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    • 61. 发明授权
    • Polyester polycondensation with catalyst and a catalyst enhancer
    • 与催化剂和催化剂增强剂的聚酯缩聚
    • US06372879B1
    • 2002-04-16
    • US09895990
    • 2001-06-29
    • Conor M. DowlingBin ChenSri R. Seshadri
    • Conor M. DowlingBin ChenSri R. Seshadri
    • C08G6302
    • C08G63/85B01J21/063B01J31/04B01J31/2239B01J31/26B01J2531/0205B01J2531/10B01J2531/20B01J2531/46B01J2531/52C08G63/82C08G63/83C08G63/84C08G63/87
    • The present invention is based upon the discovery that nontitanyl oxalates can enhance the catalytic functionality of titanyl oxalate catalysts. This invention provides a novel catalytic composition containing a titanyl oxalate catalyst and a metallic oxalate catalyst enhancer and optionally containing a metallic cocatalyst such as an antimony based catalyst. A synergistic relationship has been discovered between titanyl oxalate catalyst and the catalyst enhancer. A synergistic relationship has also been discovered between the titanyl oxalate catalyst, catalyst enhancer and a metallic cocatalyst such as antimony oxide or antimony triacetate. Also provided is an improved process of producing polyester by the polycondensation of polyester forming reactants in the presence of a catalytically effective amount of a polycondensation catalyst, wherein the improvement comprises utilizing, as the polycondensation catalyst, the novel catalyst composition containing a titanyl oxalate such as lithium titanyl oxalate and a catalyst enhancer such as a nontitanyl metallic oxalate like lithium oxalate and optionally containing a metallic catalyst such as antimony oxide or antimony triacetate. The improved process produces an improved polyester having lower acetaldehyde numbers and good color. The titanyl oxalate/catalyst enhancer composition can be used as a polycondensation catalyst in combination with other catalysts to achieve synergistic catalytic activity. Preferred is a combination of lithium or potassium titanyl oxalate, Li2 or K2TiO(C2O4)2, lithium or potassium oxalate, Li2 or K2(C2O4)2 with antimony oxide or antimony triacetate or antimony trisglycoxide.
    • 本发明基于以下发现,即草酸钛酸酯可以增强草酸氧钛催化剂的催化功能。 本发明提供一种含有草酸氧钛催化剂和金属草酸盐催化剂增强剂并任选地含有金属助催化剂如锑基催化剂的新型催化组合物。 在草酸氧钛催化剂和催化剂增强剂之间已经发现协同关系。 在草酸氧钛催化剂,催化剂增强剂和金属助催化剂如氧化锑或三乙酸锑之间也发现了协同关系。 还提供了通过在催化有效量的缩聚催化剂存在下,通过聚酯形成反应物的缩聚来生产聚酯的改进方法,其中改进包括利用含有草酸氧钛的新型催化剂组合物作为缩聚催化剂, 草酸氧钛酸锂和催化剂增强剂如非钛酸金属草酸盐如草酸锂,并任选地含有金属催化剂如氧化锑或三乙酸锑。 改进的方法产生具有较低乙醛数和良好颜色的改进的聚酯。 草酸氧钛/催化剂增强剂组合物可以与其它催化剂组合用作缩聚催化剂以实现协同催化活性。 优选的是草酸锂或钾钛酸盐,Li 2或K 2 TiO(C 2 O 4)2,草酸锂或钾,Li 2或K 2(C 2 O 4)2与氧化锑或三乙酸锑或三羟基氧化锑的组合。
    • 66. 发明授权
    • Method for producing silasequioxane metal complexes, novel
silasesquioxane metal complexes and use thereof
