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Synthesis method of forest fire extinguishing agent based on multi-component super absorbent nanometer material

A nano-material and multi-component composite technology, which is applied in the fields of fire prevention equipment, fibrous fillers, and dyed low-molecular organic compounds, can solve the problems of poor salt resistance of superabsorbent resins, high production costs of fire extinguishing agents, and high quality of dilution water. , to achieve low manufacturing costs, broaden the scope of application, prevent the spread of fire or fire effect

Inactive Publication Date: 2014-10-01
SHANDONG UNIV OF SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] But the macromolecule water-absorbent resin fire extinguishing agent that above-mentioned method prepares has following deficiency, and the one, raw material cost itself is higher (price is generally about 2-3.5 ten thousand yuan / ton); , used in the production of fire extinguishing agent, the quality of dilution water is higher, which further pushes up the manufacturing cost of fire extinguishing agent

Method used

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  • Synthesis method of forest fire extinguishing agent based on multi-component super absorbent nanometer material
  • Synthesis method of forest fire extinguishing agent based on multi-component super absorbent nanometer material
  • Synthesis method of forest fire extinguishing agent based on multi-component super absorbent nanometer material

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0068] Preparation:

[0069] Sequentially weigh 20Kg of Na-montmorillonite, 500Kg of deionized water, and 7.3Kg of cetyltrimethylammonium bromide, disperse Na-montmorillonite in deionized water, stir and disperse quickly, and heat up to 80°C , add cetyltrimethylammonium bromide, stir vigorously, keep warm in a water bath for 4h, and filter with suction;

[0070] Then fully wash the precipitate with deionized water, redisperse the resulting filter residue in deionized water, let it stand for 8 hours, filter it with suction, and wash until there is no Br - until detected;

[0071] The finally obtained filter residue is air-dried at a temperature of 60°C to obtain organically modified montmorillonite;

[0072] Weigh 20Kg of starch, dissolve the starch in 500Kg of distilled water, gelatinize at 80°C for half an hour under a nitrogen atmosphere, and lower the reaction temperature to 65°C;

[0073] Dissolve 8Kg of organically modified montmorillonite in 100Kg of acrylic acid solu...

Embodiment 2

[0086] Preparation:

[0087] Sequentially weigh 10Kg of sodium-based montmorillonite, 250Kg of deionized water, and 3.6445Kg of cetyltrimethylammonium bromide, disperse the sodium-based montmorillonite in deionized water, stir and disperse quickly, and heat up to 80°C , add cetyltrimethylammonium bromide, stir vigorously, keep warm in a water bath for 4h, and filter with suction;

[0088] Then fully wash the precipitate with deionized water, redisperse the resulting filter residue in deionized water, let it stand for 8 hours, filter it with suction, and wash until there is no Br - until detected;

[0089] The finally obtained filter residue is air-dried at a temperature of 60°C to obtain organically modified montmorillonite;

[0090] Weigh 16Kg of starch, dissolve the starch in 500Kg of distilled water, gelatinize at 80°C for half an hour under a nitrogen atmosphere, and lower the reaction temperature to 70°C;

[0091] 6.4Kg of organically modified montmorillonite was disso...

Embodiment 3

[0100] Preparation:

[0101] Weigh 12Kg of sodium montmorillonite, 300Kg of deionized water, and 4.3734Kg of cetyltrimethylammonium bromide in turn, disperse the sodium montmorillonite in deionized water, stir and disperse quickly, and heat up to 80°C , add cetyltrimethylammonium bromide, stir vigorously, keep warm in a water bath for 4h, and filter with suction;

[0102] Then fully wash the precipitate with deionized water, redisperse the resulting filter residue in deionized water, let it stand for 8 hours, filter it with suction, and wash until there is no Br - until detected;

[0103] The finally obtained filter residue is air-dried at a temperature of 60°C to obtain organically modified montmorillonite;

[0104] Weigh 8Kg of starch, dissolve the starch in 200Kg of water, gelatinize at 80°C for half an hour under a nitrogen atmosphere, and lower the reaction temperature to 75°C;

[0105] 3.2Kg of organically modified montmorillonite was dissolved in 40Kg of acrylic acid...

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Abstract

The invention discloses a synthesis method of a forest fire extinguishing agent based on a multi-component super absorbent nanometer material. The synthesis method comprises main steps of preparing organic modified imvite, synthesizing imvite-starch-crylic acid / 2-acrylamide-2-methyl propanesulfonic acid organic / inorganic multi-component super absorbent nanometer material, and dissolving and diluting with water. According to the synthesis method, inorganic nanometer material na-montmorillonite is taken as the raw material, so that the main fire extinguishing chemical components in the fire extinguishing agent have better dispersing performance; furthermore, as strong anionic monomer 2-acrylamide-2-methyl propanesulfonic acid is introduced into the synthesis raw material, the prepared fire extinguishing compound has both good water absorbency and good salt tolerance. The synthesis method is simple and is low in production cost, and the prepared fire extinguishing agent has good fire extinguishing performance, good fire isolation performance and no toxicity or harm, is degradable, and is very suitable for forests.

Description

technical field [0001] The invention relates to a method for synthesizing a fire extinguishing agent, in particular to a method for synthesizing a forest fire extinguishing agent based on multi-component composite superabsorbent nanomaterials. Background technique [0002] In forest fire accidents, it is often necessary to use aviation fire extinguishing methods for remote primary forest areas or secondary forest areas with inconvenient transportation. At present, air extinguishing of forest fires mainly uses dry ice, dry powder, ultra-fine dry powder and other fire extinguishing agents. These fire extinguishing agents all have good fire extinguishing or flame retardant and fire insulation effects. However, in the actual use of these powder fire extinguishing agents, there are often strict requirements on meteorological conditions, and factors such as the size of the rain on rainy days and the level of wind on windy days need to be considered. Moreover, for the sake of saf...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08F251/00C08F220/06C08F220/58C08F2/44C08K9/04C08K3/34A62D1/00C09C1/42C09C3/08
Inventor 李坤李廷希陈凯姜琳郑砚萍刘杰王清
Owner SHANDONG UNIV OF SCI & TECH
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