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Sulfonated polyaniline modified sodium bentonite resistance-reducing agent

A technology of sodium bentonite and sulfonated polyaniline is applied in the field of sulfonated polyaniline modified sodium bentonite-based drag reducer and high-efficiency physical drag reducer, and can solve the problems of poor water retention, easy to fail, containing toxic and harmful substances, etc. , to reduce the grounding resistance, slow down the corrosion rate, and expand the scope of application

Active Publication Date: 2016-11-02
NANCHANG HANGKONG UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] The purpose of the present invention is to propose a sulfonated polymer with good drag-reducing effect and good anti-corrosion performance, aiming at the disadvantages of drag-reducing agent such as poor drag-reducing effect, poor anti-corrosion effect, easy failure under acidic conditions, containing toxic and harmful substances and poor water retention. Aniline modified sodium bentonite based drag reducer

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0021] (1) Add 20 parts of sodium bentonite, 8 parts of ammonium chloride, 10 parts of aniline, 10 parts of m-aminobenzenesulfonic acid, 2 parts of sodium polyphosphate, and 2 parts of sodium benzoate into water, and stir to obtain a mixed solution; press Mass meter, wherein the ratio of the addition of water and sodium bentonite is 2:3;

[0022] (2) After the mixed solution of step (1) was allowed to stand for 15 minutes, 10 parts of ammonium persulfate were added, stirred and reacted for 30 minutes and then allowed to stand for 14 hours;

[0023] (3) In the reaction product of step (2), add 5 parts of calcium oxide, 2 parts of carbon fiber, 5 parts of carbon black, 1 part of zinc powder, 1 part of aluminum powder, and mix uniformly;

[0024] (4) In the reaction mixture of step (3), continue to add 23 parts of cement and 1 part of retarder, adjust the water content to the range of 15% to 50%, and mix well to obtain sulfonated polyaniline modified sodium bentonite base drag r...

Embodiment 2

[0026] Add 26 parts of sodium bentonite, 8 parts of ammonium chloride, 8 parts of aniline, 8 parts of m-aminobenzenesulfonic acid, 1.5 parts of sodium polyphosphate, and 1.5 parts of sodium benzoate into water, and stir to obtain a mixed solution; by mass, Wherein the ratio of the addition of water and sodium bentonite is 2:3;

[0027] (2) The mixed solution in step (1) was left to stand for 20 minutes, then 8 parts of ammonium persulfate was added, stirred for 15 minutes and then left to stand for 16 hours;

[0028] (3) In the reaction product of step (2), add 5 parts of calcium oxide, 2 parts of carbon fiber, 1 part of graphene, 4 parts of carbon black, 2 parts of zinc powder, 2 parts of aluminum powder, and 1 part of nickel powder, and mix well;

[0029] ⑷ In the reaction mixture of step ⑶, continue to add 20 parts of cement and 2 parts of retarder, adjust the water content to the range of 15% to 50%, and mix well to obtain sulfonated polyaniline modified sodium bentonite...

Embodiment 3

[0031] ⑴ Add 30 parts of sodium bentonite, 5 parts of ammonium chloride, 10 parts of aniline, 10 parts of m-aminobenzenesulfonic acid, 2 parts of sodium polyphosphate, and 2 parts of sodium benzoate into water, and stir well to obtain a mixed solution; , wherein the ratio of water to the amount of sodium bentonite added is 2:3;

[0032] (2) The mixed solution in step (1) was left to stand for 30 minutes, then 10 parts of ammonium persulfate was added, stirred for 20 minutes, and then left to stand for 18 hours;

[0033] (3) Add 2.5 parts of calcium oxide, 3 parts of carbon fiber, 2 parts of carbon black, 0.5 part of zinc powder, 0.5 part of aluminum powder, and 0.5 part of nickel powder into the reaction product of step (2), and mix well;

[0034] (4) In the reaction mixture of step (3), continue to add 20 parts of cement and 1 part of retarder, adjust the water content to the range of 15% to 50%, and mix well to obtain the sulfonated polyaniline modified sodium bentonite base...

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Abstract

The invention discloses a sulfonated polyaniline modified sodium bentonite resistance-reducing agent, which is mainly formed by mixing sodium bentonite, carbon fiber, graphene, carbon black, zinc powder, nickel powder, aniline, ammonium persulfate, metanilic acid, ammonium chloride, calcium oxide, sodium polyphosphate, sodium benzoate, cement and a retarder. By preparation at normal temperatures and pressures, dust is not easy to generate, and the product is soluble in water, contains no toxic or harmful substances. Environmental influence is little, construction is simple and convenient, and cost is low. The prepared resistance-reducing agent has low electrical resistivity, good corrosion resistance, good stability and good water-retaining property, is suitable for acidic and alkaline soil, sand, mountainous areas, rocky areas and the like where electrical resistivity is high and water content is easy to change, especially for soil with high electrical resistivity and acidic areas.

Description

technical field [0001] The invention discloses a sulfonated polyaniline modified sodium bentonite-based drag reducing agent, mainly relates to a high-efficiency physical drag reducing agent used for grounding projects such as electric grounding and lightning protection grounding, and belongs to the technical field of conductive grounding materials. technical background [0002] Resistance reducing agent is an engineering material widely used in the fields of power grounding and lightning protection grounding, especially in areas with high grounding resistance, it has good resistance reducing and anti-corrosion effects. [0003] In order to solve the problems that the early chemical drag reducers were easy to lose and the effective conductive components could not exist stably, a conductive polymer organic chemical drag reducer was developed. Conductive polymer organic chemical drag reducers overcome the disadvantage of easy loss of conductive components, but the corrosion of ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B28/00C04B14/02C04B14/10C04B14/38C04B22/04C04B22/06C04B22/12C04B22/16C04B24/04C04B24/12C04B24/20C04B103/22C04B111/94
CPCC04B28/00C04B2111/94C04B14/104C04B22/124C04B24/121C04B24/20C04B22/16C04B24/04C04B22/064C04B14/386C04B14/022C04B22/04C04B2103/22C04B40/0028
Inventor 李多生蒋磊刘志雷刘光明裴锋谭树杰廖小军洪跃李锦锦
Owner NANCHANG HANGKONG UNIVERSITY
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