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42 条记录 (耗时 0.018 秒)

    Process for the production of hydrogenated ring-opened metathesis polymers
    1.
    发明授权
    Process for the production of hydrogenated ring-opened metathesis polymers 失效
    氢化开环复分解聚合物的制备方法

    公开(公告)号：US5932664A

    公开(公告)日：1999-08-03

    申请号：US991721

    申请日：1997-12-16

    申请人： Yun Chen ,  Ralf Dujardin ,  Harald Pielartzik ,  Uli Werner Franz

    发明人： Yun Chen ,  Ralf Dujardin ,  Harald Pielartzik ,  Uli Werner Franz

    IPC分类号： C08F4/60 ,  C08F4/80 ,  C08G61/08 ,  C08F8/04

    CPC分类号： C08G61/08

    摘要： Process for the production of hydrogenated, ring-opened metathesis (co)polymers from cyclic olefins using the ruthenium-carbene complexes of the general formula (I) ##STR1## in which R.sub.1 and R.sub.2 mutually independently mean hydrogen, C.sub.2 -C.sub.20 alkenyl, C.sub.1 -C.sub.20 alkyl, aryl, C.sub.1 -C.sub.20 carboxylate, C.sub.1 -C.sub.20 alkoxy, C.sub.2 -C.sub.20 alkenyloxy, aryloxy, C.sub.2 -C.sub.20 alkoxycarbon-yl,C.sub.1 -C.sub.20 alkylthio, which may optionally be substituted by C.sub.1 -C.sub.5 alkyl, halogen, C.sub.1 -C.sub.5 alkoxy or by phenyl optionally substituted by C.sub.1 -C.sub.5 alkyl, halogen, C.sub.1 -C.sub.5 alkoxy;X.sub.1 and X.sub.2 mutually independently mean any desired anionic ligand;L.sub.1 and L.sub.2 mutually independently mean any desired neutral electron donorand two or three of X.sub.1, X.sub.2, L.sub.1 and L.sub.2 may furthermore together form a multi-dentate chelating ligand,as catalysts for the polymerisation stage, wherein the catalyst is optionally modified after polymerisation by adding a modifier and the polymerisation product is hydrogenated as a solution (optionally diluted with the same inert solvent as during polymerisation or with another inert solvent) without addition of an extra hydrogenation catalyst at temperatures of 0.degree. C. to 200.degree. C. preferably of 35.degree. C. to 150.degree. C. under a hydrogen pressure of 2 to 200 bar, preferably of 10 to 50 bar, wherein at least 60%, preferably at least 95% of the olefinic double bonds are saturated.

    摘要翻译： 使用其中R 1和R 2相互独立地表示氢，C 2 -C 20烯基，C 1 -C 20烷基的通式（I）的钌 - 卡宾复合物从环烯烃生产氢化的开环复分解体（共）聚合物的方法 ，芳基，C 1 -C 20羧酸酯，C 1 -C 20烷氧基，C 2 -C 20链烯氧基，芳氧基，C 2 -C 20烷氧基羰基，C 1 -C 20烷硫基，其可以任选地被C 1 -C 5烷基，卤素，C 1 -C 5烷氧基或 任选被C 1 -C 5烷基，卤素，C 1 -C 5烷氧基取代的苯基; X1和X2相互独立地表示任何所需的阴离子配体; L1和L2相互独立地表示任何所需的中性电子给体，并且X1，X2，L1和L2中的两个或三个还可以一起形成多齿螯合配体，作为聚合阶段的催化剂，其中催化剂在聚合后任选地被改性 加入改性剂，并且将聚合产物作为溶液氢化（任选地用与聚合期间相同的惰性溶剂稀释或与另一种惰性溶剂一起稀释），而在0℃至200℃的温度下不加入额外的氢化催化剂，优选为 35℃至150℃，氢压为2至200巴，优选10至50巴，其中至少60％，优选至少95％的烯属双键是饱和的。

    Method for modifying the backbone of polymeric resins
    8.
    发明授权
    Method for modifying the backbone of polymeric resins 失效
    改性聚合物树脂骨架的方法

    公开(公告)号：US5693722A

    公开(公告)日：1997-12-02

    申请号：US764377

    申请日：1996-12-13

    申请人： Duane B. Priddy, Jr. ,  Burkhard Kohler ,  Robert J. Kumpf ,  Harald Pielartzik

    发明人： Duane B. Priddy, Jr. ,  Burkhard Kohler ,  Robert J. Kumpf ,  Harald Pielartzik

    IPC分类号： C08G63/64 ,  C08G64/14 ,  C08G64/30 ,  C08F20/00

    CPC分类号： C08G64/30 ,  C08G63/64 ,  C08G64/14

    摘要： A process is disclosed whereby a polymeric resin (containing ester and/or carbonate bonds) is readily converted into a resin having a modified molecular structure. Accordingly, a polycyclic carbonate (a monomer or oligomer) is transesterified with the polymer resin in the melt, preferably upon extrusion, optionally in the presence of a catalyst. Significantly, the cyclic carbonates are, by the inventive process, inserted into the structure of the polymer, effecting branching of the molecular structure, a branching which manifests itself in the modified properties of the resin.

