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    Polyurethane catalysts
    1.
    发明授权
    Polyurethane catalysts 失效
    聚氨酯催化剂

    公开(公告)号：US3620984A

    公开(公告)日：1971-11-16

    申请号：US3620984D

    申请日：1968-06-25

    Applicant: BAYER AG

    Inventor： DAHM MANFRED ,  NIEDERPRUM HANS ,  SIMMLER WALTER

    IPC: C08G18/16 ,  C08G18/18 ,  C08G18/20 ,  C08G22/44 ,  C08G53/08

    CPC classification number: C08G18/163 ,  C08G18/1883 ,  C08G18/20 ,  C08G18/209

    Abstract: Polyurethane foams are prepared in the presence of a compound containing the grouping
    WHEREIN R1 and R2 are the same or different alkyl, cycloalkyl, alkoxyalkyl, alkenyl or aralkyl radicals or are members of a common cycloaliphatic or heterocyclic structure when the silicon atom is part of a silane or lower polysiloxane grouping; or R1 has the above meaning and R2 denotes an hydroxylalkyl or aminoalkyl group attached to the silicon atom through the oxygen or nitrogen atoms respectively. The invention contemplates complexes or mixtures of these compounds with organic metallic compounds also as catalysts. In addition new activator mixtures containing these catalysts are contemplated.

    Perfluoroalkyl sulphinic acids and a process for their production
    3.
    发明授权
    Perfluoroalkyl sulphinic acids and a process for their production 失效
    全氟烷基亚磺酸及其生产工艺

    公开(公告)号：US3919301A

    公开(公告)日：1975-11-11

    申请号：US29068072

    申请日：1972-09-20

    Applicant: BAYER AG

    Inventor： ROESKY HERBERT WALTER ,  NIEDERPRUM HANS ,  WECHSBERG MANFRED

    IPC: C07C313/04 ,  C07C67/00 ,  C07C313/00 ,  C07C313/02 ,  C07C145/00

    CPC classification number: C07C313/04

    Abstract: Perfluoroalkyl sulfinic acids of the formula RFSO2H wherein RF is a perfluoroalkyl radical, ARE PRODUCED BY CONTACTING THE CORRESPONDING PERFLUOROALKYL SULFINIC ACID FLUORIDE WITH HYDRAZINE IN WATER OR AN ORGANIC SOLVENT AT ABOUT 30*TO 100*C to form the hydrazonium salt. Upon addition of acid the free perfluoroalkyl sulfinic acid is liberated and may be purified by distillation or crystallization. Those compounds wherein RF has from 2 to 12 carbon atoms are new.

    Abstract translation: 式RFSO2H的全氟烷基亚磺酸，其中RF是全氟烷基，其是通过在约30℃至100℃下在水中或有机溶剂中接触相应的全氟烷基硫酸氟化物制备的，以形成肼鎓盐。 加入酸后游离的全氟烷基亚磺酸被释放出来，可通过蒸馏或结晶进行纯化。 其中RF具有2至12个碳原子的那些化合物是新的。

    Methyl-(acyloxymethyl)-acyloxy-silicon compounds
    5.
    发明授权
    Methyl-(acyloxymethyl)-acyloxy-silicon compounds 失效
    甲基 - （乙酰甲基） - 乙氧基硅化合物

    公开(公告)号：US3494950A

    公开(公告)日：1970-02-10

    申请号：US3494950D

    申请日：1966-05-25

    Applicant: BAYER AG

    Inventor： SIMMLER WALTER ,  SATTLEGGER HANS ,  NIEDERPRUM HANS

    IPC: C07F7/08 ,  C07F7/18 ,  C08G77/00 ,  C08G77/48 ,  C08F11/04

    CPC classification number: C07F7/1896 ,  C07F7/0858 ,  C08G77/00 ,  C08G77/48

    Abstract: The novel methyl-(acyloxymethyl)-acyloxy silicon compounds of the formula where Y is CH3, -O-A or and -O-A is a carboxylic acid radical are obtained by adding a mono- or di-carboxylic acid to a mixture of a methyl-(halomethyl)-chlorosilane of the formula in which Hal is Cl or Br and X is CH3 or Cl, and a tertiary amine, a mono- or di-carboxylic acid. The radical -O-A may be a formic, acetic, propionic, stearic, methacrylic, benzoic, oxalic, glutaric, adipic, phthalic, isophthalic or terephthalic acid radical. In the case of a dicarboxylic acid, compounds having unit formula may be obtained where R is an alkylene radical of 1 to 4 carbon atoms or a phenylene radical and n is 0 or 1. A suitable tertiary amine is triethylamino. The reaction may be carried out in an inert solvent e.g. toluene or xylene. The compounds prepared in the examples are dimethyl - (acetoxymethyl) - acetoxy silane, dimethyl - (methacryloxymethyl) - methacryloxy silane, methyl - (acetoxymethyl) - diacetoxysilane, 1,3 - dimethyl - 1,3 - di(acetoxymethyl)-diacetoxy -disoloxane and a polyester consisting of alternating adipic acid anhydride units and dimethyl-(oxymethyl)-silyl units.

