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Acrylon fluorescent dyeing method

A technology for fluorescent dyeing and fluorescent dyes, which is applied in the dyeing application field of cationic fluorescent dyes on acrylic fibers, can solve the problems such as the application report of textile fabric dyeing, and achieve good linear optical properties and nonlinear optical properties, good water solubility High efficiency and high productivity

Inactive Publication Date: 2009-05-06
SUZHOU LONGJIE SPECIAL FIBER
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Most research groups at home and abroad tend to apply styrene pyridinium salts to materials such as frequency up-conversion lasers, light amplitude limitation, fluorescent probes, and optical devices. However, it has not been seen that styrene pyridinium salts are used as fluorescent dyes in textiles. Fabric Dyeing Application Report

Method used

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  • Acrylon fluorescent dyeing method
  • Acrylon fluorescent dyeing method
  • Acrylon fluorescent dyeing method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0030]This embodiment will synthesize trans-4-[4'-(N, N-dihydroxyethylamino) styryl]-N-picoline iodonium salt (abbreviated as DHEASPI-C 1 ), used as a fluorescent dye for acrylic dyeing.

[0031] Step 1, synthesis of 4-N, N-diethanolamine benzaldehyde:

[0032] Weigh N, N-bishydroxyphenethylamine (0.15mol, 27.189g) and pyridine (0.45mol, 36.43mL) and acetic anhydride (0.45mol, 42.48mL) in a round bottom flask, under N 2 Under protection, reflux and stir the reaction for 5 hours. After the reaction, the solution is poured into ice water, purified with ethyl acetate, and anhydrous MgSO 4 After drying, N,N-diacetoxyphenethylamine was obtained. POCL 3 (0.0876mol, 9.06mL) was poured into the constant pressure funnel, and then 2 It was dropped into DMF (0.365mol, 31.63mL) in an ice-bath environment while stirring under protection. After the drop was completed, it was left at room temperature for 30min, and then N,N-diacetoxybenzene dissolved in a small amount of DMF (0.365mol, 3...

Embodiment 2

[0040] Synthesis of trans-4-[4'-(N, N-dihydroxyethylamino) styryl]-N-n-butyl pyridinium bromide (abbreviated as DHEASPBr-C 4 ) as a fluorescent dye for acrylic dyeing.

[0041] Step 1: According to the method provided in step 1 of Example 1, 4-N, N-diethanolamine benzaldehyde was synthesized.

[0042] Step 2: Dissolve 0.01mol (2.3g) of p-methyl-N-n-butylpyridinium bromide in 100mL of absolute ethanol in a flask, and then weigh 0.01mol (2.1g) of the above-mentioned 4-N,N-di Ethanolamine benzaldehyde was added thereto, a few drops of piperidine was added dropwise as a catalyst, and the reaction was stirred for one day at reflux temperature. After removing the solvent, the product was purified by silica gel column chromatography to obtain product-4-[4'-(N, N-dihydroxyethylamino) styryl]-N-n-butylpyridinium bromide (DHEASBr- C 4 ), the yield was 76%, and the decomposition temperature was 308.4°C. NMR 1 H NMR (DMSO-d 6 , 400MHz) δ: 8.72 (2H, Py-CH, d, J6.0Hz), 8.02 (2H, Py-CH...

Embodiment 3

[0050] Synthesis of trans-4-[4'-(N, N-dihydroxyethylamino) styryl]-N-n-octylpyridinium bromide (abbreviated as DHEASPBr-C 8 ) as a fluorescent dye for acrylic dyeing.

[0051] Step 1: According to the method provided in step 1 of Example 1, 4-N, N-diethanolamine benzaldehyde was synthesized.

[0052] Step 2: Dissolve 0.01mol (2.9g) of p-methyl-N-n-octylpyridinium bromide in 100mL of absolute ethanol in a flask, then weigh 0.01mol (2.1g) of the above-mentioned 4-N,N-di Ethanolamine benzaldehyde was added thereto, a few drops of piperidine was added dropwise as a catalyst, and the reaction was stirred for one day at reflux temperature. After removing the solvent, the product was purified by silica gel column chromatography to obtain the product-4-[4'-(N, N-dihydroxyethylamino) styryl]-N-n-octylpyridinium bromide (DHEASPBr- C 8 ). The yield is 69%, and the decomposition temperature is 298.0°C. NMR 1 H NMR (DMSO-d 6 , 400MHz) δ: 8.80 (2H, Py-CH, d, J6.9Hz), 8.08 (2H, Py-CH,...

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Abstract

The invention relates to a method for fluorescent staining of orlon, which belongs to the field of dye synthesis and textile dyeing. Stilbazole salt is taken as a cation fluorescent dye, 0.2 and 2.5 percent owf fluorescent dye, 0.5g / L Peregal 0, a 1.0 percent owf leveling agent and 4g / L glauber salt are mixed to prepare a dye solution, acetic acid and a sodium acetate buffer solution are used to adjust the pH value of the dye solution to 5, and the dyeing processing with the dyeing bath ratio of 100 to 1 is performed to obtain a fluorescent orlon fabric. The stilbazole salt provided by the method has simple synthesis reaction, has relative flexibility in molecular design and assembly, and also has good linear optical performance and non-linear optical performance; and under specific dye bath concentration, the dyed orlon fabric satisfies the coordinate range of orange color stipulated in European EN471 standard High-visibility Warning Clothing for Professional Use-Test Methods (2003).

Description

technical field [0001] The invention relates to the dyeing application of a cationic fluorescent dye on acrylic fiber, in particular to the dyeing application of a styrene pyridinium salt derivative as a cationic dye on acrylic fiber, and belongs to the fields of dye synthesis and textile dyeing. Background technique [0002] The visual effect of fluorescent dyes includes both the color produced after selective absorption of visible light and the fluorescence emitted by them. It is a functional dye, which not only has the coloring properties of conventional dyes, but also emits fluorescence, which improves the saturation and vividness of fabrics. The earliest fluorescent dyes used in textiles are rhodin red and its derivatives, which can be used in the dyeing of silk, polyester, nylon, acrylic and other textile fibers to obtain brightly colored fabrics. At present, most of the fluorescent dyes for textiles on the market are disperse dyes, which are mainly used to dye polyes...

Claims

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Application Information

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IPC IPC(8): D06P3/70D06P1/00C09B23/14C09K11/06
Inventor 秦传香陈国强唐人成王筱梅
Owner SUZHOU LONGJIE SPECIAL FIBER
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