C - Chemistry – Metallurgy – 07 – C
Patent
C - Chemistry, Metallurgy
07
C
260/468, 8/63, 8
C07C 271/06 (2006.01) C07C 275/40 (2006.01) C07C 275/62 (2006.01) C08G 18/28 (2006.01) C08G 18/32 (2006.01) D06M 13/425 (2006.01) D06M 15/576 (2006.01)
Patent
CA 1296018
Abstract of the disclosure: Urethanes formed from aliphatic fluoroalcohols, isocyan- ates and aromatic compounds, a process for their prepara- tion and their use The molecule of the new urethanes contains an aliphatic fluoroalcohol, an isocyanate and an aromatic dihydroxy, diamino, aminohydroxy, aminocarboxy or hydroxycarboxy compound. They are prepared by reacting an aliphatic fluoroalcohol with a diisocyanate or triisocyanate to give the fluoroalcohol/isocyanate adduct and by reacting this adduct with said aromatic compound to give the de- sired urethanes composed of an aliphatic fluoroalcohol, an isocyanate and the bifunctional aromatic compound men- tioned, and also be reacting a urethane of this type which also carries an active hydrogen atom on the bifunc- tional aromatic compound, with an isocyanate compound containing one or more isocyanate groups. The new ure- thanes are preferably used for imparting an oleophobic and hydrophobic finish to textiles and leather.
541102
Jaeckel Lothar
Kleber Rolf
Wehowsky Frank
Fetherstonhaugh & Co.
Hoechst Aktiengesellschaft
Jaeckel Lothar
Kleber Rolf
Wehowsky Frank
LandOfFree
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