CN101705014B - Orange reactive dye for wool and preparation method thereof - Google Patents
Orange reactive dye for wool and preparation method thereof Download PDFInfo
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- CN101705014B CN101705014B CN 200910228201 CN200910228201A CN101705014B CN 101705014 B CN101705014 B CN 101705014B CN 200910228201 CN200910228201 CN 200910228201 CN 200910228201 A CN200910228201 A CN 200910228201A CN 101705014 B CN101705014 B CN 101705014B
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Abstract
The invention discloses an orange reactive dye for wool and a preparation method thereof. The orange reactive dye for the wool is a compound having a general formula (I) structure as follows, wherein R1 is H, alkyl, alkoxy or SO3M; R2 is H, alkyl or alkoxy; R3 is COCHBrCH2Br; Z is SO2C2H4OSO3M; and M is H or alkali metal. The usage and the preparation for the dye can reduce environmental pollution; and the orange reactive dye for wool is characterized by low cost of raw materials, high product solubility, bright color, excellent application performance, convenient use and strong applicability.
Description
Technical field
The present invention relates to a kind of reactive dye for wool and preparation method thereof, particularly relate to a kind of orange reactive dye for wool and preparation method thereof.
Background technology
Now general dyeing wool, cashmere, used dyestuff are matching stain, acid mordant dye and metallized dye.Because with the material that these kinds of dyes are dyed, fastness is all not good enough, coloured light is not really gorgeous, but also can cause trouble to environmental protection.Get into 21 century because the restriction of environmental ecology, for dye uptake, degree of fixation and dyeing waste-water require increasingly high.Matching stain can not satisfy development of times again.
Technical problem to be solved by this invention is, provides one can reduce environmental pollution, and the desired raw material cost is low, and product solubility is high, and bright in colour, and application performance is excellent, and is easy to use, orange reactive dye for wool that suitability is strong and preparation method thereof.
Summary of the invention
In order to solve the problems of the technologies described above, the invention provides a kind of orange reactive dye for wool, this orange reactive dye for wool is the compound with following general formula (I) structure:
Wherein:
R
1Be H, alkyl, alkoxyl group or SO
3M;
R
2Be H, alkyl or alkoxyl group;
R
3Be COCHBrCH
2Br;
Z is SO
2C
2H
4OSO
3M;
M is H or basic metal;
Preferably, wherein alkyl is CH
3Or CH
2CH
3, alkoxyl group is OCH
3Or OCH
2CH
3, M is a basic metal;
More preferably, alkyl is CH
3, alkoxyl group is OCH
3, M is the Na metal;
The preparation method of the dye composition of said structure formula (I) comprises the steps:
The dissolving of a, J acid
Use sodium hydroxide solution to transfer the pH of J acid solution to be 6.5-7.0, the mass/volume concentration of adjustment solution is 7.5%, gets the J acid solution;
B, condensation reaction
Adjustment J acid solution mass/volume concentration is 6%, keeps pH=6～6.5 with sodium hydrogencarbonate, 5～10 ℃ of temperature, and 40～60 minutes times spent, add 2,3-two bromo propionyl chloros and acetone mixed solution reacted 1-3 hour, got condensated liquid.
C, diazotization reaction
In water, the regulator solution temperature is less than 0 ℃ with the compound dissolution of following general formula (II), and the pH that keeps solution with hydrochloric acid adds Sodium Nitrite fast less than 2, keeps 0～5 ℃ of reaction of temperature 1-3 hour, eliminates excessive nitrous acid with thionamic acid, diazonium liquid,
R wherein
1, R
2Definition with the implication above of Z.
D, coupled reaction
The diazonium liquid that the c step is obtained joins in the condensated liquid that the b step obtains, holding temperature 10-30 ℃, keep pH=5-8, reacted 3-5 hour coupling solution.
E, neutralization reaction
Coupling solution is adjusted to pH=6-6.5 with hydrochloric acid soln, stirred 10-20 minute.
