公开(公告)号：DE50003514D1

公开(公告)日：2003-10-09

申请号：DE50003514

申请日：2000-11-04

Applicant: DEGUSSA

Inventor： KRAFCZYK DR ,  MUENZENBERG DR ,  ZEZULKA GERD RAINHARD

IPC: C07F9/165

Abstract: A process for the production of sulfur- and phosphorus-containing silane compounds comprises reaction of a halogen containing silane with phosphorus pentasulfide and a metal sulfide. A process for the production of sulfur- and phosphorus-containing compounds of formula (R n(R O)3-n-Si-Alk-S-)3P=S (1) comprises reaction of a halogen-containing silane of formula R n(R O)3-n-Si-Alk-Hal (2) with phosphorus pentasulfide (P4S10) and a metal sulfide. Alk = 1-10C alkylene; R ,R each = 1-5C alkyl, 5-8C cycloalkyl, phenyl, benzyl or 2-methoxyethyl; Hal = halogen; and n = 0-2.

公开(公告)号：DE59806910D1

公开(公告)日：2003-02-20

申请号：DE59806910

申请日：1998-07-01

Applicant: DEGUSSA

Inventor： GOEBEL DR ,  DESCHLER DR ,  MUENZENBERG DR ,  ZEZULKA GERD

IPC: C07F7/18 ,  C08L101/00

Abstract: Mixtures of bis(organosilyl)sulphanes (IA) and organosilyl thiocyanates (IB) of formula: (R R R SiR )xX (I) (Where: X = Sn; n = 2-20, especially 2-8 if x = 2; and X = SCN if x = 1 (thiocyanato-silane); (a) R , R , R = 1-8 carbon (C) alkyl and/or alkoxy or (b) at least one of R , R , R = alkoxy, the rest = H or monovalent aryl, especially phenyl, tolyl or benzyl; R = divalent 1-8, especially 2-4 C alkylidene or -(CH2)y-Phe-(CH2)y-; Phe = phenylene; y = 1-4.) Also claimed is a method of producing the mixtures.

公开(公告)号：DE59608364D1

公开(公告)日：2002-01-17

申请号：DE59608364

申请日：1996-09-23

Applicant: DEGUSSA

Inventor： GOEBEL DR ,  MUENZENBERG DR

IPC: C07F7/08 ,  C07F7/18

Abstract: Preparation of bis(silylalkyl)disulphanes of formula (R R R SiR )2S2 (I) comprises (1) reacting silylalkyl polysulphide(s) of formula (R R R SiR )2Sn (II) with a nucleophilic compound (III) of formula M CN (IIIA), M 2SO3 (IIIB) or R R R P (IIIC) in an amount equimolar to the number of sulphur atoms to be removed from (II); (2) filtering the resultant solid; and (3) purifying (I). In the formulae, R -R , R -R = 1-8C alkyl and/or alkoxy, H or monovalent aryl, preferably phenyl, toluyl or benzyl; R = divalent 1-8C, preferably 2-4C alkylidene or a group of formula (IV); n = 3-20, preferably 3-10; and M = an alkali cation, optionally substituted ammonium ion or half alkaline earth or zinc ion. Preferably a mixture of (IIIA), (IIIB) and (IIIC) is used. Reaction is carried out in the presence of a solvent for (III) at a temperature between 20 degrees C and the b.pt. of the solvent, especially in a 2-phase system in the presence of a phase transfer catalyst.

公开(公告)号：DE50004141D1

公开(公告)日：2003-11-27

申请号：DE50004141

申请日：2000-09-13

Applicant: DEGUSSA

Inventor： LUGINSLAND DR ,  BATZ-SOHN DR ,  MUENZENBERG DR ,  ZEZULKA GERD RAINHARD

IPC: B60C1/00 ,  C07F7/08 ,  C07F7/12 ,  C07F7/18 ,  C07F19/00 ,  C08J5/00 ,  C08K3/00 ,  C08K3/36 ,  C08K5/548 ,  C08L21/00

Abstract: A novel organosilicon compound is claimed. The novel organosilicon compound is of formula R )(R )Si-R -S-Zn-S-R -Si(R )(R )(R (I). R - R = H, halogen or optionally branched alkyl or alkoxyl; and R = optionally branched alkylidene. Independent claims are also included for: (a) the preparation of (I) by reaction of a mercaptan compound of formula R )(R )Si-R -S-H (II) and a zinc alcoholate; (b) rubber mixtures containing compound (s) (I), rubber, filler and optional rubber additives; (c) preparation of the rubber mixtures by reaction of the components given in (b); and (d) mould forms comprising the rubber mixtures.

