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Sodium alga acid printing paste and preparation process thereof
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A technology of sodium alginate and printing paste, applied in the direction of dyeing, textile and papermaking, can solve the problems of easy formation of infiltration, rubbing and fading, and light color supply, so as to improve permeability, improve dyeing fastness, The effect of high tinting rate
Inactive Publication Date: 2012-08-15
青岛聚大洋藻业集团有限公司
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Abstract
Description
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Problems solved by technology
However, because the carboxyl group in sodium carboxymethyl starch is easy to combine with the active group in reactive dyes, it causes problems such as poor fastness, light color, easy to bleed when exposed to water, and rubbing and fading.
Method used
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Embodiment 1
[0014] (1) by 60% sodium alginate, 15% sodium hexametaphosphate, the ratio of 25% sodium sulfate anhydrous takes by weighing 60kg sodium alginate, 15kg sodium hexametaphosphate, 25kg sodium sulfate anhydrous;
[0015] (2) Sodium alginate is pulverized to 30 mesh;
[0017] (4) Continue to stir for 20 minutes until it is completely uniform. After passing the sampling inspection, the finished product of sodium alginate printing paste is obtained.
[0018] (5) Measure and pack according to requirements.
Embodiment 2
[0020] (1) Take by weighing 90kg sodium alginate, 5kg sodium hexametaphosphate, 5kg anhydrous sodium sulfate in the ratio of 90% sodium alginate, 5% sodium hexametaphosphate, and 5% anhydrous sodium sulfate;
[0022] (3) Sodium alginate after pulverization and sodium hexametaphosphate, anhydrous sodium sulfate are put into the mixing tank and fully stirred and mixed;
[0023] (4) Continue to stir for 60 minutes until it is completely uniform. After passing the sampling inspection, the finished product of sodium alginate printing paste is obtained.
[0024] (5) Measure and pack according to requirements.
Embodiment 3
[0026] (1) Take by weighing 70kg sodium alginate, 10kg sodium hexametaphosphate, 20kg anhydrous sodium sulfate in the ratio of 70% sodium alginate, 8% sodium hexametaphosphate, and 22% anhydrous sodium sulfate;
[0027] (2) Sodium alginate is pulverized to 35 mesh;
[0028] (3) Sodium alginate after pulverization and sodium hexametaphosphate, anhydrous sodium sulfate are put into the mixing tank and fully stirred and mixed;
[0029] (4) Continue to stir for 40 minutes until it is completely uniform. After passing the sampling inspection, the finished product of sodium alginate printing paste is obtained.
[0030] (5) Measure and pack according to requirements.
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Abstract
The invention relates to sodium alga acid printing paste, comprising the following components in percent by weight: 60-90% of sodium alga acid, 5-15% of sodium hexametaphosphate and 5-25% of anhydrous sodium sulphate. The preparation method of the sodium alga acid printing paste comprises the following steps of: (1) weighing sodium alga acid, sodium hexametaphosphate and anhydrous sodium sulphate in the proportion of a formula; (2) smashing the sodium alga acid to 30-40 meshes; (3) placing smashed sodium alga acid, sodium hexametaphosphate and anhydrous sodium sulphate into a mixing tank to be stirred; and (4) stirring to be completely uniform, thus the sodium alga acid printing paste finished product is obtained. The sodium alga acid printing paste disclosed by the invention has the beneficial effects that (1) sodium carboxymethyl starch having adverse effects on colouring is removed, and anhydrous sodium sulphate which can activate active groups in dye and has high colouring rate is adopted; and (2) sodium hexametaphosphate can cause calcium ions or magnesium ions in water to enter into sodium hexametaphosphate molecules to be changed into stable soluble complex, thus permeability of the printing paste is improved, colour fastness is improved, and the dye can be saved.
Description
technical field [0001] The invention belongs to a carrier for fabric printing and dyeing, in particular to a sodium alginate printing paste for printing and a preparation process thereof. Background technique [0002] Sodium alginate paste is an ideal paste in printing applications. Its biggest feature is that it does not react with dyes, and it is easy to transfer dyes from paste to fibers. The printed pattern is clear and the color yield is high. Feel good. Sodium alginate pulp is not only suitable for printing on cotton cloth, but also suitable for printing on wool, silk and synthetic fibers. [0003] Most of the current sodium alginate pulp is made of pure sodium alginate, which is mainly extracted from kelp, but in recent years, with the application of sodium alginate in the food industry and pharmaceutical industry, seaweed resources are becoming more and more scarce. The cost is obviously increased; in addition, the stability period of sodium alginate slurry is too ...
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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