Hig performance water and oil repellant

C - Chemistry – Metallurgy – 07 – C

Patent

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402/165, 260/468

C07C 275/04 (2006.01) C07D 251/34 (2006.01) C08G 18/10 (2006.01) C08G 18/72 (2006.01) D06M 15/576 (2006.01)

Patent

CA 1272195

ABSTRACT A high performance water and oil repellant composed of a compound comprising at least two terminal segments and an intermediate segment connecting the terminal segments and having a molecular weight of from 800 to 20,000, each terminal segment containing at least one polyfluoroalkyl group connected by a -CONH- linking group, said intermediate segment being a urethane oligomer containing at least two -CONH- linking groups in one molecule, and said terminal segments and intermediate segment being connected by a -CONH- linking group.

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