F, drying
With dry formula (I) compound that gets of the solution spray of e step.
Preferably, the preparation method of the dye composition of said structure formula (I) comprises the steps:
The dissolving of a, J acid
With water dissolution J acid, transfer pH=6.5-7 with sodium hydroxide solution then, make material dissolution, clarification, the mass/volume concentration of adjustment solution is 7.5%, gets the J acid solution;
B, condensation reaction
Under 5～7 ℃ of temperature, adjustment J acid solution mass/volume concentration is 6%, keeps pH=6～6.5 with sodium hydrogencarbonate; Kept 40～60 minutes for 5～10 ℃ in temperature; Add 2 then, 3-two bromo propionyl chloros and acetone mixed solution, 5～10 ℃ of holding temperatures and pH value 6～6.5; Reacted 1-3 hour, and got condensated liquid.
C, diazotization reaction
The compound dissolution of following general formula (II) in water, is added hydrochloric acid, and the regulator solution temperature is less than 0 ℃, and the pH that keeps solution adds Sodium Nitrite fast less than 2, keeps 0～5 ℃ of reaction of temperature 1-3 hour, eliminates excessive nitrous acid with thionamic acid, diazonium liquid,
R wherein
1, R
2Definition with the implication above of Z.
D, coupled reaction
The diazonium liquid that the c step is obtained joins in the condensated liquid that the b step obtains, and transfers pH=7 with yellow soda ash, is warmed up to 10 ℃, holding temperature 10-30 ℃, keep pH=5-8, reacted 3-5 hour coupling solution.
E, neutralization reaction
Coupling solution is adjusted to pH=6-6.5 with hydrochloric acid soln, stirred 10-20 minute.
F, drying
With dry formula (I) compound that gets of the solution spray of e step.
More preferably, the preparation method of the dye composition of said structure formula (I) comprises the steps:
The dissolving of a, J acid
In beaker, add water, add 100%J acid then, stir down and transfer pH=6.5-7, make material dissolution with 30% sodium hydroxide solution, clarification, the volume of adjustment solution, the mass/volume concentration that makes solution is 7.5% J acid solution.
B, condensation reaction
With direct ice and water adjustment J acid solution temperature to 5～7 ℃, adjustment liquor capacity concentration is 6%, keeps pH=6～6.5 with sodium hydrogencarbonate then; With 5～10 ℃ of direct ice holding temperatures, 40～60 minutes times spent are with 2 of suitable moles mass; 3-two bromo propionyl chloros and acetone mixed solution add; 5～10 ℃ of holding temperatures and pH value 6～6.5 were reacted 1-3 hour, got condensated liquid.
C, diazotization reaction
In beaker, add water, add the compound of following structural formula (II) then, stirred 10-20 minute.30% hydrochloric acid soln is added, and less than 0 ℃, adjustment mass/volume concentration is 5.5% with direct ice adjustment solution temperature; Under reaction soln guarantees that the pH value is less than 2 condition, 30% sodium nitrite solution of suitable moles mass is added 0～5 ℃ of holding temperature fast; Reacted 1-3 hour; Eliminate excessive nitrous acid with thionamic acid, get diazonium liquid
R wherein
1, R
2Definition with the implication above of Z.
D, coupled reaction
The diazonium liquid that the c step is obtained joins in the condensated liquid that the b step obtains, and transfers pH=7 with yellow soda ash, is warmed up to 10 ℃, and holding temperature 10-30 ℃, keep pH=5-8, reacted 3-5 hour.
E, neutralization reaction
Coupled reaction liquid is adjusted to pH=6-6.5 with 30% hydrochloric acid soln, stirred 10-20 minute.
F, drying
The look liquid of e step is joined in the feed liquid preheater, adjust the spray tower inlet temperature and carry out spraying drying, obtain product.
