CN104711868A - Application of bright yellow disperse dye - Google Patents

Application of bright yellow disperse dye Download PDF

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CN104711868A
CN104711868A CN201310689000.2A CN201310689000A CN104711868A CN 104711868 A CN104711868 A CN 104711868A CN 201310689000 A CN201310689000 A CN 201310689000A CN 104711868 A CN104711868 A CN 104711868A
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dyeing
disperse dyes
bright yellow
technique
grams
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CN104711868B (en
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赵敏
燕美芳
汤晓飞
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Shanghai Anoky Group Co Ltd
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Shanghai Anoky Group Co Ltd
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Abstract

The invention discloses an application of a bright yellow disperse dye. The application of the bright yellow disperse dye represented by a formula B in dyeing or printing of a polyester fiber material is provided, wherein R3 is C1-C4 straight-chain or branched-chain alkyl, -OCH3 or -OC2H5, R4 and R5 are independently H, halogen or nitro but are not simultaneously -H or nitro, and R6 and R7 are independently methyl, ethyl, -C2H4CN, -C2H4OCH3, -C2H4OC2H5 or benzyl. The disperse dye shows a bright yellow color, can be used individually, also can be in combination use with alkali-resisting disperse dyes having other colors, and has excellent alkali resistance and hydrogen peroxide oxidization resistance stability.

Description

A kind of application of bright yellow DISPERSE DYES
Technical field
The present invention relates to a kind of application of bright yellow DISPERSE DYES.
Background technology
Polyester fiber and BLENDED FABRIC thereof have important application in current high-grade fabric, and its dyestuff be suitable for is DISPERSE DYES.DISPERSE DYES is generally adopt acid dye bath dyeing when being applied to the dyeing of polyester fiber goods, but acid dyeing easily produces because oligomer stains the disadvantage such as specking, color dot, dyeing flower caused.DISPERSE DYES basic dyeing technique can effectively remove the oligomer produced in dyeing course, is expected to shorten the technological process of production, has low consumption, efficient, energy-conservation and timesaving feature.In recent years, the pressure of energy-saving and emission-reduction and cost impels printing and dyeing enterprise and color additive manufacturer to make joint efforts, and develops multiple alkali resistance disperse dye and supporting dyeing assistant thereof, also the alkaline concise one-pass bath method for dyeing technique of new development on basic dyeing Process ba-sis.
Alkaline-resisting serial DISPERSE DYES in the market, applicable pH value is generally 4-9, and portioned product can reach the scope that pH value is 4-10 or 4-11.Obviously, for concise one-pass bath method for dyeing technique, alkali resistance and the oxidative resistance of part DISPERSE DYES still are apparent not enough, and particularly lack a kind of alkali resistance and the good bright yellow DISPERSE DYES of oxidative resistance.
Patent CN102250485 discloses the Yellow disperse dye of a kind of acid-alkaline dyeing, can dye in the dye bath of pH=4-14, but and its resistance to oxidation stability not mentioned.This dye shade is that ruddiness is yellow, and carries out the reason of degree because of material purity and reaction, and this dyestuff still has the risk that carcinogenic substance aromatic amine exceeds standard.
Summary of the invention
Technical problem solved by the invention is the defect in order to overcome existing DISPERSE DYES alkali resistance difference and resistance to oxidation poor stability, provides a kind of application of bright yellow DISPERSE DYES of alkali dyeing.Yellow disperse dye of the present invention presents bright yellow, can be used as monochromatic use, also can combinationally use with the alkaline-proof disperse dyes of other colors, it has excellent alkali resistance and resistance to hydrogen peroxide oxidation stability, this feature makes it not only can be applicable to the general basic printing and dyeing processing of Polyester Fibers, also can be applicable to concise one-pass bath method for dyeing technique or bleaching and dyeing single bath process technique and dispersed activity Graft versus host disease technique, and can environmental requirement be met.
The present invention solves the problems of the technologies described above by the following technical programs:
The invention provides a kind of bright yellow DISPERSE DYES A of alkali dyeing,
Wherein, R 1for-H ,-CH 3,-C 2h 5,-OCH 3or-OC 2h 5, R 2for C 1-C 4straight or branched alkyl or benzyl.
