CA2284723A1 - Fluorescent whitening agents - Google Patents

Fluorescent whitening agents Download PDF

Info

Publication number
CA2284723A1
CA2284723A1 CA002284723A CA2284723A CA2284723A1 CA 2284723 A1 CA2284723 A1 CA 2284723A1 CA 002284723 A CA002284723 A CA 002284723A CA 2284723 A CA2284723 A CA 2284723A CA 2284723 A1 CA2284723 A1 CA 2284723A1
Authority
CA
Canada
Prior art keywords
formula
compound
acid
hydrogen
weight
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.)
Abandoned
Application number
CA002284723A
Other languages
English (en)
French (fr)
Inventor
Peter Rohringer
Georges Metzger
Dieter Reinehr
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.)
BASF Schweiz AG
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.)
Filing date
Publication date
Priority claimed from GBGB9706110.5A external-priority patent/GB9706110D0/en
Priority claimed from GBGB9709980.8A external-priority patent/GB9709980D0/en
Application filed by Individual filed Critical Individual
Publication of CA2284723A1 publication Critical patent/CA2284723A1/en
Abandoned legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09B—ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
    • C09B23/00—Methine or polymethine dyes, e.g. cyanine dyes
    • C09B23/14—Styryl dyes
    • C09B23/148—Stilbene dyes containing the moiety -C6H5-CH=CH-C6H5
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D251/00—Heterocyclic compounds containing 1,3,5-triazine rings
    • C07D251/02—Heterocyclic compounds containing 1,3,5-triazine rings not condensed with other rings
    • C07D251/12—Heterocyclic compounds containing 1,3,5-triazine rings not condensed with other rings having three double bonds between ring members or between ring members and non-ring members
    • C07D251/26—Heterocyclic compounds containing 1,3,5-triazine rings not condensed with other rings having three double bonds between ring members or between ring members and non-ring members with only hetero atoms directly attached to ring carbon atoms
    • C07D251/40—Nitrogen atoms
    • C07D251/54—Three nitrogen atoms
    • C07D251/68—Triazinylamino stilbenes
    • 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
    • C11D3/40—Dyes ; Pigments
    • C11D3/42—Brightening agents ; Blueing agents
    • 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
    • D06L4/614—Optical bleaching or brightening in aqueous solvents
    • D06L4/621—Optical bleaching or brightening in aqueous solvents with anionic brighteners
    • 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
    • D06L4/657—Optical bleaching or brightening combined with other treatments, e.g. finishing, bleaching, softening, dyeing or pigment printing
    • 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
    • D06L4/70—Multi-step processes
    • D06L4/75—Multi-step processes combined with cleaning or washing
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M13/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment
    • D06M13/02—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with hydrocarbons
    • D06M13/03—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with hydrocarbons with unsaturated hydrocarbons, e.g. alkenes, or alkynes
    • D06M13/07—Aromatic hydrocarbons
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M13/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment
    • D06M13/322—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with compounds containing nitrogen
    • D06M13/35—Heterocyclic compounds
    • D06M13/355—Heterocyclic compounds having six-membered heterocyclic rings
    • D06M13/358—Triazines
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
    • D06P1/00—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed
    • D06P1/44—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed using insoluble pigments or auxiliary substances, e.g. binders
    • D06P1/64—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed using insoluble pigments or auxiliary substances, e.g. binders using compositions containing low-molecular-weight organic compounds without sulfate or sulfonate groups
    • D06P1/642—Compounds containing nitrogen
    • D06P1/6426—Heterocyclic compounds
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S8/00—Bleaching and dyeing; fluid treatment and chemical modification of textiles and fibers
    • Y10S8/916—Natural fiber dyeing
    • Y10S8/919—Paper

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Wood Science & Technology (AREA)
  • Detergent Compositions (AREA)
  • Paper (AREA)
  • Luminescent Compositions (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Silver Salt Photography Or Processing Solution Therefor (AREA)
  • Led Device Packages (AREA)
  • Medicines Containing Plant Substances (AREA)
  • Macromolecular Compounds Obtained By Forming Nitrogen-Containing Linkages In General (AREA)
CA002284723A 1997-03-25 1998-03-14 Fluorescent whitening agents Abandoned CA2284723A1 (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
GB9706110.5 1997-03-25
GBGB9706110.5A GB9706110D0 (en) 1997-03-25 1997-03-25 Compounds
GBGB9709980.8A GB9709980D0 (en) 1997-05-17 1997-05-17 Compounds
GB9709980.8 1997-05-17
PCT/EP1998/001495 WO1998042685A1 (en) 1997-03-25 1998-03-14 Fluorescent whitening agents

