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Vermiculite-based sandwich structure type non-combustible plate and preparation method of the plate

A sandwich structure, vermiculite-based technology, applied in the direction of chemical instruments and methods, manufacturing tools, building structures, etc., can solve the problem of poor quality and environmental protection of sandwich panels, low strength of fireproof insulation boards, unsuitable for wide use, etc. problems, to achieve the effect of good construction and high strength

Active Publication Date: 2014-02-12
BEIJING INSTITUTE OF TECHNOLOGYGY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to provide a non-combustible board with a vermiculite-based sandwich structure and its preparation method in order to solve the problems that the existing extruded vermiculite fireproof insulation board is not high in strength, the sandwich board quality and environmental protection are poor, and it is not suitable for wide use.

Method used

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  • Vermiculite-based sandwich structure type non-combustible plate and preparation method of the plate
  • Vermiculite-based sandwich structure type non-combustible plate and preparation method of the plate
  • Vermiculite-based sandwich structure type non-combustible plate and preparation method of the plate

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0026] Step 1. Preparation of ultra-thin vermiculite-based fireproof board

[0027] Fully stir 6.0kg magnesium oxide, 4.5kg magnesium chloride, 0.5kg magnesium sulfate, 11.0kg water, 0.7kg aluminum dihydrogen phosphate, 1.0kg trisodium phosphate, 3.0kg vermiculite powder, 0.15kg fly ash and 30g glass fiber silk , forming a slurry. Then the slurry and the glass fiber mesh cloth are machine rolled and cured to obtain a finished 4mm thick ultra-thin vermiculite-based fireproof board.

[0028] Step 2. Preparation of expanded vermiculite fireproof insulation board

[0029] Mix 10.0kg of water glass solution and 1.7kg of lithium silicate solution evenly, heat to 65°C, add 1.5kg of silica sol to it while stirring, stir well to mix evenly, continue heating for 0.5-1h, stop heating, and cool to room temperature . Then add 150g of methyl hydrogen-containing silicone oil emulsion and 150g of methyl hydroxy silicone oil emulsion therein, and stir evenly. Add 50g of potassium dihydroge...

Embodiment 2

[0035] Step 1. Preparation of ultra-thin vermiculite-based fireproof board

[0036] Fully stir 6.2kg magnesium oxide, 4.3kg magnesium chloride, 0.8kg magnesium sulfate, 11.5kg water, 0.9kg aluminum dihydrogen phosphate, 1.0kg trisodium phosphate, 3.3kg vermiculite powder, 0.15kg fly ash and 35g glass fiber silk , forming a slurry. Then the slurry and the glass fiber mesh cloth are machine rolled and cured to obtain a finished 4mm thick ultra-thin vermiculite-based fireproof board.

[0037] Step 2. Preparation of expanded vermiculite fireproof insulation board

[0038] Mix 10.0kg of water glass solution and 1.7kg of lithium silicate solution evenly, heat to 65°C, add 1.5kg of silica sol to it while stirring, stir well to mix evenly, continue heating for 0.5-1h, stop heating, and cool to room temperature . Then add 150g of methyl hydrogen-containing silicone oil emulsion and 150g of methyl hydroxy silicone oil emulsion therein, and stir evenly. Add 50g of potassium dihydroge...

Embodiment 3

[0045] Step 1. Preparation of ultra-thin vermiculite-based fireproof board

[0046] Fully stir 6.3kg magnesium oxide, 4.1kg magnesium chloride, 1.1kg magnesium sulfate, 11.3kg water, 0.7kg aluminum dihydrogen phosphate, 1.0kg trisodium phosphate, 3.0kg vermiculite powder, 0.15kg fly ash and 35g glass fiber silk , forming a slurry. Then the slurry and the glass fiber mesh cloth are machine rolled and cured to obtain a finished 4mm thick ultra-thin vermiculite-based fireproof board.

[0047]Step 2. Preparation of expanded vermiculite fireproof insulation board

[0048] Mix 10.5kg of water glass solution and 1.8kg of lithium silicate solution evenly, heat to 65°C, add 1.6kg of silica sol to it while stirring, stir well to mix evenly, continue heating for 0.5-1h, stop heating, and cool to room temperature . Then add 150g of methyl hydrogen-containing silicone oil emulsion and 150g of methyl hydroxy silicone oil emulsion therein, and stir evenly. Add 55g of potassium dihydrogen...

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Abstract

The invention relates to a compound plate and a preparation method of the plate, particularly relates to a vermiculite-based sandwich structure type non-combustible plate and a preparation method of the plate, and belongs to the crossing field of fire science and building and ornament materials. The vermiculite-based sandwich structure type non-combustible plate comprises an expanded fireproof heat-insulation vermiculite plate and an ultrathin fireproof vermiculite-based plate, and the ultrathin fireproof vermiculite-based plate is compounded on the surface layer of the fireproof heat-insulation expanded vermiculite plate. The preparation method of the vermiculite-based sandwich structure type non-combustible plate comprises the steps: compounding the expanded fireproof heat-insulation vermiculite plate and the ultrathin fireproof vermiculite-based plate through an adhesive, and compounding in a single layer manner or in an upper-lower surface layer manner according to the demand. According to the preparation method of the vermiculite-based sandwich structure type non-combustible plate, provided by the invention, the expanded fireproof heat-insulation vermiculite plate and the ultrathin fireproof vermiculite-based plate are compound, the thickness of the ultrathin fireproof vermiculite-based plate is 4mm, and the thickness of the expanded fireproof heat-insulation vermiculite plate is 12mm, and thus a sandwich structure is formed. The vermiculite-based sandwich structure type non-combustible plate has multiple functions of high strength, fireproof performance, moisture prevention, water resistance, heat insulation, sound insulation and the like.

Description

technical field [0001] The invention relates to a composite board and a preparation method thereof, in particular to a non-combustible board with a vermiculite-based sandwich structure and a preparation method thereof, which belongs to the intersection field of fire science and building decoration materials. Background technique [0002] With the rise of the construction industry and the increase of high-rise buildings, there have been new problems in fire safety. People's requirements for living environment are getting higher and higher, and the fire performance of indoor decoration materials such as interior decorative panels and detachable furniture needs to be further improved. At present, the commonly used materials for interior decoration walls mainly include wall bricks, wood plywood, density boards, and wallpapers. The commonly used materials for furniture and kitchen utensils mainly include plywood, MDF and plywood. Although these materials are used in a wide rang...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B32B33/00B32B13/02B32B13/14B32B17/02B32B17/06B32B37/12E04F13/075C04B28/32B28B1/52B28B3/12
Inventor 刘吉平刘凯
Owner BEIJING INSTITUTE OF TECHNOLOGYGY
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