Fire door core board, preparation method and application thereof

A fire door core board and fire door core technology, applied in the field of building materials, can solve the problems of flexural strength of back halogen, easy collapse of structure, moisture absorption of fire door core board, etc., achieve high flexural strength, avoid moisture absorption, Stable performance

Active Publication Date: 2016-09-21
SHENZHEN UNIV +3
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The purpose of the present invention is to overcome the deficiencies of the above-mentioned prior art, and provide a fire door core board and its preparation method and its application, so as to solve the problems of moisture absorption, halogen return and flexural strength of the existing fire door core board. The technical problem that the structure is easy to collapse during the low and high temperature firing process

Method used

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Examples

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preparation example Construction

[0027] On the one hand, on the basis of the fire door core board described above, the embodiment of the present invention also provides a preparation method of the fire door core board according to the embodiment of the present invention. In one embodiment, the preparation method of the fire door core board includes the following steps:

[0028] S01: Weigh magnesium oxide, magnesium chloride, attapulgite and composite foaming agent raw materials according to the ingredients contained in the fire door core layer of the fire door core board mentioned above;

[0029] S02: adding the weighed magnesium oxide, magnesium chloride, attapulgite and composite foaming agent into a solvent for mixing to form a paste mixture;

[0030] S03: Molding and curing the paste mixture to form a fire door core layer;

[0031] S04: Form a glass fireproof coating on the surface of the fire door core layer.

[0032] Specifically, the quality of the raw materials of magnesium oxide, magnesium chloride...

Embodiment 1

[0049] This embodiment provides a fire door core board and its preparation method and application. The fireproof core board in this embodiment includes a fireproof door core layer and a glass fireproof coating combined on the surface of the fireproof door core layer. Wherein, the fire door core layer includes magnesium oxide, magnesium chloride, attapulgite and composite foaming agent, and the quality ratio of the magnesium oxide, magnesium chloride, attapulgite and composite foaming agent can be found in the preparation method ratio, the thickness of the glass fireproof coating is 5μm

[0050] The preparation method of the present embodiment fireproof core board is as follows:

[0051] S11: Weigh 12kg of magnesium chloride hexahydrate, 2.5kg of attapulgite, 0.15kg of compound foaming agent and 16Kg of water into the mixer, and stir at high speed for 5 minutes to obtain a foamy mixture;

[0052] S12: Weigh 20kg of magnesium oxide and add it to the foamy mixture, and continue...

Embodiment 2

[0059] This embodiment provides a fire door core board and a preparation method thereof. The fireproof core board in this embodiment includes a fireproof door core layer and a glass fireproof coating combined on the surface of the fireproof door core layer. Wherein, the fire door core layer includes magnesium oxide, magnesium chloride, attapulgite and composite foaming agent, and the quality ratio of the magnesium oxide, magnesium chloride, attapulgite and composite foaming agent can be found in the preparation method Ratio, the thickness of the glass fireproof coating is 50 μm.

[0060] The preparation method of the present embodiment fireproof core board is as follows:

[0061] S21: Weigh 15kg of magnesium chloride hexahydrate, 4kg of attapulgite, 0.2kg of composite foaming agent and 12Kg of water into the mixer, and stir at high speed for 5 minutes to obtain a foamy mixture;

[0062] S22: Weigh 12kg of magnesium oxide and add it to the foamy mixture, and continue stirring...

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Abstract

The invention discloses a fire door core board, a preparation method and application thereof. The fire door core board comprises a fire door core layer and a glass fireproof coating combined on the surface of the fire door core layer. Specifically, the fire door core layer includes magnesium oxide, magnesium chloride, attapulgite and a composite foaming agent in a mass ratio of (30-45):(15-35):(5-15):(0.1-0.5), and the thickness of the glass fireproof coating is 5-50micrometers. The fire door core board provided by the invention has high bending strength, stable structure and good fireproof performance. The preparation method effectively ensures the performance stability of the fire door core board provided by the invention, and improves the fireproof performance.

Description

technical field [0001] The invention belongs to the field of building materials, and in particular relates to a fire door core board, a preparation method thereof and an application of the fire door core board. Background technique [0002] The 8.12 Tianjin Binhai New Area explosion accident killed 165 people, lost 8 people, and caused a direct economic loss of 6.866 billion yuan. While this huge disaster makes people deeply saddened, it also makes the requirements of relevant departments for fireproof materials more stringent. Among many building materials, fire doors are one of the important fire prevention links in the fire prevention link. [0003] At present, most fire doors are made of fire door core panels. As we all know, fire doors made of fire door core panels can not only save the skeleton support, but also simplify the production process of fire doors, improve production efficiency, and reduce manufacturing costs. However, as far as the current two fire door co...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B28/32C04B38/02C04B41/45E06B3/70E06B5/16C04B111/28
CPCC04B28/32C04B38/02C04B41/45C04B2111/28C04B2201/20C04B2201/50E06B3/70E06B5/161C04B14/102
Inventor 邹继兆刘长于思洋曾燮榕李斌吴洪亮程标王毅吴耀耀
Owner SHENZHEN UNIV
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