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    • 4. 发明授权
    • Process for producing olefin polymer
    • 生产烯烃聚合物的方法
    • US5576400A
    • 1996-11-19
    • US100183
    • 1993-08-02
    • Yoshinori SugaNobuo Enokido
    • Yoshinori SugaNobuo Enokido
    • C08F4/658C08F4/60C08F10/00C08F4/642C08F10/02
    • C08F10/00
    • A process for producing an olefin polymer comprising polymerizing an olefin or olefins in the presence of a catalyst system, in which the catalyst system comprises of (A) a hydrocarbon-insoluble solid catalyst component obtained by treating a uniform hydrocarbon solution containing (a) an magnesium compound, e.g., a dialkoxymagnesium, (b) an titanium compound, e.g., a titanium tetraalkoxide, and (c) a polyalkyltitanate represented by formula (I): ##STR1## wherein R.sup.3 's, which may be the same or different, each represent an alkyl group, an aryl group, or a cycloalkyl group; and p represents an integer of from 2 to 20, with a halogenating agent and (B) an organoaluminum compound. The resulting olefin polymer has broad molecular weight distribution, high melt tension, and high melt elasticity and is freed of fish eye by kneading under ordinary conditions.
    • 一种制备烯烃聚合物的方法,其包括在催化剂体系存在下使烯烃或烯烃聚合的催化剂体系,其中催化剂体系包含(A)通过处理均匀烃溶液获得的烃不溶性固体催化剂组分,所述烃溶液含有(a) 镁化合物,例如二烷氧基镁,(b)钛化合物,例如四烷氧基钛,和(c)由式(I)表示的聚烷基钛酸酯:酰胺或不同,各自表示烷基,芳基或 环烷基 和p表示2至20的整数,与卤化剂和(B)有机铝化合物。 所得烯烃聚合物具有宽分子量分布,高熔体张力和高熔体弹性,并且在普通条件下通过捏合而不含鱼眼。
    • 7. 发明授权
    • Ethylene polymer and fuel tank comprising the same
    • 乙烯聚合物和包含该乙烯聚合物的燃料箱
    • US5547722A
    • 1996-08-20
    • US414231
    • 1995-03-31
    • Yumito UeharaNobuo EnokidoKiyotoshi FujiokaNobuyuki ShimizuMotonori Ueda
    • Yumito UeharaNobuo EnokidoKiyotoshi FujiokaNobuyuki ShimizuMotonori Ueda
    • B32B27/08C08F10/02B65D88/12B32B27/32B32B27/34
    • B32B27/08C08F10/02Y10T428/1352Y10T428/1383Y10T428/31746Y10T428/31913Y10T428/31928
    • An ethylene homopolymer or copolymer comprising ethylene and not more than 10% by weight of an .alpha.-olefin having from 3 to 20 carbon atoms and a fuel tank obtained therefrom are disclosed, said ethylene homopolymer or copolymer having (1) an intrinsic viscosity [.eta.] of from 2 to 6 dl/g, (2) a density of from 0.945 to 0.970 g/cm.sup.3, (3) an R value of from 2.5 to 4, said R value being defined as a .sigma..sub.2 /.rho..sub.1 ratio, wherein .sigma..sub.1 and .sigma..sub.2 mean stress in elongation with a strain at 2 sec and 4 sec, respectively, under a flow at an elongational strain rate .epsilon. of 0.5 sec.sup.-1, and (4) a relationship between high-velocity impact strength (HRI-IZOD) measured at -30.degree. C. and a melt index under a load of 21.6 kg (HLMI) satisfying formula:HRI-IZOD.gtoreq.-log HLMI+1.15The ethylene polymer exhibits high melt tension and excellent molding properties such as uniform stretchability in blow molding to provide molded articles, such as a fuel tank, having excellent mechanical characteristics, such as high stiffness and high impact resistance, and excellent fire resistance.
    • 公开了包含乙烯和不超过10重量%的具有3至20个碳原子的α-烯烃的乙烯均聚物或共聚物和由其获得的燃料箱,所述乙烯均聚物或共聚物具有(1)特性粘度[η ]为2〜6dl / g,(2)密度为0.945〜0.970g / cm3,(3)R值为2.5〜4,所述R值定义为σ2 / rho 1比, 其中σ1和σ2分别表示在伸长应变速率+ E,点ε+ EE为0.5秒-1的流动下,在2秒和4秒时应变的伸长应力,以及(4) 在-30℃下测量的高速冲击强度(HRI-IZOD)和21.6kg负载下的熔体指数(HLMI)满足公式:HRI-IZOD> / = - log HLMI + 1.15乙烯聚合物显示高熔体 张力和优异的成型性能,例如吹塑成型中的均匀拉伸性,以提供具有优异机械性能的模制品,例如燃料箱 特性如高刚度,高耐冲击性,耐火性优良。
    • 8. 发明授权
    • Process for polymerizing olefin
    • 烯烃聚合方法
    • US4525554A
    • 1985-06-25
    • US240480
    • 1981-03-04
    • Toru TanakaKazutoshi IwataniNobuo EnokidoAtsushi MurakamiYukio Yamaguchi
    • Toru TanakaKazutoshi IwataniNobuo EnokidoAtsushi MurakamiYukio Yamaguchi
    • C08F10/00C08F4/02
    • C08F10/00
    • In a process for polymerizing an olefin in the presence of a catalyst system combining an organoaluminum compound with a hydrocarbon insoluble solid catalytic component prepared by treating a hydrocarbon solution containing a magnesium compound, and a titanium compound with an aluminum halide having the formulaAlR.sub.l.sup.1 X.sub.3-l.sup.1(R.sup.1 represents an alkyl, aryl or cycloalkyl group and X.sup.1 represents a halogen atom, and l is 1.ltoreq.l.ltoreq.2),an improvement characterized in that the magnesium compound is a compound having the formulaMg(OR.sup.2).sub.m X.sub.2-m.sup.2(R.sup.2 represents an alkyl, aryl or cycloalkyl group; X.sup.2 represents a halogen atom; and m is 1 or 2) and the titanium compound is a compound having the formulaTi(OR.sup.3).sub.n X.sub.4-n.sup.3(R.sup.3 represents an alkyl, aryl or cycloalkyl group; X.sup.3 represents a halogen atom; n is 1, 2 or 3).
    • 在将有机铝化合物与通过处理含有镁化合物的烃溶液制备的烃不溶性固体催化剂组分的催化剂体系和具有式AlRl 1 X 3 -11的卤化铝的钛化合物的催化剂体系聚合的方法中, (R1表示烷基,芳基或环烷基,X1表示卤素原子,l表示1〜2),其特征在于镁化合物为具有式Mg(OR 2)m X 2的化合物 -m2(R2表示烷基,芳基或环烷基; X2表示卤素原子,m表示1或2),钛化合物是具有式Ti(OR 3)n X 4-n 3的化合物(R3表示烷基,芳基 或环烷基; X3表示卤素原子; n为1,2或3)。