Heat transfer promoters and method of using the same

Details Heat transfer promoters and method of using the same Heat transfer promoters and method of using the same

1987-11-23

1989-01-31

Page, Thurman K.

Compositions

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

Organic components

252 71, 252 74, C09K 500

Patent

active

048013943

ABSTRACT:
A heat transfer promoter composition comprises a triazine-dithiol derivative represented by the general formula ##STR1## wherein R represents --NHR' or --NR'.sub.2 wherein: R' is a hydrocarbon group; M is selected from the group consisting of hydrogen, alkali metals, and alkaline earth metals; and at least one of M groups is alkaline metal or alkaline earth metal. This heat transfer promotor is applied to that surface of a condenser tube to be contacted by a vapor to be condensed.

REFERENCES:
patent: 4193480 (1980-03-01), Press
patent: 4246057 (1981-01-01), Janowski et al.
patent: 4296539 (1981-10-01), Asami
patent: 4354550 (1982-10-01), Modahl et al.
patent: 4358485 (1982-11-01), Kern et al.
patent: 4368776 (1983-01-01), Negita et al.
patent: 4421789 (1983-12-01), Kaneko et al.
L. C. F. Blackman et al., "An Investigation of Compounds Promoting The Dropwise Condensation of Steam", J. Appl. Chem. Apr. 7, 1957, pp. 161-171.
L. A. Bromley et al., "Promotion of Drop-by-Drop Condensation of Steam From Seawater on a Vertical Copper Tube", ALChE Journal, vol. 14, No. 2, Mar. 1968, pp. 245-250.
Chemical Abstracts, 101 (4) 25,156x (1984).
Chemical Abstracts, 92 (20) 165,376q (1980).

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