J acid is the abbreviation of 2-amino-5-naphthols-7-sulfonic acid or 6-amino-1-naphthols-3-sulfonic acid.Its structural formula is following:
Preferably, the compound of said structure formula (II) is position ester, a Ke Lixiding para-ester between para-ester, a position ester, O-methoxy, sulfonation para-ester or 2,5-dimethoxy para-ester.
Particularly, the compound of said structure formula (II) is respectively:
Para-ester is claimed again (beta-sulfuric ester ethyl sulfonyl) aniline, the vinyl sulfone(Remzaol sulfuric ester, and 4-sulfovinic acid sulfuryl aniline, right-beta-hydroxy second sulfone aniline sulfuric ester or right-beta-hydroxy second sulfone aniline sulfuric ester, its structural formula is following:
Between the position ester be between the abbreviation of (beta-sulfuric ester ethyl sulfonyl base) aniline, its structural formula is following:
By name the 2-methoxyl group-5-β-its structural formula of ethyl sulfuryl sulfate ester aniline is following for the chemistry of position ester between O-methoxy:
The CAS number of boarding of Ke Lixiding para-ester (Para Cresidine Base) is 21635-69-8.
The chemistry of sulfonation para-ester is called 4-β-ethyl sulfuryl sulfate ester aniline-2-sulfonic acid, and its structural formula is following:
2, the chemistry of 5-dimethoxy para-ester is called 2,5-dimethoxy-4 '-β-ethyl sulfuryl sulfate ester aniline, and the CAS number of boarding is 26672-24-2, structural formula is following:
In the method for aforesaid method and hereinafter embodiment, the unit of mass/volume concentration is grams per milliliter (g/ml) or kg/liter (kg/L).
Used various raw materials all can be bought from market and obtain in the aforesaid method.
Using and preparing of the compound of the present invention's preparation can reduce environmental pollution, and the desired raw material cost is low, and product solubility is high, lovely luster, and application performance is excellent, and is easy to use, is the strong orange reactive dye for wool of a kind of suitability.
Embodiment
Following embodiment just to the explanation of technical scheme of the present invention, does not form any restriction to technical scheme of the present invention and protection domain.
Embodiment 1
The dissolving of a, J acid
In 500 ml beakers, add 200 milliliters in water, add 100%J acid 23.9 grams then, stir down and transfer pH=6.5-7.0 with 30% sodium hydroxide solution; Make material dissolution, clarification, the volume of adjustment solution is 319 milliliters; The mass/volume concentration that makes solution is 7.5%, gets the J acid solution.
B, condensation reaction
With direct ice and water adjustment J acid solution temperature to 5～7 ℃, adjustment solution quality/volumetric concentration is 6%, follows 96% sodium hydrogencarbonate to keep pH=6～6.5 then; With 5～10 ℃ of direct ice holding temperatures; 50 minutes times spent, with 100% 2,3-two bromo propionyl chloros 32.6 gram and the adding of acetone mixed solution; 5～10 ℃ of holding temperatures and pH value 6～6.5, react 2 hours must condensated liquid.
C, diazotization reaction
In 800 ml beakers, add 200 milliliters in water, then 100% para-ester, 28.1 grams are added, stirred 15 minutes.15.8 grams, 30% hydrochloric acid soln is added, less than 0 ℃, adjustment mass/volume concentration is 5.5% with direct ice adjustment solution temperature again; Under reaction soln guarantees that the pH value is less than 2 condition,, be made into 30% sodium nitrite solution and add fast 100% Sodium Nitrite, 7.04 grams; 0～5 ℃ of holding temperature; Reacted 2 hours, and eliminated excessive nitrous acid, get diazonium liquid with thionamic acid
D, coupled reaction
The diazonium liquid that the c step is obtained joins in the condensated liquid that the b step obtains, and transfers pH=7 with 96% yellow soda ash, is warmed up to 20 ℃, and holding temperature 20-30 ℃, keep pH=7-7.5, reacted 4 hours.
