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Dolomite compound type flame retardant
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A dolomite and composite technology, applied in the field of flame retardants, can solve the problems of pollution, large usage, high price, etc., and achieve the effect of simple production process, high heat resistance and low cost
Inactive Publication Date: 2014-05-14
TONGLING XIANGYUN FIRE FIGHTING TECH
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Abstract
Description
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Problems solved by technology
Existing flame retardants are complex in composition, high in price, large in use, poor in flame retardant effect, and most of them are highly toxic and polluting
Method used
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Embodiment 1
[0018] A dolomite composite flame retardant is composed of the following raw materials in parts by weight: 30 parts of dolomite, 15 parts of borax, 10 parts of hollow microspheres, 70 parts of pentaerythritol, and 50 parts of ammoniumpolyphosphate.
[0019] The preparation method of dolomite composite flame retardant comprises the following preparation steps:
[0020] (1) Crush the dolomite to 200 mesh, then fully mix the dolomite powder, borax, and hollow microspheres according to the above weight ratio, and stir at 115°C at a high speed of 3000 rpm for 40 minutes;
[0021] (2) Add pentaerythritol and ammonium polyphosphate to the mixture in step (1), mix thoroughly for 40 minutes, and cool to obtain the dolomite composite flame retardant.
Embodiment 2
[0023] A dolomite composite flame retardant is composed of the following raw materials in parts by weight: 20 parts of dolomite, 5 parts of borax, 5 parts of hollow microspheres, 50 parts of pentaerythritol, and 30 parts of ammonium polyphosphate.
[0024] The preparation method of dolomite composite flame retardant comprises the following preparation steps:
[0025] (1) Crush the dolomite to 100 mesh, then fully mix the dolomite powder, borax, and hollow microspheres according to the above weight ratio, and stir at 100°C at a high speed of 4000 rpm for 30 minutes;
[0026] (2) Add pentaerythritol and ammonium polyphosphate to the mixture in step (1), mix thoroughly for 30 minutes, and cool to obtain the dolomite composite flame retardant.
Embodiment 3
[0028] A dolomite composite flame retardant is composed of the following raw materials in parts by weight: 50 parts of dolomite, 5-30 parts of boron, 25 parts of hollow microspheres, 80 parts of pentaerythritol and 60 parts of ammonium polyphosphate.
[0029] The preparation method of dolomite composite flame retardant comprises the following preparation steps:
[0030] (1) Crush the dolomite to 200 mesh, then fully mix the dolomite powder, borax, and hollow microspheres according to the above weight ratio, and stir at 100°C at a high speed of 4000 rpm for 30 minutes;
[0031] (2) Add pentaerythritol and ammonium polyphosphate to the mixture in step (1), mix thoroughly for 30 minutes, and cool to obtain the dolomite composite flame retardant.
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Abstract
The invention discloses a dolomite compound type flame retardant which is prepared from the following raw materials in parts by weight: 20-50 parts of dolomite, 5-30 parts of borax, 5-25 parts of hollow microspheres, 50-80 parts of pentaerythritol and 30-60 parts of ammoniumpolyphosphate. A preparation method comprises the following steps: (1) grinding the dolomite to 100-200 meshes, sufficiently mixing the dolomite powder, the borax and the hollow microspheres according to the weight part proportion, and stirring for 30-40min at a high speed of 3,000-4,000rpm (revolutions per minute) at 100-115 DEG C; (2) adding the pentaerythritol and ammoniumpolyphosphate into the mixture in the step (1), sufficiently mixing for 30-50 minutes, and cooling to obtain the dolomite compound type flame retardant. The flame retardant disclosed by the invention has the advantages of simple and reasonable composition, high efficiency, low cost, low smoke, low toxin, no environmental pollution and simple production process.
Description
[0001] technical field [0002] The invention relates to the field of flame retardants, in particular to a dolomite composite flame retardant. [0003] Background technique [0004] In reality, many products need to have flame retardant properties, such as flame retardant plastics and other products, which require flame retardants. Existing flame retardants are complex in composition, high in price, large in use, poor in flame retardant effect, and most of them are highly toxic and polluting. [0005] Contents of the invention [0006] The purpose of the present invention is to overcome the deficiencies of the prior art and provide a dolomite composite flame retardant with simple and reasonable components, high efficiency, low cost, low smoke, low toxicity and no environmental pollution. [0007] In order to achieve the above object, the present invention adopts the following technical solutions: [0008] A dolomite composite flame retardant, which is composed of the f...
Claims
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Application Information
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