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High performance polymer foaming cement thermal insulation material and preparation method thereof

A technology of high-performance polymers and foamed cement, which is applied in the field of building materials, can solve problems such as strength and water absorption not meeting the requirements, strength, water absorption, thermal conductivity mismatch, and thermal conductivity decline, etc., to achieve fast foaming speed , Improve strength and crack resistance, reduce water absorption

Inactive Publication Date: 2012-10-24
JIANGSU NIGAO SCI & TECH +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The disadvantage is that the strength, water absorption and thermal conductivity do not match. If high strength is required, the thermal conductivity will decrease and the water absorption will be better; if the thermal conductivity is emphasized, the strength and water absorption will often fail to meet the requirements.

Method used

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  • High performance polymer foaming cement thermal insulation material and preparation method thereof
  • High performance polymer foaming cement thermal insulation material and preparation method thereof
  • High performance polymer foaming cement thermal insulation material and preparation method thereof

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preparation example Construction

[0027] The invention also discloses a preparation method of a high-performance polymer foamed cement insulation material, comprising the following steps:

[0028] (1) Weigh each component according to the proportioning;

[0029] (2) First add water, anti-crack fiber, reinforcing agent, redispersible latex powder, stir for 1-2 minutes, then add fly ash and cement, continue to stir well, stir for 2-3 minutes, then add composite foam agent, stir for 10-20 seconds;

[0030] (3) Put the slurry made in step (2) into the mold, stop for 2-3 hours to remove the mold, cut and pack after 24 hours, and maintain it until the age is 28 days.

specific Embodiment 1

[0031]

[0032] In this embodiment, the cement is special cement, the fly ash is first-grade fly ash, the crack-resistant fiber is modified polypropylene fiber; the redispersible latex powder is acrylic; the reinforcing agent is polycarboxylate water reducer; The composite foaming agent is composed of a foaming agent and a foam stabilizer, wherein the mass ratio of the foaming agent to the foam stabilizer is 1:0.2, the foaming agent is a hydrogenated foaming agent, and the foam stabilizer is modified sex protein.

[0033] A preparation method of a high-performance polymer foamed cement insulation material: (1) weigh each component according to the proportion; (2) first add water, anti-crack fiber, and reinforcing agent, stir for 1-2 minutes, and then add powder Coal ash and cement, continue to stir well, stir for 2-3 minutes, then add composite foaming agent, stir for 10-20 seconds; (3) Put the slurry into the mold, stop for 2-3 hours to remove the mold, 24 hours Afterward...

specific Embodiment 2

[0034]

[0035] In this embodiment, the cement is special cement, the fly ash is first-grade fly ash, and the crack-resistant fiber is polyester fiber; the reinforcing agent is polycarboxylate water reducer; the redispersible latex powder is phenylacrylic acid; The foaming agent is composed of a foaming agent and a foam stabilizer, wherein the mass ratio of the foaming agent to the foam stabilizer is 1:0.2, the foaming agent is a hydride foaming agent, and the foam stabilizer is a modified protein.

[0036] A preparation method of a high-performance polymer foamed cement insulation material: (1) weigh each component according to the proportion; (2) first add water, anti-crack fiber, and reinforcing agent, stir for 1-2 minutes, and then add powder Coal ash and cement, continue to stir well, stir for 2-3 minutes, then add composite foaming agent, stir for 10-20 seconds; (3) Put the slurry into the mold, stop for 2-3 hours to remove the mold, 24 hours Afterwards, cut, pack, a...

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Abstract

The present invention discloses a high performance polymer foaming cement thermal insulation material, which comprises, by weight, 30-50 parts of cement, 5-15 parts of fly ash, 0.1-0.4 part of anti-cracking fiber, 0-0.3 part of a reinforcing agent, 0-2 parts of redispersible latex powder or an emulsion, 25-35 parts of water, and 2.0-4.0 parts of a composite foaming agent. The preparation method comprises: weighing various components; adding the water, the anti-cracking fiber and the reinforcing agent; stirring for 1-2 minutes; then adding the fly ash and the cement, and stirring for 2-3 minutes; then adding the composite foaming agent, and stirring for 10-20 seconds; placing the resulting slurry in a mold, standing for 2-3 hours, and then carrying out demolding; and cutting after 24 hours, then packaging, and carrying out concrete curing until the curing time is 28 days. The foaming cement thermal insulation material of the present invention is a lightweight material with a fire-protection rating of class A, has characteristics of thermal insulation, durability, heat insulation, sound insulation and environment protection, and is used for building interior and exterior insulation materials, fire barriers, roofing thermal insulation materials, and the like.

Description

technical field [0001] The invention relates to the field of building materials, in particular to a high-performance polymer foamed cement insulation material and a preparation method thereof. Background technique [0002] In recent years, organic materials such as foam plastics have continuously caused serious fires in building insulation construction, causing serious losses, and have attracted the attention of relevant departments. Although inorganic thermal insulation materials still have the disadvantages of higher density and poorer thermal insulation than organic foam materials, from the perspective of fire prevention, it has become the current development trend to replace organic foam materials with inorganic thermal insulation materials. Among the inorganic non-combustible materials, the price of foam glass and foam ceramics is relatively high; although the price of fiber insulation materials such as rock wool and mineral wool is slightly lower, they are harmful to h...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B38/02C04B28/00C04B28/04
Inventor 钱中秋朱国峰马德功张朝辉王世忠吴海军徐建军
Owner JIANGSU NIGAO SCI & TECH
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