Fireproof flame-retardant inorganic coating

An inorganic coating, fire retardant technology, applied in the field of coatings, can solve the problems of poor fire retardant performance, inability to achieve, large thermal conductivity, etc.

Pending Publication Date: 2019-07-19
江门市涂霸建材实业有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] Aiming at the deficiencies of the prior art, the present invention provides a fire-resistant and flame-retardant inorganic coating, which solves the problem that the existing inorganic coating has poor fire-proof and flame-retardant performance, cannot achieve good resistance to external conventional fires, has a large thermal conductivity, The fire protection level is low, and the improvement of the internal components of the inorganic coating cannot be achieved to improve the fire resistance of the coating. Suppressing smoke, to block the problem of burning purpose

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0028] S1. First, pour 35 parts of silica sol and 35 parts of thermal insulation aggregate into the mixing mixer in turn, then add the corresponding proportion of clean water, and then stir at the speed of 450r / min and the temperature of 30°C. After 1.5 hours, the coating base material can be obtained, wherein the thermal insulation aggregate is a composition of expanded perlite, expanded vermiculite, diatomaceous earth, fly ash hollow microspheres and sepiolite powder;

[0029] S2, add 15 parts of chlorinated paraffins selected in the coating base material that S1 obtains, stir 35min with the rotating speed of 550r / min, then add 2.5 parts of foaming catalysts selected in the mixing tank, and then use the rotating speed as 550r / min Stir at a rotating speed for 45 minutes, so that the chlorinated paraffin can be fully catalyzed and foamed, thereby obtaining the initial mixed coating, wherein the foaming catalyst is a composition of ammonium polyphosphate and ammonium sulfate;

...

Embodiment 2

[0034] S1. First, pour 30 parts of silica sol and 30 parts of thermal insulation aggregate into the mixing mixer in turn, then add the corresponding proportion of clean water, and then stir at a speed of 400r / min and a temperature of 25°C. 1h, the coating base material can be obtained, and the thermal insulation aggregate is expanded perlite powder;

[0035] S2. Add 10 parts of chlorinated paraffins to the paint base material obtained in S1, stir for 30 minutes at a speed of 500r / min, then add 2 parts of foaming catalysts to the mixing tank, and then stir at a speed of 500r / min. Stir at a rotating speed for 40 minutes, so that the chlorinated paraffin can be fully catalyzed and foamed, so as to obtain the initial mixed coating, wherein the foaming catalyst is ammonium polyphosphate;

[0036] S3. Then add 1 part of the selected flame retardant to the initial mixed coating obtained in S2, and add corresponding proportions of clear water at the same time, and stir at a speed of 6...

Embodiment 3

[0040] S1. First, pour 40 parts of silica sol and 40 parts of thermal insulation aggregate into the mixing mixer in sequence, then add the corresponding proportion of clean water, and then stir at a speed of 500r / min and a temperature of 35°C. 2h, the coating base material can be obtained, wherein the thermal insulation aggregate is a composition of expanded perlite and sepiolite powder;

[0041] S2, add 20 parts of chlorinated paraffins selected in the coating base material that S1 obtains, stir 40min with the rotating speed of 600r / min, then add 3 parts of foaming catalysts selected in the mixing tank, and then with the rotating speed of 600r / min Stir at a rotating speed for 50 minutes, so that the chlorinated paraffin can be fully catalyzed and foamed, so as to obtain the initial mixed coating, wherein the foaming catalyst is ammonium sulfate;

[0042] S3, then add the selected 3 parts of flame retardant to the initial mixed coating obtained in S2, and add corresponding pro...

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Abstract

The invention discloses a fireproof flame-retardant inorganic coating. Raw materials of the inorganic coating comprise, in parts by weight, 30-40 parts of silica sol, 30-40 parts of heat insulation aggregate, 5-10 parts of titanium dioxide, 10-20 parts of chlorinated paraffin, 2-3 parts of a foaming catalyst, 1-3 parts of a flame retardant, 1-3 parts of a thickening agent and the balance of clearwater, wherein the heat insulation aggregate is one or a combination of more of expanded perlite, expanded vermiculite, diatomite, fly ash hollow microspheres or sepiolite powder. The invention relates to the technical field of coatings. The fireproof flame-retardant inorganic coating Can well resist external conventional fire disasters, and achieves the purpose of improving the fire resistance ofthe coating through improvement of internal components of the inorganic coating, thus the heat conductivity coefficient is substantially reduced, the fire resistance grade is improved, and further the fire resistance and the fire retardation of the inorganic coating material are enhanced. An inorganic glazed body is formed through an endothermic reaction when meeting fire so as to isolate the air, and the purposes of non-combustible gas emission through decomposition, smoke abatement and combustion blocking are well achieved.

Description

technical field [0001] The invention relates to the technical field of coatings, in particular to a fire-resistant and flame-retardant inorganic coating. Background technique [0002] Inorganic coatings refer to inorganic mineral coatings, which are widely used in daily life fields such as architecture and painting. Inorganic coatings are coatings with inorganic materials as the main film-forming substance. Commonly used coatings in construction engineering are alkali metal silicate aqueous solutions and colloidal di The aqueous dispersion of silicon oxide can be made into silicate and silica sol (colloidal silicon dioxide) inorganic coatings by using the above two film formers, and then add pigments, fillers and various additives to make silicate And silica sol (colloidal silica) inorganic coatings have good water resistance, alkali resistance, pollution resistance and gas resistance. Inorganic coatings are composed of inorganic polymers and dispersed and activated metals, ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D1/00C09D5/18C09D7/61C09D7/65
CPCC09D1/00C09D5/18C09D7/61C09D7/65
Inventor 梁传福
Owner 江门市涂霸建材实业有限公司
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