Disperse dye composition as well as preparation method and application thereof
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A technology of disperse dyes and compositions, applied in dyeing methods, azo dyes, organic dyes, etc., can solve the problems of sludge and parts that are not environmentally friendly, different content of harmful substances in textiles, and carcinogenicity.
Active Publication Date: 2017-06-13
ZHEJIANG RUNTU INST +1
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[0002] Although environmentally friendly dyes have restrictions on the content of harmful substances to the human body, most of them only control the environmental protection of textile fabrics, that is, to measure the dyes on textile fabrics and control the content of harmful substances. The high content of harmful substances in the products has caused the sewage and sludge of the printing and dyeing factory to seriously exceed the environmental protection requirements and affect the ecological environment
At the same time, due to different textile printing and dyeing processes, or differ
Method used
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
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[0048] Preparation Example 1:
[0049] (1) The 3,4-dichloroaniline is heated and distilled in the hydrogen chloride solution to obtain the 3,4-dichloroaniline hydrochloride solution, which is then thioureaified with ammonium thiocyanate, and the ring is closed under the condition of concentrated sulfuric acid to obtain 2- Amino-5,6(6,7)-dichlorobenzothiazole in sulfuric acid solution;
[0050] (2) Add nitrosyl sulfuric acid to the sulfuric acid solution of 2-amino-5,6(6,7)-dichlorobenzothiazole, keep the temperature at 35°C and stir for 1 hour, add dropwise to sulfuric acid acidity of 46%, and the temperature is Diazotization reaction in dilute acid at -5~-2℃, dripping time for 5 hours, heat preservation after dripping for 2 hours, to obtain diazonium component;
[0051] (3) Add water, sulfuric acid and flat addition to the coupling kettle, add the coupling component N-ethyl-N-cyanoethyl meta-toluidine, stir for 30 minutes, add ice and isooctyl alcohol, and control the temperature a...
Example Embodiment
[0052] Preparation example 2-5:
[0053] The method of Preparation Example 1 was adopted, except that the coupling component N-cyanoethyl-N-acetoxyethylaniline in Preparation Example 1 was replaced with the coupling component shown in Table 1.
[0054] Table 1
[0055]
[0056] Component A contained in the products (I-2)-(I-5) sequentially obtained in Preparation Example 2-5 are the compounds of formula (1-2)-(1-5).
Example Embodiment
[0063] Example 1
[0064] 100 grams of product (I-1), 100 grams of dispersant MF, 95 grams of lignin 85A, 440 grams of water are added and 440 grams of water are added to the mixture, and the mixture is thoroughly stirred, then ground with a sand mill, and then spray-dried to obtain a disperse dye composition.
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
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Abstract
The invention discloses a disperse dye composition as well as a preparation method and application thereof. The disperse dye composition contains a component A, a prohibited aromatic amine compound, chloridized phenol, chlorobenzene and chlorotoluene, optional auxiliaries and other inevitable impurities, wherein the component A contains one or more compounds of formula (1) as shown in the specification. Various environment-friendly indexes meet the requirements of Bluesign, in addition, the single contents of the prohibited aromatic amine compound (AZO), the chloridized phenol (CPs) and the chlorobenzene and chlorotoluene (COCs) and the total content of the chlorobenzene and chlorotoluene in the chemical product of the disperse dye composition are low. In addition, after being dyed, a fabric can meet infant-grade requirements of Oeko-Tex Standard 100 (2016). Sewage generated after dyeing can also meet environment-friendly requirements, and meanwhile, the disperse dye composition can be relatively convenient, rapid and safe to use.
Description
technical field [0001] The invention relates to a disperse dye composition and its preparation method and application. The disperse dye composition is suitable for dyeing and printing of polyester and its blended fabrics. Background technique [0002] Although environmentally friendly dyes have restrictions on the content of harmful substances to the human body, most of them only control the environmental protection of textile fabrics, that is, to measure the dyes on textile fabrics and control the content of harmful substances. Therefore, there are still dyes used in dyeing. The high content of harmful substances in the products has caused the sewage and sludge of the printing and dyeing factory to seriously exceed the environmental protection requirements and affect the ecological environment. At the same time, due to different textile printing and dyeing processes, or different amounts of dyes, the content of harmful substances in textiles is also different. In this way,...
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the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
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