Polyoxyalkylene triol additives for minimizing deposits from aqu

Details Polyoxyalkylene triol additives for minimizing deposits from aqu Polyoxyalkylene triol additives for minimizing deposits from aqu

1979-03-22

1981-04-07

Pitlick, Harris A.

Compositions

Heat-exchange, low-freezing or pour point, or high boiling...

Organic components

252180, 568624, C09K 500, C02B 506

Patent

active

042605040

ABSTRACT:
PCT No. PCT/FR78/00008 Sec. 371 Date Mar. 22, 1979 Sec. 102(e) Date Mar. 22, 1979 PCT Filed July 10, 1978
The invention concerns a process for preventing the formation of deposits on the walls of the heating or cooling circuits of heat exchangers in which an aqueous heat-exchange liquid circulates.
This process comprises mixing with the heat-exchange liquids from about 0.3 to about 5% by weight of a product of polyaddition of ethylene oxide and propylene oxide on a monohydric alcohol, water, a diol or a triol, the ethylene oxide representing from 60% to 90% by weight of the fixed alkylene oxides.
This process can be used in particular in internal combustion engine cooling circuits.

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