Composite board produced with waste and old plastic and coal ash, and producing method thereof

A technology of waste plastics and production methods, applied in the field of building materials, to achieve the effects of reducing pollution, low production costs, and accelerating resource utilization

Inactive Publication Date: 2009-05-13
GUIZHOU UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

On the other hand, when pouring concrete in construction projects, a large number of wooden building formwork or steel building formwork needs to be used, and the cost of formwork engineering generally accounts for 20-30% of the cost of reinforced concrete structures.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0015] Example 1. Follow the steps below to make a composite board.

[0016] a, 300kg of waste polypropylene plastic, 200kg of waste polyethylene plastic, 100kg of waste polystyrene plastic and 70kg of waste polyvinyl chloride plastic are classified and crushed to 20mm and then mixed with 200kg of fly ash evenly to obtain product A;

[0017] b. Heat product A to 200 0 After C, the finished product is obtained through the conventional calendering process.

[0018] The above-mentioned waste polypropylene plastics are polypropylene products abandoned by industrial production and human life, such as medical appliances, fishing nets, woven bags, disposable water cups, polypropylene pipes and profiles, battery shells, etc.; waste polyethylene plastics are industrial production and human Polyethylene products abandoned by life, such as agricultural films, toy packaging, food bags, garbage bags, polyethylene pipes and profiles, etc.; waste polystyrene plastics are polystyrene products aba...

Embodiment 2

[0019] Example 2. Follow the steps below to make a composite board.

[0020] a. Divide 500kg of waste polypropylene plastic, 250kg of waste polyethylene plastic, and 200kg of waste polystyrene plastic into 15mm, and mix them with 400kg of fly ash to obtain product A;

[0021] b. Put product A into the mold and heat it to 240 0 After C, the finished product is obtained by die-casting.

[0022] The above-mentioned waste polypropylene plastics are polypropylene products abandoned by industrial production and human life, such as medical appliances, fishing nets, woven bags, disposable water cups, polypropylene pipes and profiles, battery shells, etc.; waste polyethylene plastics are industrial production and human Polyethylene products abandoned by life, such as agricultural films, toy packaging, food bags, garbage bags, polyethylene pipes and profiles, etc.; waste polystyrene plastics are polystyrene products abandoned by industrial production and human life such as foam packaging tr...

Embodiment 3

[0023] Example 3. Follow the steps below to make a composite board.

[0024] a. Divide 500kg of waste polypropylene plastic, 250kg of waste polyethylene plastic, and 100kg of waste polyvinyl chloride plastic into 25mm, and mix them with 350kg of fly ash evenly to obtain product A;

[0025] b. Put product A into the mold and heat it to 240 0 After C, the finished product is obtained by die-casting.

[0026] The above-mentioned waste polypropylene plastics are polypropylene products abandoned by industrial production and human life, such as medical appliances, fishing nets, woven bags, disposable water cups, polypropylene pipes and profiles, battery shells, etc.; waste polyethylene plastics are industrial production and human Polyethylene products abandoned by life, such as agricultural films, toy packaging, food bags, garbage bags, polyethylene pipes and profiles, etc.; waste polyvinyl chloride plastics are hard or soft polyvinyl chloride products abandoned by industrial production...

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PUM

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Abstract

The invention discloses a composite board made from waste plastics and fly ashes and a method for producing the same. The composite board is prepared from the waste plastics and the fly ashes according to certain weight ratio. The main raw materials for producing the composite board comprise the waste plastics and the fly ashes, wherein the waste plastics are discarded in industrial production and in human life and comprise waste polypropylene plastic, waste polyethylene plastic, waste polystyrene plastic and waste polyvinyl chloride plastic and the like, and the fly ashes are discharged by coal-fired power plants and the chemical industry; the main raw materials are manufactured into the composite board through crushing and hot pressing; the manufactured composite board meets the national standards for construction templates, not only reduces the environmental pollution caused by industrial fly ashes and plastic wastes, but also can be applied to replacing wooden construction templates or steel construction templates widely used in the prior building operations, and not only has the advantages of low production cost, light weight, high strength, impact resistance, and easy demoulding, but also 'turns harmful into beneficial and changes waste into valuable', and significantly speeds up the process of recycling wastes in China.

Description

Technical field [0001] The invention relates to a building template and a production method thereof, in particular to a composite board made of waste plastic and fly ash as raw materials and a production method thereof, belonging to the field of building materials. Background technique [0002] At present, my country’s coal-fired power plants and chemical industries emit more and more fly ash industrial waste every year. These fly ash are currently not only used to produce fly ash bricks, mixed with cement or concrete as building materials, but also stacked The fly ash storage yard not only invaded the land, but also caused serious "black pollution". Moreover, with the increasing production and consumption of plastic materials in my country, the output of plastic waste formed by waste plastics is increasing, causing serious "white pollution". On the other hand, when pouring concrete in construction projects, a large number of wooden building templates or steel building templates ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L23/12C08L23/06C08L25/06C08L27/06C08K3/34C08J11/06B29B7/00B29C39/00B29C43/24B29C43/00
CPCY02W30/62
Inventor 陈前林刘彤曾光杨光君
Owner GUIZHOU UNIV
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