abstract |
A particulate agent, a fluorocarbon or hydrogen-containing chlorofluorocarbon propellant, and a surfactant of formula (I).n n n n n n n n And wherein, n is an integer from 1 to 18, m is an integer from 0 to 17, R 1, R 2 and R 3 are each independently a hydrogen atom or a C 1 - 4 is seen kalgi. |