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51 条记录 (耗时 0.027 秒)

    Transparent, steam sterilizable, noncellular polyurethane compositions a process for their preparation and their use especially for medicinal articles
    5.
    发明授权
    Transparent, steam sterilizable, noncellular polyurethane compositions a process for their preparation and their use especially for medicinal articles 失效
    透明的，蒸汽灭菌的，非细胞的聚氨酯组合物，它们的制备方法及其特别用于药物的用途

    公开(公告)号：US5045623A

    公开(公告)日：1991-09-03

    申请号：US564224

    申请日：1990-08-08

    申请人： Peter Horn ,  Werner Hinz ,  Walter Heckmann ,  Falko Ramsteiner ,  Friedrich Gerold

    发明人： Peter Horn ,  Werner Hinz ,  Walter Heckmann ,  Falko Ramsteiner ,  Friedrich Gerold

    IPC分类号： A61L31/00 ,  A61L2/07 ,  A61L27/18 ,  A61L27/34 ,  A61L27/44 ,  B01D63/02 ,  B01D65/00 ,  C08G18/10 ,  C08G18/12 ,  C08G18/48 ,  C08G18/72 ,  C08G18/76

    CPC分类号： C08G18/7671 ,  A61L2/07 ,  A61L27/18 ,  A61L27/34 ,  A61L27/44 ,  B01D63/023 ,  B01D65/003 ,  C08G18/12 ,  C08G18/4804 ,  C08G18/4816

    摘要： The present invention relates to transparent essentially non-cellular polyurethane casting compositions that are sterilizable with superheated steam which are prepared by reacting:(A) modified diphenylmethane diisocyanates (A) liquid at 23.degree. C. obtained by reacting(A1) 4,4'-diphenylmethane diisocyanate or(A2) 2,4'-diphenylmethane diisocyanate or(A3) a diphenylmethane diisocyanate mixture with(A4) at least one polyoxypropylene polyol and/or(A5) at least one polyoxypropylene polyoxyethylene polyol containing 1 to 80 weight percent of ethylene oxide units whereby (A4) and (A5) have a functionality of 4 to 8 and a hydroxyl number of 150 to 500 and are obtained while using sucrose and/or preferably sorbitol as initiator molecules(A6) a mixture of (A4) and/or (A5) and at least one polyoxypropylene polyol and/or polyoxyethylene polyol initiated with glycerine and/or trimethylolpropane in a NCO:OH group ratio of 2.5:1 to 15:1 with(B) at least one compound having at least reactive hydrogen atoms which preferably contains no primary, secondary or tertiary amino groups in bonded form in the presence of or absence of(C) catalysts.The present invention also relates to a process for the preparation of polyurethane casting compositions and their use for medical-technical articles.

    摘要翻译： 本发明涉及通过使（A）在23℃下的改性二苯基甲烷二异氰酸酯（A）液体（A）通过使（A 1）4,4'二醇（A）反应得到的过热蒸汽灭菌的透明基本上非多孔聚氨酯流延组合物， （A2）2,4'-二苯基甲烷二异氰酸酯或（A3）二苯基甲烷二异氰酸酯混合物与（A4）至少一种聚氧丙烯多元醇和/或（A5）至少一种含有1至80重量％ 环氧乙烷单元，其中（A4）和（A5）具有4至8的官能度和150至500的羟值，并且当使用蔗糖和/或优选山梨醇作为引发剂分子（A6）时，得到（A4）和 /或（A5）和至少一种以甘油和​​/或三羟甲基丙烷起始的至少一种聚氧丙烯多元醇和/或聚氧乙烯多元醇，其中（B）至少一种具有至少反应性的化合物 水 在（C）催化剂存在或不存在下优选不含有键合形式的伯，仲或叔氨基的原子原子。 本发明还涉及制备聚氨酯浇铸组合物的方法及其在医疗技术制品中的用途。

    Production of low-shrinkage nylon moldings
    6.
    发明授权
    Production of low-shrinkage nylon moldings 失效
    生产低收缩尼龙成型品

    公开(公告)号：US4590242A

    公开(公告)日：1986-05-20

    申请号：US513839

    申请日：1983-07-14

    申请人： Peter Horn ,  Hellmut Bunsch ,  Anton Hesse ,  Matthias Marx ,  Dietmar Nissen ,  Walter Heckmann

    发明人： Peter Horn ,  Hellmut Bunsch ,  Anton Hesse ,  Matthias Marx ,  Dietmar Nissen ,  Walter Heckmann

    IPC分类号： C08G69/18 ,  C08F8/30 ,  C08F283/04 ,  C08L77/00

    CPC分类号： C08G69/18

    摘要： Low-shrinkage nylon moldings are produced by activated alkaline lactam polymerization, preferably using the reactive injection molding technique, by a process wherein the polymerization is carried out in the presence of from 5 to 80% by weight of a polymer P which1. is completely soluble in the lactam,2. separates out in the course of polymerization at a conversion of from 1 to 50%,3. is composed of one or more blocks which are compatible with polylactam and one or more blocks which are incompatible therewith, and preferably4. possesses functional groups which are incorporated into the growing polylactam chain.

