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a fireproof board

A technology for fireproof boards and substrates, applied in the field of fireproof boards, can solve the problems of poor high temperature resistance of acrylic latex of fireproof boards, delamination of fireproof boards, and difficulty in bonding steel plates, so as to improve mechanical strength and acid and alkali resistance, avoid The effect of cracking and eliminating large bubbles

Active Publication Date: 2016-06-08
江苏鑫美新材料科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Chinese patent CN102417323B discloses a silicon-aluminum-magnesium fireproof board. The fireproof board provided by this invention has better fireproof performance than the traditional glass magnesium fireproof board, but the core board is made of aluminum silicate fiber material, which has a large capacity and low strength. , Corrosion of steel plates, strong water absorption and difficult to bond with steel plates, high cost, fibers and back halogen will be generated during use, which will cause damage to human health
However, the adhesive acrylic latex contained in the fireproof board has poor high temperature resistance, which may cause the fireproof board to delaminate and fall off in a fire, thus limiting its use

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0032] A fire-proof board, the core layer is an aluminum-magnesium alloy plate, the flame-retardant layer is an ammonium polyphosphate flame-retardant layer, and the finishing layer is a fluorocarbon coating. The core layer is placed between the upper and lower layers of the fire-resistant substrates. The flame retardant layer is coated on the side of the fireproof substrate away from the core layer, and the finishing layer is coated on the side of the fireproof layer away from the fireproof substrate; wherein, the fireproof substrate includes the following by weight: Each component:

[0033]

[0034] According to the standard set by GBT202842006, the fireproof board prepared in Example 1 was tested, and after 7600s, there was no phenomenon of burning, deformation and delamination. In addition, after the above-mentioned fireproof boards were continuously used for 8500s in the environment of pH 5.5 and 8, respectively, there was no surface corrosion and discoloration, showin...

Embodiment 2

[0036] Other components are the same as in Example 1 in the fireproof board. The fireproof substrate includes the following components by weight:

[0037]

[0038] According to the standard set by GBT202842006, the fireproof board prepared in Example 2 was tested, and after 7000s, there was no phenomenon of burning, deformation and delamination. In addition, after the above-mentioned fireproof boards were continuously used for 7200s in the environment of pH 5.5 and 8, respectively, there was no surface corrosion and discoloration, showing good acid and alkali corrosion resistance.

Embodiment 3

[0040] Other ingredients are the same as in Example 1 in the fireproof board. The fireproof substrate includes the following components by weight:

[0041]

[0042] According to the standard set by GBT202842006, the fireproof board prepared in Example 3 was tested, and after 7200s, there was no phenomenon of burning, deformation and delamination. In addition, after the above-mentioned fireproof boards were continuously used for 7500s in the environment of pH 5.5 and 8, respectively, there was no surface corrosion and discoloration, showing good acid and alkali corrosion resistance.

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Abstract

An HPL (decorative high-pressure laminate) comprises fire-proof base plates, a core layer, flame-retardant layers and coating layers, wherein the core layer is arranged between the fire-proof base plates on the upper layer and the lower layer; one side, far away from the core layer, of each fire-proof base plate is coated with one flame-retardant layer; one side, far away from the corresponding fire-proof base plate, of each flame-retardant layer is coated with one coating layer; the core layer is an aluminium magnesium alloy board; the flame-retardant layers are ammonium polyphosphate flame-retardant layers; the coating layers are fluorocarbon coatings; each fire-proof base plate comprises components in parts by weight as follows: 80-100 parts of brucite, 20-40 parts of polytetrafluoroethylene, 10-30 parts of antimonous oxide, 30-60 parts of kieselguhr, 50-80 parts of silica aerogel, 10-30 parts of an adhesive, 10-30 parts of staple fibers, 0.5-8 parts of a defoaming agent, 0.5-8 parts of a waterproof agent and 8-15 parts of water. The HPL has excellent acid and alkaline corrosion resistance as well as good fire-proof and flame-retardant performance.

Description

technical field [0001] The invention belongs to the field of fireproof building materials, and in particular relates to a fireproof board. Background technique [0002] Fireproof board is also known as fireproof board, its scientific name is thermosetting resin impregnated paper high-pressure laminated board, and its English abbreviation is HPL (Decorative High-Pressure Laminate). The general fireproof board is made of base paper (titanium powder paper, kraft paper) through the impregnation process of melamine and phenolic resin, under high temperature and high pressure. After thermosetting, melamine resin has high surface hardness, wear resistance, high temperature resistance, impact resistance, small surface pores and is not easy to be polluted, and has solvent resistance, water resistance, chemical resistance, flame resistance and other mechanical strength. Phenolic resin forms extremely high density after thermosetting molding, and has logistics characteristics such as ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B32B15/085B32B27/18B32B27/06B32B27/32B32B9/00B32B33/00C04B26/20
CPCB32B9/00B32B15/085B32B27/06B32B27/18B32B27/322B32B33/00B32B2307/50B32B2307/752C04B26/20
Inventor 魏锋
Owner 江苏鑫美新材料科技有限公司
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