CN103741511A - Reactive dye white discharge printing slurry and preparation method thereof - Google Patents

Abstract

The invention discloses reactive dye white discharge printing slurry and a preparation method thereof. The preparation method comprises the following steps: 1) preparing a neutralization liquid for use; 2) adding 215 parts by mass of water in a reaction kettle, heating to 60 DEG C, adding an ammonium persulfate water solution, heating while stirring to the temperature of 70 DEG C, simultaneously dropping the neutralization liquid and 65 parts by mass of 2-acryloylamino-2-methyl propanesulfonic acid, maintaining the temperature at 70 DEG C for completing the dropping within 90 minutes, and then dropping the ammonium persulfate water solution and completing the dropping within 45 minutes; 3) heating up to 95 DEG C, simultaneously dropping the ammonium persulfate water solution and a sodium bisulfite water solution; 4) cooling to 80 DEG C, dripping with the sodium bisulfite water solution and completing the dripping within 35 minutes; 5), cooling to 75 DEG C, while stirring, adding 130 parts by mass of potato starch, and maintaining the temperature for 60 minutes, and filtering to obtain a reactive dye white discharge printing slurry product. The reactive dye white discharge printing slurry prepared by the preparation method has strong penetrability, and is high in pattern outline definition, good in whiteness and free of environmental pollution in reactive dyeing color cloth white discharge printing.

Description

The preparation method of REACTIVE DYES white discharge slurry

Technical field

The present invention relates to the preparation method of REACTIVE DYES white discharge slurry.

Background technology

REACTIVE DYES white discharge is on the stained clot-h of REACTIVE DYES, by REACTIVE DYES white discharge, makes Printing have certain stereoeffect, improves value-added content of product.Now REACTIVE DYES white discharge slurry stamp, the main shortcoming that has following three aspects:: the one, these REACTIVE DYES white discharges are starched the weak effect of resistance to white discharging agent, add after white discharging agent easily thinningly, affect white discharge effect; The 2nd, easy imbibition during these REACTIVE DYES white discharge slurry stamps, makes the outline line of stamp part unintelligible, or oozes mutually with adjacent printing paste, destroys the effect of flower type; The 3rd, while making white discharging agent with rongalite or the solid woods of moral, in product, contain formaldehyde, environmental protection not, prints after washing process and increases, and wastes energy.

Summary of the invention

The object of the present invention is to provide a kind of preparation method of REACTIVE DYES white discharge slurry, it is strong that the REACTIVE DYES white discharge slurry that it is prepared has permeability, and in the white discharge of reactive dyeing cloth, pattern profile definition is high, and whiteness is good, environment friendly and pollution-free.

For achieving the above object, technical scheme of the present invention is the preparation method of a kind of REACTIVE DYES white discharge slurry of design, comprises the steps:

1) get 15-20 parts by mass acrylamide, 250-300 parts by mass water, 80-85 parts by mass acrylic acid, 40-45 parts by mass methacrylic acid, the ammonia neutralization that is 27% with 380-390 parts by mass mass percent concentration, obtains neutralizer stand-by;

2) in reactor, add 215 parts by mass water, be warming up to 60 ℃, add the ammonium persulfate aqueous solution that 5-6 parts by mass mass percent concentration is 15%, warming while stirring, temperature rises to 70 ℃, drips neutralizer and 65 parts by mass 2-acrylamide-2-methylpro panesulfonic acids simultaneously, maintain the temperature at 70 ℃, within 90 minutes, add, then drip the ammonium persulfate aqueous solution that 7-8 parts by mass mass percent concentration is 25%, within 45 minutes, add;

3) be warming up to 95 ℃, start to drip the aqueous solution of sodium bisulfite that ammonium persulfate aqueous solution that 80-85 parts by mass mass percent concentration is 15% and 10-12 parts by mass mass percent concentration are 1.3% simultaneously, within 65 minutes, add;

4) be cooled to 80 ℃, drip the aqueous solution of sodium bisulfite that 8-9 parts by mass mass percent concentration is 1.8%, within 35 minutes, add, be incubated 30 minutes;

5) be cooled to 75 ℃, add while stirring 130 parts by mass potato starches, be incubated 60 minutes, filter to obtain REACTIVE DYES white discharge slurry product.

Advantage of the present invention and beneficial effect are: the preparation method that a kind of REACTIVE DYES white discharge slurry is provided, it is strong that the REACTIVE DYES white discharge slurry that it is prepared has permeability, and in the white discharge of reactive dyeing cloth, pattern profile definition is high, whiteness is good, environment friendly and pollution-free.

The specific embodiment

Below in conjunction with embodiment, the specific embodiment of the present invention is further described.Following examples are only for technical scheme of the present invention is more clearly described, and can not limit the scope of the invention with this.

