Modified red mud filling master batch for plasticizing industry and special material

Abstract

The invention relates to a modified red mud filling master batch for plasticizing industry and a special material for modified red mud, and belongs to the technical field of chemical industry. The modified red mud filling master batch is prepared from the following raw materials in percentage by weight: 80%-90% of red mud, 5%-15% of carrier resin, 3%-10% of auxiliary agents and 0.5%-2% of surface modification agents. The modified red mud filling master batch disclosed by the invention has no need of early dealkalization treatment, excessive drying, grinding and screening and is large in red mud usage amount and reduced in cost because the red mud usage amount is increased in a formula; and in addition, a prepared product has more excellent property and especially increases other characteristics of flame retardance, weather resistance and the like.

Description

technical field [0001] The invention relates to a modified red mud filler and a special material used in the plasticizing industry, and belongs to the technical field of chemical industry. Background technique [0002] Red mud is the polluting waste slag discharged when the aluminum industry extracts alumina. Generally, for every ton of alumina produced, 1.0 to 2.0 tons of red mud are incidentally produced. As the world's fourth largest producer of alumina, China discharges millions of tons of red mud every year. A large amount of red mud cannot be fully and effectively utilized, and can only be stacked in a large area of ​​storage yard, which occupies a large amount of land and causes serious pollution to the environment. The red mud produced in the world is about 70 million tons every year, and the red mud produced in my country is more than 30 million tons every year. The production of a large amount of red mud has caused direct and indirect impacts on human production ...

AI Technical Summary

Problems solved by technology

[0003] At present, there are many technologies that reuse red mud, such as the production of red mud as building materials, and the recycling of floor tiles and interior wall tiles. However, there is still such a problem in these fields , in the field of building materials is still an industry with high energy consumption and low output value;

[0004] At the same time, red mud and plastic are also used in combination, but the formula is not perfect, or the amount of red mud used is insufficient, and it can only reach 60-65% of the mass percentage. For example, the patent number is: 200910143767.9, and its maximum amount is red. The mud is 65%, but as we all know, the output of red mud is very large, and most of the output is not well used at present;

[0005] Even if the mass percentage of the red mud mentioned in the patent application 201010606051.0 is only up to 70%; but at the same time, it also requires the removal of alkalinity, adding the original flavor dealkalization agent, which virtually increases the cost and process complexity, and The performance of the obtained product is not good