摘要:
This invention relates to a process for the preparation of a fluorinated compound of the general formulaR.sub.F C.sub.2 H.sub.4 ORcomprising reacting an iodide of the general formula R.sub.F C.sub.2 H.sub.4 I with a percarboxylic acid of the general formula R.sup.1 CO.sub.3 H at a temperature and for a time sufficient to form said fluorinated compound; in said formulae R.sub.F is a straight or branched chain perfluorinated radical containing 1 to 20 C atoms, R is a hydrogen atom or --COR.sup.1, and R.sup.1 is a hydrogen atom or an aliphatic or aromatic hydrocarbon radical.
摘要翻译:本发明涉及制备通式为RFC2H4OR的含氟化合物的方法,包括使通式为RFC2H4I的碘化物与通式为R 1 CO 3 H的过羧酸在足以形成所述氟化化合物的温度和时间下反应; 在所述式中,RF是含有1至20个C原子的直链或支链全氟化基团,R是氢原子或-COR 1,R 1是氢原子或脂族或芳族烃基。
摘要:
Aqueous emulsions of polyfluorinated organic compounds useful as physiological transporters of oxygen, particularly in saline solutions isotonic with blood, are prepared by a method which comprises mixing a polyfluorinated compound with water or aqueous saline solution in the presence of at least one predominantly lipophilic polyfluorinated emulsifier and also at least one predominantly hydrophilic polyfluorinated emulsifier.
摘要:
Perfluoroalkyl amine oxides of the following formula: ##STR1## where C.sub.n F.sub.2n+1 is a straight or branched perfluorinated chain, n is a whole number from 1 to 20, a is a whole number from 2 to 10, p is a whole number from 0 to 10, R.sub.1 is either a hydrogen atom or an alkyl radical having 1 to 6 carbon atoms, and R.sub.2 and R.sub.3 are alkyl radicals having 1 to 6 carbon atoms, and the use of the amine oxides as surface active agents particularly in fire extinguishing compositions.
摘要翻译:下式的全氟烷基氧化胺:其中C n F 2n + 1为直链或支链全氟链,n为1〜20的整数,a为2〜10的整数,p为整数 0至10的数,R1是氢原子或具有1至6个碳原子的烷基,R2和R3是具有1至6个碳原子的烷基,以及使用氧化胺作为表面活性剂,特别是在 灭火组合物。
摘要:
A fluorinated sulphobetaine compound of the general formula ##STR1## wherein R.sub.F represents a straight-chained or branched perfluorinated aliphatic chain C.sub.n F.sub.2n+1 (n being an integer between 1 and 20), a is an integer between 0 and 10, X is CO or SO.sub.2, p is an integer between 0 and 10, R.sub.1 is a hydrogen atom or an alkyl group containing 1 to 6 carbon atoms, R.sub.2 and R.sub.3 are each alkyl radicals containing 1 to 6 carbon atoms, and Z is a bivalent organic group; and fire extinguishing compositions comprising such fluorinated sulphobetaine compounds.
摘要翻译:一种通式为“IMAGE”的氟化磺基甜菜碱化合物,其中RF表示直链或支链全氟化脂族链CnF2n + 1(n为1至20之间的整数),a为0至10之间的整数,X为CO或 SO 2,p为0〜10的整数,R 1为氢原子或碳原子数为1〜6的烷基,R 2和R 3为碳原子数为1〜6的烷基,Z为二价有机基团。 以及包含这种氟化磺基甜菜碱化合物的灭火组合物。
摘要:
This invention relates to improved catalysts for gaseous phase fluoridation of aliphatic chlorinated and chlorofluorinated hydrocarbons by hydrofluoric acid. The catalysts comprise chromium salts or oxides complexed with aluminum phosphate and are characterized by a total specific surface area greater than about 200 m.sup.2 /g, but less than about 1000 m.sup.2 /g a surface area of pores of 40 to 50 .ANG. in radius above about 5 m.sup.2 /g, but less than about 150 m.sup.2 /g, a surface area of pores greater than or equal to 250 .ANG. in radius above about 2 m.sup.2 /g. but less than about 60 m.sup.2 /g. This invention also relates to gaseous phase fluoridation processes for chlorinated or chlorofluorinated derivatives utilizing these catalysts in fluidized bed reactors.
