Patent classifications
C09K23/007
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.
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, HCFC-1131, 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.
EMULSIONS AND METHODS OF MAKING EMULSIONS
Disclosed are methods for making emulsions and emulsions, that in some embodiments can be considered to be Pickering emulsions.
COMPOSITIONS CONTAINING CHLOROFLUOROOLEFINS OR FLUOROOLEFINS
Compositions and methods based on the use of fluoroalkene containing from 3 to 4 carbon atoms and at least one carbon-carbon double bond, such as HFO-1214, HFO-HFO-1233, or HFO-1354 having properties highly beneficial in foaming and blowing agent applications, articles and methods.
Composition containing 2,3,3,3-tetrafluoropropene and 1,2-difluoroethylene
Compositions containing 2,3,3,3-tetrafluoropropene and 1,2-difluoroethylene, that can be used in multiple fields of application. The composition can include from 45 to 90 mol % of 2,3,3,3-tetrafluoropropene and from 55 to 10 mol % of, 1,2-difluoroethylene. The composition can include from 55 to 80 mol % of 2,3,3,3-tetrafluoropropene and from 45 to 20 mol % of 1,2-difluoroethylene. The composition can include from 62 to 69 mol % of 2,3,3,3-tetrafluoropropene and from 38 to 31 mol % of 1,2-difluoroethylene at a temperature of between 30 C. and 56 C. and a pressure of between 1 and 15 bar.
Emulsions and methods of making emulsions
Disclosed are methods for making emulsions and emulsions, that in some embodiments can be considered to be Pickering emulsions.
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.
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.
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.
Multifunctional slick water concentrate integrating properties of drag reducer, flow back surfactant and clay stabilizer
A multifunctional slick water concentrate, is obtained by W/W dispersion polymerization at elevated temperature, wherein water-soluble monomer A1, water-soluble fluorocarbon surfactant A2, water-soluble quaternary ammonium clay stabilizer A3, water-soluble dispersant A4, water-soluble free radical initiator A5, inorganic salt A6 and water A7, is first formed a homogeneous system under mechanical agitation; wherein, the percentage of the weight of each respective component, relative to the total weight of the reaction system, is as the following: water-soluble monomer A1: 5.0-20.0%; water-soluble fluorocarbon surfactant agent A2: 0.1-5.0%; water-soluble quaternary ammonium clay stabilizer A3: 0.1-20.0%; water-soluble dispersant A4: 0.1-10.0%; water-soluble radical initiator A5: 0.000001-0.100%; inorganic salt A6: 15.0-40.0%; water A7: remainder.