E, neutralization reaction
Coupled reaction liquid is adjusted to pH=6-6.5 with 30% hydrochloric acid soln, stirred 15 minutes.
F, drying
The look liquid of e step is joined in the feed liquid preheater, adjust the spray tower inlet temperature and carry out spraying drying.Get the orange dye of formula.
Embodiment 2
The dissolving of a, J acid
In 500 ml beakers, add 200 milliliters in water, add 100%J acid 23.9 grams then, stir down and transfer pH=6.5-7, make material dissolution, clarification with 30% sodium hydroxide solution.The volume of adjustment solution is 319 milliliters.The mass/volume concentration that makes solution is 7.5%
B, condensation reaction
With direct ice and water adjustment J acid solution temperature to 5～7 ℃, adjustment solution quality/volumetric concentration is 6%, follows 96% sodium hydrogencarbonate to keep pH=6～6.5 then; With 5～10 ℃ of direct ice holding temperatures; 50 minutes times spent, with 100% 2,3-two bromo propionyl chloros 32.6 gram and the adding of acetone mixed solution; 5～10 ℃ of holding temperatures and pH value 6～6.5, react 2 hours must condensated liquid.
C, diazotization reaction
In 800 ml beakers, add 200 milliliters in water, then 100% position ester, 28.1 grams are added, stirred 15 minutes.Again 15.8 grams, 30% hydrochloric acid soln is added.Less than 0 ℃, adjustment mass/volume concentration is 5.5% with direct ice adjustment solution temperature, under reaction soln guarantees that the pH value is less than 2 condition, with 100% Sodium Nitrite, 7.04 grams, is made into 30% sodium nitrite solution and adds fast.0～5 ℃ of holding temperature was reacted 2 hours, eliminated excessive nitrous acid with thionamic acid, got diazonium liquid
D, coupled reaction
The diazonium liquid that the c step is obtained joins in the condensated liquid that the b step obtains, and transfers pH=7 with 96% yellow soda ash, is warmed up to 20 ℃, and holding temperature 20-30 ℃, keep pH=7-7.5, reacted 4 hours.
E, neutralization reaction
Coupled reaction liquid is adjusted to pH=6-6.5 with 30% hydrochloric acid soln, stirred 15 minutes.
F, drying
The look liquid of e step is joined in the feed liquid preheater, adjust the spray tower inlet temperature and carry out spraying drying.Get the orange dye of formula:
Embodiment 3
The dissolving of a, J acid
In 500 ml beakers, add 200 milliliters in water, add 100%J acid 23.9 grams then, stir down and transfer pH=6.5-7, make material dissolution, clarification with 30% sodium hydroxide solution.The volume of adjustment solution is 319 milliliters.The mass/volume concentration that makes solution is 7.5%
B, condensation reaction
With direct ice and water adjustment J acid solution temperature to 5～7 ℃, adjustment solution quality/volumetric concentration is 6%, follows 96% sodium hydrogencarbonate to keep pH=6～6.5 then; With 5～10 ℃ of direct ice holding temperatures; 50 minutes times spent, with 100% 2,3-two bromo propionyl chloros 32.6 gram and the adding of acetone mixed solution; 5～10 ℃ of holding temperatures and pH value 6～6.5, react 2 hours must condensated liquid.
C, diazotization reaction
In 800 ml beakers, add 200 milliliters in water, then 100%2-methoxyl group-5-β-ethyl sulfuryl sulfate ester aniline 31.1 grams are added, stirred 15 minutes.Again 15.8 grams, 30% hydrochloric acid soln is added.Less than 0 ℃, adjustment mass/volume concentration is 5.5% with direct ice adjustment solution temperature, under reaction soln guarantees that the pH value is less than 2 condition, with 100% Sodium Nitrite, 7.04 grams, is made into 30% sodium nitrite solution and adds fast.0～5 ℃ of holding temperature was reacted 2 hours, eliminated excessive nitrous acid with thionamic acid, got diazonium liquid
D, coupled reaction
The diazonium liquid that the c step is obtained joins in the condensated liquid that the b step obtains, and transfers pH=7 with 96% yellow soda ash, is warmed up to 20 ℃, and holding temperature 20-30 ℃, keep pH=7-7.5, reacted 4 hours.
