EMULSIFIED PROPELLANT COMPOSITIONS FOR FOAMED STRUCTURES SUCH AS APPLICATOR PADS AND PROCESS

摘要

1431512 Aerosol cleaning agent BRISTOLMYERS CO 15 Jan 1974 [17 Jan 1973] 01875/74 Heading C5D [Also in Division C3] Aerosol cleaning emulsions which in use form foam applicator pads, comprise as continuous phase an organic liquid that is liquid at atmospheric temperature and pressure and dispersed therein, as discontinuous phase, a solution of a film-forming synthetic polymer in a liquid propellant boiling below 45‹ F. at atmospheric pressure and retained in the liquid phase at a superatmospheric pressure; the propellant on volatilization at atmospheric temperature and pressure producing a coherent foamed solid structure with the organic liquid in the cells.