9/06B29C47/60
    • C08F255/02B29C48/39B29C48/535B29C48/57C08J3/201C08J5/046C08J5/047C08J2323/10C08K3/01C08K5/00C08L23/10C08L23/12C08L33/20C08L51/06C08L67/00C08L2205/16C08L2666/20C08L2666/06C08L2666/02C08L2666/18C08L2666/14C08L2666/04
    • 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.
    • 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。