Water- and oil-repellent fluoroacrylates

Details Water- and oil-repellent fluoroacrylates Water- and oil-repellent fluoroacrylates

2007-03-19

2010-02-09

Wu, David (Department: 1796)

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

Synthetic resins

Polymers from only ethylenic monomers or processes of...

C526S286000, C526S319000, C528S070000, C524S544000, C560S167000

Reexamination Certificate

active

07659351

ABSTRACT:
Fluoroacrylates comprise the reaction product of:(a) at least one fluorochemical alcohol represented by the formula:in-line-formulae description="In-line Formulae" end="lead"?CnF2n+1—X—OHin-line-formulae description="In-line Formulae" end="tail"?wherein:n=1 to 4,R=hydrogen or an alkyl group of 1 to 4 carbon atoms,m=2 to 8,Rf=CnF2n+1,y=0 to 6, andq=1 to 8;(b) at least one unbranched symmetric diusocyanate; and(c) at least one hydroxy-terminated alkyl (meth)acrylate or 2-fluoro acrylate monomer having 2 to about 30 carbon atoms in its alkylene portion.

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