公开(公告)号：DE59806324D1

公开(公告)日：2003-01-02

申请号：DE59806324

申请日：1998-06-30

Applicant: DEGUSSA

Inventor： MUENZENBERG DR ,  WILL WERNER ,  ZEZULKA GERD

IPC: C07F7/08 ,  C07F7/18

Abstract: Two-stage preparation of highly pure organosilicon disulfans of formula Z-Alk-S2-Alk-Z (I) comprises (1) dissolving or suspending sulfur (S) and an anhydrous sulfide of formula Me2S (II) in 1:(0.2-0.9) molar ratio and treating the solution or suspension with an organosilicon compound of formula Z-Alk-Hal (III), with a molar ratio of (III) to sulfur of (1.2-2):1; and (2) adding more (II) after reaction, in an amount approximately equimolar to the total amounts of (II) and S used for reaction, and isolating (I); in which Z = -Si(R )2R , -Si(R )(R )2 or -Si(R )3; R = 1-5C alkyl, 5-8C cycloalkyl, benzyl or a phenyl group optionally substituted by methyl (Me), ethyl (Et) or chlorine (Cl); R = 1-5C alkoxy, 5-8C cycloalkoxy, phenoxy or benzyloxy; Alk = a 1-10C divalent, saturated linear or branched hydrocarbon group or -CH2-Phe-CH2-; Phe = phenylene; Me = ammonium, an alkali metal or one equivalent of an alkaline earth metal or zinc; Hal = Cl or bromine (Br).

公开(公告)号：DE50103173D1

公开(公告)日：2004-09-16

申请号：DE50103173

申请日：2001-02-14

Applicant: DEGUSSA

Inventor： MICHEL RUDOLF ,  MUENZENBERG DR ,  WERNER WILLI ,  ZEZULKA GERD RAINHARD

IPC: C07F7/18

Abstract: Production of organosilylalkyl polysufides (I) by reacting an organosilylalkyl halide (II) with an anhydrous ionic sulfide (III) and elemental sulfur comprises adding (III) to a suspension of elemental sulfur and (II) in a polar organic solvent. Production of organosilylalkyl polysufides of formula (I) by reacting an organosilylalkyl halide of formula (II) with an anhydrous ionic sulfide of formula (III) and elemental sulfur comprises adding (III) to a suspension of elemental sulfur and (II) in a polar organic solvent: (R 1>R 2>R 3>SiR 4>)S x (I) , R 1>R 2>R 3>SiR 4>X (II) and M 2S (III) R 1>-R 3>1-8C alkyl, 1-8C alkoxy or aryl, at least one being alkoxy; R 4>1-8C alkylene or (CH 2) n-C 6H 4-(CH 2) n; n : 1-4; x : more than 1; X : Cl, Br or I; M : an alkali metal or ammonium cation or half an alkaline earth metal or zinc cation.

公开(公告)号：DE59710608D1

公开(公告)日：2003-09-25

申请号：DE59710608

申请日：1997-11-14

Applicant: DEGUSSA

Inventor： MUENZENBERG DR ,  PANSTER DR ,  PRINZ MATTHIAS

IPC: C07F7/08 ,  C01B17/38 ,  C01B17/42 ,  C01D13/00 ,  C01G9/00 ,  C07F7/18

Abstract: A method for the preparation of bis(silyl-organyl)-poly-sulphane of formula (I) comprises reacting halo(alkyl)alkoxysilane of formula (II) with a polysulphide of formula (III): (R R R SiR )2Sx (I) R R R SiR X (II) M2Sx (III) R -R = 1-8C alkyl, 1-8C alkoxy or aryl (preferably phenyl, toluyl or benzyl); R = 1-8 (1-4)C alkylidene or (CH2)n-C6H4-(CH2)n-; n = 1-4; x = greater than 1 (2-8) for (I), or 2-8 for polysulphide; X = halogen, eg. Cl, Br or I; and M = alkali metal cation or an alkaline earth metal or zinc cation equivalent, with the provision that at R -R