SULPHUR-CONTAINING ORGANO-OXYSILANES

    公开(公告)号:CA975366A

    公开(公告)日:1975-09-30

    申请号:CA118440

    申请日:1971-07-16

    Applicant: DEGUSSA

    Abstract: 1355265 Sulphur-containing silanes; rubber compositions DEUTSCHE GOLD-UND SILBER-SCHEIDEANSTALT 19 July 1971 [18 July 1970] 33710/71 Headings C3S C3E C3P and C3Q Novel sulphur-containing silanes of the formula A-X-Z, wherein A denotes -SCN, R 2 S-CSS- or (R 3 ) 2 N-CSS-, R denotes H, -SH or -N(R 1 ) 2 , R 1 denotes H, phenyl or C 1-5 alkyl, R 2 denotes a monovalent C 1-15 hydrocarbon or heterocyclic radical, R 3 denotes H or a monovalent C 1-15 hydrocarbon radical, or both R 3 substituents together with the nitrogen atom form a heterocyclic radical, X denotes a C 3-18 divalent hydrocarbon radical optionally interrupted by O, S and/or N atoms and optionally substituted by halogen, pseudohalogen, phenyl, halophenyl, (C 1-3 alkyl)phenyl or di(C 1-3 alkyl)- phenyl, Z denotes -SiR 4 (OR 5 ) 2 , -Si(OR 5 ) 3 , and R 4 and R 5 independently denote -CH 3 , -CH 2 CH 3 , -CH 2 CH 2 CH 3 , -CH(CH 3 ) 2 or -CH 2 CH 2 CH 2 CH 3 , and other silanes of the formula A-X-Z, wherein A alternatively denotes R 2 O-CSS-, are prepared by reacting halogen -X-Z with A-Me or with A-H in the presence of an acid binding agent, wherein halogen denotes Cl, Br or I and Me denotes ammonium, hydrocarbon-substituted ammonium, an alkali or alkaline earth metal, Mn, Fe, Co, Ni, Zn, Cd, Cu or Ag. Examples describe the preparation of 3-thiocyanatopropyl triethoxysilane, 3 - triethoxysilyl - propyl. ethyl - xanthogenate, 3 - thiocyanatopropyl tri - n - butoxysilane, and 2 - diethylamino- 4 - mercapto - 6 - (3 - triethoxy - silyl - propyl)- thiotriazine. The above compounds may be used either as vulcanization agents in the crosslinking of elastomers or as a binding agency between inorganic fillers and organic polymers, the required effects occurring in the presence of residual moisture in the mix and in the presence or absence of conventional accelerators or activators. Examples describe the vulcanization of styrene-butadiene and natural rubbers using the above compounds as vulcanizing agents added to the mix or used to pre-treat silica fillers, the vulcanization being carried out in the presence of sulphur and the presence or absence of conventional additives such as zinc oxide, stearic acid, dibenzothiazyl disulphide and diphenyl guanidine.

    Triazine derivatives
    76.
    发明专利

    公开(公告)号:GB934400A

    公开(公告)日:1963-08-21

    申请号:GB1561460

    申请日:1960-05-03

    Applicant: DEGUSSA

    Inventor: SCHWARZE WERNER

    Abstract: The invention comprises the compounds 2-ethylamino- 4-isopropylamino- 6-cyanomethylthio- 1,3,5-triazine; 2,4- bis-isopropylamino-6-cyanomethylthio-1,3,5-triazine; p 2,4-bis-ethylamino- 6-cyanomethylthio- 1,3,5-triazine and 2-isopropylamino-4-n-propylamino-6-cyanomethylthio-1,3,5-triazine. These and other cyanoalkylthio-triazines of the formula: wherein "Alk" represents a C1-3 alkylene radical and R1 to R4 represent hydrogen or C1-5 alkyl radicals, are prepared by reacting a mercapto triazine of the formula: with a compound of the formula Halogen-Alk-CN.ALSO:A composition for influencing plant growth as a herbicide, defoliant, soil sterilizer, fruit setting reducer or blossom delayer comprises a 6-cyanoalkylthio 1,3,5-triazine of the formula wherein "Alk" represents a C1-3 alkylene radical and R1 to R4 represent hydrogen or C1-5 alkyl radicals, together with a diluent. Diluents specified are water, alcohols, ketones, toluene, chloronaphthalene, diesel oil, xylene, kerosene, vegetable oils, clay, kaolin, kieselguhr, bentonite, talcum, calcium carbonate, silicon dioxide, wood charcoal and sawdust. Solutions or emulsions of the active ingredient may be mixed with or sprayed on to solid carrier materials and then dried. Also present may be adhesives such as glue, casein and alginic acid salts, and wetting agents, emulsifiers and stabilizers such as turkey red oil, salts of fatty acids, alkylenyl sulphonates, secondary alkyl sulphates, resinic acid salts, polyethylene ethers of fatty alcohols, fatty acids or fatty amines, quaternary ammonium compounds, lignin sulphonic acid, saponin, gelatine and/or casein.

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