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Fireproof door core and preparation method thereof

A fire-resistant door core and closed-cell technology, applied in the field of doors and windows, can solve the problems of poor fire resistance, endangering life and health and property safety, poor toughness, etc., and achieve the effect of improving toughness, good stability and good fire resistance.

Inactive Publication Date: 2018-08-17
HEFEI YIZHI DOORS & WINDOWS CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] However, the fireproof door cores in the prior art have disadvantages such as poor fire resistance and poor toughness, which seriously endanger people's lives, health and property safety.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0026] This embodiment relates to a fire door core, including the following raw materials by weight: 10 parts of closed-cell expanded perlite, 15 parts of gypsum, 20 parts of cement, 7 parts of coated nano-fly ash, 5 parts of silica fume, and 5 parts of magnesium sulfate. parts, 4 parts of bleaching beads, 5 parts of calcined kaolin, 2 parts of sodium methyl silicate, 3 parts of calcium stearate, 1 part of foaming agent, 2 parts of glass fiber, and 1 part of polypropylene fiber.

[0027] Wherein, the preparation method of described coated nano fly ash is as follows:

[0028] (1) Ball milling and dispersing the fly ash with alcohol for 3 hours, then adding 3% by weight of alkyl glycosides, 2% tricresyl phosphate and 8% deionized water to it, and keeping the temperature at 60°C. Stir and heat in a water bath for 45 minutes to obtain a dispersion;

[0029] (2) Add aluminum sulfate solution with a concentration of 25% equivalent to 15% of its weight into the dispersion, and at th...

Embodiment 2

[0039] This embodiment relates to a fire door core, which includes the following raw materials by weight: 20 parts of closed-cell expanded perlite, 28 parts of gypsum, 30 parts of cement, 14 parts of coated nano-fly ash, 12 parts of silica fume, and 10 parts of magnesium sulfate. parts, 9 parts of bleaching beads, 12 parts of calcined kaolin, 6 parts of sodium methyl silicate, 5 parts of calcium stearate, 2 parts of foaming agent, 4 parts of glass fiber, and 3 parts of polypropylene fiber.

[0040] Wherein, the preparation method of described coated nano fly ash is as follows:

[0041] (1) Ball milling and dispersing the fly ash with alcohol for 3 hours, then adding 3% by weight of alkyl glycosides, 2% tricresyl phosphate and 8% deionized water to it, and keeping the temperature at 70°C. Stir and heat in a water bath for 45 minutes to obtain a dispersion;

[0042] (2) Add aluminum sulfate solution with a concentration of 25% equivalent to 15% of its weight into the dispersion...

Embodiment 3

[0052]This embodiment relates to a fire door core, including the following raw materials by weight: 13 parts of closed-cell expanded perlite, 17 parts of gypsum, 22 parts of cement, 8 parts of coated nano-fly ash, 7 parts of silica fume, and 6 parts of magnesium sulfate. parts, 5 parts of bleaching beads, 6 parts of calcined kaolin, 3 parts of sodium methyl silicate, 3.5 parts of calcium stearate, 1.2 parts of foaming agent, 2.5 parts of glass fiber, and 1.7 parts of polypropylene fiber.

[0053] Wherein, the preparation method of described coated nano fly ash is as follows:

[0054] (1) Ball milling and dispersing the fly ash with alcohol for 3 hours, then adding 3% by weight of alkyl glycosides, 2% tricresyl phosphate and 8% deionized water to it, and keeping it at a constant temperature of 63°C. Stir and heat in a water bath for 45 minutes to obtain a dispersion;

[0055] (2) Add aluminum sulfate solution with a concentration of 25% equivalent to 15% of its weight into the...

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PUM

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Abstract

The invention discloses a fireproof door core, comprising, by weight, 10 parts of closed-cell expanded perlite, 15 parts of gypsum, 20 parts of cement, 7 parts of coated nano flyash, 5 parts of silicafume, 5 parts of magnesium sulfate, 4 parts of floating beads, 5 parts of calcined kaolin, 2 parts of sodium methyl silicate, 3 parts of calcium stearate, 1 part of a foaming agent, 2 parts of glassfiber, and 1 part of polypropylene fiber. The fireproof door core has good fireproof performance, is harmless to human bodies and environment, and has good toughness and stability.

Description

technical field [0001] The invention belongs to the technical field of doors and windows, and in particular relates to a fireproof door core and a preparation method thereof. Background technique [0002] The fire door is composed of skeleton, door core filling material and fireproof hardware. The filling material of the door core board is the core material of the fire door, and its quality and performance are particularly important. [0003] However, the fireproof door core in the prior art has shortcomings such as poor fireproof performance and poor toughness, which seriously endanger people's life, health and property safety. SUMMARY OF THE INVENTION [0004] The present invention provides a fireproof door core and a preparation method thereof, which solve the problems in the above-mentioned background technology. [0005] In order to solve the problems existing in the prior art, the following technical solutions are adopted: [0006] A fire door core, comprising the ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B28/14C04B38/10C04B20/10C04B20/02C04B20/04E06B3/70C04B111/28C04B18/08
CPCC04B20/1066C04B28/14C04B2111/28E06B3/7015E06B2003/7023E06B2003/7028C04B14/185C04B7/00C04B18/08C04B18/146C04B22/142C04B18/082C04B14/106C04B24/42C04B24/085C04B14/42C04B16/0633C04B24/16C04B38/10C04B20/023C04B20/026C04B20/04Y02W30/91
Inventor 汪中奇
Owner HEFEI YIZHI DOORS & WINDOWS CO LTD
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