CN106893353B - A kind of application of monoazos - Google Patents

A kind of application of monoazos Download PDF

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Publication number
CN106893353B
CN106893353B CN201510956444.7A CN201510956444A CN106893353B CN 106893353 B CN106893353 B CN 106893353B CN 201510956444 A CN201510956444 A CN 201510956444A CN 106893353 B CN106893353 B CN 106893353B
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Prior art keywords
compound
application
dyeing
monoazos
reaction
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CN106893353A (en
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吴国栋
马敦
韩伟鹏
柳锡林
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Shandong Anoqi Chemical Technology Research Co ltd
Shanghai Anoky Group Co Ltd
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Shanghai Anoky Group Co Ltd
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    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09BORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
    • C09B62/00Reactive dyes, i.e. dyes which form covalent bonds with the substrates or which polymerise with themselves
    • C09B62/44Reactive dyes, i.e. dyes which form covalent bonds with the substrates or which polymerise with themselves with the reactive group not directly attached to a heterocyclic ring
    • C09B62/503Reactive dyes, i.e. dyes which form covalent bonds with the substrates or which polymerise with themselves with the reactive group not directly attached to a heterocyclic ring the reactive group being an esterified or non-esterified hydroxyalkyl sulfonyl or mercaptoalkyl sulfonyl group, a quaternised or non-quaternised aminoalkyl sulfonyl group, a heterylmercapto alkyl sulfonyl group, a vinyl sulfonyl or a substituted vinyl sulfonyl group, or a thiophene-dioxide group
    • C09B62/507Azo dyes
    • C09B62/51Monoazo dyes
    • DTEXTILES; PAPER
    • D06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06PDYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
    • D06P1/00General 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
    • D06P1/38General 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 reactive dyes
    • D06P1/384General 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 reactive dyes reactive group not directly attached to heterocyclic group

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Coloring (AREA)

Abstract

The invention discloses a kind of applications of monoazos.A kind of application the present invention provides monoazos as shown in Equation 1 as reactive dye, wherein, the compound has beautiful amber yellow, prodigious solubility, moderate substantivity, very high dye uptake and degree of fixation, good enhancing, the stability of extraordinary saline-alkali tolerant, excellent wet colour fastness and light fastness, suitable in cotton, the cellulose fibres such as fiber crops or hair, exhaust dyeing on the protein fibres such as silk, continuous dyeing and stamp, it is particularly suitable for tie dyeing and cold-pad-batch process dyeing, without dyeing defect, aberration phenomenon, without disadvantage poor in poor end to end and side, it is once high at dye rate.

