Fluorinated polyurethanes with hydroxy functionality, process fo

Details Fluorinated polyurethanes with hydroxy functionality, process fo Fluorinated polyurethanes with hydroxy functionality, process fo

1992-05-05

1993-02-23

Foelak, Morton

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...

560115, 560116, 560157, C08G 1850

Patent

active

051891352

ABSTRACT:
Low molecular weight non-film forming fluorinated polyurethanes having a hydroxy functionality obtained from the reaction of at least one diisocyanate with at least one hydroxy-capped perfluoropolyether having a molecular weight within the range of from greater than 1,000 to 5,000 and with at least one polyol with a functionality of at least 2.

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patent: 5026814 (1991-06-01), Re et al.
patent: 5043410 (1991-08-01), Re et al.

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