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Organic-inorganic solid waste composite material as well as preparation method and application thereof

A technology of inorganic solid and composite materials, applied in the field of solid waste treatment, can solve problems such as environmental pollution, no high value-added utilization methods, and unsuitable for widespread promotion

Active Publication Date: 2019-03-26
内蒙古佳运通智能环保新材料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

From the perspective of saving resources, since the main source of plastic products is petroleum resources that are facing depletion, they should be recycled as much as possible. However, the production cost of recycling at this stage is much higher than the direct production cost. Therefore, the existing methods of recycling plastic products Not suitable for broad promotion
[0003] Inorganic solid waste (such as fly ash, coal gangue, desulfurized gypsum, metallurgical slag, dust removal ash, tailings, construction waste) mainly comes from industry and construction industry, similar to the white pollution of organic solid waste, inorganic solid waste The waste has also caused serious pollution to the environment. At the same time, inorganic solid waste still has the problem of occupying a large amount of land resources, and there is currently no high value-added utilization method

Method used

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  • Organic-inorganic solid waste composite material as well as preparation method and application thereof
  • Organic-inorganic solid waste composite material as well as preparation method and application thereof

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preparation example Construction

[0046]The present invention also provides a method for preparing the organic-inorganic solid waste composite material described in the above technical solution, comprising the following steps:

[0047] (1) mixing waste polyvinyl chloride, stabilizer, modifying agent, foaming agent, foam regulator, stearic acid and waxy lubricant to obtain an organic raw material mixture;

[0048] (2) After raising the temperature of the organic raw material mixture to 85-95°C, mixing it with inorganic solid waste to obtain a raw material mixture;

[0049] (3) Raising the temperature of the raw material mixture to 115-120° C., stirring at a constant temperature for 15-30 minutes, and then naturally cooling to room temperature to obtain an organic-inorganic solid waste composite material.

[0050] The invention mixes waste polyvinyl chloride, stabilizer, modifying agent, foaming agent, foam regulator, stearic acid and waxy lubricant to obtain the organic raw material mixture.

[0051] In the pr...

Embodiment 1

[0067] (1) The waste polyvinyl chloride and coal gangue are successively crushed, pulverized and sieved with a 200-mesh sieve, and the sieve is based on that the sieve residue is less than 5%, and the waste polyvinyl chloride and granules with a particle size of 200 mesh are obtained. Coal gangue with a diameter of 200 mesh;

[0068] (2) Take materials according to the following mass ratio: particle diameter is 200wt.% of coal gangue of 200 meshes, waste polyvinyl chloride 70wt.%, lead salt compound stabilizer 2wt.%, chlorinated polyethylene 3wt.%, blowing agent (The mass ratio of azodicarbonamide to sodium bicarbonate is 1:2) 0.5wt.%, methyl acrylate copolymer 3.5wt.%, stearic acid 0.5wt.%, paraffin 0.5wt.%;

[0069] (3) the waste polyvinyl chloride, lead salt composite stabilizer, chlorinated polyethylene, blowing agent (the mass ratio of azodicarbonamide and sodium bicarbonate is 1:2), methyl acrylate copolymer, Stearic acid and paraffin are mixed to obtain an organic raw ...

Embodiment 2

[0080] (1) The waste polyvinyl chloride and construction waste are successively crushed, pulverized and sieved with a 200-mesh sieve, and the sieve is based on a sieve residue of less than 5%, to obtain waste polyvinyl chloride and granules with a particle size of 200 mesh. 200-mesh construction waste;

[0081] (2) Weigh the materials according to the following mass ratio: 16wt.% of construction waste with a particle size of 200 meshes, 74wt.% of waste polyvinyl chloride, 1.8wt.% of calcium-zinc composite stabilizer, and 2.5wt.% of dioctyl phthalate. %, foaming agent (the mass ratio of azodicarbonamide and sodium bicarbonate is 1:2) 0.6wt.%, methyl methacrylate copolymer 4.8wt.%, stearic acid 0.3wt.%, PE wax 0.4wt.%;

[0082] (3) the waste polyvinyl chloride, calcium-zinc composite stabilizer, dioctyl phthalate, blowing agent (the mass ratio of azodicarbonamide and sodium bicarbonate is 1:2), methacrylic acid Methyl ester copolymer, stearic acid, and PE wax are mixed to obta...

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Abstract

The invention belongs to the technical field of solid waste treatment and provides an organic-inorganic solid waste composite material. The organic-inorganic solid waste composite material comprises the following raw materials: 70 to 80 weight percent of waste polyvinyl chloride, 10 to 20 weight percent of inorganic solid wastes, 1 to 2 weight percent of a stabilizer, 1 to 3 weight percent of a modifier, 0.5 to 1 weight percent of a foaming agent, 3.5 to 6 weight percent of a foaming regulator, 0.1 to 0.5 weight percent of stearic acid and 0.1 to 0.5 weight percent of a waxy lubricant. The light-weight composite material can be obtained under the specific proportion; the material has a great bearing capability and excellent freezing and thawing resistance; and meanwhile, the material alsohas the advantages of waterproof performance and low formaldehyde release amount.

Description

technical field [0001] The invention relates to the technical field of solid waste treatment, in particular to an organic-inorganic solid waste composite material and a preparation method and application thereof. Background technique [0002] Organic solid waste (that is, white garbage) White pollution is a unique environmental pollution in my country's cities. A large number of discarded plastic products can be seen everywhere in various public places. They come from industry, are manufactured by humans, and are ultimately attributed to nature. But it is not easy to be absorbed by nature, thus affecting the ecological environment of nature. From the perspective of saving resources, since the main source of plastic products is the depleted petroleum resources, they should be recycled as much as possible. However, since the production cost of recycling at this stage is much higher than the direct production cost, the existing recycling methods for plastic products Not suitabl...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L27/06C08L91/06C08L23/06C08K11/00C08K5/09C08J9/10C08J9/02
CPCC08J9/0014C08J9/0023C08J9/0066C08J9/02C08J9/103C08J2203/02C08J2203/04C08J2327/06
Inventor 方斌正曹建伟张伟张鹏飞刘伟李慧倪磊
Owner 内蒙古佳运通智能环保新材料有限公司
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