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GB890420A - Improvements in fluorescent brightening agent compositions - Google Patents

Improvements in fluorescent brightening agent compositions

Info

Publication number
GB890420A
GB890420A GB42624/59A GB4262459A GB890420A GB 890420 A GB890420 A GB 890420A GB 42624/59 A GB42624/59 A GB 42624/59A GB 4262459 A GB4262459 A GB 4262459A GB 890420 A GB890420 A GB 890420A
Authority
GB
United Kingdom
Prior art keywords
weight
brightening agent
fluorescent brightening
alkylolamine
solution
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
GB42624/59A
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.)
EIDP Inc
Original Assignee
EI Du Pont de Nemours and Co
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
Priority to US804597A priority Critical patent/US3012971A/en
Application filed by EI Du Pont de Nemours and Co filed Critical EI Du Pont de Nemours and Co
Priority to GB42624/59A priority patent/GB890420A/en
Priority to DEP24123A priority patent/DE1119646B/en
Publication of GB890420A publication Critical patent/GB890420A/en
Expired legal-status Critical Current

Links

Classifications

    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H21/00—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties
    • D21H21/14—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties characterised by function or properties in or on the paper
    • D21H21/30—Luminescent or fluorescent substances, e.g. for optical bleaching
    • 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
    • D06L4/60—Optical bleaching or brightening
    • D06L4/664—Preparations of optical brighteners; Optical brighteners in aerosol form; Physical treatment of optical brighteners

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Paper (AREA)

Abstract

A composition for whitening paper comprises a concentrated aqueous solution, adapted to be diluted with water, containing 10%-35% by weight of a fluorescent brightening agent of the formula <FORM:0890420/IV (c)/1> in which X is hydrogen or an alkali metal and at least sufficient of one alkylolamine of the formula (HO-alk)x-NR(3-x), in which alk is an alkylene radical of 2-4 carbon atoms, R is hydrogen or an alkyl radical of 1-8 carbon atoms and x is an integer of 1-3, to effect dissolution of the fluorescent brightening agent in water, the composition being free of or containing not more than 1% by weight of sodium chloride. Specified alkylolamines are mono-, di- and triethanolamines and the corresponding propanolamines and butanolamines, N-methyl diethanolamine, N,N-dimethyl ethanolamine, N,N-diethylethanolamine, N,N-di-isopropyl ethanolamine and N,N-di(2-ethylhexyl) ethanolamine. The proportion by weight of alkylolamine to fluorescent brightening agent may be from 0.5 : 1 to 3.5 : 1 and the solution preferably contains 5%-35% by weight of the alkylolamine. The composition may also contain soda ash, borax, tetrasodium pyrophosphate and lower alkyl ethers of ethylene glycol. In use the solution may be diluted to a concentration of fluorescent brightening agent of about 0.5%-0.1% by weight and sheets of paper immersed in the solution, freed of excess water and dried.
GB42624/59A 1959-04-07 1959-12-15 Improvements in fluorescent brightening agent compositions Expired GB890420A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
US804597A US3012971A (en) 1959-04-07 1959-04-07 Whitening composition for paper
GB42624/59A GB890420A (en) 1959-12-15 1959-12-15 Improvements in fluorescent brightening agent compositions
DEP24123A DE1119646B (en) 1959-12-15 1959-12-21 Optical bleach for paper

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB42624/59A GB890420A (en) 1959-12-15 1959-12-15 Improvements in fluorescent brightening agent compositions

Publications (1)

Publication Number Publication Date
GB890420A true GB890420A (en) 1962-02-28

Family

ID=10425255

Family Applications (1)

Application Number Title Priority Date Filing Date
GB42624/59A Expired GB890420A (en) 1959-04-07 1959-12-15 Improvements in fluorescent brightening agent compositions

Country Status (1)

Country Link
GB (1) GB890420A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2316296A1 (en) * 1975-06-21 1977-01-28 Bayer Ag PROCESS FOR THE PRODUCTION OF CONCENTRATED SOLUTIONS OF ANIONIC DYES

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2316296A1 (en) * 1975-06-21 1977-01-28 Bayer Ag PROCESS FOR THE PRODUCTION OF CONCENTRATED SOLUTIONS OF ANIONIC DYES

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