E, neutralization reaction
Coupled reaction liquid is adjusted to pH=6-6.5 with 30% hydrochloric acid soln, stirred 15 minutes.
F, drying
The look liquid of e step is joined in the feed liquid preheater, adjust the spray tower inlet temperature and carry out spraying drying.Get the orange dye of formula:
Embodiment 4
The dissolving of a, J acid
In 500 ml beakers, add 200 milliliters in water, add 100%J acid 23.9 grams then, stir down and transfer pH=6.5-7, make material dissolution, clarification with 30% sodium hydroxide solution.The volume of adjustment solution is 319 milliliters.The mass/volume concentration that makes solution is 7.5%
B, condensation reaction
With direct ice and water adjustment J acid solution temperature to 5～7 ℃, adjustment solution quality/volumetric concentration is 6%, follows 96% sodium hydrogencarbonate to keep pH=6～6.5 then; With 5～10 ℃ of direct ice holding temperatures; 50 minutes times spent, with 100% 2,3-two bromo propionyl chloros 32.6 gram and the adding of acetone mixed solution; 5～10 ℃ of holding temperatures and pH value 6～6.5, react 2 hours must condensated liquid.
C, diazotization reaction
In 800 ml beakers, add 200 milliliters in water, then 100% Ke Lixiding para-ester, 32.5 grams are added, stirred 15 minutes.Again 15.8 grams, 30% hydrochloric acid soln is added.Less than 0 ℃, adjustment mass/volume concentration is 5.5% with direct ice adjustment solution temperature, under reaction soln guarantees that the pH value is less than 2 condition, with 100% Sodium Nitrite, 7.04 grams, is made into 30% sodium nitrite solution and adds fast.0～5 ℃ of holding temperature was reacted 2 hours, eliminated excessive nitrous acid with thionamic acid, got diazonium liquid
D, coupled reaction
The diazonium liquid that the c step is obtained joins in the condensated liquid that the b step obtains, and transfers pH=7 with 96% yellow soda ash, is warmed up to 20 ℃, and holding temperature 20-30 ℃, keep pH=7-7.5, reacted 4 hours.
E, neutralization reaction
Coupled reaction liquid is adjusted to pH=6-6.5 with 30% hydrochloric acid soln, stirred 15 minutes.
F, drying
The look liquid of e step is joined in the feed liquid preheater, adjust the spray tower inlet temperature and carry out spraying drying.Get the orange dye of formula:
Embodiment 5
The dissolving of a, J acid
In 500 ml beakers, add 200 milliliters in water, add 100%J acid 23.9 grams then, stir down and transfer pH=6.5-7, make material dissolution, clarification with 30% sodium hydroxide solution.The volume of adjustment solution is 319 milliliters.The mass/volume concentration that makes solution is 7.5%
B, condensation reaction
With direct ice and water adjustment J acid solution temperature to 5～7 ℃, adjustment solution quality/volumetric concentration is 6%, follows 96% sodium hydrogencarbonate to keep pH=6～6.5 then; With 5～10 ℃ of direct ice holding temperatures; 50 minutes times spent, with 100% 2,3-two bromo propionyl chloros 32.6 gram and the adding of acetone mixed solution; 5～10 ℃ of holding temperatures and pH value 6～6.5, react 2 hours must condensated liquid.