Publications (1)

Publication Number Publication Date
CA2284723A1 true CA2284723A1 (en) 1998-10-01

Family

ID=26311253

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002284723A Abandoned CA2284723A1 (en) 1997-03-25 1998-03-14 Fluorescent whitening agents

Country Status (15)

Country Link
US (3) US6210449B1 (https=)
EP (2) EP0971905B1 (https=)
JP (1) JP2001518919A (https=)
KR (1) KR100519872B1 (https=)
CN (1) CN1168723C (https=)
AT (2) ATE244227T1 (https=)
AU (1) AU6831498A (https=)
BR (1) BR9808058B1 (https=)
CA (1) CA2284723A1 (https=)
DE (2) DE69825574T2 (https=)
ES (1) ES2226117T3 (https=)
ID (1) ID22819A (https=)
NO (1) NO314083B1 (https=)
RU (1) RU2198168C2 (https=)
WO (1) WO1998042685A1 (https=)

Families Citing this family (48)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9726365D0 (en) * 1997-12-13 1998-02-11 Ciba Sc Holding Ag Compounds
CN1207627C (zh) 1999-03-15 2005-06-22 西巴特殊化学品控股有限公司 去除摄影材料中的污斑的方法
MXPA01012698A (es) * 1999-06-11 2002-07-02 Ciba Sc Holding Ag Uso de uvas para suprimir la fluorescencia de materiales de fibras textiles tratados con agentes blanqueadores fluorescentes.
AU6842600A (en) * 1999-09-10 2001-04-17 Ciba Specialty Chemicals Holding Inc. Triazinylaminostilbene derivative as fluorescent whitening agents
AU6606201A (en) * 2000-06-19 2002-01-02 Albemarle Corporation Fluorescent brightener pigment compositions
EP1358166A1 (en) * 2001-01-12 2003-11-05 Ciba SC Holding AG Process for the preparation of triazinylaminostilbene-disulphonic acid compounds
GB0125177D0 (en) * 2001-10-19 2001-12-12 Clariant Int Ltd Improvements in or relating to organic compounds
RU2223957C2 (ru) * 2001-11-28 2004-02-20 Открытое акционерное общество "Пигмент" Способ получения производных 4,4'-диаминостильбен-2,2'-дисульфокислоты
BR0311712A (pt) * 2002-06-11 2005-03-15 Ciba Sc Holding Ag Pigmentos para branqueamento
US7270771B2 (en) * 2002-07-05 2007-09-18 Ciba Specialty Chemicals Corporation Triazinylaminostilbene disulphonic acid mixtures
BRPI0715395A2 (pt) * 2003-08-08 2013-06-25 Clariant Finance Bvi Ltd soluÇÕes aquosas de alvejantes àpticos
FI122297B (fi) * 2003-10-27 2011-11-15 M Real Oyj Kartonki ja menetelmä sen valmistamiseksi
EP1571149A1 (en) * 2004-03-05 2005-09-07 Clariant International Ltd. Optical brightener solutions
EP1612209A1 (en) 2004-06-28 2006-01-04 Clariant International Ltd. Improvements relating to optical brightening agents
DE102004038578A1 (de) * 2004-08-06 2006-03-16 Lanxess Deutschland Gmbh Alkanolammoniumhaltige Triazinylflavonataufheller
CN101072841A (zh) * 2004-12-09 2007-11-14 克莱里安特财务(Bvi)有限公司 荧光增白剂的水性分散体
CA2601926C (en) * 2005-02-19 2011-07-19 International Paper Company Pulp and paper having increased brightness
US7638016B2 (en) * 2005-02-19 2009-12-29 International Paper Company Method for treating kraft pulp with optical brighteners after chlorine bleaching to increase brightness
EP1712677A1 (en) * 2005-04-08 2006-10-18 Clariant International Ltd. Aqueous solutions of optical brighteners
KR100735711B1 (ko) 2006-01-09 2007-07-06 삼원산업주식회사 형광 증백제 및 이의 합성방법
