摘要:
This invention relates to carboxylated polyfluoroamine compounds of the general formula ##STR1## wherein the radical C.sub.n F.sub.2n.sub.+1 -- is a straight or branched perfluorinated chain, n is an integer from 1 to 20, a is an integer from 2 to 10, p is an integer from 1 to 10, R.sup.2 and R.sup.3 each is an alkyl radical containing from 1 to 6 carbon atoms and R.sup.1 is a hydrogen atom or an alkyl radical containing from 1 to 6 carbon atoms and the process for their preparation.
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。
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:
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:
Process for drying wet F32, which comprises placing a stream of the said F32 in continuous contact with a feed stock of a composition comprising a molecular sieve chosen from a 3A type sieve, at a temperature of between 5 and 78° C. and at a pressure of between 0.5 and 25 atm.
摘要:
In order to stabilize 1,1-dichloro-1-fluoroethane containing traces of vinylidene chloride, at least one ethylenic hydrocarbon containing at least 4 carbon atoms is added thereto.
摘要:
Process for drying wet F32, which comprises placing a stream of the said F32 in continuous contact with a feed stock of a composition comprising a molecular sieve chosen from a 3A type sieve, at a temperature of between 5 and 78° C. and at a pressure of between 0.5 and 25 atm.
摘要:
This invention relates to compounds which simultaneously contain a perfluorinated chain and a hydrogenated chain and which correspond to the general formula: ##STR1## in which R.sub.F is a perfluoroalkyl radical, m an integer from 0 to 2, R.sub.H an alkyl radical, X an OH or NR.sub.1 R.sub.2 group, and R.sub.1 and R.sub.2 are hydrogen atoms or methyl radicals. The amides (X=NR.sub.1 R.sub.2) are prepared by photoamidation of the polyfluoroolefins R.sub.F --(CH.sub.2).sub.p --CH.dbd.CH--C.sub.n H.sub.2n+1 where p is equal to 0 or 1 and n is an integer from 1 to 17, and the acids (X=OH) are prepared by hydrolysis of the amides thus obtained.The acids and their salts may be employed as surface-active agents or, as also the amides, as intermediates for the synthesis of such agents.
摘要:
To remove the olefinic impurities from a hydrochlorofluoroethane of formula: CF.sub.3 --CHClX (X=H, F, or Cl), it is subjected to a photochlorination stage.