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Method for preparing high-strength light insulating brick

A thermal insulation brick, high-strength technology, used in ceramic products, applications, household appliances, etc., can solve the problems of not meeting market requirements, increasing the weight of the brick body, poor thermal insulation, etc. The effect of layer spacing

Inactive Publication Date: 2018-07-03
陈毅忠
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0007] The technical problem to be solved by the present invention: aiming at the high specific gravity of sand and stone in the current ordinary heat preservation bricks, which will lead to the increase of the weight of the brick body, and the defects of low strength and poor heat preservation, which cannot meet the market requirements, a high-quality insulation brick is provided. Preparation method of strength and light weight insulation brick

Method used

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  • Method for preparing high-strength light insulating brick

Examples

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Effect test

example 1

[0023] Weigh 55g of aluminate cement and grind it for 10min, collect the ground powder, mix and stir the ground powder, acetone and phenol for 8min according to the mass ratio of 1:3:5, to obtain a stirring slurry, mix the silane coupling agent KH-560 and the stirring slurry Mix and stir for 10 minutes at a volume ratio of 1:5, place in an oven after mixing, and dry at a temperature of 85°C for 16 minutes, collect the dry matter and grind it through a 100-mesh sieve to obtain modified aluminate cement particles; by weight In terms of parts, weigh 7 parts of terephthalic acid, 1 part of antimony oxide, 8 parts of ethylene glycol and 21 parts of phosphoric acid, mix them in a beaker, and stir and react for 2 hours at a temperature of 200 ° C to obtain polyterephthalate Ethylene glycol formate, mix polyethylene terephthalate and 2 parts of quartz sand powder in a beaker, stir at 240°C for 35 minutes to obtain a modified polyester film melt; weigh 32g of kaolin Put it into a muffl...

example 2

[0025] Weigh 60g of aluminate cement and grind it for 11 minutes, collect the ground powder, mix and stir the ground powder, acetone and phenol for 9 minutes according to the mass ratio of 1:3:5, to obtain a stirring slurry, mix the silane coupling agent KH-560 and the stirring slurry Mix and stir for 11 minutes at a volume ratio of 1:5, place in an oven after mixing, and dry at a temperature of 87°C for 18 minutes, collect the dried material and grind it through a 100-mesh sieve to obtain modified aluminate cement particles; by weight In terms of parts, weigh 8 parts of terephthalic acid, 2 parts of antimony oxide, 9 parts of ethylene glycol and 3 parts of phosphoric acid, mix them in a beaker, and stir and react for 3 hours at a temperature of 220 ° C to obtain polyterephthalic For ethylene glycol formate, mix polyethylene terephthalate and 3 parts of quartz sand powder in a beaker, stir at 250°C for 40 minutes to obtain a modified polyester film melt; weigh 34g of kaolin Put ...

example 3

[0027] Weigh 65g of aluminate cement and grind it for 12 minutes, collect the ground powder, mix and stir the ground powder, acetone and phenol for 10 minutes according to the mass ratio of 1:3:5, to obtain a stirring slurry, mix the silane coupling agent KH-560 and the stirring slurry Mix and stir for 12 minutes at a volume ratio of 1:5, place in an oven after mixing, and dry at a temperature of 90°C for 20 minutes, collect the dry matter and grind it through a 100-mesh sieve to obtain modified aluminate cement particles; by weight In terms of parts, weigh 9 parts of terephthalic acid, 3 parts of antimony oxide, 10 parts of ethylene glycol, and 4 parts of phosphoric acid, mix them in a beaker, and stir and react for 4 hours at a temperature of 240 ° C to obtain polyterephthalate Ethylene glycol formate, mix polyethylene terephthalate and 4 parts of quartz sand powder in a beaker, stir at 260°C for 45 minutes to obtain a modified polyester film melt; weigh 36g of kaolin Put it...

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Abstract

The invention discloses a method for preparing a high-strength light insulating brick, belonging to the technical field of insulating brick preparation. The method comprises the following steps: firstly, the surface of aluminate cement is modified by utilizing a silane coupling agent; a silanol group is formed after an estersil group and water perform a hydrolysis reaction; pores inside an insulating brick are filled with particles; and since the binding force between two phases is greatly reinforced, a waste brick is crushed and ground to obtain waste brick powder, and the matrix structure isdensified in the process of reducing the granularity of waste brick powder particles, increasing the specific surface area and increasing the surface free energy. According to the method, a polyesterfilm is modified by utilizing quartz sand powder, the modified polyester film is coated to the surface of an insulating brick blank, and a network-shaped silicon-aluminum-oxygen compound-metakaolin is formed, and pores inside the insulating brick are effectively filled; furthermore, the filler is molten at high temperature to form a liquid phase, partial pores generated by a matrix can be filled,the heat conducting coefficient of the matrix can be reduced, and the insulating performance of the insulating brick can be further improved. The insulating brick has wide application prospect.

Description

technical field [0001] The invention discloses a preparation method of a high-strength light-weight insulating brick and belongs to the technical field of insulating brick preparation. Background technique [0002] Insulation brick, a new type of building material, is synthesized with polymer materials, and also processed with cinder and slag. It is mainly used for wall filling of buildings and buildings. It has the advantages of light weight, convenient construction, and heat preservation. It has become the main wall material of modern buildings. [0003] Insulation bricks in the existing building materials are mostly made of polystyrene-based polystyrene boards or mixed with fly ash, perlite, etc. to prepare insulation bricks. Polystyrene panels can only be used for external wall insulation, not for masonry main walls, and polystyrene is not flame retardant, so its scope of use is limited. [0004] At present, the thermal insulation materials using polystyrene board, den...

Claims

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Application Information

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IPC IPC(8): C04B38/00C04B28/06C04B41/63C04B20/04
CPCC04B20/04C04B28/06C04B41/009C04B41/4826C04B41/63C04B2111/40C04B2201/20C04B2201/32C04B2201/50C04B18/167C04B14/106C04B24/34C04B24/16C04B38/0074C04B41/4523C04B20/023
Inventor 陈毅忠杨明忠陈可
Owner 陈毅忠
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