Abstract: Use of a water-soluble high molecular compound which contains a fluoroalkyl group and a water-solubilizable group, having a molecular weight of not less than 5000 and a fluorine content of not less than 10% by weight and is soluble in water in an amount of at least 0.1% by weight at 25.degree. C. and of which the surface tension is not more than 50 dyn/cm when measured on 0.1 to 5.0% by weight aqueous solution at 25.degree. C., as an additive to a foam fire-extinguishing agent so as to improve and enhance the fire-extinguishing performances of the latter, particularly for the firing of polar organic solvents, is disclosed.

Abstract: A fluorine-containing betaine compound of the formula: ##STR1## wherein Rf is a polyfluoroalkyl group having 3 to 21 carbon atoms, A is a group of the formula: ##STR2## (wherein R.sup.4 is a hydrogen atom or an acyl group having 2 or 3 carbon atoms and p is an integer of 1 to 5), R.sup.1 is a hydrogen atom, an alkyl group having 1 to 20 carbon atoms or a group of the formula: Rf--A--, R.sup.2 and R.sup.3 are each a hydrogen atom, an alkyl group having 1 to 3 carbon atoms or a hydroxyalkyl group having 1 to 3 carbon atoms, m is an integer of 2 to 6 and n is an integer of 1 to 4, which is useful as an additive to a foam fire-extinguishing composition for polar organic liquids.

Abstract: A compound of the formula: ##STR1## WHEREIN Q is a hydrogen atom, --CH.sub.2 CH(OH)CH.sub.2 Rf or a hydrocarbon residue having a valence corresponding to m which may contain one or more of --O--, --COO--, --NH--, --N.dbd. and ##STR2## IN THE CHAIN, R is a hydrogen atom, a hydrocarbon residue or --CH.sub.2 CH(OH)CH.sub.2 Rf and m is an integer of not less than 1, Rf being a perfluoroalkyl group, an .omega.-hydro-perfluoroalkyl group o an .differential.-chloro-erfluoroalkylgroup having 4 to 20 carbon atoms, which is useful as an agent for rendering fibrous materials oleophobic and anti-soiling and may be prepared by reacting a perfluoroalkylpropylene oxide of the formula: ##STR3## wherein Rf is the same as defined above, with a reagent of the formula:Q'(NHR').sub.mwherein Q' is a hydrogen atom or a hydrocarbon residue having a valence corresponding to m which may contain one or more of --O--, --COO--, --NH-- and --N.dbd.

Abstract: A dry cleaning composition comprising as effective components a fluorine-containing hydrocarbon solvent and at least one surfactant selected from the group consisting of organic acid salts of monoamines represented by the formula ##STR1## wherein R.sub.1 is alkyl having 6 to 20 carbon atoms, R.sub.2 is hydrogen atom or CH.sub.3, m and n are each zero or an integer of 1 to 20, and are further defined by 3.ltoreq.m + n.ltoreq.20, R.sub.3 is hydrogen atom or alkyl having 6 to 20 carbon atoms when n is zero and R.sub.3 is hydrogen atom when m is 1 to 20, and organic acid salts of diamines represented by the formula ##STR2## wherein R.sub.2 is as defined above, R.sub.4 is alkyl having 6 to 20 carbon atoms, R.sub.5 is alkylene having 2 to 6 carbon atoms, l is zero or an integer of 1 to 20, m and n are as defined above, and 3.ltoreq.l + m + n.ltoreq.20.

Abstract: A 2-hydroxy-1,1,2,3,3-pentahydroperfluoroalkyl derivative of either one of the formulae:[RfCH.sub.2 CH(OH)CH.sub.2 OOC].sub.m QandQ'(NR.sub.1 R.sub.2).sub.m'wherein Rf is a perfluoroalkyl, an .omega.-hydro-perfluoroalkyl or an .omega.-chloro-perfluoroalkyl group having 4 to 20 carbon atoms, Q is a hydrocarbon residue having a valency corresponding to m which may contain one or more of --O--, --COO-- and --OH in and/or on the chain, Q' is a hydrogen atom or a hydrocarbon residue having a valency corresponding to m' which may contain one or more of --O--, --COO--, --NH--, --N.dbd. and ##STR1## IN THE CHAIN, R.sub.1 and R.sub.2 are each a hydrogen atom or a group of the formula: --CH.sub.2 CH(OH)CH.sub.2 Rf, at least one of R.sub.1 and R.sub.2 being --CH.sub.2 CH(OH)CH.sub.2 Rf, m is an integer of not less than 2 and m' is an integer of not less than 1, which is useful as an oil-repellent agent or an anti-soiling agent for fibrous materials.