Description

A kind of application of monoazos
Technical field
The present invention relates to a kind of applications of monoazos.
Background technology
Reactive dye are very perfect till now, either in quality quantity, or in quality Very high level has been developed to, whole chromatogram has been covered, has substantially met the requirement in market.It is existing fresh in Yellow series dyestuff Gorgeous light yellow color system, and have saturate feux rouges yellow, or even have very gorgeous light yellow with fluorescence, these can Meet the different needs in market.But these kinds are exactly that light sensitivity is poor there are one feature, cannot meet the special of market Demand.
To this, there are also researchs both at home and abroad, have delivered several patents, wherein relatively good patent is US Re.37004. Its precursor structure and this patent are essentially identical (such as compound 3-21), but its dye uptake does not have this patent structure with degree of fixation Height.
Also referred in patent CN102898867 it is such as dyestuff (I), but its solubility is very small, does not make substantially With value.
Therefore, this field having big solubility, moderate direct, very high dye uptake and fixation there is an urgent need for a kind of The monoazo class of rate, good enhancing, the stability of extraordinary saline-alkali tolerant, excellent wet colour fastness and light fastness Close object.
Invention content
The technical problem to be solved by the present invention is in order to overcome existing monoazos dye uptake and degree of fixation Low, the defects of solubility is low, the stability of enhancing and saline-alkali tolerant is poor, and a kind of application of monoazos is provided, The compound have beautiful amber yellow, prodigious solubility, moderate direct, very high dye uptake and degree of fixation, Good enhancing, the stability of extraordinary saline-alkali tolerant, excellent wet colour fastness and light fastness are suitable in cotton, fiber crops etc. Exhaust dyeing, continuous dyeing and stamp on the protein fibres such as cellulose fibre or hair, silk, are particularly suitable for tie dyeing and cold rolling Heap dyeing, no dyeing defect, aberration phenomenon are once high at dye rate without disadvantage poor in poor end to end and side.
The present invention provides a kind of monoazos as shown in Equation 1,
Wherein, X is halogen, R1For C1~C4Alkyl, R2、R3And R4It independently is hydrogen or alkali metal.
The halogen is the halogen of this field routine, preferably chlorine or fluorine.
The C1~C4Alkyl be this field routine C1~C4Alkyl, such as methyl, ethyl, n-propyl, isopropyl Base, normal-butyl, isobutyl group or tertiary butyl, preferably methyl or ethyl.
The alkali metal is the alkali metal of this field routine, such as lithium, sodium or potassium, preferably sodium.
The present invention also provides a kind of preparation methods of above-mentioned compound 1 comprising following step:By 2 He of compound Compound 3 carries out substitution reaction, obtains compound 1;
Wherein, X1For halogen (such as chlorine).
The substitution reaction that the compound 2 and the compound 3 carry out can be to prepare monoazos field Conventional substitution reaction, following reaction conditions specifically preferred according to the invention:In water, in the presence of fatty alcohol polyoxyethylene ether, Under mildly acidic conditions, the compound 2 and the compound 3 are subjected to substitution reaction, obtain the compound 1 i.e. It can;
In the preparation method of the compound 1, the fatty alcohol polyoxyethylene ether can be to prepare monoazo class Close the fatty alcohol polyoxyethylene ether of object field routine, such as paregal O 25.
In the preparation method of the compound 1, the solutions of weak acidity can be to prepare monoazos neck The acid condition of domain routine, such as pH=5.5~6.5.
In the preparation method of the compound 1, the temperature of the substitution reaction can be to prepare monoazo class chemical combination The conventional temperature of such reaction of object field, such as 40~45 DEG C.
In the preparation method of the compound 1, the process of the substitution reaction, which may be used, prepares monoazo class Routine monitoring method (such as TLC, HPLC or NMR) in compound field is monitored, and is anti-when generally being disappeared with compound 2 Answer terminal, reaction time such as 10.0~12.0h.
Preferably, the preparation method of the compound 1 further includes following step:Compound 4 and compound 5 are subjected to idol Connection reaction, obtains the compound 2;
Wherein, A-For prepare monoazos field routine diazol anion, such as chlorion or sulfuric acid Radical ion.
The coupling reaction that the compound 4 is carried out with the compound 5 can be to prepare monoazos field Conventional coupling reaction, following reaction conditions specifically preferred according to the invention:In water, under mildly acidic conditions, by the chemical combination Object 4 carries out coupling reaction with the compound 5, obtains the compound 2;
In the preparation method of the compound 2, the solutions of weak acidity can be to prepare monoazos neck The acid condition of domain routine, such as pH=4.5~6.5 (again such as 5.0,6.0).
In the preparation method of the compound 2, the temperature of the coupling reaction can be to prepare monoazo class chemical combination The conventional temperature of such reaction of object field, such as 5~15 DEG C (such as 10 DEG C again).
In the preparation method of the compound 2, the process of the coupling reaction, which may be used, prepares monoazo class Routine monitoring method (such as TLC, HPLC or NMR) in compound field is monitored, and is anti-when generally being disappeared with compound 4 Answer terminal, reaction time such as 2.0~3.0h.
Preferably, the preparation method of the compound 1 further includes following step:Compound 6 is subjected to diazo-reaction, Obtain the compound 4;
The diazo-reaction that the compound 4 carries out can be prepare monoazos field routine diazotising it is anti- It answers, such as executes diazo-reaction, following reaction conditions specifically preferred according to the invention:It in water, in the presence of acid, will be described Compound 6 and alkali metal nitrites (such as sodium nitrite) carry out diazo-reaction, obtain the compound 4;
In the preparation method of the compound 4, the acid can be to prepare monoazos field routine Acid, such as hydrochloric acid, sulfuric acid.
In the preparation method of the compound 4, the temperature of the diazo-reaction can be to prepare monoazo class Close the conventional temperature of such reaction of object field, such as 0~20 DEG C (again such as 5 DEG C, 10 DEG C).
In the preparation method of the compound 4, the process of the diazo-reaction, which may be used, prepares monoazo Routine monitoring method (such as TLC, HPLC or NMR) in class compound field is monitored, and is when generally being disappeared with compound 6 Reaction end, reaction time such as 3.0~5.0h (such as 4h again).
Preferably, the preparation method of the compound 1 further includes following step:Compound 8 and compound 7 are taken Generation reaction, obtains the compound 3;
Wherein, X2For halogen (such as chlorine).
