Soldering flux

Details Soldering flux Soldering flux

1974-09-10

1976-03-16

Morris, Theodore

Metal fusion bonding

Process

With protecting of work or filler or applying flux

106219, 106243, 148 23, 148 25, B23K 3102

Patent

active

039441237

ABSTRACT:
Dimerised and trimerised unsaturated aliphatic monocarboxylic acids having at least 10 carbon atoms are advantageous in or as fluxes for soldering of tin plate. Especially valuable novel fluxes for this purpose comprise, in free acid or ammonium or amine salt form, (1) at least one compound selected from the group consisting of C.sub.7.sub.-11 aliphatic monocarboxylic acids and acid organic phosphates and (2) at least one substance selected from the group consisting of dimerised and trimerised unsaturated aliphatic monocarboxylic acids having at least 10 carbon atoms, saturated C.sub.12.sub.-36 aliphatic monocarboxylic acids and rosin.

REFERENCES:
patent: 1208799 (1916-12-01), Kriews
patent: 2361867 (1944-10-01), Pessel
patent: 2658846 (1953-11-01), De Rosa
patent: 2674554 (1954-04-01), Snell
patent: 2774137 (1956-12-01), Yarow
patent: 2845700 (1958-08-01), Bagno
patent: 3223635 (1965-12-01), Dwyer
patent: 3640860 (1972-02-01), Miller

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