Patent classifications
C09K23/007
Compositions comprising 2,3-dichloro-1,1,1-trifluoropropane, 2-chloro-1,1,1-trifluoropropene, 2-chloro-1,1,1,2-tetrafluoropropane or 2,3,3,3-tetrafluoropropene
Disclosed are compositions comprising HCFC-243db, HCFO-1233xf, HCFC-244db and/or HFO-1234yf and at least one additional compound. For the composition comprising 1234yf, the additional compound is selected from the group consisting of HFO-1234ze, HFO-1243zf, HCFC-243db, HCFC-244db, HFC-245cb, HFC-245fa, HCFO-1233xf, HCFO-1233zd, HCFC-253fb, HCFC-234ab, HCFC-243fa, ethylene, HFC-23, CFC-13, HFC-143a, HFC-152a, HFC-236fa, HCO-1130, HCO-1130a, HFO-1336, HCFC-133a, HCFC-254fb, CHF═CHCl, HFO-1141, HCFO-1242zf, HCFO-1223xd, HCFC-233ab, HCFC-226ba, and HFC-227ca. Compositions comprising HCFC-243db, HCFO-1233xf, and/or HCFC-244db are useful in processes to make HFO-1234yf. Compositions comprising HFO-1234yf are useful, among other uses, as heat transfer compositions for use in refrigeration, air-conditioning and heat pump systems.
Azeotrope-like compositions of 1,1,1,2-tetrafluoropropene and 1,1,1,2-tetrafluoroethane
Provided are azeotrope-like compositions consisting essentially of 1,1,1,2-tetrafluoropropene and 1,1,1,2-tetrafluoroethane and uses thereof, including use in refrigerant compositions, refrigeration systems, blowing agent compositions, and aerosol propellants.
NEW SURFACTANT MIXTURE, NEW COMPOSITION COMPRISING SAME, AND USE THEREOF IN FOAM LIQUIDS FOR FIGHTING FIRES
Disclosed is a surfactant mixture including: (i) 50%-99% of C1 which includes, per 100% of its weight: (a) 65%-90% of alkyl glutamate with C7-C17, and (b) 10%-35% of formula R1-C(═O)—OH; and (ii) 1%-50% of C2 which includes, per 100% of its weight: (c) 14-80% of C3, represented by R3-O-(G3)p-H where R3 represents C12-C16, G3 represents the residue of a reducing sugar, and 1.05≤p≤5, (d) 0%-3% of an alcohol R3-OH, (e) 20%-80% of C4, which is represented by R4-O-(G4)q-H where R4 represents C4-C7, G4 represents the residue of a reducing sugar and 1.05≤q≤5, and (f) 0%-3% of an alcohol R4-OH. Also disclosed are a fire-fighting foam liquid and a method for extinguishing a fire.
Haloolefin-based composition
The present invention provides a highly stable haloolefin-based composition that inhibits decomposition or oxidization. The haloolefin-based composition comprising (a) a haloolefin; (b) at least one compound selected from the group consisting of HFO-1234ze, HFC-254eb, HFO-1243zf, HFC-245eb, HFC-245fa, HFC-245cb, HFC-236ea, HFC-236fa, HFO-1225ye, 3,3,3-trifluoropropine, HFC-23, HFC-32, HFC-125, HFC-143a, HFC-134a, FC-1216, HCFO-1233xf, HCFO-1233zd, HCFO-1232xf, HCFO-1223xd, and chloromethane; and (c) water.
USES OF FLUORINATED EPOXIDES AND NOVEL MIXTURES THEREOF
This application relates to compositions comprising one or more partially fluorinated epoxides and/or one or more perfluorinated epoxides which may be useful in applications including refrigerants, air conditioning, heat transfer media, high-temperature heat pumps, organic Rankine cycles, fire extinguishing/fire suppression, propellants, foam blowing, solvents, dielectrics, and/or cleaning fluids.
Method of stabilization of a haloolefin-based composition
The present invention provides a haloolefin-based composition comprising a highly-stable haloolefin in which decomposition and oxidization are inhibited, and the haloolefin-based composition being used for at least one application selected from the group consisting of heat transfer media, refrigerants, foaming agents, solvents, cleaning agents, propellants, and fire extinguishers. The present invention relates to a haloolefin-based composition comprising a haloolefin and water and being used for at least one application selected from the group consisting of heat transfer media, refrigerants, foaming agents, solvents, cleaning agents, propellants, and fire extinguishers. The haloolefin-based composition comprising a haloolefin and water is used for at least one application selected from the group consisting of heat transfer media, refrigerants, foaming agents, solvents, cleaning agents, propellants, and fire extinguishers.
Compositions comprising a fluoroolefin
The present invention relates to compositions for use in refrigeration, air-conditioning, and heat pump systems wherein the composition comprises a fluoroolefin and at least one other component. The compositions of the present invention are useful in processes for producing cooling or heat, as heat transfer fluids, foam blowing agents, aerosol propellants, and fire suppression and fire extinguishing agents.
METHOD OF STABILIZATION OF A HALOOLEFIN-BASED COMPOSITION
The present invention provides a haloolefin-based composition comprising a highly-stable haloolefin in which decomposition and oxidization are inhibited, and the haloolefin-based composition being used for at least one application selected from the group consisting of heat transfer media, refrigerants, foaming agents, solvents, cleaning agents, propellants, and fire extinguishers.
The present invention relates to a haloolefin-based composition comprising a haloolefin and water and being used for at least one application selected from the group consisting of heat transfer media, refrigerants, foaming agents, solvents, cleaning agents, propellants, and fire extinguishers. The haloolefin-based composition comprising a haloolefin and water is used for at least one application selected from the group consisting of heat transfer media, refrigerants, foaming agents, solvents, cleaning agents, propellants, and fire extinguishers.
SURFACTANT
A surfactant of formula (I):
A-(L.sub.1).sub.a-(C.sub.2).sub.b-(L.sub.2).sub.c-X (I)
wherein
A is a perfluoropolyether;
L.sub.1 is CONR', wherein R is selected from H and C.sub.1-6 alkyl;
a is 0 or 1;
b is 0 or an integer between 1 and 10;
L.sub.2 is a linking group;
c is 0 or 1; and
X is a charged group.
Composition comprising a fluorine-containing surfactant
The invention relates to a composition comprising a fluorine-containing surfactant having a cationic group, a divalent sulfur-containing group and a fluorinated group, further comprising an anion that corresponds to the cationic group of the fluorine-containing surfactant, the cationic group being an N-alkylated heterocyclic group.