Compositions: coating or plastic – Coating or plastic compositions – Wax containing
Patent
1974-12-30
1976-05-04
Morris, Theodore
Compositions: coating or plastic
Coating or plastic compositions
Wax containing
148 25, C08L 9106
Patent
active
039544940
ABSTRACT:
Wax-flux compositions for use in low-temperature soldering processes comprise (A) a major amount of a wax and (B) an effective amount to cause fluxing, at or below the soldering temperature of the piece to be soldered, of a wax-soluble product obtained by first reacting an aliphatic hydrocarbon-substituted succinic acid or derivative thereof which is capable of forming carboximide bonds with an alkylene polyamine to form a carboximide and then reacting said carboximide with an alkylaryl sulfonic acid. A process for soldering electrical components to a printed circuit board comprises (A) applying a molten wax-flux composition as described above to the metal pattern side of the board, (B) allowing the wax-flux composition to solidify, (C) trimming the components leads, and (D) soldering the components to the printed circuit board.
Lowe Warren
Stayner Robert A.
Brooks J. T.
Chevron Research Company
Magdeburger G. F.
Morris Theodore
Tonkin C. J.
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