1.
    发明专利
    未知

    公开(公告)号:DE59900368D1

    公开(公告)日:2001-12-06

    申请号:DE59900368

    申请日:1999-03-06

    Applicant: DEGUSSA

    Abstract: Stable composition of water-soluble organosiloxanes, obtained by reacting water-soluble amino-alkoxy-silane (A) with insoluble alkenyl-alkoxy-silane (B), then adding water and removing alcohol, using (A) and water in amounts such as to enable reaction of all alkoxy groups in (B) and adjusting to pH 2-6 with acid. A stable composition of water-soluble organosiloxanes obtained by (a) reacting a water-soluble, amino-functional alkoxysilane (A) with water-insoluble alkenyl-functional alkoxy-silane(s) (B), (b) adding water and (c) removing the alcohol formed. The amounts of amino-silane (A) and water used are such as to enable reaction of all the alkoxy groups in (B) and to give a composition from which essentially no alcohol is liberated by hydrolysis on dilution with water. This composition is adjusted to a pH of 2-6 by adding an optionally aqueous organic or inorganic acid during and/or after the reaction. An Independent claim is also included for a process as described above for the production of such compositions.

    3.
    发明专利
    未知

    公开(公告)号:DE59508922D1

    公开(公告)日:2001-02-01

    申请号:DE59508922

    申请日:1995-08-04

    Applicant: DEGUSSA

    Abstract: In the prepn. of aminopropylalkoxysilanes of formula (I) by reacting hydridosilanes of formula (II) with an amine of formula (III) in the presence of a Rh-complex catalyst with organo-P ligands, the catalyst comprises a moulded polymeric Rh complex catalyst (IV) with organosiloxane monophenylphosphine ligands: R R NCH2CHR CH2Si(OR)3-n(R )n (I) HSi(OR)3-n(R )n (II) R R NCH2CR =CH2 (III), R, R = 1-8C alkyl; n = 0, 1 or 2; R , R = H, 1-8C alkyl and/or 3-8C omega -alkenyl; R = H or 1-8C alkyl. Also claimed is the use of (IV) in the prepn. of (I).

    6.
    发明专利
    未知

    公开(公告)号:DE59702852D1

    公开(公告)日:2001-02-08

    申请号:DE59702852

    申请日:1997-10-11

    Applicant: DEGUSSA

    Abstract: Water-based, organopolysiloxane-containing compositions, which are largely free from organic solvent, show a flash point of above 70 degrees C and do not release alcohol when diluted with water. These compositions contain polysiloxanes of formula HOÄSi(A)(CH3)z(OH)1-zOÜaÄSi(B)(R )y(OH)1-yOÜbÄSi(C)(CH3 )OÜcÄSi(D)(OH)OÜdH . (HX)e (I), where A = amino-alkyl group derived from formula H2N(CH2)f(NH)g(CH2)hSi(OR)3-z(CH3)z (II); R = linear, branched or cyclic 1-8C alkyl, or aryl; f = 0-6; g = 0 if f = 0, or g = 1 if f = more than 0; h = 0-6; z = 0-1; B = fluoroalkyl group derived from formula R -Y-(CH2)2Si(R )y(OR)3-y (III); R = mono-, oligo- or per- fluorinated 1-9C alkyl or aryl; Y = CH2, O or S; R = as for R; y = 0-1; C = alkyl group derived from formula R -Si(CH3)(OR)2 (IV); D = alkyl group derived from R -Si(OR)3 (V); R = linear, branched or cyclic 1-8C alkyl; X = residue of (in)organic acid; a, b = more than 0; c, d, e = 0 or more; and a+b+c+d = at least 2. Also claimed is a process for the production of these compositions.

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