SE530020C2 (sv) * 2006-06-15 2008-02-12 Holmen Ab Förfarande för stabilisering av vitheten hos i ytbehandlingslim/smet för papper ingående fluroescerande vitmedel (FWA) och hos av detta/dessa formade ytbehandlingsskikt
EP1881108A1 (en) * 2006-07-18 2008-01-23 CIBA SPECIALTY CHEMICALS HOLDING INC. Patent Departement Fluorescent Whitening Compositions
US7381300B2 (en) * 2006-10-31 2008-06-03 International Paper Company Process for manufacturing paper and paperboard products
US7445567B2 (en) * 2006-12-13 2008-11-04 Bridgestone Sports Co., Ltd. Multi-piece solid golf ball
AU2014259497B2 (en) * 2008-03-26 2016-05-12 Archroma Ip Gmbh Improved optical brightening compositions
WO2009118247A1 (en) 2008-03-26 2009-10-01 Clariant International Ltd Improved optical brightening compositions
DE602008004328D1 (de) * 2008-06-11 2011-02-17 Kemira Germany Gmbh Zusammensetzung und Verfahren zur Papierbleichung
CN102245719B (zh) 2008-12-08 2014-01-29 惠普开发有限公司 用于喷墨介质的表面涂料组合物
RU2412172C2 (ru) * 2009-04-03 2011-02-20 Государственное образовательное учреждение высшего профессионального образования Кабардино-Балкарский государственный университет им. Х.М. Бербекова Ароматические моно-, бис- и трифенолы для стабилизации полимеров
ES2394545T3 (es) * 2009-09-17 2013-02-01 Blankophor Gmbh & Co. Kg Agente blanqueador fluorescente de tipo disulfo
CN102906239B (zh) 2010-05-18 2015-09-09 美利肯公司 荧光增白剂及含有其的组合物
PT2431519E (pt) * 2010-09-17 2013-10-28 Blankophor Gmbh & Co Kg Composições de agente de branqueamento fluorescente
EP2518058B1 (en) * 2011-04-27 2014-10-29 Clariant International Ltd. Novel bis-(triazinylamino)-stilbene derivatives
CN102311657B (zh) * 2011-06-25 2013-12-11 山东大学 具有杀菌作用的低水溶性荧光增白剂及其合成方法与用途
CN102898855B (zh) * 2012-09-29 2013-12-11 山东大学 具有氨基酸结构的十六或十八烷基二甲基叔胺季铵盐高性能荧光增白剂的合成及应用
PT2781648E (pt) * 2013-03-21 2016-03-07 Clariant Int Ltd Agentes de branqueamento ótico para impressão a jato de tinta de alta qualidade
FR3013591B1 (fr) * 2013-11-28 2019-06-14 L'oreal Procede cosmetique d'eclaircissement de la peau avec un azurant optique anionique
US9487503B2 (en) 2014-04-17 2016-11-08 3V Sigma S.P.A. Stilbene optical brighteners
AU2016317514B2 (en) 2015-08-31 2019-07-25 Shima Seiki Mfg., Ltd. Method for manufacturing processed fiber, processed fiber, method for suppressing damage to animal fiber, and method for processing animal fiber
CN105482488A (zh) * 2015-11-25 2016-04-13 山西青山化工有限公司 一种液体荧光增白剂及其制备方法
WO2017128201A1 (zh) * 2016-01-28 2017-08-03 德丰铭国际股份有限公司 荧光增白剂组合物
EP3433422B1 (en) * 2016-03-22 2020-11-18 Åbo Akademi University Polysaccharide derivatives as optical brightening agents
CN106632116B (zh) * 2016-12-20 2019-08-13 贺州学院 一种水溶性重质碳酸钙粉体荧光增白剂及其制备方法和应用
CN107311952A (zh) * 2017-07-06 2017-11-03 广西碳酸钙产业化工程院有限公司 一种碳酸钙粉体增白剂和表面活性剂的制备方法及其应用
ES2904846T3 (es) 2017-12-22 2022-04-06 Archroma Ip Gmbh Abrillantador óptico para blanquear papel
PL3623392T3 (pl) * 2018-09-14 2024-01-15 Archroma Ip Gmbh Optycznie rozjaśnione lateksy
WO2021061713A1 (en) * 2019-09-27 2021-04-01 B&B Blending, Llc Use of a fluorescent optical brightener or phosphorescent indicator within ceramic coatings for visual detection and identification
CN110922531B (zh) * 2019-12-06 2022-06-24 陕西科技大学 一种淀粉接枝荧光共聚乳液及其制备方法与应用

