A kind of high-efficiency environment-friendly acidic soaping agent and preparation method thereof

A kind of soaping agent and environment-friendly technology, which is applied in the field of high-efficiency and environment-friendly acid soaping agent and its preparation, can solve environmental eutrophication and other problems, achieve water saving, increase color fastness, and ensure color fastness and brightness Effect

Active Publication Date: 2021-01-26
山东京博众诚清洁能源有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] In order to solve the above-mentioned technical problems, the present invention provides a high-efficiency and environment-friendly acidic soaping agent, which has a better effect of removing floating colors, ensures the color fastness and brightness of fabrics, and does not contain nitrogen and phosphorus in the soaping agent components. It solves the problem of eutrophication in the environment; it has strong acidity, which can reduce the acid neutralization process before conventional soaping, reduce the pressure of wastewater discharge, and save manpower and electricity costs

Method used

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  • A kind of high-efficiency environment-friendly acidic soaping agent and preparation method thereof
  • A kind of high-efficiency environment-friendly acidic soaping agent and preparation method thereof
  • A kind of high-efficiency environment-friendly acidic soaping agent and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0030] Carboxyethylthiosuccinic acid: take by weighing 107.8g (1.10mol) maleic anhydride and dissolve in 300g water, heat to 90°C, add 108.16g of 3-mercaptopropionic acid with a mass fraction of 98% dropwise with a constant pressure funnel, The dropping time is controlled at 1h, after stirring evenly, add maleic anhydride and 3-mercaptopropionic acid with 10% triethylamine, react at a constant temperature of 90°C for 3h, then cool and crystallize, filter to obtain a white solid, and dry it in an oven to obtain carboxyl Ethylthiosuccinic acid, the yield is 97%;

[0031] Complexing agent: Weigh 261g (1.0mol) of 2,3-dithio(2-mercapto)-1-propanethiol into a three-necked flask equipped with a stirring paddle, heat to 55°C in a water bath, and add 62g in 3 times (2.0mol) sulfur solid, reacted for 1h under stirring conditions, after the reaction was completed, cooled to room temperature to obtain a transparent liquid, filtered to obtain a liquid product, weighed, and the yield was 85...

Embodiment 2

[0034] Carboxyethylthiosuccinic acid: Weigh 102.96g (1.05mol) of maleic anhydride and dissolve it in 300g of water, heat to 90°C, add 108.16g of 98% 3-mercaptopropionic acid dropwise with a constant pressure funnel, and the dropping time Controlled at 1h, after stirring evenly, add maleic anhydride and 3-mercaptopropionic acid resin catalyst SepliteLSZ-106 with 10% of the total mass, react at a constant temperature of 90°C for 3h, then cool and crystallize, filter to obtain a white solid, and dry it in an oven to obtain Carboxyethylthiosuccinic acid, yield 96%;

[0035] Complexing agent: Weigh 261g (1.0mol) of 2,3-dithio(2-mercapto)-1-propanethiol into a three-necked flask equipped with a stirring paddle, heat to 60°C in a water bath, and add 48g in 5 times (1.5mol) sulfur solid, reacted for 2h under stirring conditions, after the reaction was completed, lowered to room temperature to obtain a transparent liquid, filtered to obtain a liquid product, weighed, and the yield was ...

Embodiment 3

[0038] Carboxyethylthiosuccinic acid: Weigh 102.96g (1.05mol) of maleic anhydride and dissolve it in 300g of water, heat to 90°C, add 108.16g of 98% 3-mercaptopropionic acid dropwise with a constant pressure funnel, and the dropping time Control it for 1 hour, after stirring evenly, add SepliteLSZ-106S with 10% of the total mass of maleic anhydride and 3-mercaptopropionic acid, react at a constant temperature of 90°C for 3 hours, then cool and crystallize, filter to obtain a white solid, and dry it in an oven to obtain carboxyethyl Thiosuccinic acid, yield 96%;

[0039] Complexing agent: Weigh 261g (1.0mol) of 2,3-dithio(2-mercapto)-1-propanethiol into a three-necked flask equipped with a stirring paddle, heat to 60°C in a water bath, and add 48g in 4 times (1.5mol) sulfur solid, reacted under stirring conditions for 3h, after the reaction was completed, lowered to room temperature to obtain a transparent liquid, filtered to obtain a liquid product, weighed, and the yield was ...

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Abstract

The invention belongs to the field of fine chemicals, and specifically relates to an environment-friendly acidic soaping agent and a preparation method thereof. The soaping agent comprises the following components in parts by mass: 10-30 parts of carboxyethylthiosuccinic acid, acrylic acid- 30-50 parts of 2‑acrylamide‑2 methylpropanesulfonic acid (AA / AMPS) copolymer, 20‑50 parts of sodium gluconate, 5‑10 parts of hydrolyzed polymaleic anhydride, 0.1‑2 parts of surfactant, Mixture 0.5-10 parts, water 30-50 parts. The invention acts on cotton and its blended fabrics after being dyed with reactive dyes to remove floating colors better, ensuring the color fastness and brightness of the fabrics; and the soaping agent component does not contain nitrogen and phosphorus, has strong acidity, and can It reduces the acid neutralization process before conventional soaping, reduces the pressure of wastewater discharge, saves manpower and electricity costs, and has a good market advantage.

Description

technical field [0001] The invention belongs to the field of fine chemicals, and in particular relates to an efficient and environment-friendly acid soaping agent and a preparation method thereof. Background technique [0002] A common problem in the textile dyeing and finishing industry is the problem of incomplete dyeing and low color fastness of subsequent fabrics during the dyeing and color fixing process. Therefore, after dyeing, the fabric needs to be washed with a large amount of water and soaped to remove floating colors. , Improve the color fastness of the fabric to meet the needs of customers. [0003] Traditional soaping agents mostly use phosphorus and nitrogen-containing substances, which cause serious eutrophication to the environment; conventional soaping processes mainly use neutral soaping agents, and a large amount of water washing and pickling must be selected before soaping to reduce the concentration of the working fluid in the soaping process. PH, to r...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C11D1/62C11D3/60C11D3/37C11D3/20C11D3/34C11D1/68C07C319/14C07C321/14D06P5/04D06P5/08D06P5/10D06P3/66
CPCC07C319/14C11D1/62C11D1/66C11D3/2082C11D3/2086C11D3/3427C11D3/3765C11D3/3773D06P3/66D06P5/04D06P5/08D06P5/10C07C321/14
Inventor 邢莹莹曹飞羽孔凡波刘洋张建林马韵升
Owner 山东京博众诚清洁能源有限公司
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