Layered double metal hydroxide based antiflaming smoke suppressant, preparation method thereof and antiflaming smoke suppressing compound material modified by using antiflaming smoke suppressant
A layered bimetallic and hydroxide technology, which is applied in the treatment of dyed low-molecular organic compounds, etc., to achieve the effects of improving flame retardancy, improving dispersion effect, and good mechanical properties
Inactive Publication Date: 2014-09-10
SOUTHWEAT UNIV OF SCI & TECH
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Problems solved by technology
However, no spirocyclic phosphate salt intercalated layered double metal hydroxide flame retardant and smoke suppressant and related literature reports
Method used
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Effect test
Embodiment 1
[0048] Prepare the aqueous solution of flame retardant modifier:
[0049] Weigh 1.79g SPDPC and disperse it in 30mL deionized water, stir and slowly add 0.5mol / L sodium hydroxide aqueous solution dropwise in a water bath at 25°C until the solution is clear and alkaline, then stop, and adjust the pH value of the final system to maintain for 8.
Embodiment 2
[0051] Prepare the aqueous solution of flame retardant modifier:
[0052] Weigh 1.19g SPDPC and disperse it in 30mL deionized water, stir and slowly add 1mol / L sodium bicarbonate aqueous solution dropwise in a water bath at 45°C until the solution is clear and alkaline, then stop, and adjust the pH value of the final system to maintain 7.
Embodiment 3
[0054] Prepare the aqueous solution of flame retardant modifier:
[0055] Weigh 2.38g SPDPC and disperse it in 30mL deionized water, stir and slowly add 2mol / L sodium carbonate aqueous solution dropwise in a water bath at 80°C until the solution is clear and alkaline, then stop, and adjust the final system pH to 9 .
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The invention discloses a layered double metal hydroxide based antiflaming smoke suppressant, a preparation method thereof and an antiflaming smoke suppressing compound material modified by using the antiflaming smoke suppressant. The antiflaming smoke suppressant comprises spiro phosphate intercalation layered double metal hydroxide, and the preparation method of the antiflaming smoke suppressant comprises the following steps of synthetizing the layered double metal hydroxide through a hydrothermal method; preparing a spiro phosphate derivative, and entering into laminates of the layered double metal hydroxide through ion exchange so as to prepare the product. The antiflaming smoke suppressant can be used for modification of high polymer material antiflaming smoke suppression. The antiflaming smoke suppressant combines the efficient coal antiflaming property of the spiro phosphate compound and the unique antiflaming smoke suppressing property of the layered double metal hydroxide which is rich in crystal water, metal ions and a layered structure, the antiflaming of the layered double metal hydroxide is modified by the intercalation and the compatibility of the layered double metal hydroxide and a polymer matrix is also improved by the intercalation. The antiflaming smoke suppressant has low cost and is environment-friendly, can improve the antiflaming and smoke suppressing property, and can maintain the excellent mechanical property of materials.
Description
technical field [0001] The invention belongs to the ultramicrostructure with hydroxide and organic matter and its manufacture and application, and relates to a layered double metal hydroxide-based flame retardant and smoke suppressant, its preparation method and its modified flame retardant and smoke suppressant compound Material. The layered double metal hydroxide-based flame-retardant and smoke-suppressant of the present invention and the flame-retardant and smoke-suppressant composite material modified by it are suitable for places with special requirements on fire-proof performance, so as to reduce the impact of potential fire hazards on production economy and life safety. harm. Background technique [0002] The development of science and technology constantly guides and promotes the progress of new materials, and the single material matrix is gradually replaced by composite materials. In order to meet the application requirements in different fields, multifunctional...
Claims
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IPC IPC(8): C08K9/04C08K3/26C08K3/28C08K3/30C08K3/22C09C3/08C08L67/06C08L63/00C08L23/06C08L23/12C08K13/06
Inventor 胡小平衡惠敏徐启奎常艳李良君
Owner SOUTHWEAT UNIV OF SCI & TECH