C - Chemistry – Metallurgy – 07 – C
Patent
C - Chemistry, Metallurgy
07
C
8/93.23, 260/468
C07C 271/28 (2006.01) B27K 3/38 (2006.01) C14C 9/00 (2006.01) C14C 11/00 (2006.01) D06M 13/425 (2006.01) D06M 13/428 (2006.01)
Patent
CA 1276165
Abstract of the disclosure The novel urethanes correspond to the formula I below Image in which a denotes a number from 5 to 17 and b denotes a number from 1 to 7. These urethanes are prepared by re- acting the corresponding perfluoroalkylethanol/epichloro- hydrin adducts with toluelene diisocyanates. The novel aqueous dispersions are essentially composed of the novel urethanes, cationic or betaine emulsifiers and non-ionic emulsifiers, water-insoluble carboxylic and/or dicarboxylic acid esters and alkanediols or polyalkanediols which can be etherified on one or both sides, in water. The novel urethanes and the novel aqueous dispersions are used to impart an oleophobic and hydrophobic finish to textiles, leather and furs. They are also suitable for the treatment of unpainted timber, for example unpainted furniture.
517160
Bathelt Heinrich
Ehrl Winfried
Glenz Wolfgang
Herdt Hubert
Hintermeier Karl
Fetherstonhaugh & Co.
Hoechst Aktiengesellschaft
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