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
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[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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