专利号:US-2023021452-A1 优先权日:2020-03-18 标 题:Modular flow reactors for accelerated synthesis of indium phosphide quantum dots 发明人:ABOLHASANI MILAD; RAMEZANI MAHDI 权利人:UNIV NORTH CAROLINA STATE 摘要:System for synthesis of colloidal nanomaterial includes a multi-stage modular flow reactor that includes four distinct reactor modules for in-flow synthesis of colloidal nanomaterial. The system further includes a computer module for monitor and control of operations of the four reactor modules.
专利号:US-8309740-B2 优先权日:2008-05-13 标题 :One-pot synthesis of fluorinated ionic liquids 发明人:LEE HYUN JOO; SUH DONG JIN; AHN BYOUNG SUNG; KIM HONG GON; KIM CHANG SOO; KIM HOON SIK 权利人:LEE HYUN JOO; SUH DONG JIN; AHN BYOUNG SUNG; KIM HONG GON; KIM CHANG SOO; KIM HOON SIK; KOREA INST SCI & TECH 摘要:The present invention relates to a method for one-pot synthesis of ionic liquid with fluoroalkyl group, more particularly to a method for one-pot synthesis of ionic liquid with fluoroalkyl group represented by the following Chemical Formula 1 by adding and reacting a nitrogen-containing compound, a Brønsted acid of the formula YH and a fluoroolefin compound of the formula CFR 1 â•?CR 2 R 3 in a single reactor: n n n n n n n n n n wherein n nrepresents a nitrogen-containing compound; Y − represents an anion of the Brønsted acid; and R 1 , R 2 and R 3 , which may be same or different, represent hydrogen, fluorine, C 1 -C 10 alkyl or C 1 -C 10 fluoroalkyl having from 1 to 23 fluorine atoms.
专利号:US-7674876-B2 优先权日:2005-05-25 标题:Synthesis of novel monomers containing the trifluorovinylidene group and the cyanato group and polymers thereof 发明人:DREYER CHRISTIAN; BAUER MONIKA; IYER SURESH S; SMITH DENNIS W 权利人:FRAUNHOFER GES FORSCHUNG; UNIV CLEMSON 摘要:Novel hybrid monomers containing both the aryltrifluorovyinyloxyether-group (TFVE-group) and the cyanato-group, their synthesis, and the synthesis of polymers made from these new hybrid monomers are disclosed.
专利号:US-4705904-A 优先权日:1984-02-14 标 题:Vapor phase synthesis of hexafluoroisobutylene 发明人:BONFIELD JOHN H; ULMER HARRY E 权利人:ALLIED CORP 摘要:A vapor phase synthesis of hexafluoroisobutylene, which comprises contacting in the vapor phase in a catalyst zone, B, of a reactor hexafluoropropylene oxide with a fluorinated catalyst such as fluorinated silica-alumina at a temperature of about 400°-600° C. for a residence time sufficient to form a vapor stream comprising hexafluoroacetone which is thereafter directly contacted in a heating zone of the reactor with a vapor stream comprising a keytone-generating compound such as acetic anhydride at a temperature of about 500°-700° C. for a residence time sufficient to form a stream comprising hexafluoroisobutylene, substantially-free of perfluoroisobutylene and recovering the hexafluoroisobutylene product is disclosed. A direct one reactor vapor phase synthesis of hexafluoroisobutylene which comprises (a) contacting, in the vapor phase, hexafluoropropene with less than a stoichiometric amount of oxygen required to convert substantially all the hexafluoroisopropene into hexafluoropropylene oxide in the presence of a fluorinated catalyst such as fluorinated silica-alumina at a temperature of about 400°-600° C. for a time sufficient to form a vapor stream comprising hexafluoropropylene oxide substantially-free of oxygen; (b) directly contacting said vapor stream, in a catalyst zone, B, containing a fluorinated catalyst which is preferably the same as used in catalyst zone, A, at a temperature of about 400°-650°, preferably about 500°-650° C. for a time sufficient to form a vapor stream comprising hexafluoroacetone; (c) directly contacting the vapor stream comprising hexafluroacetone with a vaporized compound such as acetic anhydride at a temperature of about 500°-700° C., preferably about 600° C. for a time sufficient to form a vapor stream comprising hexafluoroisobutylene, substantially-free of perfluoroisobutylene; and (d) recovering hexafluoroisobutylene is also disclosed.
专利号:US-2012184653-A1 优先权日:2011-01-18 标 题:Synthesis of linear phosphorus-containing functional fluorocopolymer 发明人:WANG LIANG; WANG VIKTORIA 权利人:WANG LIANG; WANG VIKTORIA 摘要:This invention relates to a synthesis of a linear fluorocopolymer having a plurality of pendant phosphorus-containing functional groups. The synthesized phosphorus-containing fluorocopolymer has chain linearity and narrow molecular weight distributions. It has applications as a lubricant additive that provides friction-reduction, anti-wear, and corrosion protection properties.
专利号:US-7371904-B2 优先权日:2004-04-29 标题:Processes for synthesis of 1,3,3,3-tetrafluoropropene 发明人:MA JING JI; MUKHOPADHYAY SUDIP; NAIR HARIDASAN K; TUNG HSUEH S; VAN DER PUY MICHAEL 权利人:HONEYWELL INT INC 摘要:Disclosed is a process for the synthesis of 1,3,3,3-tetrafluoropropene which comprises, in one embodiment, reacting a compound of CF 3 X 1 with a compound of CX 2 Hâ•?CHX 3 , wherein X 1 , X 2 , and X 3 are each independently selected from the group consisting of fluorine, chlorine, bromine and iodine, to produce a reaction product comprising a compound of CF 3 CHâ•?CHX 3 , wherein X 3 is as described above; and when X 3 is not fluorine, fluorinating the compound to produce 1,3,3,3-tetrafluoropropene. The process in another embodiment comprises preparing tetrafluoropropene comprising thermally cracking one or more compounds capable of producing a reaction mixture which preferably comprises diflurocarbene radicals and vinylidene fluoride, and converting said reaction mixture into—tetrafluoropropene (1,3,3,3-tetrafluoropropene).