Geopolymer dry powder regenerated polystyrene heat preservation and heat insulating mortar

A technology for regenerating polystyrene and geopolymers, applied in solid waste management, sustainable waste treatment, climate sustainability, etc. Increased strength, increased compressive strength, and the effect of eliminating environmental pollution

Inactive Publication Date: 2006-04-26
严素玲
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] Traditional wall and floor insulation materials are mainly rock wool boards, expanded perlite products, foam plastic boards, etc., and cement is used as a gelling agent to attach walls and roofs. These insulation materials have the following defects: high water absorption rate, stability Low, poor water resistance, high cost, waste of energy, thermal expansion and contraction, frequent shell cracking and emptying

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0009] Embodiment 1: Mortar is mainly formed by mixing the following components by weight percentage: 48% of geopolymer dry powder, 8% of recycled polystyrene particles, 30% of fly ash, 10% of latex powder, 0.35% of polypropylene fiber, 4% of functional additives; wherein the geopolymer dry powder is mainly composed of metakaolin 50%, solid sodium silicate 25%, and natural silica-alumina 25%; wherein, the regenerated polystyrene particles are modified Regenerated polystyrene particles modified by agent atomization, the diameter of recycled polystyrene particles is less than 5 mm, the modifier is mainly composed of 60% gelling agent, 6% coupling agent, and 34% water, the gelling agent It is a styrene-acrylic emulsion, and the coupling agent is isopropyl trititanate; wherein, the functional additive mainly consists of 80% cellulose ether, 6% plasticizer, 6% polycarboxylate superplasticizer, water-retaining agent It is composed of 6% plasticizer and 2% air-entraining agent.

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Embodiment 2

[0011] Example 2: Mortar is mainly formed by mixing the following components by weight percentage: 52% of geopolymer dry powder, 6.5% of recycled polystyrene particles, 29% of fly ash, 9% of latex powder, and 0.27% of polypropylene fiber , 3.5% of functional additives; wherein the geopolymer dry powder is mainly composed of metakaolin 55%, solid sodium silicate 22.5%, and natural silica-alumina 22.5%; wherein, the regenerated polystyrene particles are modified Regenerated polystyrene particles with permanent treatment, the diameter of recycled polystyrene particles is less than or equal to 5 mm, the modifier is mainly composed of 65% gelling agent, 4% coupling agent, and 31% water, and the gelling agent is styrene-acrylic emulsion , the coupling agent is isopropyl trititanate; wherein, the functional additive is mainly composed of 82% cellulose ether, 5.5% plasticizer, 5.5% polycarboxylate superplasticizer, and 5.5% plasticizer , air-entraining agent 1.5% mixed composition; wh...

Embodiment 3

[0013] Embodiment 3: The mortar is mainly formed by mixing the following components by weight percentage: 56% of geopolymer dry powder, 5% of recycled polystyrene particles, 28% of fly ash, 8% of latex powder, and 0.20% of polypropylene fiber , 3% of functional additives; wherein the geopolymer dry powder is mainly composed of metakaolin 60%, solid sodium silicate 20%, and natural silica-alumina 20%; wherein, the regenerated polystyrene particles are modified Regenerated polystyrene particles modified by spraying agent, the diameter of recycled polystyrene particles is less than 5mm, the modifier is mainly composed of 70% gelling agent, 2% coupling agent, and 28% water, gelling The agent is styrene-acrylic emulsion, and the coupling agent is isopropyl trititanate; wherein, the functional additive mainly consists of 84% cellulose ether, 5% plasticizer, 5% polycarboxylic acid superplasticizer, It is composed of 5% plastic retaining agent and 1% air-entraining agent; among them, ...

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PUM

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Abstract

The heat insulating mortar consists of earth polymer powder 48-54 wt%, regenerated polystyrene grain 5-8 wt%, flyash 28-30 wt%, latex powder 8-10 wt%, polypropylene fiber 0.20-0.35 wt%, and functional additive 3-4 wt%. The present invention adopts earth polymer powder to replace Portland cement as inorganic cementing material, and the heat insulating mortar has high strength, low shrinkage, high resistance to acid and alkali corrosion, environment friendship and other advantages.

Description

Technical field [0001] The invention belongs to a thermal insulation mortar for buildings, in particular to geopolymer dry powder regenerated polystyrene thermal insulation mortar, which is used for thermal insulation of building exterior walls, interior walls or roofs. Background technique [0002] Traditional wall and floor insulation materials are mainly rock wool boards, expanded perlite products, foam plastic boards, etc., and cement is used as a gelling agent to attach walls and roofs. These insulation materials have the following defects: high water absorption rate, stability Low, poor water resistance, high cost, waste of energy, thermal expansion and contraction, often cracking and hollowing phenomenon. Contents of the invention [0003] The purpose of the present invention is to provide a geopolymer dry powder regenerated polystyrene thermal insulation mortar, which is easy to manufacture and convenient to construct, and has good adhesion, high strength and therm...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B18/08C04B14/04C04B16/06C04B16/08
CPCY02W30/91
Inventor 严素玲
Owner 严素玲
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