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Preparation method of sodium alginate printing gum for pure cotton knitted fabric

A technology of sodium alginate and printing paste, which is applied in dyeing, textiles and papermaking, etc. It can solve the problems of low printing penetration rate, not bright enough color, and easy hydrolysis, so as to improve the penetration rate and reduce sewage treatment cost, the effect of increased dispersion

Inactive Publication Date: 2019-05-24
江苏明月海洋生物科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] When the common sodium alginate printing paste is used to print pure cotton knitted fabrics, especially when printing on large pieces, it will often have low penetration rate, uneven printing, not bright enough color and even blockage, and it is not easy to store. prone to hydrolysis
[0004] Therefore, there is an urgent need for a new type of sodium alginate printing paste to improve the low penetration rate of the product, uneven printing and easy hydrolysis

Method used

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  • Preparation method of sodium alginate printing gum for pure cotton knitted fabric

Examples

Experimental program
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Effect test

Embodiment 1

[0027] (1) select the Ascophyllum nodosum whose M / G ratio is 1.5-3.0, and irradiate for 2 hours with the energy of gamma rays produced by the radioactive isotope (Co-60), and the soaking time is 8 hours;

[0028] (2) adding sodium carbonate to Ascophyllum nodosum for digestion reaction, wherein, 75kg of Ascophyllum nodosum, 25kg of sodium carbonate, the digestion reaction temperature is 50°C, and the reaction time is 8h;

[0029] (3) After the digestion reaction, add water to dilute to obtain the glue, the dilution factor is 40, and the dilution time is 90s;

[0030] (4) separate and filter after dilution, then add calcium chloride solution for calcium precipitation, add hydrochloric acid after calcium precipitation for decalcification, squeeze and dehydrate to obtain alginic acid, and the moisture content of alginic acid after dehydration is 70%;

[0031] (5) In the stirring tank, add 85kg of alginic acid after dehydration and 2kg of sodium hexametaphosphate, then add 13kg of...

Embodiment 2

[0036] A method for preparing a sodium alginate printing paste for pure cotton knitted fabrics, the preparation steps comprising:

[0037] (1) choose the dried sea-tangle that M / G ratio is 1.5-3.0, irradiate 3 hours by the energy of the gamma ray that radioactive isotope (Co-60) produces, soaking time is 4h;

[0038] (2) add sodium carbonate to dry sea-tangle and carry out digestion reaction, wherein dry sea-tangle 80kg, sodium carbonate 30kg, digestion reaction temperature is 40 ℃, and reaction time is 5h;

[0039] (3) After the digestion reaction, add water to dilute to obtain the glue, the dilution factor is 30, and the dilution time is 100s;

[0040] (4) separate and filter after dilution, then add calcium chloride solution for calcium precipitation, add hydrochloric acid after calcium precipitation for decalcification, squeeze and dehydrate to obtain alginic acid, and the moisture content of alginic acid after dehydration is 65%;

[0041] (5) In the stirring tank, add 85...

Embodiment 3

[0046] A method for preparing a sodium alginate printing paste for pure cotton knitted fabrics, the preparation steps comprising:

[0047] (1) Select macroalgae with an M / G ratio of 1.5-3.0, irradiate for 4 hours with the energy of gamma rays produced by radioactive isotopes (Co-60), and soak for 24 hours;

[0048] (2) add sodium carbonate to dry sea-tangle and carry out digestion reaction, wherein dry sea-tangle 80kg, sodium carbonate 30kg, digestion reaction temperature is 40 ℃, and reaction time is 5h;

[0049] (3) Dilute with water after the digestion reaction to obtain the glue, the dilution factor is 20, and the dilution time is 80s;

[0050] (4) separate and filter after dilution, then add calcium chloride solution for calcium precipitation, add hydrochloric acid after calcium precipitation for decalcification, squeeze and dehydrate to obtain alginic acid, and the moisture content of alginic acid after dehydration is 68%;

[0051] (5) In the stirring tank, add 85kg of ...

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Abstract

The invention discloses a preparation method of sodium alginate printing gum for pure cotton knitted fabric, and relates to the technical field of printing gum. The preparation method comprises the following steps: irradiating, adding water and soaking, washing, digesting, diluting, filtering, calcifying, decalcifying, and dehydrating to obtain alginic acid, adding sodium hexametaphosphate to thealginic acid, and adding sodium carbonate, performing a solid-phase neutralization reaction to obtain sodium alginate, pelletizing, drying, smashing, adding an auxiliary material, mixing and finally packaging to obtain a finished product. The printing gum prepared by the method is capable of improving uniformity of the product, improving product storage time and a product dye penetration percentage, and enabling dye to be uniformly dyed on cloth, uniform in printing color, clear in outthread, and bright in color, and reducing production cost.

Description

technical field [0001] The invention relates to the technical field of printing pastes, in particular to a method for preparing sodium alginate printing pastes for pure cotton knitted fabrics. Background technique [0002] At present, with the development of society, the development of pure cotton knitted fabrics with the characteristics of soft texture, moisture absorption, breathability, perspiration and warmth is getting faster and faster. Since the pure cotton knitted fabric has good elasticity, it is difficult to achieve all-round excellent properties such as good paste removal, bright colors, and uniform printing during printing. At this time, a paste with comprehensive performance is required for printing. [0003] When the common sodium alginate printing paste is used to print pure cotton knitted fabrics, especially when printing on large pieces, it will often have low penetration rate, uneven printing, not bright enough color and even blockage, and it is not easy to...

Claims

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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Application Information

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IPC IPC(8): D06P1/48D06P1/642D06P1/651D06P1/673C08B37/04
Inventor 周达张宗亮张强刘蕴慧郇路恒
Owner 江苏明月海洋生物科技有限公司
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