GB836988A - Improvements in or relating to bleaching and detergent compositions - Google Patents

Improvements in or relating to bleaching and detergent compositions

Info

Publication number
GB836988A
GB836988A GB21686/55A GB2168655A GB836988A GB 836988 A GB836988 A GB 836988A GB 21686/55 A GB21686/55 A GB 21686/55A GB 2168655 A GB2168655 A GB 2168655A GB 836988 A GB836988 A GB 836988A
Authority
GB
United Kingdom
Prior art keywords
ester
esters
per
acetate
phenols
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
GB21686/55A
Inventor
Thomas Daniel Davies
George Charlesworth Hampson
Francis Robert Maxwe Mcdonnell
Gert Schmerlaib
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 ES0229997A priority Critical patent/ES229997A1/en
Publication of GB836988A publication Critical patent/GB836988A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
    • C11D3/39—Organic or inorganic per-compounds
    • C11D3/3902—Organic or inorganic per-compounds combined with specific additives
    • C11D3/3905—Bleach activators or bleach catalysts
    • C11D3/3907—Organic compounds
    • C11D3/391—Oxygen-containing compounds
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06L—DRY-CLEANING, WASHING OR BLEACHING FIBRES, FILAMENTS, THREADS, YARNS, FABRICS, FEATHERS OR MADE-UP FIBROUS GOODS; BLEACHING LEATHER OR FURS
    • D06L4/00—Bleaching fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods; Bleaching leather or furs
    • D06L4/10—Bleaching fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods; Bleaching leather or furs using agents which develop oxygen
    • D06L4/12—Bleaching fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods; Bleaching leather or furs using agents which develop oxygen combined with specific additives

Landscapes

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

Abstract

A detergent composition comprises (1) soap or a synthetic detergent such as an alkyl sulphate, alkylaryl sulphonate, or isethionate, (2) an inorganic per-salt, and (3) an organic carboxylic ester having, in a test which is described in detail, a titre of not less than 1.5 ml. of 0.1N Na2S2O3. Per-salts which may be used are the alkali-metal percarbonates, perpyrophosphates, persilicates and particularly perborates. Suitable esters are those which do not yield easily oxidizable hydrolysis products, such as polyhydric phenols, unsubstituted lower aliphatic aldehydes, and a - and b -diketones; examples are (a) esters of phenols and substituted phenols, (b) esters of monohydric aliphatic alcohols containing electrophilic substituents, (c) esters of polyhydric aliphatic alcohols containing several ester groups on adjacent carbon atoms, (d) esters of mono- and di-saccharides containing preferably 3 or more ester groups on adjacent carbon atoms, (e) esters containing 2 ester groups attached to the same carbon atom, (f) esters of the enolic forms of ketones, and (g) esters of N-substituted derivatives of hydroxylamine. Many esters are specified; representative members of each class are (a) phenyl benzoate, (b) trichloroethyl acetate, (c) sorbitol hexa-acetate, (d) glucose tetra- or penta-acetate, (e) benzaldehyde diacetate, (f) isopropenyl acetate, and (g) acetyl acetohydroxamic acid. A particularly favoured ester belonging to class (a) is the benzoyl ester of commercial (sodium or potassium) phenol sulphonate. The ester should be present in an amount such that there is either 0.25-2 molecules of ester per atom of available oxygen, or 2-15 parts of ester to each part of hydrogen peroxide (100%) by weight. A preferred composition is one which contains 2-30% of ester and 1-15% of per-salt. One or more alkaline substances such as alkali metal carbonates, phosphates (including polyphosphates) and silicates are preferably also added so that the composition before the addition of the ester would have a pH of 9-11. The compositions for use in the process may also include alkali metal chlorides or sulphates, carboxymethyl cellulose or fluorescent agents.ALSO:A bleaching process comprises the use of an aqueous solution containing hydrogen peroxide, which may either be added to the solution as a liquid, or produced in situ by liberation from a per-salt, and a carboxylic ester having a titre, in a test which is described in detail, of not less than 1.5 ml. of 0.1NNa2S2O3. Per-salts which may be used are the alkali-metal percarbonates, perpyrophosphates, persilicates, and particularly perborates. Suitable esters are those which do not yield easily oxidizable hydrolysis products, such as polyhydric phenols, unsubstituted lower aliphatic aldehydes, and a - and b -diketones; examples are (a) esters of phenols and substituted phenols, (b) esters of monohydric aliphatic alcohols containing electrophilic substituents, (c) esters of polyhydric aliphatic alcohols containing several ester groups on adjacent carbon atoms, (d) esters of mono- and di-saccharides containing preferably 3 or more ester groups on adjacent carbon atoms, (e) esters containing 2 ester groups attached to the same carbon atom, (f) esters of the enolic forms of ketones, and (g) esters of N-substituted derivatives of hydroxylamine. Many esters are specified; representative members of each class are: (a) phenyl benzoate, (b) trichloroethyl acetate, (c) sorbitol hexa-acetate, (d) glucose tetra- or penta-acetate, (e) benzaldehyde diacetate, (f) isopropenyl acetate, and (g) acetyl acetohydroxamic acid. A particularly favoured ester belonging to class (a) is the benzoyl ester of commercial (sodium or potassium) phenol sulphonate. The ester should be present in an amount such that there is either 0.25-2 molecules of ester per atom of available oxygen, or 2-15 parts of ester to each part of hydrogen peroxide (100%) by weight. A preferred composition is one which contains 2-30% of ester and 1-15% of per-salt. One or more alkaline substances such as alkali metal carbonates, phosphates (including polyphosphates) and silicates are preferably also added so that the composition before the addition of the ester would have a pH of 9-11. The compositions for use in the process may also include soap, a synthetic detergent such as an alkyl sulphate, alkylaryl sulphonate or isethionate, alkali metal chlorides or sulphates, carboxymethyl cellulose or fluorescent agents.
GB21686/55A 1955-07-27 1955-07-27 Improvements in or relating to bleaching and detergent compositions Expired GB836988A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
ES0229997A ES229997A1 (en) 1955-07-27 1956-07-26 Improvements in the blanking procedures (Machine-translation by Google Translate, not legally binding)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB348682X 1955-07-27
GB220256X 1956-02-22

