CN102924960B - Benzo isothiazole azo pyrazolone disperse dye as well as preparation method and use thereof - Google Patents

Benzo isothiazole azo pyrazolone disperse dye as well as preparation method and use thereof Download PDF

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CN102924960B
CN102924960B CN201210498771.9A CN201210498771A CN102924960B CN 102924960 B CN102924960 B CN 102924960B CN 201210498771 A CN201210498771 A CN 201210498771A CN 102924960 B CN102924960 B CN 102924960B
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dye
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CN102924960A (en
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黄伟
陈晓春
王银歌
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Nanjing University
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Abstract

The invention discloses a benzo isothiazole azo pyrazolone disperse dye. The benzo isothiazole azo pyrazolone disperse dye is a compound having the structure shown in a formula (I) in the specification. Conjugate migration of hydrogen connected with a heteroatom in the benzo isothiazole azo pyrazolone heterocyclic ring disperse dyes is performed among benzo isothiazole ring, azo and pyrazolone to display bright-colored yellow, red and blue; and moreover, the dye is large in hue span and rich in colors; and therefore, the benzo isothiazole azo pyrazolone disperse dye can be used for preparing a fiber identification coloring agent. The invention discloses a preparation method of the benzo isothiazole azo pyrazolone disperse dye.

Description

A kind of benzisothiazole azo pyrazolone type disperse dye and method for making and purposes
Technical field
The present invention relates to a kind of benzisothiazole azo pyrazolone type disperse dye and the application in textile apparel fibers is differentiated thereof.
Background technology
Fibre identification is very important to work such as the inspection of quality in the stages such as fiber process, weaving, printing and dyeing and production management and control, many people are studied, therefore produce a variety of discrimination methods, as By Birefringence Method, fluorescent method, X-ray diffraction method, infrared spectroscopy, rotational line polarization detection method, terahertz time-domain spectroscopy, density gradient method and thermogravimetry etc., analysis result accuracy is high, but instrument is expensive, and need special experimenter, laboratory adopts the simple method such as microscopic examination, burning, chemical test, staining test conventionally.
For natural fiber---cotton, wool, silk, the fiber crops sample microscopic examination method that takes a morsel, can distinguish, but man-made fiber the method resolving ability is obviously declined.Though combustion test is very simple but inaccurate, chemical test needs a set of analytical reagent with corrodibility and toxicity, and result is subject to the impact of operational condition larger, and process is loaded down with trivial details.These methods are for the fibre identification of single type and set up, and for the discriminating of mixed fibre product, are difficult to be suitable for.
Paint test differentiate fiber be a kind of easy and simple to handle, speed fast, equipment simple method again.The good tinting material of some effects is developed, as the common development of HI-1 fibre identification tinting material Shi You China Textile University and Shanghai City printing and dyeing industry company, by the substantive dyestuff of dispersed dye, anionic property, the cationic dyestuff of cationic is composite forms, the test method of differentiating textile fibres with this reagent, has been listed in GB/T 13787-92 textile fibres telling test method tinting material method.Fibre identification agent-chemical drug differentiating solvent Q and the Kayastain A of No. 4 fibre identification tinting materials of Du Pont, Nippon Kayaku K. K's exploitation are also formed by different types of dyestuff blending, and these dyestuffs, respectively to dying on specific fiber, make it to present unique color.
The known tinting material with certain application is all composited by multiple dyestuff, complicated components.Particularly anionic dyestuff and cationic dyestuff are composite, are easy to cohesion in various degree occurs in preparation, storage, use procedure, stable not.And dispersed dye component wherein has tinting strength on synthon and semi-synthetic fibre, the tinting material that mixing colouring agent forms is also not obvious in the color distinction of different fibers, as HI-1 fibre identification tinting material on terylene for rubine, vinegar fine for orange, nylon are that sauce is red, acrylic fibers are pink, wool be red lotus etc. is all red color tone, if misoperation or dye when insufficient, still easily obscures.
