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Zeolite-like lightweight heat preservation and sound insulation board and production method thereof

A thermal insulation and sound insulation, zeolite-like technology, applied in the preparation of zeolite-type lightweight thermal insulation and sound-insulation panels, in the field of zeolite-type lightweight thermal insulation and sound-insulation panels, can solve problems such as environmental hazards, white pollution, and difficulty in processing and degradation, and achieve effective results Good, delayed coagulation time, strong sound absorption effect

Active Publication Date: 2013-01-02
广骏新材料科技股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In recent years, EPS boards have been used in many fields, but most of them are for one-time use. Therefore, there are about tens of millions of cubic meters of discarded EPS boards every year, which become white pollution that endangers the environment due to the difficulty in handling and degradation.

Method used

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  • Zeolite-like lightweight heat preservation and sound insulation board and production method thereof
  • Zeolite-like lightweight heat preservation and sound insulation board and production method thereof
  • Zeolite-like lightweight heat preservation and sound insulation board and production method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0019] 1. Formula and preparation of dry powder slurry

[0020]

[0021] According to the above weight ratio, each component is stirred evenly to prepare a dry powder slurry, wherein the composite alkali activator is to add analytically pure NaOH solution to the industrial water glass solution with a modulus of 3.2, and adjust its modulus to 1.2. Na 2 O content is 9%;

[0022] 2. Preparation of light heat insulation and sound insulation board

[0023] Take 90 parts of the above-mentioned dry powder slurry and 10 parts of EPS granules, mix them well and press them into a mold for molding, demould after 1 day of molding, and maintain at 60°C for 3 days; the EPS granules are made by crushing waste EPS boards into a particle size of 3mm particles.

[0024] 3. Sheet performance

[0025] Bulk density is 500kg / m 3 , the 28d compressive strength is 7.6Mpa, the thermal conductivity is 0.083W / (m K), the average sound absorption coefficient in the low frequency band 200-2000Hz is...

Embodiment 2

[0027] 1. Formula and preparation of dry powder slurry

[0028]

[0029] According to the above weight ratio, each component is stirred evenly to prepare a dry powder slurry, wherein the composite alkali activator is to add analytically pure NaOH solution to the industrial water glass solution with a modulus of 3.2, and adjust its modulus to 1.2. Na 2 O content is 9%;

[0030] 2. Preparation of light heat insulation and sound insulation board

[0031] Take 92 parts of the above-mentioned dry powder slurry and 8 parts of EPS granules, mix them well and press them into a mold for molding, demould after 1 day of molding, and maintain at 60°C for 4 days; the EPS granules are made by crushing waste EPS boards into a particle size of 2mm particles.

[0032] 3. Sheet performance

[0033] Bulk density is 800kg / m 3 , the 28d compressive strength is 11.8Mpa, the thermal conductivity is 0.113W / (m K), the average sound absorption coefficient in the low frequency band 200-2000Hz is...

Embodiment 3

[0035] 1. Formula and preparation of dry powder slurry

[0036]

[0037] According to the above weight ratio, each component is stirred evenly to prepare a dry powder slurry, wherein the composite alkali activator is to add analytically pure NaOH solution to the industrial water glass solution with a modulus of 3.2, and adjust its modulus to 1.2. Na 2 The O content is 9%.

[0038] 2. Preparation of light heat insulation and sound insulation board

[0039] Take 90 parts of the above-mentioned dry powder slurry and 10 parts of EPS granules, mix them well and press them into a mold for molding, demoulding after 1 day of molding, and curing at 60°C for 3 days; the EPS granules are made by crushing waste EPS boards into 4mm particles.

[0040] 3. Sheet performance

[0041] The bulk density is 510kg / m 3 , the 28d compressive strength is 7.1Mpa, the thermal conductivity is 0.087W / (m K), the average sound absorption coefficient in the low frequency band 200-2000Hz is 0.16, the...

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Abstract

The invention provides a zeolite-like lightweight heat preservation and sound insulation board applied to a building outer wall, or wall filling of a nonbearing wall or a building top layer. The board comprises dry powder slurry and lightweight aggregate, wherein the dry powder slurry is a zeolite-like geopolymer formed by the excitation of a composite alkali excitant and comprises the following components in percentage by weight: 70-85 percent of coal ash, 5-15 percent of phosphorus slag, 8-20 percent of composite alkali excitant and 0.1-0.3 percent of anticracking fiber; the lightweight aggregate is EPS (Expandable Polystyrene) granules; and the charge ratio of the dry powder slurry to the lightweight aggregate is (89-95): (5-15). The zeolite-like lightweight heat preservation and soundinsulation board has low volume weight, high compression strength, favorable heat preservation and heat insulation properties and good sound absorption effect on various frequency bands of sound waves. The invention also provides a production method of the zeolite-like lightweight heat preservation and sound insulation board. The method has simple process conditions and is easy to realize.

Description

technical field [0001] The invention relates to a thermal insulation and sound insulation board, in particular to a lightweight thermal insulation and sound insulation board applied to building exterior walls or non-load-bearing wall filling or building top floors, and more particularly relates to a geopolymer used as a gelling The material is applied to building exterior walls or non-load-bearing wall fillings or zeolite-type lightweight thermal insulation and sound insulation panels on the top layer of buildings. The invention also relates to a preparation method of the zeolite-type lightweight heat-insulating and sound-insulating board. Background technique [0002] The traditional thermal insulation board is made of polystyrene foam particles, cement, foaming agent and stabilizer after stirring and molding and curing. Cement is a traditional cementitious material. Due to its high resources, high energy consumption, and high carbon emissions, it is less and less in line ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C04B28/00C04B16/08
CPCC04B28/008Y02P40/10C04B16/08
Inventor 曹青林华强洪永顺张铬
Owner 广骏新材料科技股份有限公司
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