Coatings for coils

Details Coatings for coils Coatings for coils

1997-06-10

2000-03-21

Gorr, Rachel

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...

528 45, 4273881, 4273882, 4273883, 4284258, C08G 1850

Patent

active

060404140

ABSTRACT:
Use of crosslinked polymers for coil coating based on perfluoropolyethereal polymers, comprising as repeating units sequences of one or more oxyfluoroalkylenic units such as --CF.sub.2 CF.sub.2 O--, --CR.sub.4 R.sub.5 CF.sub.2 CF.sub.2 O-- wherein R.sub.4 and R.sub.5 equal to or different from each other are chosen among H, Cl, F or perfluoroalkyl from 1 to 4 carbon atoms, --CF.sub.2 CF(CF.sub.3)O--, --CFYO--, wherein Y is equal to F or CF.sub.3, having hydroxylic bifunctional termination, crosslinking being carried out with blocked polyisocyanates having at least 3 NCO groups.

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patent: 4314004 (1982-02-01), Stoneberg
patent: 5026814 (1991-06-01), Re et al.
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patent: 5366803 (1994-11-01), Nakazawa et al.
Saunders & Fresch; Polyurethanes; p. 118-120, 1962.
Italian patent application No. 19779A/86, filed Mar. 17, 1986 (now abandoned).
Italian patent application No. 19780A/86, filed Mar. 17, 1986 (now abandoned).

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