C - Chemistry – Metallurgy – 07 – C
Patent
C - Chemistry, Metallurgy
07
C
260/468, 8/93.23
C07C 271/28 (2006.01) C07C 275/14 (2006.01) C07C 275/62 (2006.01) C08G 18/28 (2006.01) C08G 18/32 (2006.01) C14C 11/00 (2006.01) D06M 13/425 (2006.01) D06M 15/576 (2006.01)
Patent
CA 1305174
23221-4576 Abstract of the disclosure Urethanes made from aliphatic fluorinated alcohols, iso- cyanates and substituted aromatic compounds, a process for their preparation, and their use. Novel urethanes of the general formula Image (1), in which Rf denotes, for example, a C4-C20 perfluoroalkyl, R1 is H or C1-C4 alkyl, X is an integer from 1 to 4, Y is an integer from 0 to 10, m and n are integers from 1 to 2, the sum m + n being at most 3, and A is, for example, a phenylene or toluylene group are disclosed. The novel urethanes are synthesized from an aliphatic fluorinated alcohol, an isocyanate and a specific substituted phenol or aniline compound. They are prepared by reacting an aliphatic fluorinated alcohol with a di - or triisocyanate to form a fluorinated alcohol/isocyanate adduct and reacting this adduct with a certain substituted phenol or aniline to form the urethanes intended. The novel urethanes are preferably used for oleophobic and hydrophobic finishing of textiles and leather.
587105
Jaeckel Lothar
Kleber Rolf
Wehowsky Frank
Fetherstonhaugh & Co.
Hoechst Aktiengesellschaft
Jaeckel Lothar
Kleber Rolf
Wehowsky Frank
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