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A kind of magnesium gel material, preparation method and application for preparing glass magnesium plate

A gel material and magnesia technology, applied in the field of magnesia gel material, preparation, and preparation of glass magnesium plate, can solve the problems of poor water resistance, cracking, easy to warp, etc., to improve water resistance, compact internal structure, long-term Stable performance

Active Publication Date: 2022-04-15
陕西维安建筑科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] In view of the defects and deficiencies of the prior art, the purpose of the present invention is to provide a magnesium gel material, a preparation method and an application for preparing a glass magnesium plate, so as to solve the problem that the existing glass magnesium plate has poor water resistance and is easy to warp and crack The problem

Method used

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Examples

Experimental program
Comparison scheme
Effect test

preparation example Construction

[0028] The preparation process of the phenolic resin foamed glass magnesium flat plate of the present invention, at first determines the quality of each raw material according to the density, size and quality of the prepared board; Keep warm at 50~70°C for 2~4h, add magnesia cement slurry and mix; enter the board making stage, which mainly includes laying mesh cloth, setting thickness and molding, etc. Remove the mold, and then maintain under natural conditions until the moisture content meets the requirements, generally the moisture content is less than 8%, and the glass magnesium plate is obtained.

[0029] During the preparation process of the glass magnesium flat plate of the present invention, the foaming temperature of the phenolic resin is preferably 70°C.

Embodiment 1

[0032] In this example, a white plate of 2440mm×1220mm×15mm is produced, the density of the plate is 900kg / m³, the total mass of the plate is about 40.2kg, and the ratio of raw materials is as follows:

[0033] Magnesium oxide 11.75kg, magnesium chloride 7.05kg, water 10.575kg, filler heavy calcium powder 5.875kg, phenolic resin 4.7kg, blowing agent n-pentane 0.132kg, catalyst phosphoric acid 0.47kg, PP fiber 0.235kg. The quality of foamed phenolic resin accounts for 15.7% of the quality of magnesia cement in the present embodiment.

[0034] Mix magnesia, magnesium chloride, and water to form magnesia cement slurry, mix phenolic resin, foaming agent, catalyst and toughening agent, keep warm at 70°C for 2 hours, add magnesia cement slurry and mix; lay grid cloth 1. Preliminary curing at 55°C for 24 hours after the thickness setting and forming, demoulding, and then curing under natural conditions until the moisture content is less than 8%, and the glass magnesium plate required...

Embodiment 2

[0037] In this example, a red plate of 2440mm×1220mm×15mm is produced, the density of the plate is 600kg / m³, the total mass of the plate is about 26.8kg, and the ratio of raw materials is as follows:

[0038] Magnesium oxide 7.875kg, magnesium chloride 4.725kg, water 7.1kg, filler heavy calcium powder 3.94kg, phenolic resin 3.15kg, blowing agent n-pentane 0.22kg, catalyst phosphoric acid 0.315kg, glass fiber 0.235kg, iron oxide red pigment 0.13kg . The quality of foamed phenolic resin accounts for 16.58% of the quality of magnesia cement in the present embodiment.

[0039] The preparation process of the glass magnesium plate of this embodiment is the same as that of Embodiment 1. The performance test of the glass magnesium flat plate prepared in this embodiment is shown in Table 1.

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PUM

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Abstract

The invention discloses a magnesium gel material, a preparation method and an application for preparing a glass magnesium plate. The phenolic resin foamed glass magnesium plate includes magnesium cement and foamed phenolic resin, and the foamed phenolic resin includes phenolic resin, foamed Foaming agent, catalyst and toughening agent. During preparation, mix phenolic resin, foaming agent, catalyst and toughening agent, keep warm at 50-70°C for 2-4 hours, add magnesia cement slurry and mix; Then maintain under natural conditions until the moisture content meets the requirements, and the glass magnesium plate is obtained. The present invention mixes the foamed phenolic resin with magnesium cement, utilizes the water resistance, cohesive force and fire resistance of the phenolic resin itself, makes the internal structure of the magnesium cement more dense, and greatly improves the water resistance and water resistance of the glass magnesium plate. Crack and fire resistance, long-term stable performance, can meet all the current performance requirements for glass magnesium panels for flue and exhaust ducts.

Description

technical field [0001] The invention belongs to the technical field of building materials, and in particular relates to a magnesium gel material, a preparation method and an application for preparing a glass magnesium plate. Background technique [0002] The glass magnesium plate is made by configuring and adding modifiers. It is a magnesium cementitious material with stable performance. Decorative materials, processed by special production technology, have the characteristics of fire prevention, waterproof, odorless, non-toxic, non-freezing, non-corrosion, non-cracking, unchanged, non-combustible, high strength and light weight, convenient construction, and long service life. Composite special performance among similar products. [0003] In order to reduce the weight of glass magnesium slabs, the current conventional practice is to use lightweight polystyrene particles, vitrified beads, wood chips, straw, and vermiculite as raw materials. Polyphenylene particles are organ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C04B38/10C04B28/32C04B28/30
CPCC04B28/32C04B28/30C04B2111/40C04B2201/50C04B2111/28C04B2111/27C04B24/302C04B14/28C04B18/08C04B18/141C04B16/0633C04B14/42C04B14/4643C04B24/00C04B2103/10C04B38/10
Inventor 谢诚
Owner 陕西维安建筑科技有限公司
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