Garment material human consumer, is often subject to fake and forged puzzlement, need under the condition of house, differentiate quickly and easily generic and the approximate content of common fiber, is also difficult at present realize.Therefore need a kind of stable performance, common fiber as fibers such as terylene, nylon, cotton, hair, vinegar fibre, acrylic fibers on the obvious fibre identification reagent of colour development difference, and simple to operate, be easy to the fibre identification method of realization.
Summary of the invention
The object of this invention is to provide a kind of common fiber and blending product thereof, fibre identification tinting material fast and accurately.
The inventor is [(a) .W.Huang, H.F.Qian, Dyes Pigm., 2008,77,446 on the basis of dispersed dye structure effect research; (b) W.Huang, Dyes Pigm., 2008,79,69; (c) H.F.Qian and W.Huang, ActaCrystallogr.Sect.C Cryst.Struct.Commun., 2006, C62, o62; (d) T.Tao, F.Xu, X.C.Chen, Q.Q.Liu, W.Huang, X.Z.You, Dyes Pigm., 2012,92,916; (e) J.Geng, T.Tao, S.J.Fu, W.You, W.Huang, Dyes Pigm., 2011,90,65; (f) B.Hu, G.Wang, W.You, W.Huang, X.Z.You, DyesPigm., 2011,91,105; (g) W.You, H.Y.Zhu, W.Huang, B.Hu, Y.Fan and X.-Z.You, DaltonTrans., 2010,39,7876; (h) X.C.Chen, T.Tao, Y.G.Wang, Y.X.Peng, W.Huang, H.F.Qian, Dalton Trans., 2012,41,11107], designed and synthesized a kind of acid-base reagent energy variable color of meeting, the heterocycle dispersed dye of benzisothiazole azo pyrazoline ketone, are surprised to find the hydrogen being connected with heteroatoms, under certain potential of hydrogen, can be in benzisothiazole ring, azo, the migration of pyrazolone interannular generation conjugation, can demonstrate bright-coloured Huang, red and blue, form and aspect span is very large, and color performance is abundant.
Figure BDA00002491255600021
Unexpectedly, such dyestuff has different painted behavior and color on each fibrid, especially on the good chemical synthetic fiber of tint permanence, shows especially complete different form and aspect, is extremely suitable as fibre identification materials'use.
For achieving the above object, technical scheme of the present invention is as follows:
A benzisothiazole azo pyrazolone type disperse dye, it is the Compound I that has following structure:
formula (I)
Wherein: R 1for hydrogen, halogen, alkyl, alkoxyl group, nitro or trifluoromethyl;
R 2for C 1~8alkyl, phenyl or COOR, wherein R is alkyl or the alkyl that replaced by oxygen;
R 3for hydrogen, C 1~8alkyl, halogen, C 1~8alkyl sulfuryl, C 1~4alkyl amido, C 1~8alkyl sulfonyl amino, phenylsulfonamido or C 1~4benzene sulfonamide amido;
R 4for hydrogen, alkyl, halogen, methylsulfonyl, alkyl amido or sulfonamido.
Above-mentioned benzisothiazole azo pyrazolone type disperse dye, it is the Compound I that has following structure:
Figure BDA00002491255600031
formula (I)
Preferably
R wherein 1, R 2, R 3, R 4taking from following three groups with the definition of Y appoints and gets one:
1.R 1for nitro, R 2for CH 3, R 3for hydrogen, R 4for hydrogen;
2.R 1for nitro, R 2for CH 3, R 3for Cl, R 4for hydrogen;
3.R 1for nitro, R 2for CH 3, R 3for hydrogen, R 4for CH 3;
4.R 1for nitro, R 2for COOCH 3, R 3for hydrogen, R 4for hydrogen.
Above-mentioned benzisothiazole azo pyrazolone type disperse dye, can there is conjugation migration in the hydrogen atom being connected with heteroatoms of described Compound I, form isomer II or III:
Figure BDA00002491255600032
Formula II formula III
R wherein 1, R 2, R 3and R 4definition and above-mentioned Compound I in R 1, R 2, R 3and R 4definition identical.
