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...
Patent
1977-07-19
1980-12-09
Cockeram, H. S.
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...
204181C, 260 18TN, 260 292TN, 525459, 528 75, C08G 1812, C08G 1871, C08G 1862, C08G 1858
Patent
active
042385946
ABSTRACT:
Self-crosslinking coating compositions which are cathodically deposited on electrodeposition of paints containing the coating composition and a process for producing aqueous solutions of the self-crosslinking coating compositions by acid neutralization are described. The coating compositions are the reaction products of an unsaturated copolymer or a polycondensation product or a polyaddition product or mixture thereof carrying at least 0.5 double bonds on a side chain or at the end of a chain for each 1000 molecular weight units and the reaction product carrying one free isocyanate group of a polyisocyanate with an amine of the general formula -- ##STR1## wherein R is an alkanol or hydroxyphenyl radical and R.sub.1 and R.sub.2 are alkyl, aryl or cycloalkyl radicals. The cathodically depositable electrodeposition paints cure rapidly at relatively low temperatures to provide films which are highly resistant to corrosive influences.
REFERENCES:
patent: 3804786 (1974-04-01), Sekmakas
patent: 4031050 (1977-06-01), Jerabek
patent: 4036800 (1977-07-01), Sekmakas
patent: 4096105 (1978-06-01), McGinniss
patent: 4129490 (1978-12-01), Schimmel
patent: 4147679 (1979-04-01), Scriven et al.
Breiner A. W.
Cockeram H. S.
Vianova Kunstharz A.G.
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