GB775364A - Improvements in soap compositions - Google Patents

Improvements in soap compositions

Info

Publication number
GB775364A
GB775364A GB1311754A GB1311754A GB775364A GB 775364 A GB775364 A GB 775364A GB 1311754 A GB1311754 A GB 1311754A GB 1311754 A GB1311754 A GB 1311754A GB 775364 A GB775364 A GB 775364A
Authority
GB
United Kingdom
Prior art keywords
denotes
carbon atoms
hydrocarbon radical
substituted
per cent
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
GB1311754A
Inventor
John Pedlow Parke
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.)
Unilever PLC
Original Assignee
Unilever PLC
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 Unilever PLC filed Critical Unilever PLC
Priority to GB1311754A priority Critical patent/GB775364A/en
Publication of GB775364A publication Critical patent/GB775364A/en
Expired legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C11ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11DDETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D10/00Compositions of detergents, not provided for by one single preceding group
    • C11D10/04Compositions of detergents, not provided for by one single preceding group based on mixtures of surface-active non-soap compounds and soap

Landscapes

  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Wood Science & Technology (AREA)
  • Organic Chemistry (AREA)
  • Detergent Compositions (AREA)

Abstract

Water-soluble surface-active alkali metal salts of N-substituted amino acids of the general formula R1R11N-R-COOM, where R denotes a hydrocarbon radical which contains more than 3 carbon atoms in the chain, and may be substituted with not more than two methyl or ethyl radicals; R1 denotes a hydrocarbon radical of 10 to 20, preferably 12 to 18, carbon atoms; R11 denotes hydrogen, or an aliphatic hydrocarbon radical preferably methyl or ethyl, containing not more than 4 carbon atoms; and M denotes sodium or potassium, may be prepared by (a) condensation of a fatty amine with a lactone to form a hydroxy-amide, (b) cyclization of this hydroxy-amide by the action of heat to form a cyclic amide, i.e. an N-substituted pyrrolidone, and (c) fission of this cyclic amide with strong acid or alkali to yield the N-substituted amino acid. An example is given in which dodecylamine is condensed with g -butyrolactone to yield N-dodecyl-g -hydroxybutyramide, which compound is cyclized to N-dodecyl pyrrolidone and the latter is hydrolysed to N-dodecyl-g -aminobutyric acid.ALSO:A soap composition includes a water-soluble, surface-active alkali metal salt of a N-substituted amino acid of the general formula R1R11N-R-COOM, where R denotes a hydrocarbon radical which contains 1 to 5, preferably 1 to 4, carbon atoms in the chain, other than the unsubstituted methylene or ethylene radicals, and may be substituted with not more than two methyl or ethyl radicals; R1 denotes a hydrocarbon radical of 10 to 20, preferably 12 to 18, carbon atoms; R11 denotes hydrogen, or an aliphatic hydrocarbon radical preferably methyl or ethyl, containing not more than 4 carbon atoms; and M denotes sodium or potassium. A number of compounds falling within the formula are specified. The amino acid salt is used in amount of at least 5 per cent. and preferably 10-15 per cent, by weight of the soap present. In the case of toilet soaps non-ionic detergents may also be added to the composition in amounts of at least 1 per cent, and preferably 3-10 per cent based on the soap. Suitable non-ionic detergents are the surface-active lower polyalkylene oxide derivatives of long chain alkyl phenols, fatty alcohols, long chain fatty acids, and long chain esters of polyhydric alcohols such as sorbitan monolaurate. The compositions may also include builders such as sodium carbonate and silicate. Examples are given.
GB1311754A 1954-05-05 1954-05-05 Improvements in soap compositions Expired GB775364A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB1311754A GB775364A (en) 1954-05-05 1954-05-05 Improvements in soap compositions

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1311754A GB775364A (en) 1954-05-05 1954-05-05 Improvements in soap compositions

Publications (1)

Publication Number Publication Date
GB775364A true GB775364A (en) 1957-05-22

Family

ID=10017132

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1311754A Expired GB775364A (en) 1954-05-05 1954-05-05 Improvements in soap compositions

Country Status (1)

Country Link
GB (1) GB775364A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3536628A (en) * 1965-12-22 1970-10-27 Frank Lancashire Soap compositions
GB2126224A (en) * 1982-08-20 1984-03-21 Midit Derivatives of ???-amino alkanoic acids

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3536628A (en) * 1965-12-22 1970-10-27 Frank Lancashire Soap compositions
GB2126224A (en) * 1982-08-20 1984-03-21 Midit Derivatives of ???-amino alkanoic acids

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