Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Polymers from only ethylenic monomers or processes of...
Patent
1974-09-12
1977-03-22
Anderson, Harold D.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Polymers from only ethylenic monomers or processes of...
260 296F, 260 296TA, 428500, 526273, 526304, 526310, 526326, C08F22602, C08L 2712, C08L 3900
Patent
active
040136272
ABSTRACT:
Oil and water repellent polymer comprised of polymer chain repeat units derived from (1) a monomer of the formula R.sub.f CH.sub.2 CH.sub.2 OCOC(R)=CH.sub.2 wherein R.sub.f is a perfluoroalkyl group of 4-14 carbon atoms and R is H or CH.sub.3, (2) a vinyl monomer which is free of non-vinylic fluorine and (3) an ionic monomer of the formula CH.sub.2 =C(R)--Z--Y.sup.+X.sup.- wherein R is H or CH.sub.3, Z is a connecting group which activates vinyl polymerization, Y.sup.+ is an onium ionic group and X.sup.- is a water solubilizing anion.
REFERENCES:
patent: 3462296 (1969-08-01), Raynolds et al.
patent: 3491169 (1970-01-01), Raynolds et al.
patent: 3645990 (1972-02-01), Raynolds et al.
Anderson Harold D.
E. I. Du Pont de Nemours and Company
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