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Fire-proof core veneer material for elevator door, fire-proof core veneer and production method of fire-proof core veneer

A production method and fireproof core technology, which is applied in the field of fireproof core board and its production, and fireproof core board materials for elevator doors, which can solve the problems of poor fire resistance and failure to reach A1 level, etc.

Inactive Publication Date: 2015-09-30
四川中科电梯有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The fire door core board has stable physical properties, good flexural and bending resistance, but its fire resistance is poor and cannot reach A1 level

Method used

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  • Fire-proof core veneer material for elevator door, fire-proof core veneer and production method of fire-proof core veneer
  • Fire-proof core veneer material for elevator door, fire-proof core veneer and production method of fire-proof core veneer

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Experimental program
Comparison scheme
Effect test

Embodiment

[0038] A, take perlite 30.3%, magnesia 21.1%, fireproof styrofoam 3.2%, A75 glue 45.4% by weight percentage, and get the elevator door panel ready;

[0039] B. Stirring the mixture: at room temperature, add perlite, magnesium oxide, and fireproof foam glue to A75 glue, and stir evenly to obtain a fireproof mixture;

[0040] C. Filling material: Pour the fireproof mixture into the elevator door panel, heat and press for 30 minutes, the temperature is controlled at about 80°C, and the pressure is 8 tons;

[0041] D. Natural curing: After heating and pressing, the fire-resistant mixture is formed into a fire-resistant core board, and then the formed fire-resistant core board is left to stand for three days under natural ventilation to obtain a fire-resistant core board product;

[0042] E. Protection measures: After the elevator door panel is filled with fireproof core board products, the surface of the fireproof core board is covered with a 0.5mm thick steel plate, and then the ...

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Abstract

The invention discloses a fire-proof core veneer material for an elevator. The fire-proof core veneer material comprises the following materials by weight: 25 to 36 percent of pearlite, 40 to 52 percent of A75 glue, 16 to 27 percent of magnesium oxide, and 1 to 5.5 percent of fire-proof styrofoam. The invention further provides a production method of a fire-proof core veneer; the fire-proof core veneer made of the fire-proof core veneer material is relatively high in fire resistance, and can reach the A1 grade. Exhaust emission is avoided during the production of the fire-proof core veneer according to the production method, so as to meet the requirement of green development. The invention further provides the fire-proof core veneer.

Description

technical field [0001] The invention belongs to the technical field of fireproof core board materials for elevator doors, and in particular relates to a fireproof core board material for elevator doors, a fireproof core board and a manufacturing method thereof. Background technique [0002] Fire doors are doors made of fire-resistant and flame-retardant materials with fire-resistant stability, integrity and heat insulation. It can prevent the spread of flames and prevent the flow of combustion smoke in the event of a fire, and it can also be used as a seal when the positive air supply system is working. Today, with the increasingly mature fire protection technology, buildings with fire protection requirements have fire doors. At present, most fire protection design codes in China clearly require the use of fire doors. The research, development and production of fire door products have played a positive role in ensuring the safety of people's lives and property. China's fir...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B38/02C04B28/10
Inventor 王小平赵忠义
Owner 四川中科电梯有限公司
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