A method of preparing above-mentioned dispersed dye, it comprises the steps:
Step 1. takes 0.227g(3.3mmol) NaNO 2, add 2.5ml(39.6mmol, 1:12) and the vitriol oil, rapid stirring, while being heated to 65-70 ℃ (temperature can not over 80 ℃), stops heating, and cooling naturally, if salt out, can be heated a little and make its dissolving, obtains nitrosyl sulfuric acid; Take 3-amino-5-R of 3mmol 1-2,1-benzisothiazole, dissolves with above-mentioned solution, then adds the vitriol oil of 2ml, has obtained auburn solution, and solid all dissolves;
Step 2. is got the 5ml vitriol oil, and 7.5ml Glacial acetic acid is made into sulfuric acid/acetum of 40% in 250ml three-necked bottle, add a little ice cube, put into cryosel and bathe, the deep brown solution that step 1 is made is added drop-wise in sulphuric acid soln, rapid stirring, after dripping, continues reaction 10~15min;
Step 3. takes the 1-(2-R of 3mmol 3-4-R 4-phenyl)-3-R 2-5-pyrazolone, puts into 250ml three-necked bottle, adds 30ml methyl alcohol, 30ml deionized water, cryosel is bathed, and keeps temperature lower than 0 ℃, by the diazotization solution of step 2, is added drop-wise in pyridone solution, and quick vigorous stirring, after dropwising, reaction 5~10min makes it complete;
After step 4. reaction finishes, mother liquor is heated to 40~50 ℃ of ageings 5 minutes, makes dye granule become large, decompress filter, water successively, ethanol/water 1:1 solution washing, dries, and obtains Compound I;
Wherein said R 1, R 2, R 3and R 4definition and above-mentioned Compound I in R 1, R 2, R 3and R 4definition identical.
The inventor is surprised to find, the heterocycle dispersed dye of benzisothiazole azo pyrazoline ketone of the present invention, the hydrogen being connected with heteroatoms, under certain potential of hydrogen, can be in benzisothiazole ring, azo, the migration of pyrazolone interannular generation conjugation, can demonstrate bright-coloured Huang, red and blue, form and aspect span is very large, and color performance is abundant.
Therefore, benzisothiazole azo pyrazoline ketone dyestuff of the present invention can be as preparing fibre identification tinting material.
Above-mentioned fibre identification tinting material, it at least contains a kind of component A as shown in the formula (I), the total amount of the fibre identification tinting material based on described, component A massfraction is 1~100%.
The present invention relates to a kind of textile fiber identification method, it is characterized in that using described fiber dimension to differentiate tinting material.
Contriver studies discovery, shown in formula (I) generally there is the tautomerism of azo and hydrazone formula structure in structure, under room temperature, mainly with hydrazone formula configuration, exist, and the carbonyl of hydrazone hydrogen and pyrazolone forms intramolecular six-ring hydrogen bond, but the proton of hydrazone hydrogen under certain condition (as different pH values, temperature, with the supramolecule effect of solvent) can on pyrazolone ring and benzisothiazole ring, move.The characteristic of moving under certain chemical environment just because of this kind of proton, when they and different fibre-effects, can be subject to the impact of the different chemical group that fiber has, the isomer of dye composition shown in formula (I) and the migration of heteroatoms hydrogen conjugation thereof exists with different ratios, shows distinct colors.
Described component A, preferably one of following, two or more mixture:
formula (I-1),
Figure BDA00002491255600042
formula (I-2),
Figure BDA00002491255600051
formula (I-3),
Figure BDA00002491255600052
formula (I-4),
The dye composition the present invention relates to is a class water-insoluble dye.For convenience of using, generally, fibre identification tinting material of the present invention is through case of wet attrition under auxiliary agent exists, and dispersion processing becomes wield dispersed dye goods.For example, by dye composition shown in general structure (I), general structure (II), general structure (III), under the existence of auxiliary agent, water or other wetting agent, with sand mill, grind, make its median size at 0.1 to 10 micron, obtain the dispersed dye goods of fibre identification tinting material of the present invention.The dispersed dye goods that obtain can be for the preparation of printing paste or dye bath after adding water.
