WO2016142955A4 - Storage stable solutions of optical brightening agents - Google Patents
Storage stable solutions of optical brightening agents Download PDFInfo
- Publication number
- WO2016142955A4 WO2016142955A4 PCT/IN2016/050082 IN2016050082W WO2016142955A4 WO 2016142955 A4 WO2016142955 A4 WO 2016142955A4 IN 2016050082 W IN2016050082 W IN 2016050082W WO 2016142955 A4 WO2016142955 A4 WO 2016142955A4
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- straight chain
- coo
- formula
- brightening agent
- optical brightening
- Prior art date
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
-
- 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
- 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
- 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
- C09B67/00—Influencing the physical, e.g. the dyeing or printing properties of dyestuffs without chemical reactions, e.g. by treating with solvents grinding or grinding assistants, coating of pigments or dyes; Process features in the making of dyestuff preparations; Dyestuff preparations of a special physical nature, e.g. tablets, films
- C09B67/0071—Process features in the making of dyestuff preparations; Dehydrating agents; Dispersing agents; Dustfree compositions
- C09B67/0072—Preparations with anionic dyes or reactive dyes
- C09B67/0073—Preparations of acid or reactive dyes in liquid form
-
- 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
- D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
- D21H17/03—Non-macromolecular organic compounds
- D21H17/05—Non-macromolecular organic compounds containing elements other than carbon and hydrogen only
- D21H17/07—Nitrogen-containing compounds
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Paper (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
The present invention relates to optical brighteners of Formula I and a process for preparing the same. The present invention also discloses aqueous solutions of optical brighteners of Formula I.
Claims
AMENDED CLAIMS
received by the International Bureau on 30 September 2016 (30.09.16)
WE CLAIM:
1.
{[N^J^R^HCH^CONH , . p}>,q
Formula I
wherein,
R and R' independent of each other are hydrogen, C1-C4 straight chain or branched alkyl;
Ri and Ri ' independent of each other are hydrogen, C1-C4 straight chain or branched alkyl, C1-C4 straight chain or branched hydroxyalkyl, -CH2CH2CONH2, -CH2CH2CN, -CH2CH2COO", -CH2COO";
R2 and R2' independent of each other are hydrogen, C1-C4 straight chain or branched alkyl, C1-C4 straight chain or branched hydroxyalkyl, -CH2COO\ CH(COO" )CH2COO", CH(COO~)CH2CH2COO~, CH2CH2S03 ";
R3 and R4 independent of each other are hydrogen, C 1-C4 straight chain or branched alkyl, C1-C4 straight chain or branched hydroxyalkyl, -CH2CH2CONH2;
M+ represents Li+, Na+, K+ or a quaternary ammonium ion derived from mono-, di- or trialkanolamine, or a mixture thereof, with 'p' less than or equal to 0.8 and 'q' is the number of functional groups in the optical brightener molecule, that are capable of forming a quaternary ammonium salt; and n is 0, 1 or 2
2. The optical brightening agent as claimed in claim 1, wherein and R' each are H;
Ri , Ra, R' I and R each are -CH2CH2OH;
M is Na ;
R3 and R4 each are -CH3;
p is 0.25;
q is 2; and
n is 0
3. The optical brightening agent as claimed in claim 1, R and R' each are H;
Ri, R2, R 1 and R 2 each are -CH2CH2OH;
M is Na;
R and R4 each are -CH2CH3;
p is 0.25;
q is 2; and
n is 0
4. The optical brightening agent as claimed in claim 1, wherein
R and R' each are H;
Ri, R2, R'I and R 2 each are -CH2CH2OH;
M is Na;
R3 and R4 each are -CH2CH3;
p is 0.8;
q is 4; and
n is 1
5. The optical brightening agent as claimed in claim 1 , wherein R and R each are H;
Ri , R2, R Ί and R 2 each are -CH2CH2OH;
M is Na;
R3and R4 each are -CH2CH3;
p is 0.4;
q is 6; and
n is 2
6. The optical brightening agent as claimed in claim 1, wherein
R and R each are H;
Ri, R2, R i and R 2each are -CH2CH3;
M is Na;
R3 and R4 each are -CH2CH ;
p is 0.66;
q is 6; and
n is 2
7. A process for preparing an optical brightening agent of Formula I, the process comprising mixing compound of Formula II and compound of Formula III to obtain com ound of Formula I.
