GB1112184A – Triazinyl-stilbene sulphonic acid salts and their use as brightening agents
– Google Patents
GB1112184A – Triazinyl-stilbene sulphonic acid salts and their use as brightening agents
– Google Patents
Triazinyl-stilbene sulphonic acid salts and their use as brightening agents
Info
Publication number
GB1112184A
GB1112184A
GB14060/66A
GB1406066A
GB1112184A
GB 1112184 A
GB1112184 A
GB 1112184A
GB 14060/66 A
GB14060/66 A
GB 14060/66A
GB 1406066 A
GB1406066 A
GB 1406066A
GB 1112184 A
GB1112184 A
GB 1112184A
Authority
GB
United Kingdom
Prior art keywords
salt
slurry
alkanolamine
acid
bis
Prior art date
1965-03-31
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
GB14060/66A
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.)
Individual
Original Assignee
Individual
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.)
1965-03-31
Filing date
1966-03-30
Publication date
1968-05-01
1966-03-30
Application filed by Individual
filed
Critical
Individual
1968-05-01
Publication of GB1112184A
publication
Critical
patent/GB1112184A/en
Status
Expired
legal-status
Critical
Current
Links
Espacenet
Global Dossier
Discuss
Classifications
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
Abstract
Aqueous solutions of alkanolamine salts of 4,41 – bis[4 – [metanilino] – 6 – [bis(2(2 – hydroxyethyl) amino] – 1,3,5 – triazine – 2 – yl – amino]-stilbene – 2,21 – disulphonic acid, containing about 15% by wt. alkanolamine salt, based on total solution, are prepared by treating an aqueous solution of an alkali metal salt of the sulphonic acid maintained at below 30 DEG C. with sufficient ammonium chloride to precipitate the partial acid salt as a slurry, acidifying the slurry at 0-30 DEG C. to a pH 4.0-1.0 by addition of HCl, filtering the slurry and reacting the wet filter cake with at least 4 mols of an alkanolamine per mol acid, boiling the mixture to produce an aqueous solution of the alkanolamine salt and if necessary adding water to adjust the concentration to the required level. The filter cake may be washed with an ammonium chloride solution to remove any occluded alkali metal chloride. Specified alkanolamines are mono-, di- and tri-ethanolamine, mono-, di- and tri-butanolamines derived from 1- and 2-butanol, N-methyldiethanolamine, N,N-dimethylethanolamine and N,N-diethylethanolamine. The aqueous solutions are used as optical brighteners (see Division D1).ALSO:Aqueous compositions for use as brightening agents for cotton fibres and papers comprise alkanolamine salts of 4, 41-bis \sV4-[metanilino] – 6 – [bis(2 – hydroxyethyl) amino] – 1 3.5 – triazine – 2 – yl – amino \sV – stilbene – 2, 21 – disulphonic acid prepared by treating an aqueous solution of the alkali metal salt of the sulphonic acid with ammonium chloride at a temperature below 30 DEG C to precipitate the partial acid salt as a slurry, acidifying the slurry at 0 DEG -30 DEG C with HCI to a pH 1.0-4.0, filtering the slurry and reacting the wet filter cake with at least 4 mols alkanolamine per mol acid, boiling the mixture to produce an aqueous solution of the alkanolamine salt and if necessary, adding water to adjust the concentration of the salt to about 15% by weight, based on total solution. The composition may include up to 10% by weight of a solvating and/or stabilising agent, e.g., dimethylformamide.
GB14060/66A
1965-03-31
1966-03-30
Triazinyl-stilbene sulphonic acid salts and their use as brightening agents
Expired
GB1112184A
(en)
Applications Claiming Priority (1)
Application Number
Priority Date
Filing Date
Title
US444435A
US3406118A
(en)
1965-03-31
1965-03-31
Brightener agent solutions
Publications (1)
Publication Number
Publication Date
GB1112184A
true
GB1112184A
(en)
1968-05-01
Family
ID=23764869
Family Applications (1)
Application Number
Title
Priority Date
Filing Date
GB14060/66A
Expired
GB1112184A
(en)
1965-03-31
1966-03-30
Triazinyl-stilbene sulphonic acid salts and their use as brightening agents
Country Status (4)
Country
Link
US
(1)
US3406118A
(en)
BE
(1)
BE678685A
(en)
CH
(1)
CH459132A
(en)
GB
(1)
GB1112184A
(en)
Families Citing this family (4)
* Cited by examiner, † Cited by third party
Publication number
Priority date
Publication date
Assignee
Title
DE1902445A1
(en)
*
1969-01-18
1970-07-30
Hoechst Ag
Optical brighteners
US4233167A
(en)
*
1979-06-14
1980-11-11
S. C. Johnson & Son, Inc.
Liquid detergent softening and brightening composition
US4820637A
(en)
*
1986-03-21
1989-04-11
Ciba-Geigy Corporation
Detection of fungi and/or algae with stilbene having at least 4 sulpho groups
EP1752453A1
(en)
2005-08-04
2007-02-14
Clariant International Ltd.
Storage stable solutions of optical brighteners
Family Cites Families (3)
* Cited by examiner, † Cited by third party
Publication number
Priority date
Publication date
Assignee
Title
NL121518C
(en)
*
1959-11-20
US3025242A
(en)
*
1961-03-20
1962-03-13
Du Pont
Whitening agent composition and process for its manufacture
US3211665A
(en)
*
1962-12-03
1965-10-12
American Cyanamid Co
Optical brightener composition for paper
1965
1965-03-31
US
US444435A
patent/US3406118A/en
not_active
Expired – Lifetime
1966
1966-03-22
CH
CH413866A
patent/CH459132A/en
unknown
1966-03-30
GB
GB14060/66A
patent/GB1112184A/en
not_active
Expired
1966-03-30
BE
BE678685D
patent/BE678685A/xx
unknown
Also Published As
Publication number
Publication date
CH459132A
(en)
1968-07-15
BE678685A
(en)
1966-09-30
US3406118A
(en)
1968-10-15
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