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公开(公告)号:DE59905973D1
公开(公告)日:2003-07-24
申请号:DE59905973
申请日:1999-03-06
Applicant: DEGUSSA
Inventor: MACK DR , BARFURTH DIETER , EDELMANN ROLAND , FRINGS DR , HORN DR , JENKNER DR , LAVEN DR , MONKIEWICZ DR , STANDKE DR
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公开(公告)号:DE59909944D1
公开(公告)日:2004-08-19
申请号:DE59909944
申请日:1999-09-22
Applicant: DEGUSSA
Inventor: MACK DR , BARFURTH DIETER , EDELMANN ROLAND , FRINGS DR , HORN DR , JENKNER DR , LAVEN DR , MONKIEWICZ DR , STANDKE DR
IPC: C09K3/10 , C07F7/21 , C08G77/04 , C08G77/26 , C08L83/08 , C08L83/14 , C09D183/08 , C09D183/14 , C09J183/08 , C09J183/14
Abstract: Mixtures of linear and cyclic amino-functional siloxane oligomers containing: (i) 3-aminopropyl, N-(2-aminoethyl)-3-aminopropyl or N'-(2-aminoethyl)-N-(2-aminoethyl)-3-aminopropyl groups; (ii) optional alkoxy groups; and (iii) (cyclo)alkyl, alkenyl or aryl groups. Mixtures of chain-type and cyclic siloxane oligomers of formula (I) and (II): R = (i) groups of formula -(CH2)3-NH2, -(CH2)3-NHR', -(CH2)3-NH-(CH2)2-NH2 or -(CH2)3-NH-(CH2)2-NH-(CH2)2-NH2, with not more than one aminopropyl-functional group of this type attached to a silicon atom, (ii) methoxy, ethoxy, 2-methoxyethoxy and/or propoxy groups, with a silicon/alkoxy group mol ratio of at least 0.5 and optionally (iii) 1-18C alkyl, alkenyl, iso-alkyl or cycloalkyl, or 6-12C aryl; R' = linear, branched or cyclic 1-18C alkyl, or 6-12C aryl; m = more than 2 and less than 30; n = 3-30 An Independent claim is also included for a process for the production of these mixtures from mixtures of: (A) aminopropyl-functional trialkoxy- or methyldialkoxy-silanes; optionally (B) 1-18C alkyl-, alkenyl-, isoalkyl- or cycloalkyl-trialkoxysilanes and/or phenyl-trialkoxysilanes and/or corresponding methyldialkoxy silanes; and optionally (C) a tetra-alkoxysilane, by hydrolysis and condensation (in succession or as a mixture) at 10-95 degrees C with 0.6-1.2 mols water per 1 mol silicon and 0.1-5 times the weight of methanol or ethanol (based on alkoxysilanes), followed by distillation of alcohol at up to 120 degrees C under normal or reduced pressure.
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公开(公告)号:DE59510492D1
公开(公告)日:2003-01-16
申请号:DE59510492
申请日:1995-10-12
Applicant: DEGUSSA
Inventor: STANDKE DR , FLIEDNER DR , FRINGS DR , HORN DR , KOETSZCH DR , MONKIEWICZ DR , SREBNY DR
Abstract: Water-based, organopolysiloxane-contg. compsns. (A) are essentially free from organic solvent, have a flash pt. of more than 80 degrees C and generate no alcohol by hydrolysis when diluted with water. Also claimed is a process for the prodn. of compsns. (A).
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公开(公告)号:DE59509258D1
公开(公告)日:2001-06-21
申请号:DE59509258
申请日:1995-09-01
Applicant: DEGUSSA
Inventor: KROPFGANS DR , FRINGS DR , HORN DR , KOETZSCH DR , MONKIEWICZ DR , SEILER DR , SREBNY DR , STANDKE DR
IPC: C07F7/18
Abstract: Prepn of 3-(pseudo)haloalkyl-silane esters of formula (I) comprises catalysed reaction of unsatd aliphatic cpds contg a reactive allyl (pseudo)halide gp and terminal double bond, of formula (II), with a hydridosilane ester of formula (III) in the presence of gp. VIII element and/or cpd. The novel features are that (a) a 0.1-0.0001 N soln or suspension of Ir and/or Ir cpds is prepd by stirring for at least 20 min with (II) alone or a mixt of (II) and (III) contg an excess of 0.01-100, pref 0.1-10 mole% (II) and opt in 5-95 wt% soln in inert solvents, eg hydrocarbons and/or (I); and (b) hydrosilylation is carried out with this at a catalyst concn of 10 - 10 mole%. R = 1-18C (halo)alkyl or (halo)cycloalkyl; R = R or H; R , R = R, H, aryl or halogen; R = 1-10C alkyl, opt contg aliphatic ether gps; X = F, Cl, Br, I, CN, NCO, NCS or N3; n = 0, 1 or 2.
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公开(公告)号:DE59509204D1
公开(公告)日:2001-05-23
申请号:DE59509204
申请日:1995-08-24
Applicant: DEGUSSA
Inventor: STANDKE DR , ALBERT DR , HORN DR , KOETZSCH DR , KROPFGANS DR , MONKIEWICZ DR , SEILER DR , SREBNY DR
IPC: B01J27/122 , C07B61/00 , C07F7/02 , C07F7/04
Abstract: In the prepn of hydridoalkoxysilanes of formula (I) by direct reaction of metallic Si with alcohols with addn of suitable catalysts contg Cu, reaction is carried out with finely-divided Si and alcohol (mixt) in a heat carrier oil of opt substd tritoluene and/or tetratoluene at 100-350 degrees C. HnSi(O(CH2)mCH3)4-n (I) n = 1, 2 or 3; m = 0, 1 or 2.
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公开(公告)号:DE59701107D1
公开(公告)日:2000-03-16
申请号:DE59701107
申请日:1997-10-11
Applicant: DEGUSSA
Inventor: JENKNER DR , FRINGS DR , HORN DR , JUST ECKHARD , MONKIEWICZ JAROSLAW , STANDKE DR
IPC: C08L83/08 , C03C25/40 , C08G77/24 , C09D183/08 , C09K3/18 , D06M13/513 , D06M15/657 , D21H19/32 , D21H21/16
Abstract: Alcohol-based, fluoroalkyl-functional organosiloxane-containing compositions are obtained by hydrolysis of fluoroalkyl- organosilanes of formula R -Y-(CH2)2SiHx(R )y(OR)3-x-y (I), where R, R = linear, branched or cyclic 1-8C alkyl, or aryl; R = mono-, oligo- or per- fluorinated 1-9C alkyl or aryl; Y = CH2, O or S; x, y = 0, 1 or 2; and x+y = not more than 2. The reaction is carried out for 0.5-24 hours at 0-120 degrees C with good stirring in an alcoholic medium containing water together with a weak mono- or poly-basic acid and/or a weak base or an acid or basic salt, with a molar ratio of water:(I) = (2-500):1. Also claimed is the above process for the production of these compositions.
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