Described auxiliary agent is dispersed dye when processing conventional dispersion agent, diffusant etc., preferably one of following or its several mixture arbitrarily: the anionic dispersing agents such as the ammonia solution thing of the hydrolyzate of the formaldehyde condensation products of the formaldehyde condensation products of naphthene sulfonic acid, the formaldehyde condensation products of alkyl naphthalene sulfonic acid, benzyl naphthalene sulfonic acid, sulfonated lignin, polycarboxylic acid macromolecule dispersing agent, phenylethylene-maleic anhydride resin, phenylethylene-maleic anhydride resin, the carboxylate of phenylethylene-maleic anhydride resin, poly alkylene glycol ether sulfuric ester, alkyl polyoxyethylene glycol phosphoric acid ester.Especially naphthalene sulfonic acidformaldehyde condensation product (dispersing agent NNO), condensation compound of methyl naphthalene sulfonic acid and formaldehyde (as Dispersant MF), benzyl naphthalenesulfonate formaldehyde condensation compound (dispersing agent CNF), sodium lignosulfonate (as commercial dispersants Reax 83A, Reax 85A).The ratio of auxiliary agent and dye composition can change in relative broad range, and generally the weight ratio of auxiliary agent and dyestuff is (0.2~10): 1, preferably (0.5~2): 1.
The liquid state of the dispersed dye goods of fibre identification tinting material of the present invention after with corpusculed, emulsifiable paste state, by spray-drying process etc., carry out dried powdery or graininess is supplied with dyeing.In flowing product, the weight percentage of dye composition is 10~60%, and the weight percentage of auxiliary agent is 5~45%, and all the other are water or other synergistic agent.Described synergistic agent is optional frostproofer, anti-settling agent, sterilant, metal chelating agent, hyperchromicity agent, thickening material, stablizer, levelling agent, fastness elevator, defoamer and carrier (swelling agent) etc.In solid dye goods, the weight percentage of dye composition is 10~60%, and the weight percentage of auxiliary agent is 40~90%.
Fibre identification tinting material of the present invention is dying filamentary material can be realized according to known method.For example, under optional common carrier (swelling agent), conventional anionic or non-ionic dispersing agent, levelling agent, buffer reagent, reduction preventing agent etc. exist, in pH value, be by aqueous dispersion, by dip method, to be dyeed at the temperature of 4~11,95~140 ℃; Can also the slurry that dyes that contain fibre identification tinting material be applied to fabric by the mode of padding, after drying, in 180~225 ℃, carry out hot melt fixation 15 seconds~5 minutes; Can also the printing paste that contain fibre identification tinting material be applied to fabric by the method scraping, again by saturation steam (147~176KPa, 120~140 ℃, 10~45 minutes), (160~185 ℃ of superheated vapours, 4~15 minutes) or heated dry air (190~225 ℃, 0.5~5 minute) carry out fixation.
Full and uniform painted when not needing, when making fast qualitative and differentiating or only do rough qualitative analysis, can also will be impregnated with fiber or the fabric of fibre identification tinting material of the present invention, by electric iron pressing fixation or insert microwave-oven-heating fixation.
Painted thing can directly be observed after rinsing well with clear water.In order to observation, can also be by the tone of soaping or reduction clearing acquisition is distincter.
Material to be identified and known materials are bathed together, with condition, with fibre identification tinting material of the present invention, dyeed, by ratio method, can increase the accuracy of fibre identification.If parallel execution coloured differently condition, as different PH, differing temps, Different staining method carries out many conditions correlations, can significantly improve the accuracy rate of fiber identification.
