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A kind of antimony composite flame retardant for silicate fiberboard and preparation method thereof

A composite flame retardant and fiberboard technology, which is applied in the fields of materials and chemicals, can solve the problems of limited use range and heavy weight, and achieve the effects of avoiding toxic and harmful gases and waste, improving production efficiency, improving fire resistance and processing performance

Active Publication Date: 2017-05-10
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 the plates made of quartz powder and amorphous silicon powder are heavy and the scope of use is greatly limited.

Method used

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  • A kind of antimony composite flame retardant for silicate fiberboard and preparation method thereof

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Comparison scheme
Effect test

Embodiment 1

[0024] Based on the total weight, weigh 50 parts of antimony trioxide, 30 parts of calcium silicate, 10 parts of zinc borate, 10 parts of hydrotalcite, and 5 parts of modifier.

[0025] The preparation method of antimony series composite flame retardant of the present invention comprises the following steps:

[0026] S1. Antimony trioxide modification: use titanate or aluminate to modify the surface of antimony trioxide, the modification temperature is 140°C, the stirring rate is 4000rpm / min, and the stirring time is 3.5h;

[0027] S2. Raw material mixing: put the modified antimony trioxide, calcium silicate, hydrotalcite, and zinc borate in the frequency conversion mixer for low-speed and high-speed two-stage uniform mixing. The stirring speed of low-speed mixing is 1200rpm / min, the mixing time is 5min, and the temperature is not controlled; the stirring speed of high-speed mixing is 5000rpm / min, the temperature is controlled at 100°C, and the mixing time is 20min;

[0028] ...

Embodiment 2

[0030] In total weight, 60 parts of antimony trioxide, 30 parts of calcium silicate, 4 parts of zinc borate, 3 parts of hydrotalcite, and 3 parts of modifier.

[0031] The preparation method of antimony series composite flame retardant of the present invention comprises the following steps:

[0032] S1. Antimony trioxide modification: use titanate or aluminate to modify the surface of antimony trioxide, the modification temperature is 100°C, the stirring rate is 2000rpm / min, and the stirring time is 4.5h;

[0033] S2. Raw material mixing: put the modified antimony trioxide, calcium silicate, hydrotalcite, and zinc borate in the frequency conversion mixer for low-speed and high-speed two-stage uniform mixing. The stirring speed of low-speed mixing is 600rpm / min, the mixing time is 10min, and the temperature is not controlled; the stirring speed of high-speed mixing is 2000rpm / min, the temperature is controlled at 70°C, and the mixing time is 40min;

[0034] S3. Screening: tran...

Embodiment 3

[0036] Based on the total weight, there are 60 parts of antimony trioxide, 20 parts of calcium silicate, 10 parts of zinc borate, 5 parts of hydrotalcite and 5 parts of modifier.

[0037] The preparation method of antimony series composite flame retardant of the present invention comprises the following steps:

[0038] S1. Antimony trioxide modification: use titanate or aluminate to modify the surface of antimony trioxide, the modification temperature is 120°C, the stirring rate is 3000rpm / min, and the stirring time is 4h;

[0039] S2. Raw material mixing: put the modified antimony trioxide, calcium silicate, hydrotalcite, and zinc borate in the frequency conversion mixer for low-speed and high-speed two-stage uniform mixing. The stirring speed of low-speed mixing is 900rpm / min, the mixing time is 8min, and the temperature is not controlled; the stirring speed of high-speed mixing is 3500rpm / min, the temperature is controlled at 85°C, and the mixing time is 30min;

[0040] S3...

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Abstract

The present invention discloses an antimony-based compound flame retardant for silicate fiberboard and a preparation method thereof, and belongs to the fields of material and chemical engineering. The antimony-based compound flame retardant comprises the following components by weight: 50-60 parts of antimony trioxide, 20-30 parts of calcium silicate, 4-10 parts of zinc borate, 3-10 parts of hydrotalcite and 3-5 parts of a modifier. The antimony-based compound flame retardant is prepared by the steps of antimony trioxide modification, raw material mixing and screening. The present invention employs antimony trioxide, zinc borate, hydrotalcite and modifier for the preparation of the compound flame retardant, and improves the refractoriness and processing property of the fireproof plate in reducing the amount of antimony. Meanwhile, the raw materials do not contain halogen or heavy metals such as lead and mercury, and do not produce harmful gases or waste in usage.

Description

[0001] 【Technical field】 [0002] The invention belongs to the fields of materials and chemical industry, and in particular relates to an antimony-based composite flame retardant for silicate fiber boards and a preparation method thereof. [0003] 【Background technique】 [0004] Silicate fiberboard is made of calcareous materials, siliceous materials and other cementitious materials, as well as reinforcing fibers (mainly cellulose fibers, alkali-resistant glass fibers, etc. New lightweight panels. The difference between silicate fiberboard and ordinary calcium silicate board is that the amount of reinforcing fiber in the board is more than 10%, so it has low apparent density, moisture-proof, moth-proof, mildew-proof and good processability (can be nailed, sawed, In addition to the various advantages that ordinary calcium silicate boards also have, such as planing, drilling, bonding, etc.), silicate fiberboards also have excellent properties such as high strength, shrinkage and...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C04B22/08C04B103/63
Inventor 韦华马柳军梁小良潘善初
Owner 广西华锑科技有限公司
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