Improvements in the production of alkyls

    公开(公告)号:GB840619A

    公开(公告)日:1960-07-06

    申请号:GB59959

    申请日:1959-01-07

    Applicant: BASF AG

    Inventor: MUELLER HERBERT

    Abstract: Silicon tetra-alkyls are prepared by reacting an aluminium alkyl or alkyl halide with a silicon tetrahalide, adding sodium fluoride to complex with the more highly halogenated aluminium alkyls formed in the reaction, distilling off the silicon alkyl and decomposing the complex into aluminium trialkyl and sodium aluminium fluoride by thermal splitting. In Example (5) SiCl4 was added to a benzene solution of Al(C2H5)3 with subsequent stirring and heating to 80 DEG C. NaF was then added and the mixture further heated. Si(C2H5)4 (b.p. 62 DEG C. at 40 mm. Hg) was distilled off in vacuo after removal of solvent.ALSO:Alkyls of elements of Group IVB and VB (other than carbon and nitrogen) are prepared by reacting aluminium alkyls or alkyl halides with the corresponding halides, adding sodium fluoride to complex with the more highly halogenated aluminium alkyls formed in the reaction, distilling off the desired alkyl and decomposing the complex into aluminium trialkyl and sodium aluminium fluoride by thermal splitting.

    PROCESS FOR THE PREPARATION OF ELASTIC, NONCELLULAR OR CELLULAR POLYURETHANE- OR POLYURETHANE-POLYUREA MOLDED ARTICLES

    公开(公告)号:CA1328704C

    公开(公告)日:1994-04-19

    申请号:CA534204

    申请日:1987-04-08

    Applicant: BASF AG

    Abstract: PROCESS FOR THE PREPARATION OF ELASTIC, NONCELLULAR OR CELLULAR POLYURETHANE- OR POLYURETHANE-POLYUREA MOLDED ARTICLES The invention relates to a process for the preparation of elastic, noncellular or cellular polyurethane molded articles or polyurethane-polyurea molded articles through reactions of a) an organic polyisocyanate, b) a polyester polyol having a hydroxyl number of from about 25 to 100 and an acid number of less than 2, prepared through the polycondensation of organic dicarboxylic acids with at least one polyoxytetramethylene glycol having a molecular weight of from about 162 to 600, or a mixture comprised of the said polyoxytetramethylene glycols with aliphatic diols and/or polyoxyalkylene glycols having a molecular weight of from about 106 to 1000, c) a chain extending agent in the presence of d) a catalyst and, optionally, e) a blowing agent, f) an auxiliary agent and/or additive.

    PREPARATION OF AMINES
    85.
    发明专利

    公开(公告)号:CA1212963A

    公开(公告)日:1986-10-21

    申请号:CA443277

    申请日:1983-12-14

    Applicant: BASF AG

    Abstract: The invention relates to a process for the preparation of primary, secondary and tertiary amines by reacting ammonia or a primary amine with a primary or secondary monohydric or polyhydric alcohol over a copper catalyst such as that which forms of its own accord from copper formate under the reaction conditions. This process allows to prepare aliphatic and cycloaliphatic amines and aralkylamines by a route which permits a high yield of the desired products, produces few contaminating by-products and requires only minimal use of catalyst.

    Consolidation of soil
    88.
    发明专利

    公开(公告)号:GB1072460A

    公开(公告)日:1967-06-14

    申请号:GB3701064

    申请日:1964-09-10

    Applicant: BASF AG

    Abstract: 1,072,460. Consolidating soil. BADISCHE ANILIN- & SODA-FABRIK A. G. Sept. 10, 1964 [Sept. 14, 1963], No. 37010/64. Heading E1F. Homopolymers or copolymers of a 1.3 diene, particularly 1.3 butadiene, of molecular weight 500 to 40,000 are cured by the action of air under atmospheric conditions in a process for consolidation of earth and rock, with which they are incorporated.

    Production of co-oligomers of 1,3-dienes and compounds with activated olefinic double bonds