    摘要翻译： 低收缩尼龙模制品通过活性碱性内酰胺聚合制备，优选使用反应性注射成型技术，其中聚合反应在5-80重量％聚合物P的存在下进行，聚合物P是完全 可溶于内酰胺，2.在聚合过程中以1至50％的转化率分离出来，3.由与多内酰胺相容的一个或多个嵌段和与其不相容的一个或多个嵌段组成，优选 4.具有并入生长的聚内酰胺链中的官能团。

    Polycarbonate styrene copolymer blends with improved properties
    10.
    发明授权
    Polycarbonate styrene copolymer blends with improved properties 失效
    具有改进性能的聚碳酸酯苯乙烯共聚物共混物

    公开(公告)号：US07265172B2

    公开(公告)日：2007-09-04

    申请号：US10510478

    申请日：2003-04-08

    申请人： Martin Weber ,  Xaver Hopfenspirger ,  Reinhard Jakobi ,  Walter Heckmann

    发明人： Martin Weber ,  Xaver Hopfenspirger ,  Reinhard Jakobi ,  Walter Heckmann

    IPC分类号： C08L69/00 ,  C08L51/04

    CPC分类号： C08L55/02 ,  C08F265/04 ,  C08L25/12 ,  C08L51/04 ,  C08L69/00 ,  C08L2205/035 ,  C08L2666/02 ,  C08L2666/14 ,  C08L2666/04

    摘要： Thermoplastic molding composition comprising components A, B, C and D and, if appropriate, E, F, G and H, A) from 1 to 97.5% by weight of at least one aromatic polycarbonate A, B) from 1 to 97.5% by weight of at least one graft polymer B made from b1) from 40 to 80% by weight of a graft base made from an elastomeric polymer B1, b2) from 20 to 60% by weight of a graft B2 made from b21) from 60 to 95% by weight of styrene or of substituted styrenes B21 and b22) from 5 to 40% by weight of at least one unsaturated nitrile B22, C) from 1 to 97.5% by weight of at least one thermoplastic copolymer C made from c1) from 60 to 85% by weight of styrene or of substituted styrenes C1 or mixtures thereof and c2) from 15 to 40% by weight of at least one unsaturated nitrile C2, D) from 0.5 to 50% by weight of at least one copolymer D, obtainable via reaction of d1) from 5 to 95% by weight of at least one thermoplastic methacrylate polymer D1 containing at least one type of functional groups selected from epoxy, carboxy, hydroxy, anhydride and oxazoline, with d2) from 5 to 95% by weight of at least one thermoplastic polyester D2, E) from 0 to 40% by weight of at least one filler E, F) from 0 to 2% by weight of at least one organic acid F, G) from 0 to 25% by weight of at least one halogen-free phosphorus compound G, H) from 0 to 45% by weight of other additives H.

    摘要翻译： 包含组分A，B，C和D以及如果合适的话，E，F，G和H的热塑性模塑组合物，A）1至97.5重量％的至少一种芳族聚碳酸酯A，B）1至97.5％ 由b1）制成的至少一种接枝聚合物B的重量为40〜80重量％的由弹性体聚合物B1制成的接枝基料，b2）20〜60重量％的由b21制得的接枝体B2从60〜 95重量％的苯乙烯或取代的苯乙烯B21和b22）5至40重量％的至少一种不饱和腈B22，C）1至97.5重量％的至少一种由c1）制成的热塑性共聚物C 60至85重量％的苯乙烯或取代的苯乙烯或其混合物，c2）15至40重量％的至少一种不饱和腈C2，D）0.5至50重量％的至少一种共聚物D， 可通过d1）5至95重量％的至少一种含至少一种选自以下的官能团的热塑性甲基丙烯酸酯聚合物D1 环氧基，羧基，羟基，酸酐和恶唑啉，d2）5至95重量％的至少一种热塑性聚酯D2，E）0至40重量％的至少一种填料E，F）0至 2重量％的至少一种有机酸F，G）0至25重量％的至少一种无卤素磷化合物G，H）0至45重量％的其它添加剂H.