By fibre identification tinting material of the present invention level dyeing for mixed fibre or fabric, in view of people's the vision acumen sensation to color, according to different tint permanences and the coloured light of xenogenesis fiber, uneven rate that can testing fiber blending, judges that whether blending is even.If coloured fiber or fabric are chosen to a minute distinct colors under the microscope, weigh in the balance respectively heavily, can detection fibers or the blending rate of fabric.
The present invention is owing to having adopted technique scheme, realized simple, differentiate exactly textile fibres, because dye component is less, also tool has the following advantages: textile fibres of the present invention differentiates that tinting material is easy to preparation, is easy to use, fibre identification recoverability is good, common fiber recognition rate is high, can also be for analyzing mixed fibre and fabric.
Embodiment
With specific embodiment, the present invention is described below, but protection scope of the present invention is not limited to this.
Embodiment 1
Take 0.227g(3.3mmol) NaNO 2, add 2.5ml(39.6mmol, 1:12) and the vitriol oil, rapid stirring, while being heated to 65-70 ℃ (temperature can not over 80 ℃), stops heating, and cooling naturally, if salt out, can be heated a little and make its dissolving, obtains nitrosyl sulfuric acid.Take 0.585g(3mmol) 3-amino-5-nitro-2,1-benzisothiazole, dissolves with above-mentioned solution, then adds the vitriol oil of 2ml, has obtained auburn solution, and solid all dissolves.
Get the 5ml vitriol oil, 7.5ml Glacial acetic acid is made into sulfuric acid/acetum of 40% in 250ml three-necked bottle, adds a little ice cube, puts into cryosel and bathes.The above-mentioned deep brown solution preparing is added drop-wise in sulphuric acid soln to rapid stirring.After dripping, reaction 10~15min.
Take 0.523g (3mmol) 1-phenyl-3-methyl-5-pyrazolones ketone, put into 250ml three-necked bottle, add 30ml methyl alcohol, 30ml deionized water, cryosel is bathed, keep temperature lower than 0 ℃, by above-mentioned diazotization solution, be added drop-wise in pyridone solution, and quick vigorous stirring, after dropwising, reaction 5~10min makes it complete.
After reaction finishes, mother liquor is heated to 40~50 ℃ of ageings 5 minutes, makes dye granule become large, decompress filter, water successively, ethanol/water 1:1 solution washing, dries, and obtains Compound I-1, quality is 0.94g(productive rate 82.3%).
Mp:282-283℃.Anal.Calcd.for[C 17H 12N 6O 3S]:C,53.68;H,2.18;N,22.09%.Found:C,53.45;H,2.23;N,21.98%.Main?FT-IR?absorptions(KBr?pellets,cm -1):3249(w),1654(m),1538(m),1498(s),1319(s),1147(s). 1H?NMR(500MHz,CDCl 3)δ:8.80(s,1H,isthiazole),8.20(d,1H,isthiazole),7.95(d,2H,phen),7.72(d,1H,isthiazole),7.48(t,2H,phen),7.29(t,1H,phen),2.44(s,3H,Me).Positive?ESI-MS:m/z=379.33,[M] +.UV-Vis?in?methonal,λ max/ε(L·mol -1·cm -1)=578(22030)and?315(13470)nm.
Embodiment 2
Take 0.227g(3.3mmol) NaNO 2, add 2.5ml(39.6mmol, 1:12) and the vitriol oil, rapid stirring, while being heated to 65-70 ℃ (temperature can not over 80 ℃), stops heating, and cooling naturally, if salt out, can be heated a little and make its dissolving, obtains nitrosyl sulfuric acid.Take 0.585g(3mmol) 3-amino-5-nitro-2,1-benzisothiazole, dissolves with above-mentioned solution, then adds the vitriol oil of 2ml, has obtained auburn solution, and solid all dissolves.
Get the 5ml vitriol oil, 7.5ml Glacial acetic acid is made into sulfuric acid/acetum of 40% in 250ml three-necked bottle, adds a little ice cube, puts into cryosel and bathes.The above-mentioned deep brown solution preparing is added drop-wise in sulphuric acid soln to rapid stirring.After dripping, reaction 10~15min.