Wherein, R 1be preferably-H or-CH 3, be more preferably-H.
Wherein, R 2being preferably n-pro-pyl, isopropyl, normal-butyl, isobutyl group, the tert-butyl group or benzyl, is more preferably n-pro-pyl.
In the present invention, the bright yellow DISPERSE DYES A of described alkali dyeing preferably such as formula the compound shown in A ' or A ' ',
Wherein, each substituent definition is all same as above.
In the present invention, the bright yellow DISPERSE DYES A of described alkali dyeing is preferred such as formula the compound shown in A1, A2 or A3 further,
Present invention also offers the preparation method of the bright yellow DISPERSE DYES A of described alkali dyeing, it comprises the steps: Compound I and compounds X-R 2carry out substitution reaction;
Wherein, R 1for-H ,-CH 3,-C 2h 5,-OCH 3or-OC 2h 5, R 2for C 1-C 4straight or branched alkyl or benzyl, X is halogen.
Wherein, the preparation method of described bright yellow DISPERSE DYES A preferably includes following step: in water, under the effect of NaOH and TBAB, and Compound I and compounds X-R 2carry out substitution reaction.
Wherein, described Compound I and described compounds X-R 2mol ratio be preferably (1:1) ~ (1:1.5).
Wherein, the mol ratio of described NaOH and described Compound I is preferably (1:1) ~ (1.6:1).
Wherein, the mol ratio of described TBAB and described Compound I is preferably (0.002:1) ~ (0.05:1).
Wherein, the temperature of described substitution reaction is preferably 65 ~ 100 DEG C.
Wherein, the described process obtaining reaction is monitored by HPLC or GC, as the terminal of reaction when generally disappearing using Compound I.The time of described substitution reaction is preferably 3 ~ 15h.
In the preparation method of bright yellow DISPERSE DYES A, described Compound I can be obtained by following method: under the effect of natrium nitrosum, and Compound II per and compound III carry out diazo coupling reaction;
The preparation method of described Compound I preferably includes following step: in hydrochloric acid, under the effect of natrium nitrosum, and Compound II per generation diazo-reaction, then under the effect of sodium carbonate and NaOH, carry out coupling reaction with compound III.
Wherein, the mol ratio of described natrium nitrosum and described Compound II per is preferably (1.01:1) ~ (1.3:1).Described natrium nitrosum preferably feeds intake with the form of sodium nitrite solution, and the mass percent of described sodium nitrite solution is preferably 20% ~ 30%.
Wherein, the mass percent concentration of described hydrochloric acid is preferably 30% ~ 36%, and the mol ratio of described hydrochloric acid and described Compound II per is preferably (2.5:1) ~ (4.5:1).
Wherein, the temperature of described diazo-reaction is preferably 0 ~ 5 DEG C.The time of described diazo-reaction is preferably 3 ~ 5h.
Wherein, the mol ratio of described compound III and described Compound II per is preferably (1.01:1) ~ (1.15:1).
Wherein, the mol ratio of described sodium carbonate and described Compound II per is preferably (1:1) ~ (1.2:1).
Wherein, the mol ratio of described NaOH and described Compound II per is preferably (1.5:1) ~ (2.0:1).
Wherein, the temperature of described coupling reaction is preferably 0 ~ 10 DEG C.The time of described coupling reaction is preferably 3 ~ 5h.
Present invention also offers the application of bright yellow DISPERSE DYES A in dyeing polyester fibre material or stamp of described alkali dyeing.
Wherein, the technique of described dyeing is preferably concise one-pass bath method for dyeing technique or bleachinges and dyeing single bath process technique.The technique of described stamp is preferably dispersed activity Graft versus host disease technique.
The invention provides bright yellow DISPERSE DYES B,
Wherein, R 3for C 1-C 4straight or branched alkyl ,-OCH 3or-OC 2h 5, R 4and R 5alone be H, halogen or nitro, but be asynchronously-H or nitro, R 6and R 7alone be methyl, ethyl ,-C 2h 4cN ,-C 2h 4oCH 3,-C 2h 4oC 2h 5or benzyl.
Wherein, R 3being preferably methyl or ethyl, is more preferably methyl.