The substitution reaction that the compound 8 and compound 7 carry out is to prepare taking for monoazos field routine Generation reaction, following reaction conditions specifically preferred according to the invention:In water, in the presence of fatty alcohol polyoxyethylene ether, in acid item Under part, compound 8 and compound 7 are subjected to substitution reaction, obtain compound 3;
In the preparation method of the compound 3, the fatty alcohol polyoxyethylene ether can be to prepare monoazo class Close the fatty alcohol polyoxyethylene ether of object field routine, such as paregal O 25.
In the preparation method of the compound 3, the acid condition can be to prepare monoazos field Conventional acid condition, such as pH=2.0~5.0.
In the preparation method of the compound 3, the temperature of the substitution reaction can be to prepare monoazo class chemical combination The conventional temperature of such reaction of object field, such as 0~5 DEG C.
In the preparation method of the compound 3, the process of the substitution reaction, which may be used, prepares monoazo class Routine monitoring method (such as TLC, HPLC or NMR) in compound field is monitored, and is anti-when generally being disappeared with compound 8 Answer terminal, reaction time such as 1.5~2.0h.
Preferably, the preparation method of the compound 1 is as follows:
The present invention also provides a kind of preparation methods of above-mentioned compound 1 comprising following step:By 8 He of compound Compound 9 carries out substitution reaction, obtains compound 1;
Wherein, X3For halogen (such as chlorine).
The substitution reaction that the compound 8 and compound 9 carry out can be to prepare monoazos field routine Substitution reaction, following reaction conditions specifically preferred according to the invention:In water, in the presence of fatty alcohol polyoxyethylene ether, in weak acid Property under neutrallty condition, the compound 8 and the compound 9 are subjected to substitution reaction, obtain the compound 1 i.e. It can;
In the preparation method of the compound 1, the fatty alcohol polyoxyethylene ether can be to prepare monoazo class Close the fatty alcohol polyoxyethylene ether of object field routine, such as paregal O 25.
In the preparation method of the compound 1, the faintly acid to neutrallty condition can be to prepare monoazo class Close the condition of object field routine, such as pH=6.5~7.0.
In the preparation method of the compound 1, the temperature of the substitution reaction is to prepare monoazos The conventional temperature of such reaction of field, such as 40~45 DEG C.
In the preparation method of the compound 1, the process of the substitution reaction, which may be used, prepares monoazo class Routine monitoring method (such as TLC, HPLC or NMR) in compound field is monitored, and is anti-when generally being disappeared with compound 9 Answer terminal, reaction time such as 8.0~10.0h.
Preferably, the preparation method of the compound 1 further includes following step:Compound 2 and compound 10 are carried out Substitution reaction obtains the compound 9;
Wherein, X4For halogen (such as chlorine).
The substitution reaction that the compound 2 and the compound 10 carry out can be to prepare monoazos field Conventional substitution reaction, following reaction conditions specifically preferred according to the invention:In water, in the presence of fatty alcohol polyoxyethylene ether, Under faintly acid to neutrallty condition, the compound 2 and the compound 10 are subjected to substitution reaction, obtain the change Close object 9;
In the preparation method of the compound 9, the fatty alcohol polyoxyethylene ether can be to prepare monoazo class Close the fatty alcohol polyoxyethylene ether of object field routine, such as paregal O 25.
In the preparation method of the compound 9, the faintly acid to neutrallty condition can be to prepare monoazo class Close the condition of object field routine, such as pH=5.5~7.0.
In the preparation method of the compound 9, the temperature of the substitution reaction can be to prepare monoazo class chemical combination The conventional temperature of such reaction of object field, such as 0~5 DEG C.
In the preparation method of the compound 9, the process of the substitution reaction, which may be used, prepares monoazo class Routine monitoring method (such as TLC, HPLC or NMR) in compound field is monitored, and is anti-when generally being disappeared with compound 2 Answer terminal, reaction time such as 4.0~5.0h.
Preferably, the preparation method of the compound 1 further includes following step:Compound 4 and compound 5 are subjected to idol Connection reaction, obtains the compound 2;
Wherein, A-For prepare monoazos field routine diazol anion;For example preceding institute of its reaction condition It states.
Preferably, the preparation method of the compound 1 further includes following step:Compound 6 is subjected to diazo-reaction, Obtain the compound 4;Its reaction condition is as previously described;
Preferably, the preparation method of the compound 1 is as follows:
Application the present invention also provides above-mentioned compound 1 as reactive dye.
The compound 1 is amber yellow.
The compound 1 can be used for exhaust dyeing, continuous dyeing or the print of the cellulosic material containing hydroxyl or amino Spend equal fields.
The cellulosic material containing hydroxyl or amino can be the fibre containing hydroxyl or amino of field of printing and dyeing routine Tie up cellulosic material, such as cotton, viscose glue, fiber crops, silk etc. and its blended fabric.
The exhaust dyeing can be field of printing and dyeing routine exhaust dyeing, for example, with suitable compound 1, Anhydrous sodium sulphate, soda ash are made into dye liquor, bath raio 1: 15, are dyed at 60 DEG C, are then washed with clear water and acid neutralizes, then soaped, hot water wash, cold Washing, the techniques such as dry can obtain the product of function admirable.
The continuous dyeing can be field of printing and dyeing routine continuous dyeing, for example, with suitable compound 1, Levelling agent etc. is added and forms tie dyeing liquid, then caustic soda, soda ash, salt are made into fixation liquid, by soaking gadolinium dye liquor, drying, leaching gadolinium fixation The techniques such as liquid, decatize, washing, drying can obtain the product of function admirable.
The stamp can be the stamp of field of printing and dyeing routine, for example, by suitable compound 1 and sodium bicarbonate, Urea, reserve salt, sodium alginate be configured to printing paste carry out stamp, prebake, decatize, washing, then soap again, hot water wash, Cold water the techniques such as washes, irons dry and obtaining the product of function admirable.
The present invention also provides a kind of dye composites comprising above-mentioned compound 1 and auxiliary agent.The auxiliary agent can be The auxiliary agent of dye composite field routine, such as anhydrous sodium sulphate and/or Dispersant MF.
The dye composite can be made of the compound 1 and the auxiliary agent.
The present invention also provides a kind of preparation methods of above-mentioned dye composite comprising following step:It will be described Compound 1 and auxiliary agent mixing, you can.The method of the mixing can be the mixing side of dye composite field routine Method, such as dry powder blending or wet blending, preferably wet blending.
