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Water-based Inorganic Fireproof Styrofoam

A styrofoam, water-based technology, applied in the direction of inorganic adhesives, adhesives, epoxy resin glue, etc., can solve the problems of far difference and achieve the effect of strong adhesion

Inactive Publication Date: 2016-03-30
曹大庆
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although "polyurethane flame-retardant foaming rubber" has appeared on the market, it has the function of self-extinguishing when it is away from the fire, but it is far from the national current GB8624-2006 "Classification of Combustion Behavior of Building Materials and Products" A1 level, 1100 ° C for one and a half hours without burning, GB / 20285-2006 "Material Smoke Toxicity Hazard Classification" AQ1 level indicators are still far behind

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0028] To prepare 1000kg of two-component water-based inorganic fireproof foam adhesive, the technological process is as follows:

[0029] Step 1: Add 400kg of water into a 2000L glass-lined reactor, and heat the water to a temperature between 70°C and 100°C;

[0030] Step 2: Pour 100kg of expanded perlite of 1500-2000 mesh and 200kg of expanded vermiculite as inorganic composite filling powder into a high-speed centrifuge, set the speed at 450-550 rpm, and disperse for 8-12 minutes. Then add 3 kg of water-based coupling agent, pour it into the feeding port of the centrifuge, set the speed at 700-900 rpm, and disperse for 15-25 minutes, and carry out dispersion modification coating treatment on the inorganic composite filling powder;

[0031] Step 3: Pour 303kg of the above-mentioned inorganic composite filling powder coated with the coupling agent into the reaction kettle, set the rotation speed at 270-330 rpm, and the dispersion time at 25-35min;

[0032] Step 4: Add 274kg ...

Embodiment 2

[0038] Then prepare 1000kg of two-component water-based inorganic fireproof foam glue, and the technological process is as follows:

[0039] Step 1: Add 500kg of water into a 2000L glass-lined reactor, and heat the water to a temperature between 70°C and 100°C;

[0040] Step 2: Pour 200kg of 2000-mesh sepiolite fiber into a high-speed centrifuge as an inorganic composite filling powder, set the speed at 550 rpm, and disperse for 10 minutes, then add 4kg of water-based coupling agent, and pour it into the centrifuge In the feeding port of the machine, the speed is set at 700-900 rpm, the dispersion time is 15-25min, and the inorganic composite filling powder is dispersed, modified and coated;

[0041]Step 3: Pour 204kg of the above-mentioned inorganic composite filling powder coated with the coupling agent into the reaction kettle, set the rotation speed at 320 rpm, and the dispersion time at 35 minutes;

[0042] Step 4: Add 250 kg of water glass with a solid content of 48% in...

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Abstract

The invention relates to an aqueous inorganic and fireproof foam adhesive. The foam adhesive is characterized by comprising a component A and a component B, wherein the component A consists of the following raw materials in percentage by weight: 25-50% of aqueous composite film forming matters, 20-40% of inorganic composite filling powder, 2-5% of anti-crack fibers and 0.3-1% of coupling agent, 0.02-5% of multifunctional compound additives and 25-50% of water; the component B consists of the following raw materials in percentage by weight: 0.1-0.3% of foaming agent and 0.01-0.03% of the coupling agent; and the total sum of the component A and the component B is 100%. The foam adhesive is prepared by utilizing a centrifugal machine and a reaction kettle according to the steps. The aqueous inorganic and fireproof foam adhesive has the advantages of high-temperature resistance, fire proofing, no toxicity, relatively strong adhesive force and no corrosivity to metal plates; and relative national standards can be met, and the foam adhesive cannot be burnt within an hour and a half at 1100 DEG C. The aqueous inorganic and fireproof foam adhesive is taken as a substitute product of a polyurethane foam adhesive and is mainly applied to adhesives and filling agents for steel and wooden fireproof doors.

Description

technical field [0001] The invention relates to an adhesive, in particular to an inorganic water-based fireproof foaming glue which can be used for strong foaming and bonding of steel and wooden fireproof doors and a preparation method thereof. technical background [0002] At present, in the industry of steel and wooden fire doors, a kind of polyurethane foam that is neither fireproof nor environmentally friendly has been used in China. The flame retardancy of materials is generally expressed by the limiting oxygen index (LOI). A high limiting oxygen index indicates that the material is not easy to burn, and a low limiting oxygen index indicates that the material is easy to burn. It is generally considered that the limiting oxygen index is less than 22%. Between 22 and 27% are combustible materials, and the limiting oxygen index > 27 is a flame retardant material. The oxygen content in the air is 21%. When the limiting oxygen index of some substances is below 21%, in a s...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09J201/00C09J1/02C09J163/00C09J11/04
Inventor 曹大庆刘自安刘铮
Owner 曹大庆