CN102260415A - Low-salt dye for dyeing - Google Patents
Low-salt dye for dyeing Download PDFInfo
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- CN102260415A CN102260415A CN2010101829165A CN201010182916A CN102260415A CN 102260415 A CN102260415 A CN 102260415A CN 2010101829165 A CN2010101829165 A CN 2010101829165A CN 201010182916 A CN201010182916 A CN 201010182916A CN 102260415 A CN102260415 A CN 102260415A
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Abstract
The invention relates to a low-salt dye for dyeing. The invention is characterized in that the active dye molecules are employed, a reactive dye molecule structure comprises two main parts of a dye matrix and an active group, at least one part of the active group is connected with the dye matrix through a bridge foundation and is capable of directly performing a chemical reaction with fiber to form a stable covalent bond; the dye matrix is composed of a chromophoric structure and a water-soluble group; at least one active group which is capable of performing a chemical reaction with cellulose or hydroxyl, amino group in fiber of protein and making dye and fiber to form the covalent bond is contained in the reactive dye molecules. So that, the low-salt dye is capable of reducing the salt dosage, raising the economical efficiency of the dyeing process and substantially mitigating the strength of the dyeing work, because the salt dosage is minimized, the level-dyeing property of dyeing can be enhanced as well as the environmental pollution can be avoided.
Description
Technical field
The present invention relates to a kind of dye, relate in particular to a kind of low salt dyeing dyestuff.
Background technology
There has been history in several thousand in the painted China that is applied in, is widely used in various apparel industries at present.Aspect dyeing except the new dyeing auxiliary of development of new dyestuff, dyeing installation and application, be necessary improving aspect staining technique and the production control, as selecting the high reactive dyestuffs of fiber affinity, formulating suitable low salt dyeing technology, reduce the salt consumption in producing and improve dye uptake and degree of fixation, minimizing environmental pollution.
Summary of the invention
Purpose of the present invention is exactly in order to solve the above-mentioned problems in the prior art, and a kind of low salt dyeing dyestuff is provided.
Purpose of the present invention is achieved through the following technical solutions:
The low salt dyeing dyestuff, it is characterized in that: adopt reactive dyestuff molecule, the reactive dyestuff molecule structure comprises dye matrix and two chief components of active group, has at least a part of active group to be connected with dye matrix by abutment, can be directly and fiber generation chemical reaction form stable covalent linkage; Described dye matrix is made up of chromonic structures and water soluble group; At least contain one in the reactive dyestuff molecule and can form covalent linkage and the active group of mortise with the hydroxyl in Mierocrystalline cellulose or the proteinic fiber, the make dyestuff and the fiber of amino group generation chemical reaction under certain condition.
Above-mentioned low salt dyeing dyestuff, wherein: described chromonic structures is azo, anthraquinone.
Further, above-mentioned low salt dyeing dyestuff, wherein: the chemical structure of general formula of described reactive dyestuffs is S-D-B-Re, wherein, D is dyestuff color development system or claims dye matrix; B connects base or claims abutment; Re is active group or claims reactive group; S is a water soluble group.
Further, above-mentioned low salt dyeing dyestuff, wherein: described certain condition be temperature at 60～120 degrees centigrade, 20～45 minutes reaction times.
The advantage of technical solution of the present invention is mainly reflected in: the economy that can improve dyeing course when reducing with the salt amount, alleviated painted working strength greatly, owing to reduced the salt amount of using, uniform dyeing property also there has been raising, avoided pollution simultaneously to environment.
Purpose of the present invention, advantage and characteristics will make an explanation by the non-limitative illustration of following preferred embodiment.These embodiment only are the prominent examples of using technical solution of the present invention, and all technical schemes of taking to be equal to replacement or equivalent transformation and forming all drop within the scope of protection of present invention.
Embodiment
The low salt dyeing dyestuff, its unusual part is: adopt reactive dyestuff molecule, the reactive dyestuff molecule structure comprises dye matrix and two chief components of active group, have at least a part of active group to be connected with dye matrix by abutment, can be directly and fiber generation chemical reaction form stable covalent linkage.And described dye matrix is made up of chromonic structures and water soluble group.Simultaneously, at least contain one in the reactive dyestuff molecule under certain condition, can this condition specifically be said down and can form covalent linkage and the active group of mortise with the hydroxyl in Mierocrystalline cellulose or the proteinic fiber, the make dyestuff and the fiber of amino group generation chemical reaction.Consider the successfully preparation fast of active group, reactive dyestuff molecule can be in temperature at 60～120 degrees centigrade, under the condition in 20～45 minutes reaction times with Mierocrystalline cellulose or proteinic fiber in hydroxyl, amino group generation chemical reaction.
Thereby, can improve the fastness to washing of dyestuff greatly.What is more important can reduce the consumption of salt.
Further combined with the present invention's one preferred implementation, described chromonic structures is azo, anthraquinone.And the chemical structure of general formula of described reactive dyestuffs is S-D-B-Re, wherein: D-dyestuff color development system or title dye matrix; B-connects base or claims abutment; Re-active group or title reactive group; The S-water soluble group.