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE20794C (de) L. RÖ.SSLER in Altenmarkt a. Alz, Ober-Bayern Malzschälmaschine
DE20974C (de) * H. REUSCH, Ober-Bergrath a. D. in Dillingen a. Saar Verfahren zur Plattirung von Eisen und Stahl
DD20974A (https=) *
DE1011889B (de) * 1956-06-14 1957-07-11 Cassella Farbwerke Mainkur Ag Verfahren zur Herstellung von optischen Bleichmitteln
GB1008457A (en) 1963-04-12 1965-10-27 Gen Aniline & Film Corp Improvements in or relating to stilbene-cyanuric compounds
GB1021527A (en) 1963-04-12 1966-03-02 Gen Aniline & Film Corp Improvements in or relating to stilbene-cyanuric compounds
DE1469218B1 (de) * 1964-06-30 1971-09-08 Hoechst Ag 4,4'-Bis-triazinylamino-stilbenverbindungen und ihre Verwendung als reaktive optischeAufhellungsmittel
NL6714386A (https=) * 1967-10-23 1969-04-25
GB1238833A (https=) 1968-01-18 1971-07-14
DE2700293A1 (de) 1977-01-05 1978-07-06 Bayer Ag Farbstofflaser
JPS62106965A (ja) * 1985-11-05 1987-05-18 Shin Nisso Kako Co Ltd 螢光増白剤
JPS63282382A (ja) * 1987-05-14 1988-11-18 日本化薬株式会社 染色法
GB9412590D0 (en) * 1994-06-23 1994-08-10 Sandoz Ltd Organic compounds
GB9503474D0 (en) * 1995-02-22 1995-04-12 Ciba Geigy Ag Compounds and their use
GB2313850A (en) 1996-06-04 1997-12-10 Ciba Geigy Ag Triazine based UVA compounds as quenchers in paper making processes
GB9611614D0 (en) * 1996-06-04 1996-08-07 Ciba Geigy Ag Process for inhibiting the effect of flourescent whitening agents

Also Published As

Publication number Publication date
CN1168723C (zh) 2004-09-29
WO1998042685A1 (en) 1998-10-01
JP2001518919A (ja) 2001-10-16
ES2226117T3 (es) 2005-03-16
CN1251581A (zh) 2000-04-26
KR20010005671A (ko) 2001-01-15
KR100519872B1 (ko) 2005-10-11
DE69816135T2 (de) 2004-04-22
US20010014989A1 (en) 2001-08-23
US6464735B2 (en) 2002-10-15
NO994662L (no) 1999-11-15
RU2198168C2 (ru) 2003-02-10
US6458169B2 (en) 2002-10-01
DE69825574T2 (de) 2005-08-04
DE69825574D1 (de) 2004-09-16
EP1123929B1 (en) 2003-07-02
DE69816135D1 (de) 2003-08-07
US6210449B1 (en) 2001-04-03
ATE244227T1 (de) 2003-07-15
BR9808058A (pt) 2000-03-08
BR9808058B1 (pt) 2008-11-18
EP0971905B1 (en) 2004-08-11
NO994662D0 (no) 1999-09-24
US20020017001A1 (en) 2002-02-14
ATE273290T1 (de) 2004-08-15
EP0971905A1 (en) 2000-01-19
ID22819A (id) 1999-12-09
AU6831498A (en) 1998-10-20
NO314083B1 (no) 2003-01-27
EP1123929A1 (en) 2001-08-16

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Legal Events

Date Code Title Description
EEER Examination request
FZDE Discontinued