    • 硅倍半氧烷金属络合物的制备方法,新型硅烷倍半硅烷金属配合物及其用途
    • US6127557A
    • 2000-10-03
    • US403260
    • 1999-10-18
    • Rutger Anthony Van SantenHendrikus Cornesis Louis AbbenhuisMartinus Lambertus Wilhelmus Vorstenbosch
    • Rutger Anthony Van SantenHendrikus Cornesis Louis AbbenhuisMartinus Lambertus Wilhelmus Vorstenbosch
    • B01J31/02B01J31/12B01J31/16B01J31/22C07D301/02C07D301/03C07F7/08C07F9/00C07F17/00C08G77/398C07D301/12C07D301/19C07F7/02C07F7/21C07F7/28
    • C08G77/398B01J31/125B01J31/1675B01J31/2226C07D301/02C07F17/00C07F7/0836C07F7/0856C07F9/00C07F9/005B01J2231/70B01J2231/72B01J2531/0205B01J2531/0288B01J2531/46B01J2531/48B01J2531/56
    • A method for producing silasesquioxane metal complexes of the formula (II)((R.sup.1 SiO.sub.1,5).sub.n (R.sup.2a SiO.sub.1,5).sub.m ((B).sub.q (O).sub.r)).sub.u (M).sub.v (Y).sub.win which R.sup.1 represents C.sub.5 -C.sub.10 -cycloalkyl, norbornyl or adamantyl; R.sup.2a represents oxygen; B represents H, OH, halogen, alkoxy, SiR.sup.3.sub.y in which R.sup.3 can be C.sub.1 -C.sub.4 alkyl, aryl or substituted silyl groups, and y represents 2 or 3, and R.sup.1 and R.sup.3 can be functionalized; M represents metals of the 4.sup.th to 7.sup.th subgroups of the periodic system of elements; Y represents C.sub.1 -C.sub.20 alkyl or aryl groups devoid of beta-hydrogen, silyl, alkoxy, OH, halogen, oxo, imido, fluorenyl, indenyl, cyclopentadienyl, in which the individual ligands can be substituted; n=6 or 7; m=0 or 1; q=0-2; r=0-2; u=1-4; v=1-4; w=0-12, in which a metal compound of the 4.sup.th to 7.sup.th subgroups of the periodic system of elements and at least one silasesquioxane compound of the formula (I)(R.sup.1 SiO.sub.1,5).sub.n (R.sup.2 SiO.sub.1,5).sub.m ((H).sub.p (B).sub.q (O).sub.r))in which R.sup.1, B, n, m, q and r have the above meanings; R.sup.2 represents OH, and p equals 0-4, are suspended in an alkylated aromatic hydrocarbon, optionally in the presence of a basic compound, with stirring at -80 to +110.degree. C., and a reaction product is separated at room temperature. The invention also relates to metal complexes which include an oxidic metal cluster containing titanium atoms, in which each titanium atom has been coordinated .times.6, and to the use of such metal complexes as catalysts for oxidation or epoxidation of unsaturated hydrocarbons or alcohols in an aqueous medium.
    • PCT No.PCT / EP98 / 01932 Sec。 371 1999年10月18日第 102(e)日期1999年10月18日PCT提交1998年4月2日PCT公布。 第WO98 / 46352号公报 日期:1998年10月22日制备式(II)((R1SiO1,5)n(R2aSiO5,5)m((B)q(O)r))u(M)v(Y)的硅烷倍半硅烷金属络合物的方法 R1代表C5-C10-环烷基,降冰片基或金刚烷基; R2a代表氧; B表示H,OH,卤素,烷氧基,SiR 3y,其中R 3可以是C 1 -C 4烷基,芳基或取代的甲硅烷基,y表示2或3,R 1和R 3可以官能化; M表示元素周期性系统的第4至第7个亚组的金属; Y表示不含β-氢,甲硅烷基,烷氧基,OH,卤素,氧代,亚氨基,芴基,茚基,环戊二烯基的C1-C20烷基或芳基,其中各配体可以被取代; n = 6或7; m = 0或1; q = 0-2; r = 0-2; u = 1-4; v = 1-4; w = 0-12,其中元素周期元素的第4至第7族的金属化合物和至少一种式(I)的硅烷四倍子恶烷化合物(R 1 SiO 15)n(R 2 SiO 15)m((H )p(B)q(O)r)),其中R 1,B,n,m,q和r具有上述含义; R 2表示OH,p等于0-4,任选在碱性化合物的存在下,在-80至+ 110℃下搅拌悬浮在烷基化芳烃中,并在室温下分离出反应产物。 本发明还涉及金属配合物,其包括含有钛原子的氧化金属簇,其中每个钛原子已配位x6,以及在水性介质中使用这种金属络合物作为不饱和烃或醇的氧化或环氧化催化剂 。