Without prejudice to the field on the basis of common sense, above-mentioned each optimum condition can be combined arbitrarily each preferably to get the present invention Embodiment.
The reagents and materials used in the present invention are commercially available.
The positive effect of the present invention is that:The compound has beautiful amber yellow, prodigious solubility, moderate Direct, very high dye uptake and degree of fixation, good enhancing, the stability of extraordinary saline-alkali tolerant, excellent wet Fastness and light fastness are handled, is suitable for the exhaust dyeing on the protein fibres such as the cellulose fibres such as cotton, fiber crops or hair, silk, connects Continuous dyeing and stamp are particularly suitable for tie dyeing and cold-pad-batch process dyeing, no dyeing defect, aberration phenomenon, without poor in poor end to end and side The shortcomings that, it is once high at dye rate.
Specific implementation mode
It is further illustrated the present invention below by the mode of embodiment, but does not therefore limit the present invention to the reality It applies among a range.In the following examples, the experimental methods for specific conditions are not specified, according to conventional methods and conditions, or according to quotient Product specification selects.
Unless otherwise indicated, temperature be degree Celsius, part and percentage are weight proportion and weight percentage, parts by weight and volume Part relationship with kilogram and liter relationship consistency.
Embodiment 1
By 36.1 parts of sulfonation para-esters300.0 parts of water and 150.0 parts it is dense Hydrochloric acid is beaten 1.0~2.0h, under ice cooling, 4, when temperature is down to 0-5 DEG C, 6.9 parts of sodium nitrites is added and (are made into 10% Solution), diazotising is carried out, is in the reaction 4.0h at 10~20 DEG C or less after micro- blue with potassium iodide starch test paper test, as instead Answer terminal.It is spare.
Urea groups aniline between 15.1 partsAdd 200 parts of water, with 10% sodium hydroxide solution tune pH=5.0 Left and right is beaten 1.0h, is slowly added into above-mentioned diazol at 10~15 DEG C, adjusts pH between 6.0~6.5 with sodium bicarbonate, adds Adjustment pH reacts between 6.0~6.5 after complete, and it is terminal that coupling 2.0~3.0h diazols, which disappear,.Obtain color base (5) compoundIt is 567 to test its molecular weight by HPLC-MS, with it Structure is consistent.
Embodiment 2
18.8 parts of Cyanuric Chlorides and 70 parts of ice, 50 parts of water and 0.1 part of paregal O 25 are beaten 45~60min in ice bath, Then 31.7 parts of N- ethyl meta position esters are addedIt is previously dissolved in 100 parts of water), it carries out One condensation, reacts at 0~5 DEG C, adjusts pH2.0~5.0 with 10% sodium carbonate liquor, 1.5~2.0h is reacted, without what is dissociated As terminal when N- ethyl meta position esters.The color base for adding the synthesis of embodiment 1 is warming up to 40 DEG C, and two contractings are carried out at 40~45 DEG C It closes, medium pH5.5~6.5 is adjusted with 10% sodium carbonate liquor, react 10.0~12.0h, as terminal when leuco base, directly Spray drying obtains dyestuff 1-1 compounds.It is 1009 to test its molecular weight by HPLC-MS, is consistent with its structure.
Embodiment 3
18.8 parts of Cyanuric Chlorides and 70 parts of ice, 50 parts of water and 0.1 part of paregal O 25 are beaten 45~60min in ice bath, Then the color base that synthesizes in embodiment 1 is added and carries out a condensation at 0~5 DEG C, with 10% sodium carbonate liquor adjusting pH5.5~ 7.0,4.0~5.0h is reacted, as terminal when leuco base.Then 31.7 parts of N- ethyl meta position esters are added and are warming up to 40 DEG C, 40 Two condensations are carried out at~45 DEG C, are adjusted medium pH6.5~7.0 with 10% sodium carbonate liquor, are reacted 8.0~10.0h, none contracting As terminal, direct spray drying when object, obtain dyestuff 1-1 compounds.It is 1009 to test its molecular weight by HPLC-MS, is tied with it Structure is consistent.
Comparative example 1
Para-ester is used in example 2Instead of N- ethyl meta position esters, synthesis dye Material, direct spray drying obtain dyestuff (I) compound.It is 981 to test its molecular weight by HPLC-MS, is consistent with its structure.
Comparative example 2
N- ethyl metanilic acids are used in example 2Instead of N- ethyl meta position esters, synthesis Dyestuff, direct spray drying obtain dyestuff (3-21) compound.It is 835 to test its molecular weight by HPLC-MS, is consistent with its structure.
Comparative example 3
Although compound (2) mostly active group than compound (1), its degree of fixation is all 80% or so after tested, Therefore, the raising effect for introducing active group is limited.
Comparative example 4
Although compound (4) mostly ethyl than compound (3), solubility all very littles of the two are practically insoluble in Water, therefore, the raising effect for introducing ethyl are limited.
Effect example
The dyestuff 1-1 compounds for taking 5 parts of embodiments 2 to synthesize carry out conventional exhaust dyeing, washing, drying with pure cotton fabric, Obtaining yellow fabric, (for example, bathtub is added in dyestuff, anhydrous sodium sulphate, soda ash, bath raio 1: 15 is warming up to 60 DEG C, keeps the temperature 60min, then Washing neutralizes, and 98 DEG C of 10min that soap, clear water is washed, and dries, obtains yellow fabric).
Dyestuff (I) compound for taking 5 parts of comparative examples 1 to synthesize carries out conventional exhaust dyeing, washing, drying with pure cotton fabric, Obtain yellow fabric (actual conditions are same as above).
Dyestuff (3-21) compound for taking 5 parts of comparative examples 2 to synthesize carries out conventional exhaust dyeing, washing, baking with pure cotton fabric It is dry, obtain yellow fabric (actual conditions are same as above).
After tested, the performance of two dyestuffs is as shown in the table:
After tested, the λ of dyestuff 1-1max(water)=432mn is amber yellow;Its substantivity S is 0.78, and dye uptake is 95.32%;Its salt of 200g/L, the caustic soda of 4g/L, the soda ash of 20g/L, 20g/L dyestuffs 1-1 dye solution in, keep Stablize 10min or more.
The direct S of dyestuff (I) is 0.91;And it is in the salt of 200g/L, soda ash, the 20g/ of the caustic soda of 4g/L, 20g/L Only adhere in the dye solution of L dyestuffs (I) several seconds, then moment precipitation.
Each performance test methods are with reference to following standards in this effect example:21 875--2008 dyestuff lifting forces of GB/T Measurement;The measurement of GB/T 2391-2014 reactive dye degree of fixation;The survey of GB/T 21879-2015 water-soluble dye solubility Pinpoint filter paper method;GB/T5713-2013 textile color stabilities test color fastness to water;GB/T8426-1998 textile color stabilities Test color fastness to light:Daylight;GB/T 3920-2008 textile color stabilities test colour fastness to rubbing;GB/T 3922-1995 Textile colour fastness to perspiration test method;GB/T 250-2008 textile color stability test evaluation discoloration gray scales.