Take 3mmol 1-phenyl-3-methoxycarbonyl-5-pyrazolone, put into 250ml three-necked bottle, add 30ml methyl alcohol, 30ml deionized water, cryosel is bathed, keep temperature lower than 0 ℃, by above-mentioned diazotization solution, be added drop-wise in pyridone solution, and quick vigorous stirring, after dropwising, reaction 5~10min makes it complete.
After reaction finishes, mother liquor is heated to 40~50 ℃ of ageings 5 minutes, makes dye granule become large, decompress filter, water successively, ethanol/water 1:1 solution washing, dries, and obtains Compound I-2.
Embodiment 3
Take 0.227g(3.3mmol) NaNO 2, add 2.5ml(39.6mmol, 1:12) and the vitriol oil, rapid stirring, while being heated to 65-70 ℃ (temperature can not over 80 ℃), stops heating, and cooling naturally, if salt out, can be heated a little and make its dissolving, obtains nitrosyl sulfuric acid.Take 0.585g(3mmol) 3-amino-5-nitro-2,1-benzisothiazole, dissolves with above-mentioned solution, then adds the vitriol oil of 2ml, has obtained auburn solution, and solid all dissolves.
Get the 5ml vitriol oil, 7.5ml Glacial acetic acid is made into sulfuric acid/acetum of 40% in 250ml three-necked bottle, adds a little ice cube, puts into cryosel and bathes.The above-mentioned deep brown solution preparing is added drop-wise in sulphuric acid soln to rapid stirring.After dripping, reaction 10~15min.
Take 3mmol 1-(2-chloro-phenyl-)-3-methyl-5-pyrazolone, put into 250ml three-necked bottle, add 30ml methyl alcohol, 30ml deionized water, cryosel is bathed, keep temperature lower than 0 ℃, by above-mentioned diazotization solution, be added drop-wise in pyridone solution, and quick vigorous stirring, after dropwising, reaction 5~10min makes it complete.
After reaction finishes, mother liquor is heated to 40~50 ℃ of ageings 5 minutes, makes dye granule become large, decompress filter, water successively, ethanol/water 1:1 solution washing, dries, and obtains Compound I-3.
Embodiment 4
Take 0.227g(3.3mmol) NaNO 2, add 2.5ml(39.6mmol, 1:12) and the vitriol oil, rapid stirring, while being heated to 65-70 ℃ (temperature can not over 80 ℃), stops heating, and cooling naturally, if salt out, can be heated a little and make its dissolving, obtains nitrosyl sulfuric acid.Take 0.585g(3mmol) 3-amino-5-nitro-2,1-benzisothiazole, dissolves with above-mentioned solution, then adds the vitriol oil of 2ml, has obtained auburn solution, and solid all dissolves.
Get the 5ml vitriol oil, 7.5ml Glacial acetic acid is made into sulfuric acid/acetum of 40% in 250ml three-necked bottle, adds a little ice cube, puts into cryosel and bathes.The above-mentioned deep brown solution preparing is added drop-wise in sulphuric acid soln to rapid stirring.After dripping, reaction 10~15min.
Take 3mmol 1-(4-aminomethyl phenyl)-3-methyl-5-pyrazolone, put into 250ml three-necked bottle, add 30ml methyl alcohol, 30ml deionized water, cryosel is bathed, keep temperature lower than 0 ℃, by above-mentioned diazotization solution, be added drop-wise in pyridone solution, and quick vigorous stirring, after dropwising, reaction 5~10min makes it complete.
After reaction finishes, mother liquor is heated to 40~50 ℃ of ageings 5 minutes, makes dye granule become large, decompress filter, water successively, ethanol/water 1:1 solution washing, dries, and obtains Compound I-4.
