CAS: 1171-47-7; 2,2-Bis(4-Carboxyphenyl)Hexafluoropropane

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1,1,1,3,3,3-hexafluoro-2,2-di(p-tolyl)propane 2,2-bis(4-chlor°Carbonylphenyl)-hexafluoropropane 2,2-bis(4-aminophenyl)hexafluoropropane [Co(4,4'-hexafluoroisopropylidene)bis(benzoate))(1,3-di(4-pyridyl)propane)]*MeOH

2,2-双(4-甲基苯基)六氟丙烷置于氧气体系中,90.0~120.0 °C,101.33 Kpa 条件下,以95.3%的收率获得2,2-双(4-羧基苯基)六氟丙烷
参考文献:一种2,2-双(4-氨基苯基)六氟丙烷的绿色制备方法
标题:一种2,2-双(4-氨基苯基)六氟丙烷的绿色制备方法
摘要:本发明涉及精细有机合成领域,尤其涉及一种2,2‑双(4‑氨基苯基)六氟丙烷的绿色制备方法,包括以下步骤:(A)在全氟化合物溶剂中,2,2‑双(4‑甲基苯基)六氟丙烷和氧气发生氧化反应,分离得到2,2‑双(4‑羧基苯基)六氟丙烷;(B)将步骤(A)得到的化合物与氨气在有机溶剂中回流反应,得到2,2‑双(4‑羧基苯基)六氟丙烷的铵盐;(C)将步骤(B)得到的化合物与有机溶剂混合加热,升温脱水,得到2,2‑双(4‑甲酰胺基苯基)六氟丙烷;(D)在氢氟醚溶剂中,将步骤(C)得到的化合物与次氯酸钠进行霍夫曼降解反应,纯化得到2,2‑双(4‑氨基苯基)六氟丙烷.本发明选用氧化剂经济绿色,氧化溶剂不燃不爆;霍夫曼反应选用氢氟醚溶剂减少产生高cod废水,有利于工业化生产.

专利信息

专利号:WO-2024208876-A1
优先权日:2023-04-03
标题 :Ductile polyamide with the in situ synthesis of a polyimide phase by reactive extrusion
发明人：CASSAGNAU PHILIPPE; DELAGE KARIM; BOUNOR-LEGARE VÉRONIQUE; MARESTIN CATHERINE; DUBOIS CHARLOTTE; GAROIS NICOLAS
权利人:TOTALENERGIES ONETECH; UNIV CLAUDE BERNARD LYON 1 UCBL; CENTRE NAT RECH SCIENT; UNIV JEAN MONNET SAINT ETIENNE UJM; INSTITUT NAT DES SCIENCES APPLIQUEES DE LYON INSA LYON
摘要:The disclosure relates to a ductile polyamide and to a process to produce a ductile polyamide comprising providing components comprising one or more polyamides, one or more dianhydrides, and one or more diamines; wherein the one or more polyamides are provided at a content of at least 60 wt.% based on the total weight of the components; and wherein the one or more polyamides comprise at least one polyamide having amide groups separated by less than 10 carbon atoms; performing in situ synthesis of a polyimide by reactive extrusion of the components wherein the residence time is less than 10 minutes; and recovering a polyamide-polyimide blend being a ductile polyamide comprising a continuous polyamide phase and a dispersed polyimide phase.

专利号:EP-2960274-A1
优先权日:2014-06-23
标题 :One pot synthesis of thermally reduced graphene oxide (TRGO)-polymer nanocomposites.
发明人：BOBENRIETH ALEXIS
权利人:SOLVAY
摘要:Process for manufacturing a thermally reduced graphene oxide-polymer nanocomposite from graphene oxide and monomer(s) comprising at least: n(A) a thermal reduction of graphene oxide, so as to form said thermally reduced graphene oxide, and n(B) a polymerization of the monomer(s) in the presence of said thermally reduced graphene oxide to yield said nanocomposite, n(A) and (B) being performed in the same reactor, nwherein polymerization (B) is only started when the oxygen content of the thermally reduced graphene oxide formed from the graphene oxide reaches a value below 15%. The present invention further relates to a nanocomposite and a Masterbatch obtainable by said process.

专利号:US-9951181-B2
优先权日:2013-10-21
标题:Polyamides containing the bio-based 2,5-furandicarboxylic acid
发明人：SMITH DEEDEE; FLORES JOEL; ABERSON RENÉ; DAM MATHEUS ADRIANUS; DUURSMA ATE; GRUTER GERARDUS JOHANNES M
权利人:FURANIX TECHNOLOGIES BV; SYNVINA C V
摘要:Polyamides are made from the polycondensation of monomers including from 15 to 80 mol % of 2,5-furandicarboxylic acid (FDCA), from 20 to 85 mol % of at least one aromatic dicarboxylic acid and from 50 to 100 mol % of at least one aliphatic diamine selected from those including 6 and 7 carbon atoms. A process allowing the synthesis of high molecular weight polyamides made from the above mentioned monomers is also described. Finally, compositions and articles including the same polyamides are also disclosed.

专利号:US-11905246-B2
优先权日:2014-05-26
标 题 :Design, synthesis and characterization of metal organic frameworks
发明人：EDDAOUDI MOHAMED; XUE DONGXU; LUEBKE RYAN; GUILLERM VINCENT; PEEDIKAKKAL ABDUL MALIK PUTHAN; ADIL KARIM; WESELINSKI LUKASZ
权利人:UNIV KING ABDULLAH SCI & TECH; KING ABDULLAH UNIV OF SCIENCE & TECHNOLOGY
摘要:A molecular building block composition can include a metal ion component; and a ligand component including a core including at least one functional group associated with the metal ion component and the core.

专利号:WO-2009089355-A1
优先权日:2008-01-11
标 题 :Anion exchange membranes
发明人：XIE DONG; CHEN RONGRONG; WANG GUIGUI; HSU ANDREW
权利人:UNIV INDIANA RES & TECH CORP; XIE DONG; CHEN RONGRONG; WANG GUIGUI; HSU ANDREW
摘要:Alkaline anion exchange membranes are described. The synthesis of the polymers forming alkaline anion exchange membranes are described, including chloromethylation, quaternization, and alkalinization of polymers.

专利号:US-11136286-B2
优先权日:2017-01-27
标题:Diamine compound, and polyimide compound and molded product using the same
发明人：GOSHIMA TOSHIYUKI; SOE WIN MAW
权利人:WINGO TECH CO LTD
摘要:[Problems to be solved] The present invention provides a novel diamine compound which allows for the synthesis of a polyimide compound having a high solubility in an organic solvent and a high melt moldability.[Solution] The diamine compound according to the present invention is characterized by being represented by the following general formula (1):(whereinR1 to R8 are each independently selected from the group consisting of a hydrogen atom, a fluorine atom, a substituted or unsubstituted alkyl group, and a substituted or unsubstituted aromatic group; and at least one of R1 to R8 is a substituted or unsubstituted aromatic group).