Abstract:
An electrochemical cell pack includes a housing having an interior space; a plurality of electrochemical cells disposed within the interior space; and a working fluid disposed within the interior space such that the electrochemical cells are in thermal communication with the working fluid. The working fluid has a dielectric constant of less than 3 and a dipole moment of less than 1.5 D.
Abstract:
A foamable composition includes a blowing agent, a foamable polymer or a precursor composition thereof, and a nucleating agent. The nucleating agent includes a compound having structural formula (I) R 1 SO 2 R 2 (SO 2 R 3 ) n (I) where R 1 , R 2 , and R 3 are each independently a fluoroalkyl group having from 1 to 10 carbon atoms that is linear, branched, or cyclic and optionally contain at least one catenated ether oxygen atom or a trivalent nitrogen atom, and n is 0 or 1.
Abstract:
The present invention relates to an unsaturated fluorinated ether or amine compound of formula (I) with low global warming potential and method of making the compound (I), where R H 1 is and R H 2 are independently selected from H or CH 3 , wherein when R H 1 is CH 3 then R H 2 is H and when R H 2 is CH 3 , then R H 1 is H; X is O or N and when X is O, then n is 1 and R f is a linear or branched perfluorinated alkyl group comprising 1-10 carbon atoms and optionally comprising at least one catenated O or N atom; X is N, then n is 2 and (i) each R f is independently selected from a linear or branched perfluorinated alkyl group comprising 1 -8 carbon atoms and optionally comprising at least one catenated O or N atom, or (ii) the two R f 's are bonded together to form a ring structure optionally comprising at least one catenated O or N atom, wherein the ring of the ring structure consists of 5-7 atoms, no more than 10 carbon atoms, and is perfluorinated. The applications of the compound include solvent cleaning, electrolyte solvents or additives, heat transfer, and vapour phase soldering.
Abstract translation:本发明涉及具有低全球变暖潜能值的式(I)的不饱和氟化醚或胺化合物和制备化合物(I)的方法,其中R H, 1和R 2独立地选自H或CH 3,其中当R H 1是CH 3,则R 2 H 2是H,并且当R H 2是H时, 2是CH 3,则R H = 1是H; X是O或N,并且当X是O时,则n是1且R f是包含1-10个碳原子的直链或支链全氟化烷基,并且任选地包含至少一个连接的O或N原子 ; X是N,则n是2并且(i)每个R f独立地选自包含1-8个碳原子的直链或支链全氟化烷基并且任选地包含至少一个连接的O或N原子 ,或(ii)两个R f'结合在一起形成任选地包含至少一个连接的O或N原子的环结构,其中环结构的环由5-7个原子 ,不超过10个碳原子,并且是全氟化的。 该化合物的应用包括溶剂清洗,电解质溶剂或添加剂,传热和气相焊接。 p>
Abstract:
Described herein is a cyclic fluorinated compound of formula (I) where: L is O, CH 2 , or a covalent bond; X is selected from F or CF 3 , and Y is selected from H, F, or CF 3 , wherein when X is CF 3 then Y is F and when Y is CF 3 then X is F„ each R f 1 is independently selected from a linear or branched perfluorinated alkyl group comprising 1-8 carbon atoms and optionally comprising at least one catenated atom selected from O, N, or combinations thereof; or the two R f 1 groups are bonded together to form a fluorinated ring structure comprising 4-8 carbon atoms and optionally comprising at least one catenated atom selected from O, N, or combinations thereof; the -CFZ-CHAQ group is bonded to a ring carbon that is alpha to at least one O atom of the ring; A is selected from F, or CF 3 ; Z is selected from H, F, or CF 3 ; and Q is selected from (i) a F atom, (ii) a Cl atom, (iii) a linear, cyclic, or branched perfluorinated alkyl group comprising 1-8 carbon atoms and optionally comprising at least one catenated atom selected from O, N, or combinations thereof, or (iv) a G(R f 2 ) e group, where G is an O atom or a N atom wherein: when Q is a Cl atom, then Z and A are F atoms; when G is O then e is 1, Z is H, F, or CF 3 ; A is F; and R f 2 is a linear or branched perfluorinated alkyl group comprising 1-10 carbon atoms and optionally comprising at least one catenated atom selected from O, N, or combinations thereof; when G is N then e is 2, and each R f 2 group is independently a linear or branched perfluorinated alkyl group comprising 1-8 carbon atoms and optionally comprising at least one catenated atom selected from O, N, or combinations thereof or the two R f 2 groups are bonded together to form a fluorinated ring structure comprising 4-8 carbon atoms and optionally comprising at least one catenated atom selected from O, N, or combinations thereof, with the proviso that when A is CF 3 then Z is F, and when Z is CF 3 then A is F.
Abstract:
A deposition composition includes a solvent comprising a hydrofluorothioether compound represented by the following general formula (I): Rf-S-Rh where Rf is a fluorinated or perfluorinated group having 2-9 carbon atoms and optionally includes one or more catenated heteroatoms or chlorine atoms, and Rh is a non-fluorinated hydrocarbon group having 1-3 carbon atoms. The deposition composition further includes a coating material that is soluble or dispersible in said solvent.
Abstract:
A composition including a compound having structural formula (I): R f is a linear or branched perfluoroalkyl group having 1-3 atoms; n is 0-2; x is 1-3; and R f' and R f" are (i) independently, a linear or branched perfluoroalkyl group having 1-8 carbon atoms; or (ii) are bonded together to form a ring structure having 4-8 carbon atoms. The composition further includes a hydrocarbon contaminant.
Abstract:
Described herein is a perfluorinated aminoolefin compound of general formula (I): CFY=CXN(R f )CF2R f ' where: (a) R f and R f ' are (i) independently selected from a linear or branched perfluoroalkyl group having 1-8 carbon atoms, optionally comprising at least one catenated O or N atom, or (ii) bonded together to form a perfluorinated ring structure having 4-8 ring carbon atoms, optionally comprising at least one catenated O atom; and (b) X and Y are (i) independently selected from a perfluoroalkyl group having 1-4 carbon atoms, or (ii) bonded together to form a perfluorinated ring structure having 5-6 ring carbon atoms. Such compounds may be used in heat transfer, foam blowing or immersion cooling applications, or as a working fluid in a Rankine cycle, a coating or lubricant, or as a dielectric fluid. Also disclosed herein is a method for making such compounds.
Abstract:
Provided is an apparatus for heat transfer that includes a device and a mechanism for transferring heat to or from the device, comprising using a heat transfer fluid, wherein the heat transfer fluid includes a hydrofluorocarbonate. Also provided is a method for transferring heat that includes providing a device and using the heat transfer fluid that includes a hydrofluorocarbonate to transfer heat to or from the device.
Abstract:
Provide are fluorinated cyclic and acyclic carbonate solvent compositions such as various fluorine substituted 1,3-dioxolane-2-one compounds and fluorine substituted 1,3-dioxane-2-one compounds, which are useful as electrolyte solvents for lithium ion batteries.