Wherein, R 4being preferably-H ,-Cl ,-Br or nitro, is more preferably-Br.
Wherein, R 5being preferably-H ,-Cl ,-Br or nitro, is more preferably-Br.
Wherein, R 6be preferably-C 2h 4cN ,-C 2h 4oCH 3or benzyl, be more preferably-C 2h 4cN or benzyl.
Wherein, R 7be preferably-C 2h 4cN ,-C 2h 4oCH 3or benzyl, be more preferably-C 2h 4cN or benzyl.
In the present invention, described bright yellow DISPERSE DYES B preferably such as formula the compound shown in B ', B ' ' or B ' ' ',
Wherein, each substituent definition is all same as above.
In the present invention, described bright yellow DISPERSE DYES B is preferred such as formula the compound shown in B1, B2, B3, B4 or B5 further,
Present invention also offers the preparation method of described bright yellow DISPERSE DYES B, it comprises the steps: under the effect of natrium nitrosum, and compound IV and compound V carry out diazo coupling reaction;
Wherein, R 3for C 1-C 4straight or branched alkyl ,-OCH 3or-OC 2h 5, R 4and R 5alone be H, halogen or nitro, but be asynchronously-H or nitro, R 6and R 7alone be methyl, ethyl ,-C 2h 4cN ,-C 2h 4oCH 3,-C 2h 4oC 2h 5or benzyl.
The preparation method of described bright yellow DISPERSE DYES B preferably includes following step: in hydrochloric acid, under the effect of natrium nitrosum, and compound IV generation diazo-reaction, then under the effect of the concentrated sulfuric acid, carry out coupling reaction with compound V.
Wherein, the mol ratio of described natrium nitrosum and described compound IV is preferably (1.01:1) ~ (1.15:1).Described natrium nitrosum preferably feeds intake with the form of sodium nitrite solution, and the mass percent of described sodium nitrite solution is preferably 20% ~ 30%.
Wherein, the mass percent concentration of described hydrochloric acid is preferably 30% ~ 36%, and the mol ratio of described hydrochloric acid and described compound IV is preferably (2.5:1) ~ (4.5:1).
Wherein, the temperature of described diazo-reaction is preferably 0 ~ 5 DEG C.The time of described diazo-reaction is preferably 3 ~ 5h.
Wherein, the mol ratio of described compound IV and described compound V is preferably (1.01:1) ~ (1.15:1).
Wherein, the mass ratio of the described concentrated sulfuric acid and described compound IV is preferably (0.3:1) ~ (0.6:1).The mass percent concentration of the described concentrated sulfuric acid is preferably 93% ~ 98%.
Wherein, the temperature of described coupling reaction is preferably 0 ~ 10 DEG C.The time of described coupling reaction is preferably 3 ~ 5h.
Present invention also offers the described application of bright yellow DISPERSE DYES B in dyeing polyester fibre material or stamp.
Wherein, the technique of described dyeing is preferably concise one-pass bath method for dyeing technique or bleachinges and dyeing single bath process technique.The technique of described stamp is preferably dispersed activity Graft versus host disease technique.
The invention provides DISPERSE DYES C,
Wherein, R 1for-H ,-CH 3,-C 2h 5,-OCH 3or-OC 2h 5, R 2for C 1-C 4straight or branched alkyl or benzyl, R 8for C 1-C 4straight or branched alkyl, nitro ,-NHCOCH 3or-NHCOC 2h 5, R 9and R 10alone be-H, halogen or nitro.
Wherein, R 1be preferably-H or-CH 3, be more preferably-H.
Wherein, R 2being preferably propyl group, butyl or benzyl, is more preferably propyl group.
Wherein, R 8be preferably methyl, ethyl, nitro or-NHCOCH 3, be more preferably nitro or-NHCOCH 3.
Wherein, R 9being preferably-H ,-Br or nitro, is more preferably-H or-Br.
Wherein, R 10being preferably-H ,-Br or nitro, is more preferably-H or-Br.
In the present invention, described DISPERSE DYES C preferably such as formula the compound shown in C ', C ' ', C ' ' ' or C ' ' ' ',
Wherein, each substituent definition is all same as above.