Embodiment 5
By the ammonia solution thing of 2 grams of dispersion agent Reax 83A, 10 grams of macromolecule dispersing agent phenylethylene-maleic anhydride resins, 30 grams of wetting agents and antifreeze glycol, 0.1 gram of sterilant CMIT, 0.1 gram of defoamer phenylethyl alcohol oleic acid ester and 47.8 grams of water, employing homogenizer mixes, and in whipping process, to mixed solution, adds the dye composition shown in 10 grams of formulas (I-1).Then add silicon carbide, adopt shredder under the rotating speed of 3500 revs/min, to grind 40 hours, be uniformly dispersed, stable mill base.Take 30 grams of described mill bases, add 9 grams of ethylene glycol, 6 grams of glycol ethers, 3 grams of glycerol, 0.3 gram of surfactant A EO-9,11.7 grams of water, after stirring under normal temperature, employing aperture is that the strainer of 0.45 micron filters, and obtains fibre identification tinting material liquid product.
Embodiment 6
Dye composition shown in 50.0 grams of formulas (I-1), 70 grams of dispersion agent Reax 85A, 200 grams of pure water one are reinstated to sand mill and carried out corpusculed (making dispersion treatment), until particle diameter is less than 1 micron, spraying is dry again, obtains the solid-state product of fibre identification tinting material.
Embodiment 7
Get solid-state product and 0.075 gram of Glacial acetic acid of the fibre identification tinting material that 0.05 gram of embodiment 3 makes, be made into 75 milliliters of dye liquors, wherein pH value is 4~4.5, put into 1.0 gram of six fine fabric and (meet GB 7564-7568 textile color stability test STANDARD ADJACENT FABRIC specification (neq ISO 105-F:1985), fine by vinegar, cotton, nylon, terylene, six kinds of acrylic fibers and wools etc. are fibrous), the fiber needle fabric of material is known at 1.0 grams of ends, in 60 minutes, by normal temperature, be warmed up to 130 ℃, be incubated 45 minutes, in the time of below being cooled to 85 ℃, take out fabric, at 85 ℃ by V-Brite B and sodium-hydroxide treatment 20 minutes, water rinse, dry.Painted situation is as shown in table 1.
Table 1
Figure BDA00002491255600091
Unknown fiber by yellowish-brown and blue two kinds fibrous, clip is a fritter wherein, folding bulk fibre, separation under amplification border, wherein yellowish brown fiber is 0.0822 gram, 0.0675 gram of blue fiber.By learning with six fiber contrasts, unknown fabric is polyester and nylon blended product, and blending rate is about 55:45.
Embodiment 8
Press embodiment 8 operations, wherein acetic acid substitutes for sodium bicarbonate, and wherein pH value is 7~8, obtains the painted result significantly different from example 5, as shown in table 2:
Table 2
Figure BDA00002491255600101
The color that sample acquisition is similar with polyamide fibre (nylon) to terylene and the deep or light degree of depth.
If the comparing result in conjunction with implementing 4, shows that sample is under coloured differently condition, there is the painted behavior the same with polyamide fibre with terylene, therefore, by the different condition contrast of dye, judge that sample is polyester and nylon blended product.Obviously, such conclusion is very reliable.
Embodiment 9
By unknown fiber and six fine fabrics (specification that meets ISO 105-F:1985 STANDARD ADJACENT FABRIC), with embodiment 6 gained liquid products, infiltrate, wring out, then infiltrate and extract, then use electric iron pressing 30 seconds.With clear water, rinse, in painted sample, obviously have ruddiness grey and brown fibre, cotton with to wash painted situation similar to six fine standard fabric, then binding fiber outward appearance, the unknown fiber that is easy to determine is cotton-polyester blend thing.
Embodiment 10
By unknown fiber and six fine fabrics (specification that meets ISO 105-F:1985 STANDARD ADJACENT FABRIC), with embodiment 6 gained immersion bubbles, then insert in microwave oven, high power handling 2 minutes, cooling rinse with clear water afterwards, obtain painted thing similar to Example 10, obtain identical identification result.
In sum, utilize the present invention to differentiate that fiber is simple and quick, even can under the condition of house, implement, in addition, the diversity by fiber staining under the painted condition of difference contrasts, and can differentiate exactly fiber.

