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Low-smoke type antimonous oxide compound fire retardant and preparation method thereof

A technology of antimony trioxide and compound flame retardant, which is applied in the chemical industry, can solve the problems of smoldering, toxic gas, large smoke generation, etc., and achieves the promotion of full mixing, reduction of mechanical properties, and improvement of compatibility. sexual effect

Active Publication Date: 2012-08-22
广西华锑科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, studies have shown that halogenated antimony-based flame retardants have disadvantages such as large smoke, toxic gas, and smoldering during use. Therefore, in addition to non-halogenated flame retardants, halogen-containing polymer materials need to be Solve the smoke problem by adding smoke suppressant
However, the widely used smoke-suppressing additive flame retardants have certain negative effects on the mechanical, physical, mechanical and processing properties of polymers. Therefore, the traditional antimony oxide flame-retardant products are optimized and upgraded to make them both retardant Combustion and smoke suppression functions, suppressing the generation of smoke and toxic gases, while not affecting the mechanical properties of polymers, and meeting the requirements of environmental protection have become the current research hotspots of antimony-based flame retardants

Method used

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  • Low-smoke type antimonous oxide compound fire retardant and preparation method thereof
  • Low-smoke type antimonous oxide compound fire retardant and preparation method thereof
  • Low-smoke type antimonous oxide compound fire retardant and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0033] (1) Weigh raw materials of low-smoke antimony trioxide compound flame retardant: 30 kg of antimony trioxide (main content above 99.6%), 10 kg of hydrotalcite, 10 kg of zinc borate, 5 kg of organically modified montmorillonite kg, 1 kg of titanate coupling agent;

[0034] (2) Put the above-mentioned prepared components into a high-speed mixer with water cooling function and mix evenly. The mixing time is 30 minutes, and the temperature of the material in the mixer is controlled below 100°C during the mixing process;

[0035] (3) Transport the uniformly mixed materials to the vibrating screen for preliminary screening, remove large particles or agglomerated materials, and then transport the preliminary screened materials to the centrifugal sieve for secondary screening; vibrating screen model: Zxs1000 type, motor 1.5kw, speed: 1100rpm; centrifugal sieve type: kemutec k650 type;

[0036] (4) Transport the materials screened out from the centrifugal sieve to the packaging ...

Embodiment 2

[0038] (1) Weigh low-smoke type antimony trioxide compound flame retardant raw materials: 60 kg of antimony trioxide (main content above 99.6%), 40 kg of hydrotalcite, 40 kg of zinc borate, 10 kg of organically modified montmorillonite kg, 3 kg of aluminate coupling agent;

[0039] (2) Put the above-mentioned prepared components into a high-speed mixer with water cooling function and mix evenly. The mixing time is 35 minutes, and the temperature of the material in the mixer is controlled below 100°C during the mixing process;

[0040] (3) Transport the uniformly mixed materials to the vibrating screen for preliminary screening, remove large particles or agglomerated materials, and then transport the preliminary screened materials to the centrifugal sieve for secondary screening; vibrating screen model: Zxs1000 type, motor 1.5kw, speed: 1100rpm; centrifugal sieve type: kemutec k650 type;

[0041] (4) Transport the materials screened out from the centrifugal sieve to the packag...

Embodiment 3

[0043] (1) Weigh raw materials of low-smoke antimony trioxide compound flame retardant: 40 kg of antimony trioxide (main content above 99.6%), 15 kg of hydrotalcite, 15 kg of zinc borate, 6 kg of organically modified montmorillonite kg, 1 kg of titanate coupling agent;

[0044] (2) Put the above-mentioned prepared components into a high-speed mixer with water cooling function and mix evenly. The mixing time is 55 minutes, and the temperature of the material in the mixer is controlled below 100°C during the mixing process;

[0045] (3) Transport the uniformly mixed materials to the vibrating screen for preliminary screening, remove large particles or agglomerated materials, and then transport the preliminary screened materials to the centrifugal sieve for secondary screening; vibrating screen model: Zxs1000 type, motor 1.5kw, speed: 1100rpm; centrifugal sieve type: kemutec k650 type;

[0046] (4) Transport the materials screened out from the centrifugal sieve to the packaging ...

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PUM

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Abstract

The invention discloses a low-smoke type antimonous oxide compound fire retardant and a preparation method thereof. The fire retardant comprises components, by weight: 30-60 parts of antimonous oxide, 10-40 parts of hydrotalcite, 10-40 parts of zinc borate, 5-10 parts of montmorillonite and 1-3 parts of coupling reagents. The coupling reagent is selected from one of a titanate coupling agent and an aluminate coupling agent. The fire retardant has good fire retarding and smoke suppression performance and can reduce polymer mechanical property reduction caused by adding the compound fire retardant.

Description

technical field [0001] The invention belongs to the field of chemical industry and relates to a flame retardant, in particular to a low-smoke type antimony trioxide compound flame retardant and a preparation method thereof. Background technique [0002] Studies have shown that in a fire, smoke is the first and most lethal factor. According to expert statistics, more than 80% of the people who died of fire accidents in the world were suffocated by the smoke and toxic gases released by the burning of polymer materials, not by open flames. When polymer materials are burned, more smoke and toxic gases are produced. This kind of smoke gas is the most dangerous factor in fires, because their diffusion speed is much faster than that of flames, which hinders people's evacuation and extinguishing work in a fire. , resulting in serious loss of life and property. Therefore, in the field of flame retardant research, flame retardant and smoke suppression are two eternal topics. [000...

Claims

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Application Information

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IPC IPC(8): C08K9/04C08K3/22C08K3/26C08K3/38C08K3/34
Inventor 陆增梦石建荣王松林韦华马柳军
Owner 广西华锑科技有限公司
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