In the present invention, described DISPERSE DYES C is preferred such as formula the compound shown in C1, C2, C3, C4, C5 or C6 further,
Present invention also offers the preparation method of described DISPERSE DYES C, it comprises the steps: compound VI and compounds X-R 2carry out substitution reaction;
Wherein, R 1for-H ,-CH 3,-C 2h 5,-OCH 3or-OC 2h 5, R 2for C 1-C 4straight or branched alkyl or benzyl, R 8for C 1-C 4straight or branched alkyl, nitro ,-NHCOCH 3or-NHCOC 2h 5, R 9and R 10alone be-H, halogen or nitro, X is halogen.
Wherein, the preparation method of described DISPERSE DYES C preferably includes following step: in water, under the effect of NaOH and TBAB, and compound VI and compounds X-R 2carry out substitution reaction.
Wherein, described compound VI and described compounds X-R 2mol ratio be preferably (1:1) ~ (1:1.5).
Wherein, the mol ratio of described NaOH and described compound VI is preferably (1:1) ~ (1.6:1).
Wherein, the mol ratio of described TBAB and described compound VI is preferably (0.002:1) ~ (0.05:1).
Wherein, the temperature of described substitution reaction is preferably 65 ~ 100 DEG C.
Wherein, the described process obtaining reaction is monitored by HPLC or GC, as the terminal of reaction when generally disappearing using compound VI.The time of described substitution reaction is preferably 3 ~ 15h.
In the preparation method of DISPERSE DYES C, described compound VI can be obtained by following method: under the effect of natrium nitrosum, and compound VI I and compound III carry out diazo coupling reaction;
Wherein, each substituent definition is all same as above.
The preparation method of described compound VI preferably includes following step: in hydrochloric acid, and under the effect of natrium nitrosum, diazo-reaction occurs compound VI I, then under the effect of sodium carbonate and NaOH, carries out coupling reaction with compound III.
Wherein, the mol ratio of described natrium nitrosum and described compound VI I is preferably (1.01:1) ~ (1.3:1).Described natrium nitrosum preferably feeds intake with the form of sodium nitrite solution, and the mass percent of described sodium nitrite solution is preferably 20% ~ 30%.
Wherein, the mass percent concentration of described hydrochloric acid is preferably 30% ~ 36%, and the mol ratio of described hydrochloric acid and described compound VI I is preferably (2.5:1) ~ (4.5:1).
Wherein, the temperature of described diazo-reaction is preferably 0 ~ 5 DEG C.The time of described diazo-reaction is preferably 3 ~ 5h.
Wherein, the mol ratio of described compound III and described compound VI I is preferably (1.01:1) ~ (1.15:1).
Wherein, the mol ratio of described sodium carbonate and described compound VI I is preferably (1:1) ~ (1.2:1).
Wherein, the mol ratio of described NaOH and described compound VI I is preferably (1.5:1) ~ (2.0:1).
Wherein, the temperature of described coupling reaction is preferably 0 ~ 10 DEG C.The time of described coupling reaction is preferably 3 ~ 5h.
Present invention also offers the application of described DISPERSE DYES C in dyeing polyester fibre material or stamp.
Wherein, the technique of described dyeing is preferably concise one-pass bath method for dyeing technique or bleachinges and dyeing single bath process technique.The technique of described stamp is preferably dispersed activity Graft versus host disease technique.
Present invention also offers a kind of admixture of disperse dyes, it comprises following component by percentage to the quality: DISPERSE DYES A0 ~ 100%, DISPERSE DYES B0 ~ 100% and DISPERSE DYES C0 ~ 100%, is 0 when wherein DISPERSE DYES A, DISPERSE DYES B are different with the content of DISPERSE DYES C.
Wherein, the content of described DISPERSE DYES A is preferably 5 ~ 90%, is more preferably 10 ~ 80%.
Wherein, the content of described DISPERSE DYES B is preferably 5 ~ 90%, is more preferably 10 ~ 80%.
Wherein, the content of described DISPERSE DYES C is preferably 5 ~ 90%, is more preferably 10 ~ 80%.
