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Silicon magnesium boron lumber nano combustion inhibitor

A nano-flame retardant and wood technology, applied in the direction of wood impregnation, impregnated wood, wood processing equipment, etc., can solve the problems of large pollution, high cost, and complicated preparation process of flame retardants, and achieve simple preparation process, low cost, The effect of good smoke suppression effect

Active Publication Date: 2013-09-11
CENTRAL SOUTH UNIVERSITY OF FORESTRY AND TECHNOLOGY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] At present, few flame retardants have good flame retardant effect and smoke suppression effect at the same time. Most of the main components of flame retardants are organic substances. The preparation process of flame retardants is complicated, the cost is high, and the pollution is large.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0023] Raw materials are weighed in percentages by weight, 300 grams of sodium silicate hydrate, 240 grams of elemental silicon, 40 grams of tin chloride, 200 grams of zinc borate, 150 grams of basic magnesium carbonate, and 20 grams of magnesium chloride. Elemental silicon and basic magnesium carbonate are all 15nm, 30nm, and 50nm in particle size, mixed in a mass ratio of 1:1:1, and the tin chloride, zinc borate, and magnesium chloride are all micron-sized, and hydrated sodium silicate, elemental silicon, Basic magnesium carbonate is mixed evenly, and then the mixture of flame retardant and water is dispersed with polyethylene glycol for 38 minutes under ultrasonic and microwave conditions; the dispersed flame retardant suspension is mixed with tin chloride, zinc borate, The aqueous solution of magnesium chloride was mixed and stirred for 20 minutes to obtain a silicon magnesium boron wood nano flame retardant.

Embodiment 2

[0025] Raw materials are weighed in percentages by weight, 320 grams of hydrated sodium silicate, 250 grams of elemental silicon, 40 grams of tin chloride, 250 grams of zinc borate, 160 grams of basic magnesium carbonate, and 20 grams of magnesium chloride. Elemental silicon and basic magnesium carbonate are all 15nm, 30nm, and 50nm in particle size, mixed in a mass ratio of 1:1:1, and the tin chloride, zinc borate, and magnesium chloride are all micron-sized, and hydrated sodium silicate, elemental silicon, Basic magnesium carbonate is mixed evenly, and then the mixture of flame retardant and water is dispersed for 33 minutes with polyethylene glycol, sodium dodecylsulfonate, sodium pyrophosphate or sodium hexametaphosphate under ultrasonic and microwave conditions; The dispersed flame retardant suspension is mixed with the aqueous solution of tin chloride, zinc borate and magnesium chloride and stirred for 20 minutes to obtain a silicon magnesium boron wood nano flame retarda...

Embodiment 3

[0027] Raw materials are weighed in percentages by weight, 320 grams of hydrated sodium silicate, 250 grams of elemental silicon, 50 grams of tin chloride, 230 grams of zinc borate, 160 grams of basic magnesium carbonate, and 23 grams of magnesium chloride. Elemental silicon and basic magnesium carbonate are all 15nm, 30nm, and 50nm in particle size and mixed according to a mass ratio of 1:1:1. The tin chloride, zinc borate, and magnesium chloride are all micron-scale, and hydrated sodium silicate, elemental silicon, Basic magnesium carbonate is mixed evenly, and then the mixture of flame retardant and water is dispersed for 32 minutes with polyethylene glycol, sodium dodecylsulfonate, sodium pyrophosphate or sodium hexametaphosphate under ultrasonic and microwave conditions; The dispersed flame retardant suspension is mixed with the aqueous solution of tin chloride, zinc borate and magnesium chloride and stirred for 20 minutes to obtain a silicon magnesium boron wood nano flam...

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PUM

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Abstract

The invention discloses a silicon magnesium boron lumber nano combustion inhibitor, the combustion inhibitor comprises the following raw materials by weight percentage: 30%-36% of sodium silicate hydrate, 24%-30% of elemental silicon, 4%-6% of tin chloride, 20%-30% of zinc borate, 15%-17.5% of basic magnesium carbonate and 2%-2.5% of magnesium chloride, the sodium silicate hydrate, elemental silicon and basic magnesium carbonate have particle sizes of 15nm, 30nm and 50nm and are mixed according to the mass ratio of 1:1:1, the tin chloride, zinc borate and magnesium chloride are micron-grade, sodium silicate hydrate, elemental silicon and basic magnesium carbonate are uniformly mixed, a mixture of the combustion inhibitor and water are performed a disperse treatment for 30-40 minutes by polyethylene glycol, sodium dodecanesulphonate, sodium acid pyrophosphate or sodium hexametaphosphate under the condition of supersonic wave and microwave, the dispersed suspension fluid of the combustion inhibitor is mixed with the aqueous solution of tin chloride, zinc borate and magnesium chloride and stirred for 20m minutes to obtain the silicon magnesium boron lumber nanometer combustion inhibitor. The present invention has the advantages of good fireproof effect, simple technology, easy industrialization, cleanness and no pollution.

Description

technical field [0001] The invention relates to a nano flame retardant, in particular to a silicon magnesium boron nano flame retardant. Background technique [0002] At present, few flame retardants have good flame retardant effect and smoke suppression effect at the same time. Most of the main components of flame retardants are organic substances. The preparation process of flame retardants is complicated, the cost is high, and the pollution is large. Contents of the invention [0003] The technical problem solved by the present invention is to provide a silicon-magnesium-boron wood nano-flame retardant to solve the above-mentioned shortcomings in the background technology. [0004] The technical problem solved by the present invention adopts following technical scheme to realize: [0005] A kind of silicon magnesium boron wood nano flame retardant, its raw material comprises the following components by weight: [0006] Hydrated sodium silicate 30%—36% [0007] Elemen...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B27K3/52
Inventor 吴义强姚春花周先雁胡云楚卿彦李新功李贤军吕建雄
Owner CENTRAL SOUTH UNIVERSITY OF FORESTRY AND TECHNOLOGY
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