    公开(公告)号:GB1014541A

    公开(公告)日:1965-12-31

    申请号:GB3380362

    申请日:1962-09-04

    Applicant: BASF AG

    Abstract: Co-oligomers of 1,3-dienes and compounds containing an olefine group a ,b - to an aromatic group are obtained by reacting the starting materials at 0-250 DEG C. in the presence of a zero-valent compound of iron, cobalt or nickel. The principal products contain a mol. ratio of diene: olefine of 1:2 in the case of aryl olefines and 1:1 in other cases and include the new compounds C6H5-CH = CH-CH2-CR1 = CR11-CH2-CR1 = CR11-CH3 in which R1 and R11 are hydrogen or methyl, obtained from styrene and butadiene, isoprene or dimethylbutadiene. Other diene starting materials include 2-ethylbutadiene, pentadiene-1,3, hexadiene-2,4, cyclohexadiene-1,3, cyclo-octadiene-1,3, 1-vinylcyclohexene-1, 3-methylheptatriene-1,4,6, and octatriene-1,3,6. Aryl olefins may contain benzene, naphthalene or anthracene, and the olefinic substituent, of which there may be a plurality, being vinyl or a - or b -methyl vinyl. The catalyst may be a carbonyl or carbonyl hydride or such a compound in which one or more ligands have been replaced by a trivalent phosphorus, arsenic and/or antimony compound or a nitrile, thioether, or amine including heterocyclic amine compounds or complexes of the metal with an aromatic hydrocarbon and aluminium halide or with an olefin or acetylene. The catalyst may be formed from an ordinary compound and a reducing agent in the presence of an electron donor; the reducing agent may be a metal or hydride or organoderivative thereof and the electron donor may be a tertiary amine, phosphine, phosphine oxide, ester or substituted triamide of phosphorous acid, ester of thiophosphorous acid, arsine, stilbine, bismuth hydrocarbyl ether, ethioether, sulphoxide, sulphone, mercaptan or an olefinic or acetylinic compound. A hydrocarbon halogenohydrocarbon or ether solvent is preferably present during the formation of the catalyst and the subsequent oligomerization. Where an aluminium halide is formed or used in the catalyst preparation a polymerization inhibitor is preferably added or a complexing agent for the halide. The following co-oligomers are exemplified:-styrene, butadiene; styrene: isoprene; ethylvinylbenzene / divinylbenzene : butadiene; a - methylstyrene : butadiene; b -methylstyrene : butadiene; 1 - vinylnaphthalene : butadiene; styrene: 2,3-dimethybutadiene; styrene : 1-vinylcyclohexene-1; and styrene : cyclopentadiene.ALSO:Co-oligomers of 1,3-dienes and compounds containing an olefine group a ,b - to an aromatic (including "aromatic" heterocyclic), ether, thioether, or carboxylic salt, ester, anhydride, amide, N-substituted amide or nitrile group are obtained by reacting the starting materials at 0-250 DEG C. in the presence of a zero-valent compound of iron, cobalt or nickel. The principal products contain a mol ratio of diene; olefine of 1 : 2 in the case of aryl olefines and 1 : 1 in other cases and include the new compounds CH2 = CR1-CR11 = CH-CH2-CH2-COOR in which R1 and R11 are hydrogen or methyl and R is a C1-C12 hydrocarbon group obtained from an acrylic ester and butadiene, isoprene or dimethylbutadiene. Other diene starting materials include 1-methoxybutadiene, 2-ethyl-butadiene, pentadiene - 1,3, hexadiene - 2,4, cyclohexadiene - 1,3, cyclooctadiene - 1,3, 1-vinylcyclohexene - 1, 3 - methylheptatriene-1,4,6, and octatriene - 1,3,6. Aryl olefins may contain halogen, alkoxy, aryloxy, dialkylamino, carbalkoxy, or nitro groups, the aryl group being benzene, naphthalene, anthracene, pyridine or thiophene and the olefinic substituent, of which there may be a plurality, being vinyl or a - or b -methyl vinyl. Suitable alkenyl ethers or thioethers have a saturated or aromatic hydrocarbon group attached to the oxygen or sulphur. The unsaturated carboxylic acid derivative may be derived from maleic, fumaric, 2-hexenoic, crotonic, methacrylic or acrylic acid. The catalyst may be a carbonyl or carbonyl hydride or such a compound in which one or more ligands have been replaced by a trivalent phosphorus, arsenic and/or antimony compound or a nitrile, thioether, or amine (including heterocyclic amine) compounds or complexes of the metal with an aromatic hydrocarbon and aluminium halide or with an olefin or acetylene. The catalyst may be formed from an ordinary compound and a reducing agent in the presence of an electron donor; the reducing agent may be a metal or hydride or organo-derivative thereof and the electron donor may be a tertiary amine, phosphine, phosphine oxide, ester or substituted triamide of phosphorous acid, ester of thiophosphorous acid arsine, stilbine, bismuth hydrocarbyl, ether, thioether, sulphoxide, sulphone, mercaptan or an olefinic or acetylenic compound. A hydrocarbon halogenohydrocarbon or ether solvent is preferably present during the formation of the catalyst and the subsequent oligomerization. Where an aluminium halide is formed or used in the catalyst preparation a polymerization inhibitor is preferably added or a complexing agent for the halide. The following co-oligomers are exemplified: p-methoxystyrene: butadiene; 2,4 - dichlorostyrene: butadiene; vinyl isobutyl ether: butadiene; tert. butyl acrylate: butadiene; ethyl acrylate: isoprene; ethyl acrylate: butadiene; acrylamide: butadiene; acrylonitrile: butadiene; tert. butyl acrylate: 3 - methylheptatriene - 1,3,6; ethyl acrylate: 2,3 - dimethylbutadiene and 2 - vinylpyridine: butadiene.

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