Preferably, described admixture of disperse dyes can also comprise auxiliary agent, described auxiliary agent can be the conventional various auxiliary agents used in the DISPERSE DYES of this area, preferably comprise in naphthalene sulfonic acid-formaldehyde condensation product, lignosulfonates and alkyl naphthalene sulfonic acid formaldehyde condensation products one or more, more preferably comprise condensation compound of methyl naphthalene sulfonic acid and formaldehyde (i.e. Dispersant MF) and/or sodium lignin sulfonate.
In described auxiliary agent and mixture, the mass ratio of DISPERSE DYES is preferably (0.6 ~ 5): 1.
Present invention also offers the preparation method of above-mentioned admixture of disperse dyes, it is any one in following method:
Method one: after all components is mixed with water by mass percentage, grinding distribution, spraying dry;
Method two: after each component is mixed with water respectively, grinding distribution, spraying dry, then mix by mass percentage.
Time in described admixture of disperse dyes containing auxiliary agent, any one in the preferred following method of preparation method of described admixture of disperse dyes:
Method one: after all components is mixed with auxiliary agent and water by mass percentage, grinding distribution, spraying dry;
Method two: after each component is mixed with auxiliary agent and water respectively, grinding distribution, spraying dry, then mix by mass percentage.
Wherein, described grinding distribution preferably carries out at grinder or sand mill.
Present invention also offers the application of above-mentioned admixture of disperse dyes in dyeing polyester fibre material or stamp.
Wherein, the technique of described dyeing is preferably concise one-pass bath method for dyeing technique or bleachinges and dyeing single bath process technique.The technique of described stamp is preferably dispersed activity Graft versus host disease technique.
On the basis meeting this area general knowledge, above-mentioned each optimum condition, can be combined, obtain the preferred embodiments of the invention.
Agents useful for same of the present invention and raw material are all commercially.
Positive progressive effect of the present invention is: dyestuff of the present invention has extremely strong alkali stability and resistance to stabilized hydrogen peroxide, this feature is concise one-pass bath method for dyeing technique or bleachinges and dyeing single bath process technique, and the application of dispersed activity Graft versus host disease technique provides feasibility; And dyestuff meets environmental protection and ecological requirements, there is comprehensive dyefastness preferably.
Detailed description of the invention
Mode below by embodiment further illustrates the present invention, but does not therefore limit the present invention among described scope of embodiments.The experimental technique of unreceipted actual conditions in the following example, conventionally and condition, or selects according to catalogue.
The preparation of compd A 1: (1) adds 150 grams, water, N-(2 in 250mL there-necked flask, 4-dinitro) phenyl-1,3-diaminobenzene 13.7 grams, room temperature uniform stirring adds the hydrochloric acid 20 grams that mass percent concentration is 36% after half an hour, continue stirring 1.5 hours, on the rocksly be cooled to 0-5 DEG C, drip the sodium nitrite solution 18.6 grams that mass fraction is 20%, then continue 0-5 DEG C of reaction 3 hours, add 0.5 gram of sulfamic acid, after colourless with starch potassium iodide paper test, namely obtain diazol and treat coupling.
(2) in 1000mL beaker, add 200 grams, water, mass fraction be 30% 7 grams, NaOH, 8.7 grams, sodium carbonate, phenol 4.8 grams, stir half little after, remain on the 0-10 DEG C of diazol dripping step (1) and obtain, pH value is kept to be that 8-9 reacts 3 hours, be warming up to 65-70 DEG C of insulation 2 hours, filter to obtain intermediate product filter cake 18 grams.
(3) in 250mL there-necked flask, add 80 grams, water, above-mentioned intermediate product filter cake, 2 grams of NaOH, 0.5 gram of TBAB is added again after stirring, be warming up to 70-85 DEG C and drip N-Propyl Bromide 6.15 grams, insulation reaction disappears to intermediate product, cooling, and filtered water is washed till neutrality, dry, obtain dyestuff dry product 18.5 grams.
By above-mentioned same synthetic method, dyestuff A2 and A3 can be obtained.
The preparation of compound B-11: the hydrochloric acid 20 grams that (1) adds 100 grams, water in 250mL there-necked flask, 2-nitro-4-ethylaniline 8.3 grams, mass percent concentration are 36%, stirring at room temperature 0.5 hour, on the rocksly be cooled to 0-5 DEG C, drip the sodium nitrite solution 17.8 grams that mass fraction is 20%, then continue 0-5 DEG C of reaction 2 hours, then add 0.5 gram of sulfamic acid, after colourless with starch potassium iodide paper test, namely obtain diazol and treat coupling.