C, diazotization reaction
In 800 ml beakers, add 200 milliliters in water, then 100% sulfonation para-ester, 36.1 grams are added, stirred 15 minutes.Again 15.8 grams, 30% hydrochloric acid soln is added.Less than 0 ℃, adjustment mass/volume concentration is 5.5% with direct ice adjustment solution temperature, under reaction soln guarantees that the pH value is less than 2 condition, with 100% Sodium Nitrite, 7.04 grams, is made into 30% sodium nitrite solution and adds fast.0～5 ℃ of holding temperature was reacted 2 hours, eliminated excessive nitrous acid with thionamic acid, got diazonium liquid
D, coupled reaction
The diazonium liquid that the c step is obtained joins in the condensated liquid that the b step obtains, and transfers pH=7 with 96% yellow soda ash, is warmed up to 20 ℃, and holding temperature 20-30 ℃, keep pH=7-7.5, reacted 4 hours.
E, neutralization reaction
Coupled reaction liquid is adjusted to pH=6-6.5 with 30% hydrochloric acid soln, stirred 15 minutes.
F, drying
The look liquid of e step is joined in the feed liquid preheater, adjust the spray tower inlet temperature and carry out spraying drying.Get the orange dye of formula:
Embodiment 6
The dissolving of a, J acid
In 500 ml beakers, add 200 milliliters in water, add 100%J acid 23.9 grams then, stir down and transfer pH=6.5-7, make material dissolution, clarification with 30% sodium hydroxide solution.The volume of adjustment solution is 319 milliliters.The mass/volume concentration that makes solution is 7.5%
B, condensation reaction
With direct ice and water adjustment J acid solution temperature to 5～7 ℃, adjustment solution quality/volumetric concentration is 6%, follows 96% sodium hydrogencarbonate to keep pH=6～6.5 then; With 5～10 ℃ of direct ice holding temperatures; 50 minutes times spent, with 100% 2,3-two bromo propionyl chloros 32.6 gram and the adding of acetone mixed solution; 5～10 ℃ of holding temperatures and pH value 6～6.5, react 2 hours must condensated liquid.
C, diazotization reaction
In 800 ml beakers, add 200 milliliters in water, then with 100%2,5-dimethoxy para-ester 34.1 grams add, and stir 15 minutes.Again 15.8 grams, 30% hydrochloric acid soln is added.Less than 0 ℃, adjustment mass/volume concentration is 5.5% with direct ice adjustment solution temperature, under reaction soln guarantees that the pH value is less than 2 condition, with 100% Sodium Nitrite, 7.04 grams, is made into 30% sodium nitrite solution and adds fast.0～5 ℃ of holding temperature was reacted 2 hours, eliminated excessive nitrous acid with thionamic acid, got diazonium liquid
D, coupled reaction
The diazonium liquid that the c step is obtained joins in the condensated liquid that the b step obtains, and transfers pH=7 with 96% yellow soda ash, is warmed up to 20 ℃, and holding temperature 20-30 ℃, keep pH=7-7.5, reacted 4 hours.
E, neutralization reaction
Coupled reaction liquid is adjusted to pH=6-6.5 with 30% hydrochloric acid soln, stirred 15 minutes.
F, drying
The look liquid of e step is joined in the feed liquid preheater, adjust the spray tower inlet temperature and carry out spraying drying.Get the orange dye of formula:
The orange reactive dye for wool application performance of the embodiment of the invention 1 preparation is as shown in the table:
Compound of the present invention and preparation method thereof is described through concrete embodiment.Those skilled in the art can use for reference links such as content appropriate change raw material of the present invention, processing condition and realize corresponding other purpose; Its relevant change does not all break away from content of the present invention; All similar replacements and change will become apparent to those skilled in the art that all to be regarded as and are included within the scope of the present invention.
Claims (6)
1. orange reactive dye for wool, this orange reactive dye for wool is the compound with following general formula (I) structure:
Wherein:
R
1Be H, CH
3, CH
2CH
3, OCH
3, or OCH
2CH
3
R
2Be CH
3, CH
2CH
3, OCH
3Or OCH
2CH
3
R
3Be COCHBrCH
2Br;
Z is SO
2C
2H
4OSO
3M;
M is H or basic metal.
