Heavy duty pneumatic radial tires using rubber reinforcing fiber cords
with improved adhesion
    1.
    发明授权
    Heavy duty pneumatic radial tires using rubber reinforcing fiber cords with improved adhesion 失效
    使用橡胶增强纤维帘线的重型充气子午线轮胎具有改善的附着力

    公开(公告)号:US5151142A

    公开(公告)日:1992-09-29

    申请号:US290827

    申请日:1988-12-22

    IPC分类号: B60C9/00

    摘要: Rubber-reinforcing fiber cords are disclosed which are constituted by at least one kind of fibers selected from a group consisting of aromatic polyamide fibers, entire aromatic polyester fibers and polyvinylalcohol fibers having a tenacity of not less than 15 g/d. Spaces among filaments constituting the cord are each impreganted with a rubbery material. Radial tires are also disclosed which each comprise at least one pair of bead wires, at least one carcass ply cord layer and at least one belt ply cord layer. Carcass ply cords and/or belt ply cords are constituted by the above rubber-reinforcing fiber cords.

    摘要翻译: 公开了由选自芳族聚酰胺纤维,全部芳族聚酯纤维和强度不小于15g / d的聚乙烯醇纤维中的至少一种纤维构成的橡胶增强纤维帘线。 构成绳索的长丝之间的空隙各自被橡胶材料注入。 还公开了径向轮胎,其分别包括至少一对胎圈丝,至少一个胎体帘布层帘线层和至少一个带束帘布层层。 胎体帘布层帘线和/或带束帘线由上述橡胶增强纤维帘线构成。

    Polypropylene resin composition
    2.
    发明授权
    Polypropylene resin composition 失效
    聚丙烯树脂组合物

    公开(公告)号:US5621046A

    公开(公告)日:1997-04-15

    申请号:US499908

    申请日:1995-07-11

    摘要: A polypropylene resin composition including (A) 50-90 parts by weight of a polypropylene resin including (a) 3-30 weight % of stereoblock polypropylene having a weight-average molecular weight of 5,000-1,000,000, a percentage of five continuous propylene monomer units in which all propylene bonds are meso bonds and a percentage of five continuous propylene monomer units in which all propylene bonds are racemic bonds being 70% or more and 5% or more, respectively relative to the all propylene bonds, and (b) 70-97 weight % of an ultra-high stereospecific polypropylene having a melt flow rate of 0.1-1,000 g/10 minutes, an average meso chain length Nm calculated from a triad percentage determined from .sup.13 C-NMR spectrum by the following formula of Nm=2[mm]/[mr]+1, wherein [mm] is (isotactic triad/total triad).times.100 (%) and [mr] is (heterotactic triad/total triad).times.100 (%), meeting a relation of Nm>250+29.5 log (MFR), and (B) 50-10 parts by weight of an olefinic rubber and/or a polyolefin other than (A).

    摘要翻译: 一种聚丙烯树脂组合物,其包含(A)50-90重量份的聚丙烯树脂,其包含(a)3-30重量%的重均分子量为5,000-1,000,000的立构嵌段聚丙烯,五个连续丙烯单体单元的百分比 其中所有丙烯键均为内消旋键,其中所有丙烯键为外消旋键的五个连续丙烯单体单元的百分比相对于全部丙烯键分别为70%以上且5%以上,(b)70〜 97重量%的熔体流动速率为0.1-1,000g / 10分钟的超高立体定向聚丙烯,由根据13 C-NMR光谱由下式Nm / 2确定的三单元组百分比计算的平均内消旋链长度Nm: mm] / [mr] +1,其中[mm]为(全同立构三单元组/总三元组)×100(%),[mr]为(异质三单元组/总三元组)×100(%),满足Nm> 29.5log(MFR)和(B)50-10重量份的烯烃橡胶和/或其它聚烯烃 比(A)。

    Thermoplastic resin composition
    3.
    发明授权
    Thermoplastic resin composition 失效
    热塑性树脂组合物

    公开(公告)号:US5444119A

    公开(公告)日:1995-08-22

    申请号:US160804

    申请日:1993-12-03

    IPC分类号: C08L23/10 C08L67/02 C08L23/12

    摘要: The thermoplastic resin composition of the present invention is made of:(a) 5-95 weight % of polypropylene;(b) 95-5 weight % of a polyester; and(c) 2-70 parts by weight, per 100 parts by weight of the total of (a) + (b), of a polyolefin-polyester graft copolymer.The polyolefin-polyester graft copolymer is constituted by 10-90 parts by weight of a polyester having an intrinsic viscosity [n] of 0.30-1.20 and an end carboxyl group content of 15-200 milliequivalent/kg; and (B) 90-10 parts by weight of a modified polyolefin having an epoxy group or carboxyl group content of 0.2-5 mol % and a weight-average molecular weight of 8,000-140,000. This thermoplastic resin composition may further contain (d) a modified polypropylene grafted with an unsaturated carboxylic acid or its anhydride.

