摘要:
Provided are azeotrope or azeotrope-like compositions comprised of 1-chloro-3,3,3-trifluoropropene (HCFO-1233zd) and 1,1-dichloro-2,2,2-trifluoroethane (HCFC-123).
摘要:
A trans-1,2-dichloroethylene blend which comprises a combination of a major amount of trans-1,2-dichloroethylene and a minor amount of a hydrohaloolefin having an elevated flash point is disclosed The combination exhibits a flash point significantly higher than trans-1, 2 -dichloroethylene alone The preferred hydrohaloolefin is 1-chloro-3,3,3-trιfluoropropene (HCFO-1233zd) The subject blends find application as heat transfer agents, propellents and sprayable compositions, blowing agents, solvents and cleaning agents.
摘要:
Die vorliegende Erfindung betrifft eine lagerstabile Polyisocyanatprepolymerzusammensetzung, erhältlich durch Vermischen von a) Polyisocyanaten mit b) Verbindungen mit gegenüber Isocyanaten reaktiven Gruppen, c) Treibmittel, d) Flammschutzmittel, e) Katalysator, f) Chelatbildner und gegebenenfalls g) sonstigen Zusatzstoffen, wobei die Polyisocyanate a) in solchen Mengen eingesetzt werden, dass, bezogen auf die eingesetzten Komponenten, mehr Isocyanatgruppen als gegenüber Isocyanat reaktive Gruppen enthalten sind. Weiter betrifft die vorliegende Erfindung einen Druckbehälter, enthaltend eine lagerstabile Polyisocyanatprepolymerzusammensetzung, und einen Polyurethanschaumstoff, erhältlich durch in Kontakt bringen einer solchen Polyisocyanatprepolymerzusammensetzung mit Wasser.
摘要:
Provided are azeotrope-like compositions comprising tetrafluoropropene and trifluoroiodomethane and uses thereof, including use in refrigerant compositions and refrigeration systems.
摘要:
Disclosed are compositions comprising 1,1,1,3,3-pentafluoropropane, 1,1,1,3,3-pentafluorobutane and water, said compositions are environmentally desirable for use as blowing agents for polymer foam, refrigerants, aerosol propellants, metered dose inhalers, heat transfer media, and gaseous dielectrics.
摘要:
A composition comprises: a) at least one fluoroalkene of Formula I:
XCF 2 R 3-z (I)
where X is a C 3 unsaturated, substituted or unsubstituted, alkyl radical, R is independently Cl, F, Br, I or H, and z is 1 to 3; and b) one or more compounds selected from the group consisting of difluoromethane (HFC-32), pentafluoroethane (HFC-125), 1,1,2,2-tetrafluoroethane (HFC-134), 1,1,1,2-tetrafluoroethane (HFC-134a), difluoroethane (HFC-152a), 1,1,1,2,3,3,3-heptafluoropropane (HFC-227ea), 1,1,1,3,3,3-hexafluoropropane (HFC-236fa), 1,1,1,3,3-pentafluoropropane (HFC-245fa), 1,1,1,3,3-pentafluorobutane (HFC-365mfc), water, CO 2 and combinations of two or more of these.
摘要:
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.
摘要:
Disclosed are compositions comprising 1,1,1,3,3-pentafluoropropane, 1,1,1,3,3-pentafluorobutane and water, said compositions are environmentally desirable for use as blowing agents for polymer foam, refrigerants, aerosol propellants, metered dose inhalers, heat transfer media, and gaseous dielectrics.