    摘要翻译： 公开了一种方法，其中聚合物树脂（含有酯和/或碳酸酯键）容易转化为具有改性分子结构的树脂。 因此，多烯碳酸酯（单体或低聚物）优选在挤出时，任选地在催化剂存在下，与聚合物树脂在熔体中酯交换。 重要的是，通过本发明的方法，环状碳酸酯被插入到聚合物的结构中，实现分子结构的支化，其表现为树脂的改性特性。

    Process for the production of molded products using internal mold release agents
    9.
    发明授权
    Process for the production of molded products using internal mold release agents 失效
    使用内部脱模剂生产成型产品的方法

    公开(公告)号：US5529739A

    公开(公告)日：1996-06-25

    申请号：US339854

    申请日：1994-11-15

    申请人： Erik H. Jonsson ,  Harald Pielartzik ,  Kristen L. Parks ,  Randall C. Rains

    发明人： Erik H. Jonsson ,  Harald Pielartzik ,  Kristen L. Parks ,  Randall C. Rains

    IPC分类号： B29C45/00 ,  B29C33/60 ,  B29C67/24 ,  B29K75/00 ,  B29C45/83

    CPC分类号： B29C67/246 ,  B29C33/60 ,  B29K2075/00

    摘要： The present invention is directed to an improved internal mold release system for the production of high density molded SRIM parts, i.e. molded parts having a density of from 1.3 to 2.0 g/cc. In particular, the process involves reacting a reaction mixture comprising an organic polyisocyanate and at least one organic compound containing isocyanate-reactive hydrogens in the presence of a catalyst and an internal mold release agent in a closed mold. The internal mold release agent is a compound corresponding to the formula: ##STR1## wherein R.sup.2 represents hydrogen, the group R.sup.5 --NH--CO--, or a C.sub.1 to C.sub.24 alkyl or substituted alkyl group, a C.sub.3 to C.sub.24 cycloalkyl or substituted cycloalkyl group, a C.sub.2 to C.sub.24 alkenyl or substituted alkenyl group, or a C.sub.6 to C.sub.24 aryl or substituted aryl group, andwherein R.sup.1, R.sup.3, R.sup.4 and R.sup.5 may be the same or different and represent a C.sub.1 to C.sub.24 alkyl or substituted alkyl group, a C.sub.3 to C.sub.24 cycloalkyl or substituted cycloalkyl group, a C.sub.2 to C.sub.24 alkenyl or substituted alkenyl group, or a C.sub.6 to C.sub.24 aryl or substituted aryl group,with the proviso that at least one of R.sup.1, R.sup.2, R.sup.3, R.sup.4 and R.sup.5 is a C.sub.12 to C.sub.24 alkyl or substituted alkyl group, or a C.sub.12 to C.sub.24 alkenyl or substituted alkenyl group, and with the further proviso that substituent groups are inert toward isocyanate groups at temperatures of 100.degree. C. or less.

    摘要翻译： 本发明涉及用于生产高密度模制SRIM部件的改进的内部脱模系统，即密度为1.3-2.0g / cc的模塑部件。 特别地，该方法包括使反应混合物包含有机多异氰酸酯和至少一种含有异氰酸酯反应性氢的有机化合物在催化剂和内部脱模剂存在下在封闭模具中反应。 内部脱模剂是对应于下式的化合物：其中R 2表示氢，R5-NH-CO-或C 1至C 24烷基或取代的烷基，C 3至C 24环烷基或取代的环烷基 C2-C24烯基或取代烯基，或C6-C24芳基或取代芳基，其中R1，R3，R4和R5可以相同或不同，表示C1至C24烷基或取代的烷基， C 3至C 24环烷基或取代的环烷基，C 2至C 24烯基或取代的烯基或C 6至C 24芳基或取代的芳基，条件是R 1，R 2，R 3，R 4和R 5中的至少一个为C 12 C 24烷基或取代的烷基，或C 12〜C 24链烯基或取代的链烯基，进一步的条件是取代基在100℃或更低的温度下对异氰酸酯基团是惰性的。

    Process for making an ester containing polyether sulfone
    10.
    发明授权
    Process for making an ester containing polyether sulfone 失效
    制备含聚醚砜的酯的方法

    公开(公告)号：US5342905A

    公开(公告)日：1994-08-30

    申请号：US10736

    申请日：1993-01-29

    申请人： Robert J. Kumpf ,  Aaron D. Meltzer ,  Harald Pielartzik

    发明人： Robert J. Kumpf ,  Aaron D. Meltzer ,  Harald Pielartzik

    IPC分类号： C08G75/23 ,  C08G63/688 ,  C08G65/48 ,  C08G75/00 ,  C08G75/20 ,  C08G8/02 ,  C08G69/32

    CPC分类号： C08G75/20 ,  C08G63/6886 ,  C08G65/48

    摘要： A two step process for the preparation of an ester group-containing polyether sulfone is disclosed. In the first step a dihalogenodiphenyl sulfone is reacted with excess amount of an aromatic dihydroxy compound and in a second step the reaction product is reacted with a dicarboxylic acid derivative. The excess amount of the aromatic dihydroxy compound is that amount which is sufficient to react with said derivative to form the corresponding ester. The process of the invention is characterized by its economics and good yield and by the high purity of the product. The thus produced polyether sulfone is useful as a thermoplastic resin and as a reactant in the melt blending process for the preparation of block copolymers.

    摘要翻译： 公开了制备含酯基的聚醚砜的两步法。 在第一步中，二卤代二苯砜与过量的芳族二羟基化合物反应，第二步反应产物与二羧酸衍生物反应。 过量的芳族二羟基化合物是足以与所述衍生物反应形成相应酯的量。 本发明的方法的特征在于其经济性和良好的产率以及高纯度的产品。 由此制备的聚醚砜可用作热塑性树脂和用作制备嵌段共聚物的熔融共混方法中的反应物。