    摘要翻译: 本发明的热塑性树脂组合物由以下组成:(a)5-95重量%的聚丙烯; (b)95-5重量%的聚酯; 和(c)每100重量份的(a)+(b)的聚烯烃 - 聚酯接枝共聚物的总量为2-70重量份。 聚烯烃 - 聚酯接枝共聚物由特性粘度[n]为0.30-1.20,末端​​羧基含量为15-200毫当量/ kg的聚酯10-90重量份构成; 和(B)90-10重量份的环氧基或羧基含量为0.2-5摩尔%,重均分子量为8,000-1.4万的改性聚烯烃。 该热塑性树脂组合物还可以含有(d)用不饱和羧酸或其酸酐接枝的改性聚丙烯。

    Urethane elastomers prepared from polyethers having a certain molecular
weight distribution
    5.
    发明授权
    Urethane elastomers prepared from polyethers having a certain molecular weight distribution 失效
    由具有一定分子量分布的聚醚制备的聚氨酯弹性体

    公开(公告)号:US3963681A

    公开(公告)日:1976-06-15

    申请号:US483535

    申请日:1974-06-27

    摘要: Polyether urethane elastomer composition having improved mechanical properties has been prepared by using polyfunctional isocyanate, curing agent and polyether having active hydrogen terminal groups, wherein the weight average molecular weight of said polyether is within the range of 1,000 to less than 4,500 and the molecular weight distribution curve of said polyether has at least two peaks, at least one of which is located in the higher molecular weight region and at least another one of which is located in the lower molecular weight region than the rheological critical molecular weight of said polyether and wherein the equivalent ratio (d) of active hydrogen of a curing agent to the isocyanate group of said polyfunctional isocyanate is in the range of 0.9

    摘要翻译: 通过使用多官能异氰酸酯,固化剂和具有活性氢端基的聚醚制备具有改善的机械性能的聚醚聚氨酯弹性体组合物,其中所述聚醚的重均分子量在1,000至小于4500的范围内,分子量分布 所述聚醚的曲线具有至少两个峰,其中至少一个位于较高分子量区域中,并且其中至少一个位于低于所述聚醚的流变临界分子量的较低分子量区域,并且其中 固化剂与所述多官能异氰酸酯的异氰酸酯基团的活性氢的当量比(d)在0.9

    Thermoplastic resin composition
    7.
    发明授权
    Thermoplastic resin composition 失效
    热塑性树脂组合物

    公开(公告)号:US5298557A

    公开(公告)日:1994-03-29

    申请号:US648932

    申请日:1991-02-01

    IPC分类号: C08L23/10 C08L67/02 C08L23/12

    摘要: The thermoplastic resin composition of the present invention is made of:(a) 5-95 weight % of polypropylene;(b) 95-5 weight % of a polyester; and(c) 2-70 parts by weight, per 100 parts by weight of the total of (a)+(b), of a polyolefin-polyester graft copolymer.The polyolefin-polyester graft copolymer is constituted by (A) 10-90 parts by weight of a polyester having an intrinsic viscosity [.eta.] of 0.30-1.20 and an end carboxyl group content of 15-200 milliequivalent/kg; and (B) 90-10 parts by weight of a modified polyolefin having an epoxy group or carboxyl group content of 0.2-5 mol % and a weight-average molecular weight of 8,000-140,000. This thermoplastic resin composition may further contain (d) a modified polypropylene grafted with an unsaturated carboxylic acid or its anhydride.

    摘要翻译: 本发明的热塑性树脂组合物由以下组成:(a)5-95重量%的聚丙烯; (b)95-5重量%的聚酯; 和(c)每100重量份的(a)+(b)的聚烯烃 - 聚酯接枝共聚物的总量为2-70重量份。 聚烯烃 - 聚酯接枝共聚物由(A)10-90重量份特性粘度((η))为0.30-1.20,端羧基含量为15-200毫当量/ kg的聚酯组成; 和(B)90-10重量份的环氧基或羧基含量为0.2-5摩尔%,重均分子量为8,000-1.4万的改性聚烯烃。 该热塑性树脂组合物还可以含有(d)用不饱和羧酸或其酸酐接枝的改性聚丙烯。

    Olefin polymerization catalyst
    8.
    发明授权
    Olefin polymerization catalyst 失效
    OLEFIN聚合催化剂

    公开(公告)号:US5223465A

    公开(公告)日:1993-06-29

    申请号:US776350

    申请日:1991-11-18

    CPC分类号: C08F10/00 C08F12/04

    摘要: The present invention aims at providing an olefin polymerization catalyst comprising, as a component, a transition metal compound having two ligands such as .beta.-diketone, etc. coordinated, and having excellent properties as a polymerization catalyst in the polymerization of olefins including styrene compounds. This olefin polymerization catalyst comprises:(a) a transition metal compound represented by the general formula, ##STR1## wherein M represents titanium, zirconium, hafnium or vanadium, Y.sup.1 and Y.sup.2 each represent, same or different, halogen atoms or alkyl groups containing 1 to 10 carbon atoms and R.sup.1, R.sup.2 and R.sup.3 each represent hydrogen atoms or hydrocarbon groups containing 1 to 10 carbon atoms, at least one of which is a hydrogen atom but all of which must not be hydrogen atoms, and(b) an organoaluminum compound, in particular, aluminoxane.

    摘要翻译: PCT No.PCT / JP91 / 00345 Sec。 371日期1991年11月18日 102(e)1991年11月18日日期PCT 1991年3月13日PCT PCT。 出版物WO91 / 日本1991年9月19日。本发明旨在提供一种烯烃聚合催化剂,其包含作为组分的具有两个配位体如β-二酮等的配位的过渡金属化合物,并且具有优异的作为聚合催化剂的性能 烯烃聚合包括苯乙烯化合物。 该烯烃聚合催化剂包括:(a)由通式表示的过渡金属化合物,其中M表示钛,锆,铪或钒,Y1和Y2各自表示相同或不同的卤原子或含1个 至10个碳原子,R 1,R 2和R 3各自表示氢原子或含有1至10个碳原子的烃基,其中至少一个为氢原子,但全部不能为氢原子,(b)有机铝化合物 ,特别是铝氧烷。