Preparation method of fireproof door core plate

A technology of fire door core and magnesium sulfate, which is applied in the field of building materials, can solve the problems of shortening the service life of fire doors, corroding steel plates, absorbing moisture, etc., and achieves the effects of light bulk density, improved service life and simple production process

Inactive Publication Date: 2020-04-21
福建省恒业金属门窗制造有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

But the disadvantage is that magnesium chloride and halogen sheet materials contain a large amount of chloride ions. Chloride ions are prone to m

Method used

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  • Preparation method of fireproof door core plate

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Effect test

Embodiment 1

[0026] A preparation method for a fire door core material, comprising the following steps:

[0027] Step 1, dissolving magnesium sulfate crystals with water to a concentration of 26-30 μM to obtain magnesium sulfate solution; select the following raw materials in parts by weight: 100 parts of magnesium oxide, 150 parts of magnesium sulfate solution, 1.5 parts of modifier, 1 part of reinforcing agent, 1 part of polypropylene fiber; the selected raw materials are poured into a mixer and stirred evenly to obtain a raw slurry; wherein the foaming agent is a biological protein foaming agent. The modifying agent is one or more mixtures of oxalic acid, citric acid and trisodium phosphate. The reinforcing agent is silicon dioxide.

[0028] Step one is specifically:

[0029] First take 150 parts of magnesium sulfate solution, 1.5 parts of modifier, 1 part of reinforcing agent, and 1 part of polypropylene fiber and pour them into a mixer for uniform stirring; then add 100 parts of mag...

Embodiment 2

[0034] A preparation method for a fire door core material, comprising the following steps:

[0035] Step 1, dissolving magnesium sulfate crystals with water to a concentration of 26-30 μM to obtain a magnesium sulfate solution; select the following raw materials in parts by weight: 150 parts of magnesium oxide, 180 parts of magnesium sulfate solution, 1.8 parts of a modifier, 1.5 parts of a reinforcing agent, 1.5 parts of polypropylene fiber; the selected raw materials are poured into a mixer and stirred evenly to obtain a raw slurry; wherein the foaming agent is a biological protein foaming agent. The modifying agent is one or more mixtures of oxalic acid, citric acid and trisodium phosphate. The reinforcing agent is silicon dioxide.

[0036] Step one is specifically:

[0037] First take 180 parts of magnesium sulfate solution, 1.8 parts of modifier, 1.5 parts of reinforcing agent, and 1.5 parts of polypropylene fiber and pour them into a mixer for uniform stirring; then ad...

Embodiment 3

[0042] A preparation method for a fire door core material, comprising the following steps:

[0043] Step 1, dissolving magnesium sulfate crystals with water to a concentration of 26-30 μM to obtain magnesium sulfate solution; select the following raw materials in parts by weight: 160 parts of magnesium oxide, 200 parts of magnesium sulfate solution, 3 parts of modifier, 2 parts of reinforcing agent, 2 parts of polypropylene fibers; the selected raw materials are poured into a mixer for uniform stirring to obtain raw slurry; wherein the foaming agent is a biological protein foaming agent. The modifying agent is one or more mixtures of oxalic acid, citric acid and trisodium phosphate. The reinforcing agent is silicon dioxide.

[0044] Step one is specifically:

[0045] First take 200 parts of magnesium sulfate solution, 3 parts of modifier, 2 parts of reinforcing agent, and 2 parts of polypropylene fiber, pour them into a mixer and stir evenly; then add 160 parts of magnesium ...

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Abstract

The invention relates to the technical field of building materials, and concretely relates to a preparation method of a fireproof door core material. The preparation method comprises the following steps: dissolving magnesium sulfate crystals in water to obtain a magnesium sulfate solution with the concentration of 26-30 [mu]m; selecting the following raw materials, by weight, 100-160 parts of magnesium oxide, 150-200 parts of the magnesium sulfate solution, 1.5-3 parts of a modifier, 1-2 parts of a reinforcing agent and 1-2 parts of polypropylene fibers; uniformly stirring the selected raw materials to obtain a raw slurry; selecting 1-2 parts of a foaming agent, adding water according to a ratio of 1:40, performing foaming treatment, and adding the foamed water into the raw slurry after foaming to obtain a door core plate slurry; and pouring the door core plate slurry into a forming die, and curing the door core plate slurry to obtain the fireproof door core material. The fireproof door core material has the advantages of being simple in production process, convenient to produce and process, good in fireproof performance, capable of saving energy, environmentally friendly and the like.

Description

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Claims

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Application Information

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Owner 福建省恒业金属门窗制造有限公司
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