CN109705614A - A kind of reactive dye - Google Patents
A kind of reactive dye Download PDFInfo
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- CN109705614A CN109705614A CN201811540717.XA CN201811540717A CN109705614A CN 109705614 A CN109705614 A CN 109705614A CN 201811540717 A CN201811540717 A CN 201811540717A CN 109705614 A CN109705614 A CN 109705614A
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- reactive dye
- reactive
- dye
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Abstract
The invention discloses a kind of reactive dye.The reactive fluorescent dye is the compound with following general formula (I) structure.Reactive dye preparation process provided by the invention is simple, and bright in colour, dyeing course neutrality fixation is easy to use it is not necessary that alkaline agent is added, and is a kind of environmentally friendly reactive dye.
Description
Technical field
The present invention relates to a kind of Textile Dyes, more particularly to a kind of preparation and use of reactive dye.
Background technique
The characteristics of reactive dye is to contain one or more active groups in molecule, under certain conditions can be with fiber
Hydroxyl, amino groups in the fibers such as element, protein chemically react, and dyestuff is made to form covalent bond with fiber and securely tie
It closes, so that the fastness to washing of dyestuff greatly improves.Britain's ICI Company has produced active group containing dichloro s-triazine first within 1956
Cotton reactive dye.Hereafter, the successive development and production in countries in the world go out various types of reactive dye.
In general reactive dye fixation process, needing to be added alkaline agent, (generally sodium carbonate is sometimes sodium hydroxide or carbon
Sour hydrogen sodium), be conducive to the completion of reaction.Dosage is generally 15~25g/L, and dye then reaches 30g/L when dark.
A large amount of alkaline sewage is generated after reactive dyeing, causes printing and dyeing mill's surrounding enviroment heavily contaminated, to week
The growth of side trees crops is all unfavorable.The presence of alkaline agent can also accelerate the hydrolysis of reactive dye, reduce the utilization rate of reactive dye, increase
Add the pollution level and processing difficulty of dyeing waste-water.
Summary of the invention
Technical problem to be solved by the invention is to provide a kind of reactive dye, can be under the conditions of alkali-free to cotton and viscose
Fiber, yarn and fabric carry out dyeing and stamp.Specifically, the present invention provides the compounds of following formula (I):
The compound synthesis method are as follows:
It using reactive brilliant orange K-R and niacin as raw material, reacts in water, reaction solution is by being added K2CO3Kept for 6.5,90 DEG C of pH
It is stirred to react 6 hours, NaCl is added into reaction solution, make NaCl concentration 100g/L in reaction solution, compound (I) salt precipitation goes out
Come, filtering, vacuum drying at 60 DEG C obtains compound (I).
Present invention reactive dye produced, containing niacin triazine reactive group, reactive group can in neutral conditions with
Hydroxyl on cellulose fibre reacts to form covalent bond, and substitution reaction anchors on fiber, has good dyeability, dyeing
Alkaline agent fixation is not added in process, is conducive to environmental protection and saves production cost.
Detailed description of the invention
Fig. 1 is dye structure schematic diagram of the invention.
Specific embodiment
Structure, the preparation method and application of reactive dye of the present invention are illustrated above, embodiment will be passed through below
To present invention work further instruction.
Embodiment 1:
Present embodiments provide the printing method to cotton fabric of formula (I) compound:
Compound (I) dosage 2%, 8% sodium alginate original paste dosage 50%, remaining is water.Manual table printing, decatize, washing,
It soaps, washes.
Embodiment 2:
Formula (I) compound is present embodiments provided to the colouring method of cotton fabric:
Compound (I) dosage 2.0% (o.w.f, to fabric weight), bath raio 1:50, room temperature enter dye, add anhydrous sodium sulphate 15g/L, 2 DEG C/
Min is warming up to 100 DEG C, keeps the temperature 60min, and dye finishes, and washing is soaped, and washes.
Claims (2)
1. a kind of reactive dye have the structure as shown in formula (I):
2. a kind of application of reactive dye as described in claim 1, it is characterised in that fine to cotton or viscose as reactive dye
Dimension, yarn or fabric carry out dyeing or stamp.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811540717.XA CN109705614A (en) | 2018-12-16 | 2018-12-16 | A kind of reactive dye |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811540717.XA CN109705614A (en) | 2018-12-16 | 2018-12-16 | A kind of reactive dye |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109705614A true CN109705614A (en) | 2019-05-03 |
Family
ID=66256714
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811540717.XA Pending CN109705614A (en) | 2018-12-16 | 2018-12-16 | A kind of reactive dye |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109705614A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4453945A (en) * | 1982-04-27 | 1984-06-12 | Nippon Kayaku Kabushiki Kaisha | Process for dyeing cellulose fibers of its union fibers with reactive triazinyl dye quaternized with nicotinic acid |
| JPS62199656A (en) * | 1986-02-28 | 1987-09-03 | Nippon Kayaku Co Ltd | Azo compound and dyeing using said compound |
| JPH0751683B2 (en) * | 1985-08-20 | 1995-06-05 | 住友化学工業株式会社 | Aqueous liquid composition of reactive dye |
-
2018
- 2018-12-16 CN CN201811540717.XA patent/CN109705614A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4453945A (en) * | 1982-04-27 | 1984-06-12 | Nippon Kayaku Kabushiki Kaisha | Process for dyeing cellulose fibers of its union fibers with reactive triazinyl dye quaternized with nicotinic acid |
| JPH0751683B2 (en) * | 1985-08-20 | 1995-06-05 | 住友化学工業株式会社 | Aqueous liquid composition of reactive dye |
| JPS62199656A (en) * | 1986-02-28 | 1987-09-03 | Nippon Kayaku Co Ltd | Azo compound and dyeing using said compound |
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Legal Events
| Date | Code | Title | Description |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20190503 |
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| WD01 | Invention patent application deemed withdrawn after publication |