Accession Number : AD0163993

Title :   Depotting Solvent.

Descriptive Note : Patent,

Corporate Author : DEPARTMENT OF THE NAVY WASHINGTON D C

Personal Author(s) : Duffy,James V. ; Erickson,Porter W.

Report Date : 19 DEC 1972

Pagination or Media Count : 3

Abstract : The patent covers a process in which encapsulating (potting) compositions which contain a linkage that is susceptible to hydrolytic cleavage; i.e., polyamides, polyesters and polyester base type polyurethanes, and which have deteriorated due to exposure to a hot, moist atmosphere are dissolved by contacting with a solvent comprising a solution of benzyltrimethylammonium hydroxide preferably containing a constituent selected from the group consisting of (a) tetrahydrofuran and acetone, (b) methylene chloride (c) methylene chloride and acetone and (d) N-methyl-2-pyrollidone.

Descriptors :   (*EMBEDDING SUBSTANCES, REMOVAL), (*PATENTS, ORGANIC SOLVENTS), HYDROXIDES

Subject Categories : Solvents, Cleaners, and Abrasives

Distribution Statement : APPROVED FOR PUBLIC RELEASE