Polyurethane hard bubble sandwiched integral heat preservation light wall board and method for making same

A polyurethane rigid foam, lightweight wallboard technology, applied in thermal insulation, chemical instruments and methods, walls, etc., can solve the problems of wallboard strength, bending and compressive resistance, fireproof and waterproof performance are not stable enough, cannot be formed at one time, and high cost , to achieve the effect of outstanding thermal insulation and waterproof effect, not easy to crack and penetrate, and strong adaptability

Inactive Publication Date: 2008-08-06
广西壮族自治区建筑科学研究设计院 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Existing wall panels of this type use metal panels or concrete or wood panels as surface materials, and materials such as perlite or polystyrene foam or foamed resin are sandwiched inside, and sandwich panels are also produced, but these products generally have insufficient thermal insulation performance. Yes, the energy-saving effect is not ideal, some are difficult to resist cold and heat, thermal insulation and moisture-proof, and sound insulation performance is poor; However, the manufac

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0027] First clean the concrete wall panels to ensure that the surface of the wall panels (referring to the pouring bonding interface) is smooth and smooth without obvious protruding blocks. After installing the wall panels, ensure that the distance between the wall panels is 30mm, use foaming equipment to stir, and control the temperature at 20 °C, the mixed solution of polyether polyethanol and isocyanate in a ratio of 1:0.9 was stirred at 3000 rpm for 10 seconds and then poured between the wallboards. After the foaming material is injected, the construction opening of the wallboard is closed. After 20 minutes of curing time, the finished product is obtained.

Embodiment 2

[0029] First clean the concrete wallboard to ensure that the wallboard surface (referring to the bonding interface) is smooth and smooth without obvious protruding blocks. After the wallboard is installed, ensure that the distance between the wallboards is 30mm, and the temperature is controlled at 30°C. Polyether polyethanol and isocyanate, according to the ratio of 1:1.2 poured into a plastic container to mix, stirred by hand for 15 seconds and then injected between the wallboards. After the foaming material is injected, the construction opening of the wallboard is closed. After the curing time reaches 40 minutes, a thermal insulation wall with good thermal insulation and waterproof performance is formed.

Embodiment 3

[0031] First clean the concrete wallboard to ensure that the surface of the wallboard (referring to the bonding interface) is smooth and smooth without obvious protruding blocks. After the wallboard is installed, ensure that the distance between the wallboards is 30mm, and the temperature is controlled at 50 ℃ polyether polyethanol and isocyanate, according to the ratio of 1:1.0 poured into a plastic container to mix, stirred by hand for 15 seconds and then injected between the wallboards. After the foaming material is injected, the construction opening of the wallboard is closed. After the curing time reaches 35 minutes, a thermal insulation wall with good thermal insulation and waterproof performance is formed.

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PUM

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Abstract

A polyurethane hard bubble interlayer integrated heat preservation lightweight wall board is characterized in that casting a polyurethane hard bubble interlayer between two concrete lightweight wall boards. The preparation process comprises installing the concrete lightweight wall board which is prepared according to the conventional method, guaranteeing the distance of the interlayer, casting the polyurethane hard bubble for the interlayer, and finally stabilizing solidification and conducting reasonable curing. The polyurethane hard bubble interlayer integrated heat preservation lightweight wall board which is prepared by the process of the invention has vibration-damping and sound insulation, fire resistant and resistant to flame, heat preservation and waterproof, excellent heat insulation, lightweight wall board, high specific tenacity and compact and firm structure and strong suitability for main structure, and the service life of the invention can reach 30 years under the normal weather temperature conditions. And the invention has fast construction speed, high efficiency and excellent environment-friendly property, and the finished product has prices advantage, which is really an energy-saving emission reduction environment-friendly product.

Description

technical field [0001] The invention relates to a polyurethane rigid foam sandwich integrated thermal insulation lightweight wallboard and a preparation method thereof. Background technique [0002] With the progress of the times, sustainable and coordinated development has been put on the agenda, building energy conservation has become an essential measure, and external wall insulation is one of the most effective means of building energy conservation, so it has attracted much attention. [0003] The thermal insulation function of the wallboard is realized by setting the thermal insulation layer in the wallboard structure. Existing wall panels of this type use metal panels or concrete or wooden panels as surface materials, and are sandwiched with materials such as perlite or polystyrene foam or foamed resin, and some sandwich panels are also produced, but these products generally have insufficient thermal insulation performance. Yes, the ene...

Claims

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Application Information

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IPC IPC(8): E04B2/72E04B1/90B32B5/20B32B13/12B29C44/32B29K75/00
Inventor 彭红圃何朝建农永亮苏益声朱惠英孙宜宾邱咏真倪奂成陆延杰陈宗平梁彪陆世登
Owner 广西壮族自治区建筑科学研究设计院
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