Urethanes containing fluorine and polysiloxane, processes...

Details Urethanes containing fluorine and polysiloxane, processes... Urethanes containing fluorine and polysiloxane, processes...

C - Chemistry, Metallurgy

08

G

402/21, 8/93.21,

C08G 77/26 (2006.01) C08G 18/61 (2006.01) C08G 18/80 (2006.01) C08G 77/385 (2006.01) C08G 77/388 (2006.01) D06M 13/513 (2006.01) D06M 15/653 (2006.01) D06M 15/657 (2006.01)

Patent

CA 1328461

Abstract of the disclosure Urethanes containing fluorine and polysiloxane, processes for their preparation, and their use The novel urethanes are composed essentially of fluoro- alcohol-isocyanate adducts as the fluoro component and a polysiloxane component, the two components being combined in a structurally specific manner. The novel urethanes are prepared by reacting the fluoroalcohol-isocyanate ad- ducts with the polysiloxane in a molar ratio of 1 to 2:1 at a temperature of 30 to 130°C. The novel urethanes are preferably used for finishing textiles, to which they also impart the property of a soft handle in addition to good hydrophobicity and oleophobicity. They are also suitable for finishing leather, skins and wood.

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