摘要:
This invention relates to improved catalysts for gaseous phase fluorination of aliphatic chlorinated and chlorofluorinated hydrocarbons by hydrofluoric acid. The catalysts are characterized by an active carbon support having a total specific surface area greater than about 1000 m.sup.2 /g but less than about 2000 m.sup.2 /g, a surface area of pores of 40 to 50 .ANG. in radius above about 5 m.sup.2 /g but less than about 15 m.sup.2 /g, a surface area of pores greater than or equal to 250 .ANG. in radius above about 2 m.sup.2 /g but less than about 6 m.sup.2 /g, which has been impregnated with an aqueous chromium trioxide solution and dried. This invention also relates to gaseous phase fluorination processes for chlorinated or chlorofluorinated derivatives utilizing these catalysts in fluidized bed reactors.
摘要:
Aqueous fire-extinguishing compositions comprising a mixture of (1) a nonionic surface-active agent, (2) a amphoteric surface active agent and (3) a fluorinated cationic surface active agent containing as a part of the molecule an aromatic radical.
摘要:
New products and compositions of matter complying with the general formula:[C.sub.n F.sub.2n+1 --CH.sub.2 --.sub.b SO.sub.2 --Z].sub.d Mwherein: C.sub.n F.sub.2n+1 represents a straight or ramified branched perfluorinated chain: n represents a whole number between 1 and 20, b is a whole number between 2 and 20, preferably equal to 2 or 4, Z represents a chlorine, bromine or an oxygen atom (when Z is a chlorine or a bromine atom, M is nothing and d is equal to 1), when Z is an oxygen atom: M is a hydrogen atom in which case, d is equal to 1, M is a metal of the Groups I.sub.A, II.sub.A, I.sub.B, II.sub.B, VIII of the periodic table, the ammonium radical, the aluminum or the lead radical, and in which case d represents the valence of this metal and methods for preparing new products as illustrated by the following representative reactions.
摘要:
Compound of the formula: ##STR1## in which the nucleus A is unsubstituted or substituted by one or two nitro, amino, alkyl, alkoxy, chlorine or bromine and the alkyl and alkoxy each contain up to two carbon atoms capable of being used as intermediate products for preparing dyestuffs, pharmaceutical products or phytopharmaceutical products.
摘要:
A surface-active fluorinated composition characterized by the association therein of from 35% to about 60% of at least one surface-active ampholyte compound of the formula ##EQU1## wherein n is an integer between 1 and 20, a is a number between 2 and 10, R.sub.1 is an atom of hydrogen or an alkyl radical containing from 1 to 6 atoms of carbon, R.sub.2 and R.sub.3 are alkyl radicals containing from 1 to 3 atoms of carbon, at least one of which is the methyl radical and p and q are integers between 0 and 10; from about 20% to about 40% of at least one surface-active fluorinated non-ionic compound of the formulaC.sub.n F.sub.2n.sub.+1 -- (CH.sub.2).sub.a -- CO--O--(CH.sub.2 --CH.sub.2 --O).sub.m R.sub.4wherein n and a have the same meaning as above, m is an integer between 1 and 20 and R.sub.4 is an alkyl radical containing from 1 to 6 atoms of carbon; and from about 8% to about 40% of at least one amine salt compound of the formula ##EQU2## wherein X is the group CO or SO.sub.2 R.sub.1, R.sub.5 and R.sub.6 may be hydrogen atoms, alkyl radicals containing from 1 to 6 atoms of carbon, or the group ##EQU3## in which R.sub.2, R.sub.3, p and q have the values given above.
摘要翻译:一种表面活性氟化组合物,其特征在于其中含有35%至约60%的至少一种式R 2 C n F 2n + 1(CH 2)a-CON-(CH 2)p N +的表面活性两性电解质化合物 ---(CH2)qCOO - | R1R3其中n为1至20之间的整数,a为2至10之间的数,R1为氢原子或含有1至6个碳原子的烷基, R2和R3是含有1至3个碳原子的烷基,其中至少一个是甲基,p和q是0和10之间的整数; 约20%至约40%的至少一种式CnF2n + 1-(CH2)a-CO-O-(CH2-CH2-O)mR4的表面活性氟化非离子化合物,其中n和a具有 m为1〜20的整数,R 4为含有1〜6个碳原子的烷基; 和约8%至约40%的至少一种式R 1 C n F 2n + 1 - (CH 2)a -XO - HN - R 6 R 6的胺盐化合物,其中X为基团CO或SO 2 + L,R 1,R 5和R 6可以是氢原子,含有1至6个碳原子的烷基或基团R 2 - (CH 2)p N + - (CH 2)q -COOH - ,其中 R2,R3,p和q具有上面给出的值。