(2) in 1000mL beaker, add 200 grams, water, the concentrated sulfuric acid 6 grams, N-cyanoethyl-N-methoxy ethyl aniline 10.5 grams, after stirring and dissolving, remain on the 0-5 DEG C of diazol dripping step (1) and obtain, and react 3 hours at this temperature, be warming up to 65-70 DEG C of insulation 2 hours, filter to obtain intermediate product filter cake, product product filter cake 18 grams of giving money as a gift.
By above-mentioned same synthetic method, dyestuff B2, B3, B4 and B5 can be obtained.
The preparation of Compound C 1: the hydrochloric acid 20 grams that (1) adds 100 grams, water in 250mL there-necked flask, 4-nitroaniline 6.9 grams, mass percent concentration are 36%, be heated to 60 DEG C stir 0.5 hour, on the rocksly after being down to room temperature be cooled to 0-5 DEG C, drip the sodium nitrite solution 17.8 grams that mass fraction is 20%, then continue 0-5 DEG C of reaction 2 hours, then add 0.5 gram of sulfamic acid, after colourless with starch potassium iodide paper test, namely obtain diazol and treat coupling.
(2) in 1000mL beaker, add 200 grams, water, mass fraction be 30% 7 grams, NaOH, 8.7 grams, sodium carbonate, phenol 4.8 grams, after stirring half an hour, remain on the 0-10 DEG C of diazol dripping step (1) and obtain, pH value is kept to be that 8-9 reacts 3 hours, be warming up to 65-70 DEG C of insulation 2 hours, filter to obtain intermediate product filter cake 11 grams.
(3) in 250mL there-necked flask, add 80 grams, water, above-mentioned intermediate product filter cake, 2 grams of NaOH, 0.5 gram of TBAB is added again after stirring, be warming up to 80-95 DEG C and drip benzyl chloride 6.8 grams, insulation reaction disappears to intermediate product, cooling, and filtered water is washed till neutrality, dry, obtain dyestuff dry product 14 grams.
By above-mentioned same synthetic method, dyestuff C2, C3, C4, C5 and C6 can be obtained.
Embodiment 1
Former dyestuff 20 grams shown in former dyestuff 20 grams shown in former dyestuff shown in formula A1 10 grams, formula B4, formula C3, Dispersant MF 60 grams, sodium lignin sulfonate 15 grams, 153 gram one, water are reinstated sand mill and carried out dispersion treatment, spraying dry again, obtains bright yellow dye mixture of the present invention.
Embodiment 2 ~ 30
According to the preparation method of embodiment 1, by the data shown in following table 1, the compound shown in formula A, B, C is carried out grinding distribution, spraying dry.
Table 1
Effect example 1
Respectively get the obtained DISPERSE DYES of 0.5 gram of embodiment 1-30 to be dispersed in 500 ml waters and to become dye suspensions, draw 25 milliliters of suspension to mix with the water of 25 milliliters, adjust Value in Dyeing Process for 4 with acetic acid, be warming up to 60 DEG C, put into 2.5 grams of polyester fiber cloths respectively, in 30 minutes, be warming up to 130 DEG C, be incubated 50 minutes, cooling, fully washes, dries up.
By above-mentioned colouring method, the DISPERSE DYES obtained by embodiment 1-30 carries out counterstain respectively in the dye bath of different pH value.Value in Dyeing Process is respectively 5.5,9,11,12,13(pH value is when being 14, polyester fiber cloth is badly broken after high-temperature pressure dyeing, therefore not choose pH value be 14 to test), and be respectively added with 6g/L30% hydrogen peroxide.
By GB/T3921-2008, GB/T3920-2008, GB/T5718-1997 standard, above-mentioned dyeing cloth specimen is tested that it is water-fastness respectively, rub resistance and sub limation fastness.Test result in table 2, wherein all using Value in Dyeing Process be 4 and the dyeing cloth specimen not adding hydrogen peroxide as standard.