2. dyestuff according to claim 1, wherein M is a basic metal.
3. the preparation method of dyestuff according to claim 1, this method comprises the steps:
The dissolving of a, J acid
Use sodium hydroxide solution to transfer the pH of J acid solution to be 6.5-7, the mass/volume concentration of adjustment solution is that 0.075g/ml gets the J acid solution;
B, condensation reaction
Adjustment J acid solution mass/volume concentration is 0.06g/ml, keeps pH=6～6.5 with sodium hydrogencarbonate, 5～10 ℃ of temperature, and 40～60 minutes times spent, add 2,3-two bromo propionyl chloros and acetone mixed solution reacted 1-3 hour, got condensated liquid;
C, diazotization reaction
In water, the regulator solution temperature is less than 0 ℃ with the compound dissolution of following general formula (II), and the pH that keeps solution with hydrochloric acid adds Sodium Nitrite fast less than 2, keeps 0～5 ℃ of reaction of temperature 1-3 hour, eliminates excessive nitrous acid with thionamic acid, diazonium liquid,
R wherein
1, R
2With the implication of Z with the definition in the claim 1;
D, coupled reaction
The diazonium liquid that the c step is obtained joins in the condensated liquid that the b step obtains, holding temperature 10-30 ℃, keep pH=5-8, reacted 3-5 hour coupling solution;
E, neutralization reaction
Coupling solution is adjusted to pH=6-6.5 with hydrochloric acid soln, stirred 10-20 minute;
F, drying
With dry formula (I) compound that gets of the solution spray of e step.
4. method according to claim 3, this method comprises the steps:
The dissolving of a, J acid
With water dissolution J acid, transfer pH=6.5-7 with sodium hydroxide solution then, make material dissolution, clarification, the mass/volume concentration of adjustment solution is 0.075g/ml, gets the J acid solution;
B, condensation reaction
Under 5～7 ℃ of temperature, adjustment J acid solution mass/volume concentration is 0.06g/ml, keeps pH=6～6.5 with sodium hydrogencarbonate; 5～10 ℃ of temperature, 40～60 minutes times spent, add 2; 3-two bromo propionyl chloros and acetone mixed solution; 5～10 ℃ of holding temperatures and pH value 6～6.5 were reacted 1-3 hour, got condensated liquid;
C, diazotization reaction
The compound dissolution of following general formula (II) in water, is added hydrochloric acid, and the regulator solution temperature is less than 0 ℃, and the pH that keeps solution adds Sodium Nitrite fast less than 2, keeps 0～5 ℃ of reaction of temperature 1-3 hour, eliminates excessive nitrous acid with thionamic acid, diazonium liquid,
R wherein
1, R
2With the implication of Z with the definition in the claim 1;
D, coupled reaction
The diazonium liquid that the c step is obtained joins in the condensated liquid that the b step obtains, and transfers pH=7 with yellow soda ash, is warmed up to 10 ℃, holding temperature 10-30 ℃, keep pH=5-8, reacted 3-5 hour coupling solution;
E, neutralization reaction
Coupling solution is adjusted to pH=6-6.5 with hydrochloric acid soln, stirred 10-20 minute;
F, drying
With dry formula (I) compound that gets of the solution spray of e step.