    • 67. 发明授权
    • Dipalladaphosphacyclobutanes and a process for preparing the same
    • 二环磷杂环丁烷及其制备方法
    • US6084114A
    • 2000-07-04
    • US308259
    • 1999-07-19
    • Holger GeisslerPeter GrossBianca Guckes
    • Holger GeisslerPeter GrossBianca Guckes
    • B01J31/24C07F15/00C07F9/02
    • B01J31/2404B01J31/24B01J31/2423B01J31/2447C07F15/006B01J2231/4261B01J2531/0205B01J2531/824B01J2540/225
    • The invention relates to palladaphosphacyclobutanes of the formula (I) ##STR1## where R.sup.1, R.sup.2 are, independently of one another, hydrogen, (C.sub.1 -C.sub.4)-alkyl, (C.sub.3 -C.sub.12)-cycloalkyl, (C.sub.1 -C.sub.4)-alkoxy, fluorine, N[(C.sub.1 -C.sub.4)-alkyl].sub.2, CO.sub.2 -(C.sub.1 -C.sub.4)-alkyl, OCO-(C.sub.1 -C.sub.4)-alkyl or aryl;R.sup.3, R.sup.4, R.sup.5, R.sup.6 are, independently of one another, (C.sub.1 -C.sub.8)-alkyl, (C.sub.3 -C.sub.12)-cycloalkyl or aryl;or where R.sup.1 and R.sup.2, R.sup.1 or R.sup.2 and R.sup.3 or R.sup.4, R.sup.3 and R.sup.4, R.sup.3 or R.sup.4 and R.sup.5 or R.sup.6, or R.sup.5 and R.sup.6 together form an aliphatic ring; or where R.sup.5 and R.sup.6, R.sup.3 or R.sup.4 and R.sup.5 or R.sup.6 together form an aromatic ring; andY is an anion of an inorganic or organic acid, with the exception of the compoundsdi-.mu.-chloro-bis[2-[bis(1,1-dimethylethyl)phosphino]-2-methylpropyl-C,P]dipalladium(II)di-.mu.-bromo-bis[2-[bis(1,1 -dimethylethyl)phosphino]-2-methylpropyl-C,P]dipalladium(II)di-.mu.-trifluoroacetato-bis[2-[bis(1,1 -dimethylethyl)phosphino]-2-methylpropyl-C,P]dipalladium(II)di-.mu.-chloro-bis[2-[(1,1 -dimethylethyl)phenylphosphino]-2-methylpropyl-C,P]dipalladium(II).mu.-chloro-.mu.-methoxy-bis[2-[bis(1,1 -dimethylethyl)phosphino]-2-methylpropyl-C,P]dipalladium(II).
    • PCT No.PCT / EP97 / 06327 Sec。 371日期1999年7月19日第 102(e)1999年7月19日PCT 1997年11月13日PCT公布。 公开号WO98 / 22485 日本公开日1998年5月28日本发明涉及式(I)的聚苯撑磷杂环丁烷,其中R1,R2彼此独立地为氢,(C1-C4) - 烷基,(C3-C12) - 环烷基,(C1-C4) - 烷氧基,氟,N [(C 1 -C 4) - 烷基] 2,CO 2 - (C 1 -C 4) - 烷基,OCO-(C 1 -C 4) - 烷基或芳基; R3,R4,R5,R6彼此独立地为(C1-C8) - 烷基,(C3-C12) - 环烷基或芳基; 或其中R 1和R 2,R 1或R 2和R 3或R 4,R 3和R 4,R 3或R 4和R 5或R 6或R 5和R 6一起形成脂族环; 或其中R 5和R 6,R 3或R 4和R 5或R 6一起形成芳环; 并且Y是无机或有机酸的阴离子,除了化合物二氯 - 双[2- [二(1,1-二甲基乙基)膦基] -2-甲基丙基-C,P]二钯( II)二 - 双 - 双 - [2- [二(1,1-二甲基乙基)膦基] -2-甲基丙基-C,P]二 - (三氟乙酰)双[ ,1-二甲基乙基)膦基] -2-甲基丙基-C,P]二钯(II)二氯 - 双[2 - [(1,1-二甲基乙基)苯基膦基] -2-甲基丙基C,P]二钯 (II) - 氯 - 甲氧基 - 双[2- [二(1,1-二甲基乙基)膦基] -2-甲基丙基-C,P]二钯(II)。