    Method of preparing 4-alkyl-2,2-dimethyl-2-silamorpholines
    9.
    发明授权
    Method of preparing 4-alkyl-2,2-dimethyl-2-silamorpholines 失效
    制备4-烷基-2,2-二甲基-2-硅烷的方法

    公开(公告)号：US3448137A

    公开(公告)日：1969-06-03

    申请号：US3448137D

    申请日：1966-03-24

    Applicant: BAYER AG

    Inventor： NIEDERPRUM HANS ,  SIMMLER WALTER

    IPC: C07F7/18 ,  C07F7/10

    CPC classification number: C07F7/1844

    Abstract: 4 - Alkyl - 2,2 - dimethyl - 2 - silamorpholines of the general formula where R is an alkyl radical having 1 to 6 carbon atoms are prepared by reacting a halomethyl-dimethyl silane derivative of the general formula X-Si(CH3)2-CH2-Y, where X is chlorine or an alkoxyl radical having 1 to 3 carbon atoms and Y is chlorine or bromine, with a b -(alkylamino)-ethanol of the general formula R-NH-CH2-CH2-OH where R is as above, and a tertiary nitrogen base in an inert solvent, mixing the unseparated mixture of reaction products with an alkali metal hydroxide in aqueous solution, removing the non-aqueous phase which contains the tertiary nitrogen bases and decomposing this phase by fractional distillation. The unseparated mixture of reaction products may first be dissolved in aqueous hydrochloric acid, separated from the solvent which is precipitated and then mixed with the alkali metal hydroxide. The preparations of 2,2,4-trimethyl-2-silamorpholino, 4-ethyl-2,2-dimethyl-2-silamorpholine, and 4-n-propyl-2,2-dimethyl-2-silamorpholine, and 4-n-butyl-2,2-dimethyl-2-silamorpholine are described in the examples. A suitable tertiary nitrogen base is methylamine and a suitable inert solvent is benzene.

    Abstract translation: 4-烷基-2,2-二甲基-2-甲基吗啉，通式为：其中R为具有1-6个碳原子的烷基，通过使式 通式X-Si（CH 3）2 -CH 2 -Y，其中X是氯或具有1至3个碳原子的烷氧基，Y是氯或溴，与通式为R-NH的ab-（烷基氨基） - 乙醇 -CH 2 -CH 2 -OH（其中R如上所述）和叔氮碱在惰性溶剂中，将未分离的反应产物的混合物与碱金属氢氧化物在水溶液中混合，除去含有叔氮碱的非水相 并通过分馏分解该相。 反应产物的未分离的混合物可以首先溶解在盐酸水溶液中，与沉淀的溶剂分离，然后与碱金属氢氧化物混合。 2,2,4-三甲基-2-硅溶胶蛋白，4-乙基-2,2-二甲基-2-硅基吗啉和4-正丙基-2,2-二甲基-2-硅烷基吗啉和4-n 丁基-2,2-二甲基-2-硅烷基吗啉描述于实施例中。 合适的叔氮碱是甲胺，合适的惰性溶剂是苯。

    Process for the production of 2,2,6,6-tetramethyl-2,6-disila-1,4-dioxan
    10.
    发明授权
    Process for the production of 2,2,6,6-tetramethyl-2,6-disila-1,4-dioxan 失效
    生产2,2,6,6-四甲基-2,6-二甲苯-1,4-二氧化物的方法

    公开(公告)号：US3437679A

    公开(公告)日：1969-04-08

    申请号：US3437679D

    申请日：1966-07-06

    Applicant: BAYER AG

    Inventor： SIMMLER WALTER ,  NIEDERPRUM HANS ,  SATTLEGGER HANS

    IPC: C07F7/08 ,  C07D103/02

    CPC classification number: C07F7/0889 ,  C07F7/0841

    Abstract: 2,2,6,6 - Tetra - methyl - 2,6 - disila - 1,4-dioxan is prepared by heating 1,3-di-(hydroxymethyl) tetramethyl disiloxane in the presence of p-toluene sulphonic acid as catalyst in a column distillation apparatus to a temperature in the range 100 DEG to 150 DEG C. at atmospheric pressure until about 0.8 mol water per mol of disiloxane has distilled over together with part of the product, adding to the reaction mixture a further catalytic amount of p-toluene sulphonic acid and then heating the mixture under reduced pressure at 120 DEG to 180 DEG C. to distil over the remainder of the product. The 1,3-di-(hydroxymethyl)-tetramethyl disiloxane is obtained by transesterification of a 1,3-di-(acyloxymethyl)-tetramethyl disiloxane, a dimethyl-(acyloxymethyl)-acyloxysilane or a dimethyl-(acyloxymethyl)-alkoxy silane with excess methanol in the presence of p-toluene sulphonic acid and the process can be effected using this transesterification product in the raw state directly.

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