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Improved wall insulation core board and production method thereof

A technology of core board and heat preservation, which is applied in the direction of heat preservation, insulation improvement, building components, etc., can solve the problems of easy combustion, etc., and achieve the effect of long weather resistance, simple process and light weight

Active Publication Date: 2014-09-10
QINGDAO CREEK NEW ENVIRONMENTAL PROTECTION MATERIAL
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] After the 1980s, the world's climate became warmer and energy sources were increasingly exhausted. Under the dual pressures of environmental protection and energy sources, new requirements were brought to external wall insulation, which required both good thermal insulation performance and high flame retardancy. External wall insulation materials are mainly organic materials such as polystyrene and polyurethane. These materials have good insulation performance and construction performance, and the cost is relatively low. However, the fatal disadvantage of these materials is that they are easy to burn, and the combustion performance is B2

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0023] (1) Ingredients: Put 20wt% microsilica powder, 76wt% superfine natural silica powder, 3wt% inorganic fiber, 0.5wt% vacuum stabilizer, and 0.5% getter into the mixer for thorough mixing;

[0024] (2) Drying: Dry the evenly stirred mixture, and control the drying temperature at 110°C. During the drying process, measure the moisture content of the mixture every 8 minutes until the moisture content of the mixture reaches below 0.5%. , stop drying;

[0025] (3) Core material forming: Pre-spread the cut non-woven fabric into the bottom of the mold, put the dried material into the mold, and scrape the surface;

[0026] (4) Compression molding: Put the mold into a press and press it into a press. The descending speed of the press is controlled at 4cm / s, and the pressure is controlled at 30T / m 2 ;

[0027] (5) Wrapping: Remove the template, fold the non-woven fabric at the bottom of the compression-molded core plate from the circumference, wrap the core plate, and overlap the ...

Embodiment 2

[0029] (1) Ingredients: Put 70wt% of microsilica powder, 2wt% of fumed silica, 27wt% of superfine natural silica powder inorganic fiber, and 1wt% of vacuum stabilizer into the mixer for thorough mixing;

[0030] (2) Drying: Dry the evenly stirred mixture, the drying temperature is controlled at 120°C, measure the moisture content of the mixture every 8 minutes during the drying process, until the moisture content of the mixture reaches below 0.5% , stop drying;

[0031] (3) Core material forming: Pre-spread the cut non-woven fabric into the bottom of the mold, put the dried material into the mold, and scrape the surface;

[0032] (4) Compression molding: Put the mold into a press machine and press it to form, the descending speed of the press machine is controlled at 7cm / s, and the pressure is controlled at 80T / m 2 ;

[0033] (5) Wrapping: Remove the template, fold the non-woven fabric at the bottom of the compression-molded core plate from the circumference, wrap the core p...

Embodiment 3

[0035] (1) Ingredients: Put 45wt% of microsilica powder, 13wt% of fumed silica, 15wt% of white carbon black, 11wt% of ultrafine natural silica powder, 15wt% of inorganic fiber, and 1wt% of getter into the mixer for full mix;

[0036] (2) Drying: Dry the evenly stirred mixture, the drying temperature is controlled at 100°C, and the moisture content of the mixture is measured every 8 minutes during the drying process until the moisture content of the mixture reaches below 0.5% , stop drying;

[0037] (3) Core material forming: Pre-spread the cut non-woven fabric into the bottom of the mold, put the dried material into the mold, and scrape the surface;

[0038] (4) Compression molding: Put the mold into a press machine and press it to form, the descending speed of the press machine is controlled at 5cm / s, and the pressure is controlled at 280T / m 2 ;

[0039] (5) Wrapping: Remove the template, fold the non-woven fabric at the bottom of the compression-molded core plate from the...

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Abstract

The invention relates to an insulation core board and a preparation method thereof. The insulation core board comprises 20-70wt% of micro silicon powder, 0-35wt% of gas-phase silicon dioxide, 0-30wt% of precipitate silicon dioxide (white carbon black), 5-79wt% of superfine natural silicon dioxide powder, 1-18wt% of inorganic fiber, 0-3wt% of vacuum stabilizer and 0-3wt% of getter. The preparation method of the insulation core board comprises (1) a batching step, (2) a drying step, (3) a core material moulding step, (4) a compression moulding step, (5) a packing step, and the like.

Description

technical field [0001] The invention relates to the technical field of building material production, in particular to a wall insulation core board and a production method thereof. Background technique [0002] Insulation core board is a kind of insulation material, which is composed of filling core material and vacuum protection surface layer. It can effectively avoid heat transfer caused by air convection, so the thermal conductivity is greatly reduced, less than 0.008w / m. K, and does not contain any ODS materials, with the characteristics of environmental protection and high efficiency and energy saving. Compared with traditional heat insulation materials, the insulation core board has the advantages of thin layer, small volume, light weight and Class A combustion performance. [0003] After the 1980s, the world's climate became warmer and energy sources were increasingly exhausted. Under the dual pressures of environmental protection and energy sources, new requirements ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): E04B1/80E04B1/94C04B30/02B28B3/00
CPCY02B80/12Y02A30/242Y02B80/10
Inventor 翟传伟李壮贤
Owner QINGDAO CREEK NEW ENVIRONMENTAL PROTECTION MATERIAL
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