Polyurethanes containing perfluoroalkyl groups and a process for

Details Polyurethanes containing perfluoroalkyl groups and a process for Polyurethanes containing perfluoroalkyl groups and a process for

1984-05-18

1985-09-10

Welsh, Maurice J.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

From reactant having at least one -n=c=x group as well as...

427176, 4273899, C08G 1838

Patent

active

045407657

ABSTRACT:
To render surfaces, such as of textile fabrics and fibers, repellent to oil and/or water, they are treated with novel polyurethanes containing perfluoroalkyl ligands and having as recurring structural units ##STR1## with chain ends of the formula

REFERENCES:
patent: 3759874 (1973-09-01), Gresham

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