Antimony composite flame retardant and preparation method thereof

An antimony-based flame-retardant and composite technology, which is applied in the field of flame retardants and can solve problems such as toxicity, uneven dispersion, and environmental health hazards

Active Publication Date: 2021-09-17
HUNAN LOUDI HUAXING ANTIMONY IND
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, on the one hand, while the halogen flame retardants are flame retardant to polymers, they will release toxic gases, endangering the environment and human health. On the other hand, antimony flame retardants are mainly antimony trioxide, which is used in polymer materials. The dispersion in the medium is not uniform, and adding it to the polymer material will affect the physical and mechanical properties and optical properties of the material, so that its application range is greatly limited

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  • Antimony composite flame retardant and preparation method thereof
  • Antimony composite flame retardant and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0025] An antimony-based composite flame retardant, whose exterior is coated with oleic acid, and whose interior is composed of nanometer antimony trioxide, aluminum diethylphosphinate, and Co-MOFs.

[0026] Among them, the mass ratio of nano antimony trioxide, aluminum diethylphosphinate, and Co-MOFs is 2.5:1:6.

[0027] The preparation method of Co-MOFs is as follows:

[0028] Will Co(NO 3 ) 2 1. Add terephthalic acid into a sufficient amount of DMF / ethanol / water solution according to the mass ratio of 1.6:1 (the volume ratio of DMF, ethanol, and water is 3:1:1), first 400W ultrasonic dispersion for 30min, then mechanical stirring at room temperature 200r / min for 2h, The reaction solution was transferred to a sealed autoclave, heated to 165°C and reacted for 45 hours, the reaction solution was cooled and filtered with suction, the solid was washed three times with absolute ethanol and then vacuum-dried at 60°C.

[0029] The preparation method of antimony series composite ...

Embodiment 2

[0032] An antimony-based composite flame retardant, whose exterior is coated with oleic acid, and whose interior is composed of nanometer antimony trioxide, aluminum methylcyclohexylphosphinate, and Co-MOFs.

[0033] Among them, the mass ratio of nanometer antimony trioxide, aluminum methylcyclohexylphosphinate, and Co-MOFs is 2:1:5.

[0034] The preparation method of Co-MOFs is as follows:

[0035] Will Co(NO 3 ) 2 1. Add terephthalic acid into a sufficient amount of DMF / ethanol / water solution according to the mass ratio of 1.6:1 (the volume ratio of DMF, ethanol, and water is 3:1:1), first 400W ultrasonic dispersion for 30min, then mechanical stirring at room temperature 200r / min for 2h, The reaction solution was transferred to a sealed autoclave, heated to 165°C and reacted for 45 hours, the reaction solution was cooled and filtered with suction, the solid was washed three times with absolute ethanol and then vacuum-dried at 60°C.

[0036] The preparation method of antim...

Embodiment 3

[0039] An antimony-based composite flame retardant, whose exterior is coated with oleic acid, and whose interior is composed of nano antimony trioxide, aluminum diethylphosphinate, and Ni-MOFs.

[0040] Among them, the mass ratio of nano antimony trioxide, aluminum diethylphosphinate and Ni-MOFs is 2.5:1:8.

[0041] The preparation method of Ni-MOFs is as follows:

[0042] Ni(NO 3 ) 2 1. Add terephthalic acid into a sufficient amount of DMF / ethanol / water solution according to the mass ratio of 1.6:1 (the volume ratio of DMF, ethanol, and water is 3:1:1), first 400W ultrasonic dispersion for 30min, then mechanical stirring at room temperature 200r / min for 2h, The reaction solution was transferred to a sealed autoclave, heated to 165°C and reacted for 45 hours, the reaction solution was cooled and filtered with suction, the solid was washed three times with absolute ethanol and then vacuum-dried at 60°C.

[0043] The preparation method of antimony series composite flame retar...

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Abstract

The invention relates to the field of flame retardants, in particular to an antimony composite flame retardant and a preparation method thereof.The exterior of the antimony composite flame retardant is coated with oleic acid, and the interior of the antimony composite flame retardant is composed of an inorganic antimony flame retardant, organic phosphinic acid metal salt and metal-MOFs; after the antimony composite flame retardant is added, the toughening and reinforcing effects can be achieved, and the mechanical property of a resin material is improved to a certain degree; the flame retardant has good flame-retardant and smoke-suppression effects, the LOI is larger than or equal to 36%, the smoke-suppression and flame-retardant level is V-0, no molten drop exists during combustion, and the ignition time is larger than or equal to 43s.

Description

technical field [0001] The invention relates to the field of flame retardants, in particular to an antimony-based composite flame retardant and a preparation method thereof. Background technique [0002] Flame retardants are substances that can increase the flame resistance of polymer materials. They are mainly used in polymer materials such as plastics, rubber, fibers, etc., and most of these materials are combustible. Especially for plastics, if they are to be used in transportation, construction, electrical equipment, aviation, spaceflight, etc., it is urgent to solve the problem of their resistance to combustion. The use of flame retardants should generally meet the following conditions: do not reduce the physical properties of polymer materials, such as heat resistance, mechanical strength, and electrical properties; the decomposition temperature should not be too high, and will not decompose at the processing temperature; good durability; Good weather resistance; chea...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08K9/10C08K3/22C08K5/5313C08L87/00C08L77/02
CPCC08K9/10C08K3/2279C08K5/5313C08L87/00C08L77/02C08K2003/2282C08L2201/02
Inventor 龚文
Owner HUNAN LOUDI HUAXING ANTIMONY IND
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