Publications (1)

Publication Number Publication Date
GB836988A true GB836988A (en) 1960-06-09

Family

ID=26255659

Family Applications (1)

Application Number Title Priority Date Filing Date
GB21686/55A Expired GB836988A (en) 1955-07-27 1955-07-27 Improvements in or relating to bleaching and detergent compositions

Country Status (7)

Country Link
US (1) US2955905A (en)
BE (1) BE549817A (en)
CH (1) CH348682A (en)
DE (1) DE1246658B (en)
FR (1) FR1155228A (en)
GB (1) GB836988A (en)
NL (2) NL113890C (en)

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US3272750A (en) * 1962-05-07 1966-09-13 Lever Brothers Ltd Process and composition containing an oxygen releasing compound and an organic carbonate
DE2817858A1 (en) * 1978-04-24 1979-10-25 Schuelke & Mayr Gmbh Stable mixt. forming antimicrobially active percarboxylic acid - contains hydrogen peroxide generator and acyloxy-sulphonic acid deriv.
US4321157A (en) 1979-11-03 1982-03-23 The Procter & Gamble Company Granular laundry compositions
US4412934A (en) 1982-06-30 1983-11-01 The Procter & Gamble Company Bleaching compositions
EP0095904A1 (en) * 1982-06-01 1983-12-07 The Procter & Gamble Company Detergent liquors and compositions for use therein
US4422950A (en) 1980-12-09 1983-12-27 Lever Brothers Company Bleach activator granules and preparation thereof
EP0123423A2 (en) 1983-03-26 1984-10-31 The Procter & Gamble Company Detergent compositions, detergent liquors and method for their preparation
US4483778A (en) * 1983-12-22 1984-11-20 The Procter & Gamble Company Peroxygen bleach activators and bleaching compositions
US4486327A (en) * 1983-12-22 1984-12-04 The Procter & Gamble Company Bodies containing stabilized bleach activators
EP0150532A1 (en) 1983-12-22 1985-08-07 The Procter & Gamble Company Peroxygen bleach activators and bleaching compositions
US4539130A (en) * 1983-12-22 1985-09-03 The Procter & Gamble Company Peroxygen bleach activators and bleaching compositions
US4613452A (en) * 1983-10-26 1986-09-23 Interox Chemicals Limited Aqueous acidic hydrogen peroxide composition containing enol ester activator
US4751015A (en) * 1987-03-17 1988-06-14 Lever Brothers Company Quaternary ammonium or phosphonium substituted peroxy carbonic acid precursors and their use in detergent bleach compositions
US4786421A (en) * 1986-08-06 1988-11-22 Lever Brothers Company Fabric conditioning composition
US4790952A (en) * 1986-08-14 1988-12-13 The Clorox Company Alkyl monoperoxysuccinic acid precursors and method of synthesis
US4818426A (en) * 1987-03-17 1989-04-04 Lever Brothers Company Quaternary ammonium or phosphonium substituted peroxy carbonic acid precursors and their use in detergent bleach compositions
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US5431849A (en) * 1989-01-23 1995-07-11 Novo Nordisk A/S Bleaching detergent composition containing acylated sugar bleach activators
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CH348682A (en) 1960-09-15
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DE1246658B (en) 1967-08-10

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