Claims (10)

1. a kind of application of monoazos as shown in Equation 1 as reactive dye;
Wherein, X is halogen, R1For C1~C4Alkyl, R2、R3And R4It independently is hydrogen or alkali metal.
2. application as described in claim 1, which is characterized in that the halogen is fluorine or chlorine.
3. application as described in claim 1, which is characterized in that the halogen is chlorine.
4. application as described in claim 1, which is characterized in that the C1~C4Alkyl be methyl, it is ethyl, n-propyl, different Propyl, normal-butyl, isobutyl group or tertiary butyl.
5. application as described in claim 1, which is characterized in that the C1~C4Alkyl be methyl or ethyl.
6. application as described in claim 1, which is characterized in that the alkali metal is lithium, sodium or potassium.
7. application as described in claim 1, which is characterized in that the R2, described R3With the R4It is hydrogen or alkali gold Belong to.
8. application as described in claim 1, which is characterized in that the compound 1 is following compound:
9. application as described in claim 1, which is characterized in that the compound 1 is used for the fiber containing hydroxyl or amino Exhaust dyeing, continuous dyeing or the stamp field of cellulosic material.
10. application as claimed in claim 9, which is characterized in that the cellulosic material containing hydroxyl or amino be cotton, Viscose glue, fiber crops or silk and its blended fabric.
CN201510956444.7A 2015-12-17 2015-12-17 A kind of application of monoazos Expired - Fee Related CN106893353B (en)