5. method according to claim 4, this method comprises the steps:
The dissolving of a, J acid
In beaker, add water, add 100%J acid then, stir down and transfer pH=6.5-7, make material dissolution with 30% sodium hydroxide solution, clarification, the volume of adjustment solution, the mass/volume concentration that makes solution is the J acid solution of 0.075g/ml;
B, condensation reaction
With direct ice and water adjustment J acid solution temperature to 5～7 ℃, adjustment solution quality/volumetric concentration is 0.06g/ml, keeps pH=6～6.5 with sodium hydrogencarbonate then; With 5～10 ℃ of direct ice holding temperatures, 40～60 minutes times spent are with 2 of suitable moles mass; 3-two bromo propionyl chloros and acetone mixed solution add; 5～10 ℃ of holding temperatures and pH value 6～6.5 were reacted 1-3 hour, got condensated liquid;
C, diazotization reaction
In beaker, add water, add the compound of following structural formula (II) then, stirred 10-20 minute; 30% hydrochloric acid soln is added, and less than 0 ℃, adjustment mass/volume concentration is 0.055g/ml with direct ice adjustment solution temperature; Under reaction soln guarantees that the pH value is less than 2 condition, 30% sodium nitrite solution of suitable moles mass is added 0～5 ℃ of holding temperature fast; Reacted 1-3 hour; Eliminate excessive nitrous acid with thionamic acid, get diazonium liquid
R wherein
1, R
2With the implication of Z with the definition in the claim 1;
D, coupled reaction
The diazonium liquid that the c step is obtained joins in the condensated liquid that the b step obtains, and transfers pH=7 with yellow soda ash, is warmed up to 10 ℃, and holding temperature 10-30 ℃, keep pH=5-8, reacted 3-5 hour;
E, neutralization reaction
Coupled reaction liquid is adjusted to pH=6-6.5 with 30% hydrochloric acid soln, stirred 10-20 minute;
F, drying
The solution of e step is joined in the feed liquid preheater, adjust the spray tower inlet temperature and carry out spraying drying, obtain product.
6. according to each described method of claim 3-5, wherein the compound of structural formula (II) is Ke Lixiding para-ester or 2,5-dimethoxy para-ester.
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| CN101906256A (en) * | 2010-08-20 | 2010-12-08 | 天津德凯化工股份有限公司 | Orange reactive dye and preparation method thereof |
| CN101942215A (en) * | 2010-08-20 | 2011-01-12 | 天津德凯化工股份有限公司 | Orange reactive dye for wool and preparation method thereof |
| CN102190906B (en) * | 2011-03-26 | 2013-07-10 | 安徽盛源染料有限公司 | Nylon orange active dye and preparation method thereof |
| CN102433022B (en) * | 2011-09-27 | 2016-06-08 | 天津德凯化工股份有限公司 | Garnet-red reactive dye and preparation method thereof |
| CN105504869A (en) * | 2015-11-27 | 2016-04-20 | 天津德凯化工股份有限公司 | Yellow reactive dye |
| CN105504870A (en) * | 2015-11-27 | 2016-04-20 | 天津德凯化工股份有限公司 | Yellow reactive dye and preparation method thereof |
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| US4816360A (en) * | 1985-12-11 | 1989-03-28 | Ciba-Geigy Ag | Multicolor holograms using gelatin as the binder and method for producing the same |
| US5092903A (en) * | 1989-09-22 | 1992-03-03 | Ciba-Geigy Corporation | Process for dyeing or printing blends of cellulosic fibre materials and silk with dihalo-propionamido or halo-acryl amido reactive dyes |
| DE4437262A1 (en) * | 1993-10-22 | 1995-04-27 | Ciba Geigy Ag | Reactive dyes, preparation thereof and use thereof |
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|---|---|---|---|---|
| US4788115A (en) * | 1985-12-11 | 1988-11-29 | Ciba-Geigy Ag | Processing holograms |
| US4816360A (en) * | 1985-12-11 | 1989-03-28 | Ciba-Geigy Ag | Multicolor holograms using gelatin as the binder and method for producing the same |
| US5092903A (en) * | 1989-09-22 | 1992-03-03 | Ciba-Geigy Corporation | Process for dyeing or printing blends of cellulosic fibre materials and silk with dihalo-propionamido or halo-acryl amido reactive dyes |
| DE4437262A1 (en) * | 1993-10-22 | 1995-04-27 | Ciba Geigy Ag | Reactive dyes, preparation thereof and use thereof |
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