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Synthesis technology of sodium bentonite composite material

A technology of sodium-based bentonite and synthesis process, which is applied in the field of chemical technology, can solve the problems of low production efficiency, complicated production process, and low separation efficiency, and achieve the effects of improving work efficiency, overcoming many processes, and improving utilization rate

Inactive Publication Date: 2016-06-01
赵建英
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In the current synthesis process of sodium-based bentonite composite materials, the process flow is not easy to implement, the separation efficiency is low, the recycling of raw materials cannot be realized, the production process is complicated, and the production efficiency is low.

Method used

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Experimental program
Comparison scheme
Effect test

Embodiment

[0013] The synthesis technique of the sodium bentonite composite material of the present embodiment comprises the following steps:

[0014] (1) Remove the organic matter and sandy matter of sodium bentonite;

[0015] (2) Put the sodium-based bentonite treated in step (1) into a beaker, add distilled water, and stir at a high speed to increase its viscosity, hydrate and disperse evenly, let it stand for a period of 5 hours, hydrate completely, and set aside;

[0016] (3) Add a certain amount of acrylamide into the three-necked flask, add a little distilled water, and stir;

[0017] (4) After completely dissolving, add sodium bentonite, 2-acrylamido-2-methylpropanesulfonic acid and cross-linking agent, and the weight of added sodium bentonite accounts for less than 20% of the total mass of the monomer; usually Enter N2, add initiator, continue high-speed stirring, constant temperature pre-reaction;

[0018] (5) Pour the reaction mixture into a specific mold, raise the temperat...

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PUM

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Abstract

The invention discloses a synthesis technology of a sodium bentonite composite material. The synthesis technology of the sodium bentonite composite super absorbent material comprises the following steps: purifying sodium bentonite; hydrating and dispersing the sodium bentonite; adding acrylamide to a three-neck flask; adding the sodium bentonite and 2-acrylamido-2-methylpropanesulfonic acid to the three-neck flask, and reacting the above materials to obtain the composite material. The technology allows the sodium bentonite composite super absorbent material to be successfully synthesized, and has the advantages of high synthesis rate and simple process; and the content of sodium bentonite in the synthesis technology is controlled, so the water absorption performance of the synthesized super absorbent material is improved.

Description

technical field [0001] The invention belongs to the field of chemical technology, and in particular relates to a synthesis process of a sodium-based bentonite composite material. Background technique [0002] The synthesis process of sodium-based bentonite composite materials at least includes basic processes such as saponification, precipitation, distillation, and stirring. In the current synthesis process of sodium-based bentonite composite materials, the process flow is not easy to implement, the separation efficiency is low, the recycling of raw materials cannot be realized, the production process is complicated, and the production efficiency is low. Contents of the invention [0003] In order to overcome the above-mentioned technical problems existing in the prior art field, the object of the present invention is to provide a synthesis process of a sodium-based bentonite composite material. The present invention not only has a simple manufacturing process, improve...

Claims

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Application Information

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IPC IPC(8): C08F220/56C08F220/58C08F2/44C08K9/00C08K3/34
Inventor 赵建英
Owner 赵建英