Preparation method of modified facing tiles for building materials

A decorative brick and modified technology, which is applied in the field of building decoration materials, can solve the problems of increasing fire hazards, aging and decomposition, and pulverization of facing bricks, and achieve the effects of eliminating smoke, improving flame retardancy, and small thermal conductivity

Inactive Publication Date: 2018-12-21
丁红英
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] The current decorative bricks mainly use polymer emulsion as the cementing material and flexibility modifier. Such materials or products have good elasticity and flexibility, but there are two main problems: one is that the decorative bricks are mainly used as walls, etc. However, under the action of light, heat, water and the atmosphere, the organic gel components will gradually age and decompose in a short period of time, thus gradually losing their function, leading to the disintegration of the structure, making the facing brick chalking or shedding
The second is that the organic components of this kind of flexible facing brick account for a large proportion. These components have a low ignition point and are easy to burn. They can release a large amount of irritating and toxic gases when burning, which increases the danger of fire.

Method used

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  • Preparation method of modified facing tiles for building materials
  • Preparation method of modified facing tiles for building materials

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0018] Mix stearic acid and deionized water in a beaker at a mass ratio of 1:4, heat up to 61°C, and stir for 20 minutes to obtain a stirred liquid, then mix magnesium hydroxide and aluminum hydroxide at a mass ratio of 1: 2 Mix and grind for 10 minutes to obtain a mixed powder, continue to mix the mixed powder and the stirring solution at a mass ratio of 3:1, and stir for 38 minutes at a speed of 185r / min, dry and discharge, and obtain a modified mixed powder; press Mix and soak attapulgite and deionized water at a mass ratio of 1:7 for 9 days to remove sediment and impurities, then put the soaked attapulgite into a muffle furnace and calcinate at a temperature of 360°C 1.5h, naturally cooled to room temperature, and the calcined attapulgite was ground for 12 minutes and passed through a 100-mesh sieve, and stored in bags to obtain pretreated attapulgite; pretreated attapulgite, sodium dodecylbenzenesulfonate Mix with deionized water at a mass ratio of 5:1:3 and place in an u...

Embodiment 2

[0020] Mix stearic acid and deionized water in a mass ratio of 1:4, place in a beaker, heat up to 63°C, and stir for 25 minutes to obtain a stirred liquid, then mix magnesium hydroxide and aluminum hydroxide in a mass ratio of 1: 2 Mix and grind for 10 minutes to obtain a mixed powder, continue to mix the mixed powder and the stirring solution at a mass ratio of 3:1, and stir for 41 minutes at a speed of 195 r / min, dry and discharge, and obtain a modified mixed powder; press Mix and soak attapulgite and deionized water at a mass ratio of 1:7 for 10 days to remove sediment and impurities, then put the soaked attapulgite into a muffle furnace and calcinate at a temperature of 390°C 1.5h, naturally cooled to room temperature, and the calcined attapulgite was ground for 14min and passed through a 100-mesh sieve, stored in bags to obtain pretreated attapulgite; pretreated attapulgite, sodium dodecylbenzenesulfonate Mix with deionized water at a mass ratio of 5:1:3 and place in an u...

Embodiment 3

[0022] Mix stearic acid and deionized water in a mass ratio of 1:4, place in a beaker, heat up to 65°C, and stir for 30 minutes to obtain a stirred liquid, then mix magnesium hydroxide and aluminum hydroxide in a mass ratio of 1: 2 Mix and grind for 11 minutes to obtain a mixed powder, continue to mix the mixed powder and the stirring solution at a mass ratio of 3:1, and stir for 45 minutes at a speed of 205 r / min, dry and discharge, and obtain a modified mixed powder; press Mix and soak attapulgite and deionized water at a mass ratio of 1:7 for 10 days to remove sediment and impurities, then put the soaked attapulgite into a muffle furnace and calcinate at a temperature of 410°C 2h, naturally cooled to room temperature, and the calcined attapulgite was ground for 15 minutes and passed through a 100-mesh sieve, and stored in bags to obtain pretreated attapulgite; pretreated attapulgite, sodium dodecylbenzenesulfonate and Deionized water was mixed with a mass ratio of 5:1:3 and...

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Abstract

The invention discloses a preparation method of modified facing tiles for building materials. The method comprises the specific preparation steps: (1) mixing stearic acid and deionized water accordingto the mass ratio of 1: 4, putting the mixture into a beaker, heating up the beaker to the temperature of 61 DEG C to 65 DEG C, carrying out stirring for 20 to 30 minutes so as to obtain a stirred solution, mixing magnesium hydroxide and aluminum hydroxide according to the mass ratio of 1: 2, carrying out grinding and crushing for 10 to 11 minutes so as to obtain mixed powder, continuing to mix the mixed powder and the stirred solution according to the mass ratio of 3: 1, carrying out stirring for 38 to 45 minutes at the revolution rate of 185rpm to 205rpm, and carrying out drying and discharging, thereby obtaining modified mixed powder. The preparation method of the modified facing tiles for the building materials, disclosed by the invention, has the advantages of good aging resistance,high bond strength, difficulty in fall-off and high in closed pore rate, the facing tiles can be light in bulk weight and high in heat resistance and have very good heat-insulating property, the flameretardance is good, the flame retardant rating reaches 0 level, irritant gases are not easily generated, and thus, the facing tiles have a broad application prospect.

Description

technical field [0001] The invention belongs to the technical field of building decoration materials, and in particular relates to a preparation method of modified decorative bricks for building materials. Background technique [0002] The current decorative bricks mainly use polymer emulsion as the cementing material and flexibility modifier. Such materials or products have good elasticity and flexibility, but there are two main problems: one is that the decorative bricks are mainly used as walls, etc. However, under the action of light, heat, water and the atmosphere, the organic gel components will gradually age and decompose in a short period of time, thus gradually losing their function, leading to the disintegration of the structure, making the facing brick Chalking or peeling off. The second is that the organic components of this flexible facing brick account for a large proportion. These components have a low ignition point and are easy to burn, and can release a la...

Claims

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Application Information

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IPC IPC(8): C04B30/00E04F13/072
CPCC04B30/00C04B2201/50E04F13/072C04B24/085C04B22/066C04B22/06C04B14/102C04B24/20C04B14/28C04B24/2641C04B24/00
Inventor 丁红英
Owner 丁红英
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