GB359449A - Improvements in or relating to wetting, penetrating, foaming and dispersing agents - Google Patents

Improvements in or relating to wetting, penetrating, foaming and dispersing agents

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Publication number
GB359449A
GB359449A GB20810/30A GB2081030A GB359449A GB 359449 A GB359449 A GB 359449A GB 20810/30 A GB20810/30 A GB 20810/30A GB 2081030 A GB2081030 A GB 2081030A GB 359449 A GB359449 A GB 359449A
Authority
GB
United Kingdom
Prior art keywords
sulphonated
sulphuric acid
acid
octadecenyl
ethers
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
GB20810/30A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
H Th Bohme AG
Original Assignee
H Th Bohme AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by H Th Bohme AG filed Critical H Th Bohme AG
Publication of GB359449A publication Critical patent/GB359449A/en
Expired legal-status Critical Current

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Abstract

Sulphonated aliphatic ethers, prepared by sulphonating alkyl ethers (up to the cetyl ether) of aliphatic unsaturated or polyhydric alcohols which contain one or more double bonds and/or free hydroxy groups and more than eight carbon atoms in the molecule are used as dispersing and fat-splitting agents. By sulphonation, e.g. with sulphuric acid, oleum or chlor-sulphonic acid, under mild conditions, that is to say at a temperature of 0 DEG C. or below, sulphuric esters are obtained, whilst the sulphonation of unsaturated ethers containing no hydroxy groups, at higher temperatures gives true sulphonic acids. The products may be used alone or mixed with aromatic sulphonic acids or their salts, sulphonated oils, soaps or fat solvents, e.g. hydrocarbons or halogenated hydrocarbons. In examples: (1) octadecenyl-n-butylether is sulphonated with sulphuric acid; (2) octadecyleneglycolmonomethylether is sulphonated with chlorsulphonic acid in the presence of trichlorethylene; (3) octadecenyl-isopropylether is treated with sulphuric acid in the presence of acetic anhydride. Reference has been directed by the Comptroller to Specifications 343,872 and 343,901.ALSO:Sulphonated aliphatic ethers, which may be used in the textile and leather industries as wetting, penetrating, dispersing, and foaming agents are prepared by sulphonating alkyl ethers (up to the cetyl ether) of aliphatic unsaturated or polyhydric alcohols which contain more than eight carbon atoms and one or more double bonds and/or free hydroxy groups in the molecule. By sulphonation e.g. with sulphuric acid, oleum or chlorsulphonic acid, under mild conditions, that is to say at a temperature of 0 DEG C. or below, sulphuric esters are obtained, whilst the sulphonation of unsaturated ethers containing no hydroxy groups, at higher temperatures gives true sulphonic acids. The products may be used alone or mixed with aromatic sulphonic acids or their salts, sulphonated oils, soaps or fat solvents, e.g. hydrocarbons or halogenated hydrocarbons. In examples: (1) octadecenyl-n-butylether is sulphonated with sulphuric acid; (2) octadecyleneglycolmonomethylether is sulphonated with chlorsulphonic acid in the presence of trichlorethylene; (3) octadecenyl-isopropylether is treated with sulphuric acid in the presence of acetic anhydride. The use of the products in the manufacture of fat splitting agents, vermicides, dust binding agents and metal working liquids, e.g. boring oils, is referred to, and they may be added to mercerizing (soda) and carbonizing (sulphuric acid) liquids. Octadecenyl isopropyl and n-butyl ethers are prepared by refluxing a mixture of the appropriate alcohol with sulphuric acid, and fractionally distilling the products. Octadecyleneglycolmonomethylether is prepared by reducing oxystearic ester and methylating the resulting glycol. Reference has been directed by the Comptroller to Specifications 343,872 and 343,901.
GB20810/30A 1929-09-20 1930-07-09 Improvements in or relating to wetting, penetrating, foaming and dispersing agents Expired GB359449A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE359449X 1929-09-20

Publications (1)

Publication Number Publication Date
GB359449A true GB359449A (en) 1931-10-09

Family

ID=6291182

Family Applications (1)

Application Number Title Priority Date Filing Date
GB20810/30A Expired GB359449A (en) 1929-09-20 1930-07-09 Improvements in or relating to wetting, penetrating, foaming and dispersing agents

Country Status (1)

Country Link
GB (1) GB359449A (en)

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