Additives for otto cycle engine fuels

    公开(公告)号:GB929135A

    公开(公告)日:1963-06-19

    申请号:GB2937561

    申请日:1961-08-15

    Applicant: BASF AG

    Abstract: An additive for fuels, e.g. gasoline containing 20% of benzene, comprises at least one glycol and pyrolidone and/or piperidone or their derivatives. Lists of suitable compounds are given and include O-alkyl derivatives of piperidone, and polyglycols. Specification 754,904 is referred to.

    Production of carboxylic acid monoesters of vicinal diols

    公开(公告)号:GB1139634A

    公开(公告)日:1969-01-08

    申请号:GB2388666

    申请日:1966-05-27

    Applicant: BASF AG

    Abstract: 1,139,634. Glycol monoesters. BADISCHE ANILIN- & SODA-FABRIK A.G. 27 May, 1966 [29 May, 1965; 23 Oct., 1965], No. 23886/66. Heading C2C. Carboxylic acid monoesters of aliphatic, cycloaliphatic or arylaliphatic vicinal diols are obtained by reacting a carboxylic acid with an epoxide derived from an aliphatic, cycloaliphatic or arylaliphatic olefine at elevated temperature in the presence of a thioether or a sulphoxide. Suitable carboxylic acids are aliphatio mono- or poly-carboxylic acids, cycloaliphatic, araliphatic and aromatic mono- or poly-carboxylio acids. Suitable epoxides are aliphatic, cycloaliphatic and araliphatic epoxides. Specified thioethers and sulphoxides are those of the formulµ R-S-R 1 and R-SO-R 1 wherein R and R 1 represent organic radicals and they may together form a ring. The thioethers may be formed in situ from H 2 S, mercaptans or thiophenols and alkylene oxide reactant. The sulphoxides may also be formed in situ from thioethers and oxidizing agents. Examples are given for the production of glycol monoacetate, glycol monoacrylate, glycol monobenzoate, bis- (hydroxyethyl)-terephthalate and the monoglycol ester of terephthalic acid.

    Process for finishing synthetic fibres

    公开(公告)号:GB1063629A

    公开(公告)日:1967-03-30

    申请号:GB2851764

    申请日:1964-07-10

    Applicant: BASF AG

    Abstract: A finishing agent for synthetic fibres and fabrics comprises an aqueous solution of an ethenoxylated polyamide which is produced by reacting 1 part by weight of polyamide with 2.5-3.5 parts by weight of ethylene oxide at 80-100 DEG C. and a pressure between 2 atmospheres gauge and the liquifaction pressure of the ethylene oxide and dissolving the product in water at 90-150 DEG C. The polyamide may be produced in the presence of an acid or neutral catalyst from pentamethylene diamine, hexamethylene diamine, and/or decamethylene diamine or salts thereof, adipic, pimelic, sebacic, terephthalic, phenylene diacetic or phenylene dipropionic acids or derivatives thereof having oxygen or sulphur in the carbon chain, o -amino-butyric, caproic, caprylic, capric, undecanic and dodecanic acids or lactams thereof. Their water content may be reduced to less than 1%. Unreacted ethylene oxide may be recovered by restoring atmospheric pressure within the reaction vessel and condensing the issuing gas. The ethenoxylated polyamide may be dissolved in the presence of a solubilizer, or oxidizing or reducing agent. Solubilizers specified are: ethanol, propanol, ethylene glycol, ethylene glycol monomethyl ether, T.H.F., dioxane, acetone, H2SO4, H3PO4, H3BO3, HCOOH, CH3COOH. 20-200% may be used. 0.05-1% H2O2 may be used as oxidizing or reducing agent. Other suitable reducing agents are NaBH4 and sodium hypophosphite. The colloidal solution may contain 1-50% of the ethenoxylated polymer. The water may be allowed to evaporate and the product redissolved in hot water.ALSO:The water-absorbency of fibres, fabrics and sheets may be increased by impregnating them with an aqueous colloidal dispersion of an ethenoxylated polyamide. The solution is prepared by treating a polyamide with 2.5-3.5 times its own weight of ethylene oxide at 80 DEG -100 DEG C. and a pressure between 2 atmospheres and the liquifaction pressure of ethylene oxide and dispersing the reaction product in water at 90 DEG -150 DEG C. Polyamides specified include nylon 6/66 and nylon 6.20-50% of the ethenoxylated polyamide may be dispersed in water in the presence of a solubilizing agent, e.g. EtoH. 0.05-1% of an oxidizing agent, e.g. H2O2, or 0.05-0.5% of a reducing agent may also be present during dispersion. The pH of the dispersion may be adjusted to 3-7, e.g. with acetic acid. The viscous or gelatinous dispersion may be diluted with water before impregnation to 1-10% concentration. The impregnation may be at elevated temperature using a foulard or by steeping and drying.

    Fuels for otto-cycle engines
    9.
    发明专利

    公开(公告)号:GB1008585A

    公开(公告)日:1965-10-27

    申请号:GB3294462

    申请日:1962-08-28

    Applicant: BASF AG

    Abstract: An additive for fuel for Otto-cycle engines, e.g. premium gasoline, comprises:-(a) one or more compounds of the formula HO-[ROn]-H in which R is an alkylene radical and n is an integer from 2 to 5, in an amount of less than 0.1% by volume with reference to the fuel; and either (b) one or more monohydric alcohols in amount less than 1% by vol, or (c) one or more aliphatic and/or cyclic amides in amount less than 0.1% by vol., or a mixture of (b) and (c). Specified compounds (a) are glycols containing one or more ether linkages obtained from 1,2-propylene oxide or 1,2- or 2,3-butylene oxide. Specified compounds (b) are methanol, ethanol, propanol, isopropanol, butanol and isobutanol. Specified compounds (c) are mono- and di-methyl formamide, and pyrrolidones-2 and piperidones-2 and derivatives thereof. The additive mixture may additionally contain less than 0.1% by vol. of one or more glycol ethers and/or monomeric glycols having hydroxyl groups on vicinal carbon atoms, for example diethylene glycol-monomethyl ether, propyl diglycol ether, butyl diglycol ether, ethylene glycol and 1,2-propylene, butylene and isobutylene glycols. Several specific additive mixtures are given.

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