Comparative example
Get the DISPERSE DYES of preparation example 2 described in 0.5 gram of CN102250485A, test its alkali resistance and oxidation resistent susceptibility by the same method, and water-fastness, rub resistance and sub limation fastness.Result is also listed in table 2.
Table 2
(numerical value in upper table in wash durability, crocking resistance and sub limation fastness is series)
As can be seen from the above table, DISPERSE DYES of the present invention can use in the basic conditions, and the stability of resistance to hydrogen peroxide oxidation is also fine, its wash durability, crocking resistance and sub limation fastness are all better, and the dyestuff of comparative example resistance to oxidation stability is under strongly alkaline conditions not ideal enough, be worse than DISPERSE DYES of the present invention.
Effect example 2
Disperse conventional printing technology: respectively get the DISPERSE DYES that 1.5 grams of embodiment 1-30 are obtained, respectively with 1 gram of reservehao S (m-nitrobenzene sulfonic acid), 2 grams of urea, 70 gram mass marks are the former paste mixing of sodium alginate of 8%, adding water to total amount is 100 grams, and be adjusted to pH value for 5-6 with proper amount of acetic acid, after stirring, stamp is carried out to polyester cotton (T65/C35), in 170 DEG C of decatizes 7 minutes after oven dry, washing, soaps, and dries.
Dispersed activity Graft versus host disease technique: respectively get the DISPERSE DYES that 1.5 grams of embodiment 1-30 are obtained, respectively with 2 grams of sodium bicarbonates, 1 gram of reservehao S (m-nitrobenzene sulfonic acid), 2 grams of urea, 70 gram mass marks are the former paste mixing of sodium alginate of 8%, adding water to total amount is 100 grams, after stirring, stamp is carried out to polyester cotton (T65/C35), in 102 DEG C of decatizes 8 minutes after oven dry, then 2 minutes are baked in 190 DEG C, washing, soaps, and dries.
With the cloth specimen of conventional printing technology gained for standard, the coloured light of the DISPERSE DYES Graft versus host disease cloth specimen that testing example 1-30 obtains and intensity.Test its fastness to rubbing respectively by GB/T3920-2008, the results are shown in Table 3.
Table 3
As can be seen here, DISPERSE DYES of the present invention, because having excellent alkali resistance and resistance to oxidation stability, adopts dispersed activity Graft versus host disease technique can reach the effect consistent with conventional printing technology in coloured light, intensity and fastness.

Claims (9)

1. one kind such as formula the application of bright yellow DISPERSE DYES in dyeing polyester fibre material or stamp shown in B;
Wherein, R 3for C 1-C 4straight or branched alkyl ,-OCH 3or-OC 2h 5, R 4and R 5alone be H, halogen or nitro, but be asynchronously-H or nitro, R 6and R 7alone be methyl, ethyl ,-C 2h 4cN ,-C 2h 4oCH 3,-C 2h 4oC 2h 5or benzyl.
2. apply as claimed in claim 1, it is characterized in that, described R 3for methyl or ethyl.
3. apply as claimed in claim 1, it is characterized in that, described R 4for-H ,-Cl ,-Br or nitro.
4. apply as claimed in claim 1, it is characterized in that, described R 5for-H ,-Cl ,-Br or nitro.
5. apply as claimed in claim 1, it is characterized in that, described R 6for-C 2h 4cN ,-C 2h 4oCH 3or benzyl.
6. apply as claimed in claim 1, it is characterized in that, described R 7for-C 2h 4cN ,-C 2h 4oCH 3or benzyl.
7. apply as claimed in claim 1, it is characterized in that, described such as formula the bright yellow DISPERSE DYES shown in B for such as formula the compound shown in B ', B ' ' or B ' ' ',
Wherein, each substituent definition is all with according to any one of claim 1 ~ 6.
8. apply as claimed in claim 7, it is characterized in that, described such as formula the bright yellow DISPERSE DYES shown in B for such as formula the compound shown in B1, B2, B3, B4 or B5,
9. apply as claimed in claim 1, it is characterized in that, the technique of described dyeing is concise one-pass bath method for dyeing technique or bleachinges and dyeing single bath process technique; The technique of described stamp is dispersed activity Graft versus host disease technique.
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