Tea-saponin-modified oil shale ash and composite floor tile prepared from same and waste plastic

Abstract

The invention discloses a tea-saponin-modified oil shale ash. The tea-saponin-modified oil shale ash is prepared from 3-5wt% of tea saponin, 2-3wt% of NaOH and 92-95wt% of oil shale ash. The tea-saponin-modified oil shale ash is prepared through the following steps that oil shale ash and NaOH are added into a high-speed mixer at 20 DEG C and stirred 4-6 min, tea saponin is added at 60 DEG C and then heated and stirred 3-4 min, and the tea-saponin-modified oil shale ash is obtained. A composite floor tile prepared from the tea-saponin-modified oil shale ash and waste plastic is prepared from, by weight, 20-30 parts of waste polyvinyl chloride plastic and 70-80 parts of the tea-saponin-modified oil shale ash through stirring, plastication sheeting, mould pressing and sheet cutting. The surface nature of oil shale ash is modified to be lipophilic from hydrophilic with tea saponin, the blending compatibility and combinability of the oil shale ash and waste polyvinyl chloride are greatly improved, and the performance of the composite floor tile is greatly improved; meanwhile, the filling parts of the oil shale ash in the composite floor tile are increased, and the product cost is effectively reduced.

Description

technical field [0001] The invention belongs to the field of building materials, and in particular relates to a tea saponin modified oil shale ash used as waste polyvinyl chloride plastic filler and a composite floor tile made of waste polyvinyl chloride plastic. Background technique [0002] At present, the industrial waste oil shale ash discharged by my country's chemical industry is increasing year by year. These oil shale ash are not only used to produce oil shale bricks and cement, but also piled up in many oil shale ash storage yards. , not only encroaching on the land, but also causing serious environmental pollution. In addition, with the increasing production capacity and consumption of polyvinyl chloride plastics in my country, the output of plastic waste formed by discarded polyvinyl chloride plastics is increasing, causing serious "white pollution". In addition, the floor tiles currently used for laying the ground in public places and family houses are mostly mad...

AI Technical Summary

Problems solved by technology

In addition, most of the floor tiles currently used for laying on the ground in public places and family houses are made of clay, porcelain clay, and stone. The production process is complicated and the price is high. There are still some defects in the degree of improvement, and a new material that uses waste, reduces pollution, and saves resources is urgently needed to solve the problem.

On the other hand, in the blending process of waste polyvinyl chloride plastic and oil shale ash, oil shale ash is a polar inorganic substance and hydrophilic, while waste polyvinyl chloride plastic is a non-polar organic substance and oil shale ash. The physical shape and chemical structure are very different, so that there is a lack of chemical bonding between the two, resulting in uneven dispersion of inorganic fillers in the above-mentioned organic matter during two-phase blending, and poor compatibility between the two phases, thus affecting the performance of composite floor tiles.

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