Specifically, because dye matrix adopts chromonic structures and water soluble group compositions such as azo, anthraquinone, therefore can be generally similar to matching stain, reactive dyestuffs are had than chromatic colour, good water-solubility and level-dyeing property.Simultaneously, these reactive dyestuffs are different from the dyestuff of other types, have in the molecular structure of this class dyestuff can react, form the active group of covalent bonds with some group of fiber or become reactive group.
Active group mainly influences the reactivity of dyestuff and the stability of dyestuff-fiber key, and it and degree of fixation height also have much relations.In conjunction with active group, the active group of this low salt dyeing dyestuff overwhelming majority dyestuff links to each other with dye matrix by connecting base thus.Also some active group directly is connected on the dye matrix simultaneously.And from parent and active group relation, both are an integral body on chemical structure, hinder mutual restriction on the performance, are indivisible two parts of reactive dyestuffs.The variation of certain part all will cause the various performances of dyestuff to change in the structure.
By above-mentioned character express as can be seen, behind employing the present invention, can when reducing, improve the economy of dyeing course with the salt amount, alleviated painted working strength greatly, owing to reduced the salt amount of using, uniform dyeing property also there has been raising, avoided pollution simultaneously to environment.
Claims (4)
1. low salt dyeing dyestuff, it is characterized in that: adopt reactive dyestuff molecule, the reactive dyestuff molecule structure comprises dye matrix and two chief components of active group, have at least a part of active group to be connected with dye matrix by abutment, can be directly and fiber generation chemical reaction form stable covalent linkage; Described dye matrix is made up of chromonic structures and water soluble group; At least contain one in the reactive dyestuff molecule under certain condition, can form covalent linkage and the active group of mortise with the hydroxyl in Mierocrystalline cellulose or the proteinic fiber, the make dyestuff and the fiber of amino group generation chemical reaction.
2. low salt dyeing dyestuff according to claim 1 is characterized in that: described chromonic structures is azo, anthraquinone.
3. low salt dyeing dyestuff according to claim 1 is characterized in that: the chemical structure of general formula of described reactive dyestuffs is S-D-B-Re, and wherein, D is a dye matrix; B is an abutment; Re is an active group; S is a water soluble group.
4. low salt dyeing dyestuff according to claim 1 is characterized in that: described certain condition be temperature at 60～120 degrees centigrade, 20～45 minutes reaction times.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101829165A CN102260415A (en) | 2010-05-26 | 2010-05-26 | Low-salt dye for dyeing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101829165A CN102260415A (en) | 2010-05-26 | 2010-05-26 | Low-salt dye for dyeing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102260415A true CN102260415A (en) | 2011-11-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010101829165A Pending CN102260415A (en) | 2010-05-26 | 2010-05-26 | Low-salt dye for dyeing |
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| CN (1) | CN102260415A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1644594A1 (en) * | 1965-08-23 | 1971-05-06 | Bayer Ag | Anthraquinone reactive dyes and process for their preparation |
| US4261889A (en) * | 1974-12-18 | 1981-04-14 | Ciba-Geigy Corp. | Reactive dyestuffs, their manufacture and use |
| US5149791A (en) * | 1989-11-01 | 1992-09-22 | Ciba-Geigy Corporation | Chlorotriazine reactive dyes having a 4-methoxy-2-sulfoaniline diazo component and 2-amino-5-naphthol-7-sulfonic acid coupling component |
| US5801230A (en) * | 1995-05-31 | 1998-09-01 | Bayer Aktiengesellschaft | Polyfunctional azo reactive dyestuffs |
| CN1066177C (en) * | 1994-10-13 | 2001-05-23 | 希巴特殊化学控股公司 | Active dye and preparation method and usage thereof |
-
2010
- 2010-05-26 CN CN2010101829165A patent/CN102260415A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1644594A1 (en) * | 1965-08-23 | 1971-05-06 | Bayer Ag | Anthraquinone reactive dyes and process for their preparation |
| US4261889A (en) * | 1974-12-18 | 1981-04-14 | Ciba-Geigy Corp. | Reactive dyestuffs, their manufacture and use |
| CH628669A5 (en) * | 1974-12-18 | 1982-03-15 | Ciba Geigy Ag | METHOD FOR PRODUCING REACTIVE DYES. |
| US5149791A (en) * | 1989-11-01 | 1992-09-22 | Ciba-Geigy Corporation | Chlorotriazine reactive dyes having a 4-methoxy-2-sulfoaniline diazo component and 2-amino-5-naphthol-7-sulfonic acid coupling component |
| CN1066177C (en) * | 1994-10-13 | 2001-05-23 | 希巴特殊化学控股公司 | Active dye and preparation method and usage thereof |
| US5801230A (en) * | 1995-05-31 | 1998-09-01 | Bayer Aktiengesellschaft | Polyfunctional azo reactive dyestuffs |
Non-Patent Citations (1)
| Title |
|---|
| 何瑾馨: "《染料化学》", 31 January 2009, article "第十一章 活性染料" * |
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Application publication date: 20111130 |