Fluoroalkyl-functional organopolysiloxane-containing compositions based on water, a process for their preparation and their use

US6288256A · kind A · utility

Assignee

• Degussa-Huels AG · DE

Inventors

• Burkhard Standke · Soest, DE
• Roland Edelmann · Wehr, DE
• Albert-Johannes Frings · Rheinfelden (Baden), DE
• Michael Horn · Rheinfelden (Baden), DE
• Peter Jenkner · Rheinfelden (Baden), DE
• Ralf Laven · Niederdossenbach, DE
• Helmut Mack · Ludwigshafen, DE
• Jaroslaw Monkiewicz · Rheinfelden (Baden), DE

Key dates

• Filing date: Jan 12, 1999
• Grant date: Sep 11, 2001
• Expiry date: Jan 12, 2019

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y10T428/8305
• WIPO field: Materials, metallurgy
• WIPO sector: Chemistry

Abstract

An aqueous organopolysiloxane-containing composition comprising organopolysiloxanes of formula I: EQU HO [Si(A)(CH.sub.3).sub.z (OH).sub.1-z O].sub.a [Si(B)(R.sup.2).sub.y (OH).sub.1-y O].sub.b [Si(C)(CH.sub.3)O].sub.c [Si(D)(OH)O].sub.d H.(HX).sub.e (I), PA1 wherein A is an aminoalkyl group of formula II: EQU H.sub.2 N (CH.sub.2).sub.f (NH).sub.g (CH.sub.2).sub.h Si(OR).sub.3-z (CH.sub.3).sub.z (II), PA1 in which 0.ltoreq.f.ltoreq.6, g=0 if f=0 and g=1 if f>0, 0.ltoreq.h.ltoreq.6 and 0.ltoreq.z.ltoreq.1; PA1 B is a fluoroalkyl group of formula III: EQU R.sup.1 --Y--(CH.sub.2).sub.2 Si(R.sup.2)Y(OR).sub.3-y (III) PA1 wherein R.sup.1 is a mono-, oligo- or perfluorinated alkyl group having 1-9 C atoms, or a mono-, oligo- or perfluorinated aryl group, Y is a CH.sub.2, O or S group, R.sup.2 is a linear, branched or cyclic alkyl group having 1-8 C atoms or an aryl group and 0.ltoreq.y.ltoreq.1; PA1 C is an alkyl group of formula IV: EQU R.sup.3 --Si(CH.sub.3)(OR).sub.2 (IV), and D is an alkyl group of formula V: EQU R.sup.3 --Si(OR).sub.3 (V) PA1 wherein R.sup.3, in each case is identical or different, and is a linear, branched or cyclic alkyl group having 1-8 C atoms, and R, in each ca…