The concrete technical scheme of implementing of the present invention is:

Embodiment 1

A preparation method for REACTIVE DYES white discharge slurry, comprises the steps:

1) get 20 parts by mass acrylamides, 300 parts by mass water, 85 parts by mass acrylic acid, 45 parts by mass methacrylic acids, the ammonia neutralization that is 27% with 390 parts by mass mass percent concentrations, obtains neutralizer stand-by;

2) in reactor, add 215 parts by mass water, be warming up to 60 ℃, add the ammonium persulfate aqueous solution that 6 parts by mass mass percent concentrations are 15%, warming while stirring, temperature rises to 70 ℃, drips neutralizer and 65 parts by mass 2-acrylamide-2-methylpro panesulfonic acids simultaneously, maintain the temperature at 70 ℃, within 90 minutes, add, then drip the ammonium persulfate aqueous solution that 8 parts by mass mass percent concentrations are 25%, within 45 minutes, add;

3) be warming up to 95 ℃, start to drip the aqueous solution of sodium bisulfite that ammonium persulfate aqueous solution that 85 parts by mass mass percent concentrations are 15% and 12 parts by mass mass percent concentrations are 1.3% simultaneously, within 65 minutes, add;

4) be cooled to 80 ℃, the aqueous solution of sodium bisulfite that dropping 9 parts by mass mass percent concentrations are 1.8%, adds for 35 minutes, is incubated 30 minutes;

5) be cooled to 75 ℃, add while stirring 130 parts by mass potato starches, be incubated 60 minutes, filter to obtain REACTIVE DYES white discharge slurry product.

Embodiment 2

A preparation method for REACTIVE DYES white discharge slurry, comprises the steps:

1) get 15 parts by mass acrylamides, 250 parts by mass water, 80 parts by mass acrylic acid, 40 parts by mass methacrylic acids, the ammonia neutralization that is 27% with 380 parts by mass mass percent concentrations, obtains neutralizer stand-by;

2) in reactor, add 215 parts by mass water, be warming up to 60 ℃, add the ammonium persulfate aqueous solution that 5 parts by mass mass percent concentrations are 15%, warming while stirring, temperature rises to 70 ℃, drips neutralizer and 65 parts by mass 2-acrylamide-2-methylpro panesulfonic acids simultaneously, maintain the temperature at 70 ℃, within 90 minutes, add, then drip the ammonium persulfate aqueous solution that 7 parts by mass mass percent concentrations are 25%, within 45 minutes, add;

3) be warming up to 95 ℃, start to drip the aqueous solution of sodium bisulfite that ammonium persulfate aqueous solution that 80 parts by mass mass percent concentrations are 15% and 10 parts by mass mass percent concentrations are 1.3% simultaneously, within 65 minutes, add;

4) be cooled to 80 ℃, the aqueous solution of sodium bisulfite that dropping 8 parts by mass mass percent concentrations are 1.8%, adds for 35 minutes, is incubated 30 minutes;

5) be cooled to 75 ℃, add while stirring 130 parts by mass potato starches, be incubated 60 minutes, filter to obtain REACTIVE DYES white discharge slurry product.

Embodiment 3

A preparation method for REACTIVE DYES white discharge slurry, comprises the steps:

1) get 18 parts by mass acrylamides, 270 parts by mass water, 82 parts by mass acrylic acid, 43 parts by mass methacrylic acids, the ammonia neutralization that is 27% with 385 parts by mass mass percent concentrations, obtains neutralizer stand-by;

2) in reactor, add 215 parts by mass water, be warming up to 60 ℃, add the ammonium persulfate aqueous solution that 5.6 parts by mass mass percent concentrations are 15%, warming while stirring, temperature rises to 70 ℃, drips neutralizer and 65 parts by mass 2-acrylamide-2-methylpro panesulfonic acids simultaneously, maintain the temperature at 70 ℃, within 90 minutes, add, then drip the ammonium persulfate aqueous solution that 7.8 parts by mass mass percent concentrations are 25%, within 45 minutes, add;

3) be warming up to 95 ℃, start to drip the aqueous solution of sodium bisulfite that ammonium persulfate aqueous solution that 83 parts by mass mass percent concentrations are 15% and 11 parts by mass mass percent concentrations are 1.3% simultaneously, within 65 minutes, add;

4) be cooled to 80 ℃, the aqueous solution of sodium bisulfite that dropping 8.9 parts by mass mass percent concentrations are 1.8%, adds for 35 minutes, is incubated 30 minutes;

5) be cooled to 75 ℃, add while stirring 130 parts by mass potato starches, be incubated 60 minutes, filter to obtain REACTIVE DYES white discharge slurry product.

The above is only the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, do not departing under the prerequisite of the technology of the present invention principle; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.

Claims (1)

1. the preparation method of REACTIVE DYES white discharge slurry, is characterized in that, comprises the steps:

1) get 15-20 parts by mass acrylamide, 250-300 parts by mass water, 80-85 parts by mass acrylic acid, 40-45 parts by mass methacrylic acid, the ammonia neutralization that is 27% with 380-390 parts by mass mass percent concentration, obtains neutralizer stand-by;

2) in reactor, add 215 parts by mass water, be warming up to 60 ℃, add the ammonium persulfate aqueous solution that 5-6 parts by mass mass percent concentration is 15%, warming while stirring, temperature rises to 70 ℃, drips neutralizer and 65 parts by mass 2-acrylamide-2-methylpro panesulfonic acids simultaneously, maintain the temperature at 70 ℃, within 90 minutes, add, then drip the ammonium persulfate aqueous solution that 7-8 parts by mass mass percent concentration is 25%, within 45 minutes, add;

3) be warming up to 95 ℃, start to drip the aqueous solution of sodium bisulfite that ammonium persulfate aqueous solution that 80-85 parts by mass mass percent concentration is 15% and 10-12 parts by mass mass percent concentration are 1.3% simultaneously, within 65 minutes, add;

4) be cooled to 80 ℃, drip the aqueous solution of sodium bisulfite that 8-9 parts by mass mass percent concentration is 1.8%, within 35 minutes, add, be incubated 30 minutes;

5) be cooled to 75 ℃, add while stirring 130 parts by mass potato starches, be incubated 60 minutes, filter to obtain REACTIVE DYES white discharge slurry product.