Claims (6)

1. a benzisothiazole azo pyrazolone type disperse dye, is characterized in that it is the Compound I that has following structure:
Wherein: R 1for hydrogen, halogen, alkyl, alkoxyl group, nitro or trifluoromethyl;
R 2for C 1~8alkyl, phenyl or COOR, wherein R is alkyl or the alkyl that replaced by oxygen;
R 3for hydrogen, C 1~8alkyl, halogen, C 1~8alkyl sulfuryl, C 1~4alkyl amido, C 1~8alkyl sulfonyl amino, phenylsulfonamido or C 1~4benzene sulfonamide amido;
R 4for hydrogen, alkyl, halogen, methylsulfonyl, alkyl amido or sulfonamido.
2. a benzisothiazole azo pyrazolone type disperse dye, is characterized in that it is the Compound I that has following structure:
Figure FDA0000425376080000012
R wherein 1, R 2, R 3, R 4definition take from following four groups and appoint and get one:
Group 1.R 1for nitro, R 2for CH 3, R 3for hydrogen, R 4for hydrogen;
Group 2.R 1for nitro, R 2for CH 3, R 3for Cl, R 4for hydrogen;
Group 3.R 1for nitro, R 2for CH 3, R 3for hydrogen, R 4for CH 3;
Group 4.R 1for nitro, R 2for COOCH 3, R 3for hydrogen, R 4for hydrogen.
3. benzisothiazole azo pyrazolone type disperse dye according to claim 1 and 2, is characterized in that: conjugation migration can occur the hydrogen atom being connected with heteroatoms of described Compound I, forms isomer II or III:
Figure FDA0000425376080000013
R wherein 1, R 2, R 3and R 4definition and above-mentioned Compound I in R 1, R 2, R 3and R 4definition identical.
4. a method of preparing dispersed dye described in claim 1 or 2, is characterized in that it comprises the steps:
Step 1. takes 0.227g(3.3mmol) NaNO 2, add 2.5ml(39.6mmol, 1:12) and the vitriol oil, rapid stirring, while being heated to 65-70 ℃, stops heating, and cooling naturally, if salt out, can be heated a little it is dissolved, and obtains nitrosyl sulfuric acid; Take 3-amino-5-R of 3mmol 1-2,1-benzisothiazole, dissolves with above-mentioned solution, then adds the vitriol oil of 2ml, has obtained auburn solution, and solid all dissolves;
Step 2. is got the 5ml vitriol oil, and 7.5ml Glacial acetic acid is made into sulfuric acid/acetum of 40% in 250ml three-necked bottle, add a little ice cube, put into cryosel and bathe, the deep brown solution that step 1 is made is added drop-wise in sulfuric acid/acetum, rapid stirring, after dripping, continues reaction 10~15min;
Step 3. takes the 1-(2-R of 3mmol 3-4-R 4-phenyl)-3-R 2-5-pyrazolone, puts into 250ml three-necked bottle, adds 30ml methyl alcohol, 30ml deionized water, cryosel is bathed, and keeps temperature lower than 0 ℃, by the diazotization solution of step 2, is added drop-wise in pyridone solution, and quick vigorous stirring, after dropwising, reaction 5~10min makes it complete;
After step 4. reaction finishes, mother liquor is heated to 40~50 ℃ of ageings 5 minutes, makes dye granule become large, decompress filter, water successively, ethanol/water 1:1 solution washing, dries, and obtains Compound I;
Wherein said R 1, R 2, R 3and R 4definition and above-mentioned Compound I in R 1, R 2, R 3and R 4definition identical.
5. the application of the benzisothiazole azo pyrazoline ketone dyestuff described in claim 1 or 2 in preparing fibre identification tinting material.
6. fibre identification tinting material according to claim 5, is characterized in that: it at least contains the component A shown in the Compound I described in a kind of claim 1 or 2, the total amount of the fibre identification tinting material based on described, and component A massfraction is 1~100%.
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