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A polystyrene lightweight energy-saving concrete block and its preparation method

A concrete block and polystyrene technology, applied in the field of building materials, can solve the problems of high production energy consumption, high transportation costs, occupation, etc., and achieve the effect of good physics and no discharge of three wastes

Inactive Publication Date: 2015-11-04
GUANGXI UNIVERSITY OF TECHNOLOGY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The production of these traditional building materials consumes a lot of energy, and both material acquisition and production will occupy and destroy the area of ​​cultivated land. The consumption is large, the transportation cost is high, and the thermal insulation performance is poor. Therefore, there is an urgent need for new thermal insulation building materials.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0023] A kind of polystyrene lightweight energy-saving concrete block and its preparation method, take 450g of cementing material, of which cement cementing material accounts for 30%, fly ash, mineral powder composite cementing material accounts for 70% (fly ash, Mineral powder is compounded in a ratio of 1:1), sand 1350g, activator 13.5g, water reducer (MN-II type) 2.25g, the ratio of water and cementitious material is controlled to 0.4, water-based epoxy resin is mixed The amount is 0.3% of the cementitious material, the ratio of epoxy resin and curing agent in the water-based epoxy resin is 4:1, polystyrene particles are used as lightweight aggregate, and the addition amount is 10% (2.52 g) The blending amount of polystyrene particle modifier triethanolamine is 6% (0.15 g) of the weight of the polystyrene particles. Add the polystyrene particle modifier triethanolamine to the water, spray evenly on the surface of the polystyrene with a watering can, modify the polystyrene pa...

Embodiment 2

[0025] A kind of polystyrene lightweight energy-saving concrete block and its preparation method, take 450g of cementing material, of which cement cementing material accounts for 30%, fly ash, mineral powder composite cementing material accounts for 70% (fly ash, Mineral powder is compounded in a ratio of 1:1), sand 1350g, activator 13.5g, water reducer (MN-II type) 2.25g, the ratio of water and cementitious material is controlled to 0.4, water-based epoxy resin is mixed The amount is 0.3% of the cementitious material, the ratio of epoxy resin and curing agent in the water-based epoxy resin is 4:1, polystyrene particles are used as light aggregate, and the mixing amount is 15% (3.78 g); The blending amount of polystyrene particle modifier triethanolamine is 6% (0.23g) of the weight of the polystyrene particles. Add the polystyrene particle modifier triethanolamine to the water, spray evenly on the surface of the polystyrene particles with a watering can, modify the polystyrene ...

Embodiment 3

[0027] A polystyrene lightweight energy-saving concrete block and a preparation method thereof, wherein the ratio of cement: fly ash: mineral powder is 2:1:1; and the ratio of water: sand: cementitious material is 1.5:1. Polystyrene particles are used as lightweight aggregates, and the addition amount is 35% of the volume of concrete; the addition amount of polystyrene particle modifier triethanolamine is 6% of the weight of the polystyrene particles; the addition amount of water-based epoxy resin It is 0.3% of the cementitious material (epoxy resin: curing agent ratio is 4:1); the amount of water-reducing agent is 0.5% of the cementitious material; activator Na 2 SO 4 The dosage is 3% of the cementitious material. Weigh according to the above mixing ratio: polystyrene particles 119.43 g, triethanolamine 7.71 g, epoxy resin 28.23 g, curing agent 7.1 g, cement 2822.6 g, sand 8467.8 g, water 2371 g, water reducing agent (MN-II type ) 28.23 g, fly ash 1411.3 g, mineral powder 1411...

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Abstract

The invention provides a polystyrene light energy-saving concrete block and a preparation method thereof. The concrete block comprises a gel material, polystyrene particles, a polystyrene granule modifier, a polymer, sands, a water reducer, an excitant and water, wherein the gel material comprises cement, coal ash and mineral powder; the polymer is water-based epoxy resin; the polystyrene granule modifier is triethanolamine; the excitant is Na2SO4. According to the invention, an energy-saving and waste-recycling novel wall body material with good physical, mechanical and thermal performances is developed by adopting materials such as light granular materials, organic polymers, industrial waste residues, cement, excitant and additive by means of adjusting the mix proportion of the raw materials and the additive according to a common concrete block production process.

Description

Technical field [0001] The invention relates to the technical field of building materials, in particular to a polystyrene lightweight energy-saving concrete block and a preparation method thereof. Background technique [0002] In the construction industry, clay bricks and ceramsite concrete blocks have always been the main materials for building walls. The production of these traditional building materials consumes a lot of energy, the materials and production will occupy and destroy the cultivated area, the amount is large, the transportation cost is high, and the thermal insulation performance is poor. Therefore, there is an urgent need for new thermal insulation building materials. [0003] Polystyrene is a thermal insulation building material that has been widely used in recent years. There are two ways to use this material, one is for external wall insulation, which is to adhere polystyrene board to the outer wall surface of the house; the other is to use polystyrene wall blo...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C04B28/08C04B16/04C04B24/28
Inventor 吴辉琴董健苗彭杰吴超
Owner GUANGXI UNIVERSITY OF TECHNOLOGY