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0056975A2 (en) * 1981-01-24 1982-08-04 Hoechst Aktiengesellschaft Water soluble monoazocompounds, process for their preparation and their use as dyestuffs
JPH069893A (en) * 1992-06-24 1994-01-18 Mitsubishi Kasei Hoechst Kk Water-soluble monoazo dye
US5380827A (en) * 1992-04-20 1995-01-10 Hoeshst Mitsubishi Kasei Co., Ltd. Water-soluble monoazodye containing a triazinyl or pyrimidinyl group and at least one vinyl sulfonyl type group in its structure
EP0693536A1 (en) * 1994-07-20 1996-01-24 Bayer Ag Azo dyes with a chlorotriazine group
CN102898867A (en) * 2012-10-31 2013-01-30 无锡润新染料有限公司 Composite reactive yellow dye and preparation method thereof
WO2013186029A1 (en) * 2012-06-15 2013-12-19 Huntsman Advanced Materials (Switzerland) Gmbh Fibre-reactive dyes, their preparation and their use

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0056975A2 (en) * 1981-01-24 1982-08-04 Hoechst Aktiengesellschaft Water soluble monoazocompounds, process for their preparation and their use as dyestuffs
US5380827A (en) * 1992-04-20 1995-01-10 Hoeshst Mitsubishi Kasei Co., Ltd. Water-soluble monoazodye containing a triazinyl or pyrimidinyl group and at least one vinyl sulfonyl type group in its structure
JPH069893A (en) * 1992-06-24 1994-01-18 Mitsubishi Kasei Hoechst Kk Water-soluble monoazo dye
EP0693536A1 (en) * 1994-07-20 1996-01-24 Bayer Ag Azo dyes with a chlorotriazine group
WO2013186029A1 (en) * 2012-06-15 2013-12-19 Huntsman Advanced Materials (Switzerland) Gmbh Fibre-reactive dyes, their preparation and their use
CN102898867A (en) * 2012-10-31 2013-01-30 无锡润新染料有限公司 Composite reactive yellow dye and preparation method thereof

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