Method for preparing inorganic aluminosilicate polymer and inorganic macromolecule composite gelled material

A silicate polymer and composite cementitious material technology, applied in cement production and other directions, can solve problems such as high brittleness, poor toughness, environmental pollution, etc., and achieve the effects of saving resources, improving the environment, and improving the microstructure

Inactive Publication Date: 2009-09-30
XI'AN UNIVERSITY OF ARCHITECTURE AND TECHNOLOGY
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0006] Aiming at the defects of high brittleness and poor toughness of existing geopolymer materials, in order to solve the problem of environmental pollution caused by the large-scale utilization and placement of industrial solid waste

Method used

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  • Method for preparing inorganic aluminosilicate polymer and inorganic macromolecule composite gelled material
  • Method for preparing inorganic aluminosilicate polymer and inorganic macromolecule composite gelled material

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0030] Example 1: Preparation of phosphorus slag inorganic aluminosilicate polymer and organic polymer composite gelling material

[0031] Accurately weigh 1500g of phosphorus slag, and take this as the basis of measurement (100%); adopt external blending method, sodium silicate dosage is 13% of phosphorus residue; styrene / methyl acrylate copolymer emulsion dosage is respectively 13% of phosphorus residue 0% (control), 5%, 10%, 15%, 20% and 25%; the water residue ratio is 0.32.

[0032] Sodium silicate is dissolved in water, and a styrene / methyl acrylate copolymer emulsion is mixed into the solution at room temperature to form a stable polymer alkaline solution.

[0033] Pour the phosphorus slag into the double-rotation and double-speed slurry mixer for stirring, then add the polymer alkaline solution, stir at a high speed to form a uniform slurry, and put the slurry into a 40mm×40mm×160mm iron triple mold . Vibrate on the rubber sand vibrating table and scrape it flat with ...

Embodiment 2

[0037] Example 2: Preparation of slag inorganic aluminosilicate polymer and organic polymer composite gelling material

[0038] Accurately weigh 1300g of slag, based on this (100%); adopt the external blending method, the amount of sodium silicate added is 13% of the slag; the amount of styrene / methyl acrylate copolymer emulsion added is respectively 0% of the slag (Contrast), 5%, 10%, 15%, 20% and 25%; The water residue ratio is 0.32.

[0039] Sodium silicate is dissolved in water, and styrene / methyl acrylate copolymer emulsion is mixed into the solution at room temperature to form a stable high molecular alkaline solution.

[0040] Pour the slag into a double-rotation and double-speed slurry mixer for stirring, then add the polymer alkaline solution, stir at a high speed to form a uniformly mixed slurry, and put the slurry into a 40mm×40mm×160mm iron triple mold. Vibrate on the rubber sand vibrating table and scrape it flat with a scraper to obtain the formed slag inorganic...

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Abstract

The invention discloses a method for preparing an inorganic aluminosilicate polymer and organic macromolecule composite gelled material. In the method, phosphatic slag or slag capable of providing inorganic aluminosilicate components and styrene/methacrylate copolymer emulsion are utilized to produce phosphatic slag or slag inorganic aluminosilicate polyer and organic macromolecule composite gelled material under the action of sodium silicate excitants; wherein the amount of the styrene/methacrylate copolymer emulsion is 5-25 percent of the weight of the phosphatic slag or slag, and the amount of the alkali excitant sodium silicate is 13 percent of the weight of the phosphatic slag or slag; and the flexural strength of the inorganic aluminosilicate polymer and organic macromolecule composite is superior to the inorganic aluminosilicate polymer in 28-day age, and the 28-day maximum flexural strength is 2.08 times of that of the inorganic aluminosilicate polymer. The preparation process has no discharge of waste water, waste gas and waste slag, does not need heating, is green, environment-friendly and energy-saving, reduces the consumption, and is one effective approach for large-scale resource utilization of industrial solid wastes.

Description

technical field [0001] The invention belongs to the preparation of inorganic-organic composite materials, in particular to a preparation method of inorganic aluminosilicate polymer and organic polymer composite gelling material. Background technique [0002] China is a large energy country dominated by coal resources. Currently, the annual discharge of fly ash produced by coal combustion reaches 200 million tons. At the same time, my country is also a large iron and steel country. The slag and steel slag discharged by iron and steel plants are about 100 million tons each year. tons; more than 10 million tons of phosphorus slag are discharged annually from refining yellow phosphorus. The long-term placement of these waste residues not only takes up a lot of fertile land and destroys the ecology; but also long-term exposure to the sun and rain will pollute groundwater sources and rivers and lakes, causing serious environmental pollution. It is used as an inorganic aluminosilica...

Claims

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Application Information

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IPC IPC(8): C04B24/26C04B7/14
CPCC04B28/008C04B28/28Y02P40/10
Inventor 张耀君李圣徐德龙吴永超吴勇张建文曹李红王亚超
Owner XI'AN UNIVERSITY OF ARCHITECTURE AND TECHNOLOGY
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