Nano lightweight composite wall plates made from stalk

A composite wallboard and nano-straw technology, applied in building materials and other directions, can solve the problems of high water absorption, harmful gas, unstable wallboard performance, damage to the human body, etc. Effect

Inactive Publication Date: 2005-01-12
闫玉亭
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] The purpose of the present invention is to provide a nano straw lightweight composite wallboard to solve the technical problems of wallboard performance instability, brine return, warping, anti-aging, high water absorption rate and harmful gas damage to the human body

Method used

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  • Nano lightweight composite wall plates made from stalk
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Embodiment Construction

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[0047] The above-mentioned Nano Jieqibao and Nano Activated Calcium Carbonate can be selected from the Najie brand products developed by the Institute of Light Chemical Industry, Chinese Academy of Sciences, or other similar products.

[0048] The structure and shape of the wall panel can be designed according to the needs, see the example figure 1 , 2 , the wallboard surface layer 1 is wrapped with glass fiber cloth 2 around, and a cavity 4 can be left in the wallboard, and a polystyrene foam core board with a thickness of 5 cm is sandwiched in the cavity. For the convenience of connection, the two sides of the wallboard Side is provided with concavo-convex groove 3, and the cavity wall thickness of wallboard can be 2-4 centimetre, and the length of wallboard is 200-350 centimetre, and width is 50-90 centimetre, and specific size is decided according to engineering needs.

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Abstract

A light composite wall sheet of nanostraw is prepared from straw powder, fibre, magnesium oxide, air cleaning nanoagent, calcium carbonate, urea-for maldehyde resin, magnesium chloride and water. The prepared light composite is prepared with on clay for saving cultivated land but with agricultural straw for utilizing the waste.

Description

technical field [0001] The invention relates to a building component, in particular to a board made of straw. Background technique [0002] my country is a large agricultural country, and there are more than 800 million tons of agricultural waste straw every year, and hundreds of millions of tons of carbon dioxide are emitted every year due to incineration, causing serious environmental pollution. my country's magnesite resources rank first in the world, with a reserve of 2.6 billion tons. However, due to the unstable performance of existing magnesite products, they have not been used in large quantities at present. At the same time, my country is a country with sharply reduced cultivated land, and a large amount of cultivated land has been destroyed to make clay bricks. Clay bricks have been banned in most parts of our country. [0003] There is a board made of straw, which is molded and solidified by heating 80-150° C. and pressurizing 2-15 MPa with the straw particles as...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08K3/22C08L97/02E04C2/16
Inventor 闫玉亭
Owner 闫玉亭
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