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Composite chelating dispersant

A technology of chelating dispersant and solvent, which is applied in the field of chelating dispersant, which can solve the problems of weak ability to chelate calcium and magnesium ions, eutrophication of water body, poor dispersing ability, etc., and achieve low price, good synergy and low production cost low effect

Inactive Publication Date: 2017-03-29
WEIHAI YUNRUI INFORMATION TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] Hydroxycarboxylates: tartrate, sodium gluconate, heptonate, sodium alginate, etc., have strong ability to chelate iron ions and good biodegradability, but weak ability to chelate calcium and magnesium ions, and poor dispersion ability Poor, mostly used as auxiliary components of chelating dispersants;
[0008] Organic phosphonates: such as ethylenediamine tetramethylene phosphonate, diethylene triamine penta methylene phosphonate, amine trimethylene phosphonate, etc., the chelating ability of this kind of chelating agent is better than that of EDTA and phosphate Strong, metal ions are not easy to dissociate after being chelated, and have good chemical resistance and chemical stability, and are easy to biodegrade, but it will cause eutrophication of water bodies and eventually lead to deterioration of water quality

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0022] Example 1. Maleic acid-acrylic acid copolymer 5g, sodium triacetate 20g, sodium alginate 20g, chitosan 28g, triethanolamine 12g, water 1L, prepared according to the preparation method described in the technical scheme section.

Embodiment 2

[0023] Example 2. 10g of maleic acid-acrylic acid copolymer, 8g of sodium triacetate, 30g of sodium alginate, 16g of chitosan, 26g of triethanolamine, 1L of water, prepared according to the preparation method described in the technical solution section.

Embodiment 3

[0024] Example 3. Maleic acid-acrylic acid copolymer 6g, sodium triacetate 18g, sodium alginate 22g, chitosan 26g, triethanolamine 15g, water 1L, prepared according to the preparation method described in the technical scheme section.

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PUM

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Abstract

The invention relates to a composite chelating dispersant and belongs to the technical field of dyeing and finishing of textiles. The composite chelating dispersant comprises 6 to 9g / L of a maleic acid-acrylic acid copolymer, 10 to 18g / L of sodium triacetate, 22 to 28g / L of sodium alginate, 18 to 26g / L of chitosan, 15 to 25g / L of triethanolamine, and water as a solvent. The composite chelating dispersant is an environmentally friendly composite chelating dispersant.

Description

Technical field [0001] The invention relates to a chelating dispersant, belonging to the technical field of textile dyeing and finishing. Background technique [0002] The dyeing and finishing of textiles are mostly carried out in water. Metal ions such as calcium ion, magnesium ion, copper ion, iron ion, manganese ion and zinc ion in the water are prone to form insoluble metal salts and deposit on fabrics and equipment, which not only affects product quality, but also Easy to cause equipment scaling. In actual production, in order to ensure product quality, chelating dispersants are generally added in the pretreatment and dyeing of the dyeing and finishing industry. There are many organic groups that can form chelate. Commonly used groups are -OH, -COOH, -SH, -PO3H, -SO3H and so on. [0003] At present, the main chelating dispersants used in the dyeing and finishing industry are: [0004] Inorganic chelating dispersing agent: mainly phosphates, such as sodium tripolyphosphate, so...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): D06P1/46D06P1/52D06P1/645D06P1/653
CPCD06P1/5257D06P1/46D06P1/645D06P1/6533
Inventor 孙爱梅
Owner WEIHAI YUNRUI INFORMATION TECH CO LTD