Formula III
wherein,
R and R' independent of each other are hydrogen, C 1-C4 straight chain or branched alkyl;
Ri and Ri ' independent of each other are hydrogen, C1-C4 straight chain or branched alkyl, C1-C4 straight chain or branched hydroxyalkyl, -CH2CH2CONH2, -CH2CH2CN,
R2 and R2' independent of each other are hydrogen, C1-C4 straight chain or branched alkyl, Ci-C4 straight chain or branched hydroxyalkyl, -CH2COO\ CH(COO) CH2COO", CH(COO")CH2CH2COO\ CH2CH2S03 ~;
R-3 and R4 independent of each other are hydrogen, C1-C4 straight chain or branched alkyl, C1-C4 straight chain or branched hydroxyalkyl, -CH2CH2CONH2; represents Lf, Na+, K+ or a quaternary ammonium ion derived from mono-, di- or trialkanolamine, or a mixture thereof, with 'p' less than or equal to 0.8 and 'q' being the number of functional groups in the optical brightener molecule, that are capable of forming a quaternary ammonium salt; and n is 0, 1 or 2
8. The process as claimed in claim 7, comprising adjusting pH of the mixture with a base.
9. The process as claimed in claim 8, wherein the base is selected from NaOH, KOH, LiOH, mono- di- or tri-alkyl amine or mono-, di- or tri-alkanolamine.
10. The process as claimed in claim 7, comprising mixing compound of Formula II and compound of Formula III in the presence of water.
11. A stable aqueous solution comprising the optical brightening agent claimed in claim 1.
12. The stable aqueous solution as claimed in claim 11, wherein the optical brightening agent of Formula I is present at a concentration ranging from 10% to 60%.
13. The stable aqueous solution as claimed in claim 11 optionally comprising additives such as carriers, antifreeze, defoamers, solubilizing agents, preservatives, complexing agents, inorganic or organic salts.
14. Use of the optical brightening agent of Formula I as claimed in claim 1 , for brightening woven and non-woven fabrics, paper, paperboards.
15. A method for optically brightening woven and non-woven fabrics, paper and paperboards by adding the optical brightening agent of Formula I as claimed in claim 1.
16. The method as claimed in claim 16 comprising adding an aqueous solution of the optical brightening agent of Formula I to woven and non-woven fabrics, paper and paperboards.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IN3955MU2014 | 2015-03-10 | ||
IN3955/MUM/2014 | 2015-03-10 |
Publications (2)
Publication Number | Publication Date |
---|---|
WO2016142955A1 WO2016142955A1 (en) | 2016-09-15 |
WO2016142955A4 true WO2016142955A4 (en) | 2016-11-24 |
Family
ID=56072391
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/IN2016/050082 WO2016142955A1 (en) | 2015-03-10 | 2016-03-09 | Storage stable solutions of optical brightening agents |
Country Status (1)
Country | Link |
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WO (1) | WO2016142955A1 (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
PL3710632T3 (en) * | 2017-12-22 | 2022-02-21 | Archroma Ip Gmbh | Optical brightener for whitening paper |
EP3623392B1 (en) | 2018-09-14 | 2023-07-19 | Archroma IP GmbH | Optically brightened latexes |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3012971A (en) | 1959-04-07 | 1961-12-12 | Du Pont | Whitening composition for paper |
DE3502038A1 (en) | 1985-01-23 | 1986-07-24 | Sandoz-Patent-GmbH, 7850 Lörrach | AQUEOUS BRIGHTENING DEVICES AND THEIR USE IN THE PAPER LINE |
GB0100610D0 (en) | 2001-01-10 | 2001-02-21 | Clariant Int Ltd | Improvements in or relating to organic compounds |
RU2368655C2 (en) | 2003-09-19 | 2009-09-27 | Циба Спешиалти Кэмикэлз Холдинг Инк. | Aqueous solutions of fluorescent optical bleaching agents |
EP1752453A1 (en) * | 2005-08-04 | 2007-02-14 | Clariant International Ltd. | Storage stable solutions of optical brighteners |
BRPI0821657B1 (en) | 2007-12-12 | 2018-06-05 | Archroma Ip Gmbh | STABLE SOLUTIONS FOR STORAGE OF OPTICAL CLARIFICANTS, THEIR PREPARATION PROCESS AND THEIR USES AS WELL AS PAPER BLANKING PROCESSES |
ITMI20111449A1 (en) | 2011-07-29 | 2013-01-30 | 3V Sigma Spa | AQUEOUS SOLUTIONS OF FLUORESCENT BLEACHING AGENTS |
ITMI20121220A1 (en) | 2012-07-12 | 2014-01-13 | 3V Sigma Spa | STYLBENIC COMPOUNDS |
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2016
- 2016-03-09 WO PCT/IN2016/050082 patent/WO2016142955A1/en active Application Filing
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WO2016142955A1 (en) | 2016-09-15 |
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