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    Production of chlorofluorocarbon-free, urethane-containing moldings having a cellular core and a compacted peripheral zone
    2.
    发明授权
    Production of chlorofluorocarbon-free, urethane-containing moldings having a cellular core and a compacted peripheral zone 失效
    生产不含氟碳的含氨基甲酸酯的模制品，其具有多孔芯和压实的周边区

    公开(公告)号：US5334620A

    公开(公告)日：1994-08-02

    申请号：US896295

    申请日：1992-06-10

    申请人： Peter Horn ,  Ulrich Mueller ,  Wolfgang Hoelderich ,  Ulf Sattler ,  Rudolf Taddey ,  Dieter Tintelnot

    发明人： Peter Horn ,  Ulrich Mueller ,  Wolfgang Hoelderich ,  Ulf Sattler ,  Rudolf Taddey ,  Dieter Tintelnot

    IPC分类号： C08J9/00 ,  C08J9/34 ,  C08J9/08 ,  C08J9/12 ,  C08K3/36

    CPC分类号： C08J9/34 ,  C08J9/0066 ,  C08J2375/04

    摘要： A process for the production of fluorochlorocarbon-free, urethane-containing, soft-elastic, semirigid or rigid moldings having a cellular core and a compacted peripheral zone and an essentially pore-free, smooth surface involves reactinga) an organic and/or modified organic polyisocyanate withb) at least one relatively high-molecular-weight compound containing at least two reactive hydrogen atoms, and, if desired,c) a low-molecular-weight chain extender and/or cross-linking agent,in the presence ofd) a blowing agent,e) a catalyst,f) at least one amorphous, microporous silica gel which preferably has a mean pore diameter with a frequency of occurrence of more than 40% in the range from 0.1 to 10 nm, a pore volume of from 0.15 to 1.8 ml/g and a BET surface area of from 200 to 900 m.sup.2 /g, and, if desired, further additives andg) assistants,in a closed mold with compaction.

    摘要翻译： 一种生产含氟氯碳化合物，含氨基甲酸酯的软弹性半刚性或刚性模制品的方法，其具有多孔芯和压实的周边区域以及基本上无孔的光滑表面包括使a）有机和/或改性的 有机多异氰酸酯，b）至少一种含有至少两个反应性氢原子的相对高分子量化合物，如果需要，c）低分子量增链剂和/或交联剂，在 d）发泡剂，e）催化剂，f）至少一种无定形微孔硅胶，其优选具有在0.1-10nm范围内发生频率大于40％的平均孔径，孔体积 为0.15至1.8ml / g，BET表面积为200至900m2 / g，如果需要，还有添加剂和g）辅助剂，在密闭模具中进行压实。

    Preparation of essentially alkali-free borosilicate crystals having a zeolite structure
    5.
    发明授权
    Preparation of essentially alkali-free borosilicate crystals having a zeolite structure 失效
    制备具有沸石结构的基本上无碱的硼硅酸盐晶体

    公开(公告)号：US5409682A

    公开(公告)日：1995-04-25

    申请号：US172871

    申请日：1993-12-23

    申请人： Ulrich Mueller ,  Wolfgang Hoelderich

    发明人： Ulrich Mueller ,  Wolfgang Hoelderich

    IPC分类号： B01J20/10 ,  B01J20/18 ,  B01J29/86 ,  C01B35/10 ,  C01B39/12 ,  C01B33/20

    CPC分类号： B01J29/86 ,  C01B35/1009

    摘要： Essentially alkali-free borosilicate crystals having a zeolite structure and a size of from 2 to 150 .mu.m, measured over the longitudinal crystallite axis, are prepared by a process in which an SiO.sub.2 -containing mixture of water, a tetraalkylammonium compound, a boron component and ammonia is reacted hydrothermally in the absence of a metal hydroxide or of a metal salt in a molar ratio of ammonia/tetraalkylammonium of from 3:1 to 150:1.

    摘要翻译： 通过以下方法制备具有沸石结构和尺寸为2至150μm的基本无碱硼硅酸盐晶体，其中所述方法是将水，四烷基铵化合物，硼组分 氨在氨/四烷基铵的摩尔比为3:1至150:1的情况下在不存在金属氢氧化物或金属盐的情况下水热反应。

    Preparation of essentially alkali-free titanium zeolites
    8.
    发明授权
    Preparation of essentially alkali-free titanium zeolites 失效
    碱性无碱钛沸石的制备

    公开(公告)号：US5401486A

    公开(公告)日：1995-03-28

    申请号：US164425

    申请日：1993-12-08

    申请人： Ulrich Mueller ,  Wolfgang Hoelderich

    发明人： Ulrich Mueller ,  Wolfgang Hoelderich

    IPC分类号： B01J29/89 ,  C01B37/00 ,  C07C249/04 ,  C01B33/34

    CPC分类号： B01J29/89 ,  C01B37/005 ,  C07C249/04 ,  Y10S423/22

    摘要： A process for preparing essentially alkali-free titanium silicate crystals having a zeolite structure, comprises reacting an SiO.sub.2 -containing mixture of water, a tetraalkylammonium compound, a titanium component and ammonia in the absence of a metal hydroxide or salt under hydrothermal conditions in a molar ratio of ammonia/tetraalkylammonium of from 3:1 to 200:1.

    摘要翻译： 基本上制备具有沸石结构的无碱钛硅酸盐晶体的方法，包括在水热条件下在不存在金属氢氧化物或盐的情况下使含有SiO 2的水，四烷基铵化合物，钛组分和氨的混合物在摩尔 氨/四烷基铵的比例为3：1至200：1。