Antifreeze composition containing poly (oxyalkylene) -substitute

Compositions – Heat-exchange – low-freezing or pour point – or high boiling... – Organic components

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252 75, 252 77, 252 781, 252 783, 8647, C09K 500

Patent

active

057257949

ABSTRACT:
A color-stable antifreeze composition containing a polyhydric alcohol, a corrosion inhibitor and a poly(oxyalkylene)-substituted colorant having the structure ABXYZ, where
A is an organic chromophore;
B is an electrophilic reactive group covalently bonded to A directly or through a linking group;
X is a nucleophilic linking group covalently bonding B and Y;
Y is a poly(oxyalkylene)-containing moiety; and
Z is a terminal group for Y.

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