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Method for preparing aluminosilicate mineral polymer materials

A mineral polymer, aluminosilicate technology, used in clay products, other household appliances, household appliances, etc., can solve the problems of affecting material properties, kaolin properties difference, etc., to achieve good processability, wide use temperature range, The effect of good machinability

Inactive Publication Date: 2005-07-06
LANZHOU INST OF CHEM PHYSICS CHINESE ACAD OF SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The raw materials for the preparation of this material are mostly kaolin, but the performance of kaolin obtained from different origins and different processing methods varies greatly, which obviously affects the performance of the material

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0019] (1) Measure 6g of kaolin in a crucible as a solid component;

[0020] (2) Measure 4moL.L with a 10mL graduated cylinder -1 2mL of NaOH solution, add 9 drops of sodium silicate water glass with a modulus of 3.2 (i.e. Na 2 O nSiO 2 In this NaOH solution, n=3.2) in this NaOH solution, make two kinds of solutions mix homogeneously, as liquid component;

[0021] (3) The liquid component of (2) was added to the solid component of (1) while stirring with a glass rod. After all the liquid components have been added, continue stirring with a glass rod for about 5 minutes to make a gel.

[0022] (4) Pack the jelly in (3) into a cylindrical mold with a diameter of 9 mm, and lightly press it on a jack to make it a cylinder with a height of 18 mm; demoulding.

[0023] (5) The demoulding object of (4) was left at room temperature for about 7 days to obtain a dry mineral polymer material. The compressive strength of the mineral polymer sample obtained in this example was measured...

Embodiment 2

[0025] (1) Measure 2.6g of fly ash in the crucible as a solid component;

[0026] (2) Measure 6moL.L with a 10mL graduated cylinder -1 0.9mL of NaOH solution, add 5 drops of sodium silicate water glass with a modulus of 2.3 (i.e. Na 2 O nSiO 2 n=2.3) in the NaOH solution, so that the two solutions are mixed uniformly as the liquid component;

[0027] (3) The liquid component of (2) was added to the solid component of (1) while stirring with a glass rod. After all the liquid components have been added, continue stirring with a glass rod for about 5 minutes to make a gel.

[0028] (4) the jelly of (3) is packed into the rectangular mold that length and width are 30mm and 7mm respectively, and lightly press on the jack to make it become a cuboid with a height of 6mm; demoulding.

[0029] (5) The release material of (4) was baked at 65° C. for 10 hours to obtain a mineral polymer material. The flexural strength of the mineral polymer sample obtained in this example was measur...

Embodiment 3

[0031] (1) measure the mixture (arbitrary ratio) of 5g kaolin and fly ash in crucible, as solid component;

[0032] (2) Measure 12moL.L with a 10mL graduated cylinder -1 1.85mL of NaOH solution, add 8 drops of sodium silicate water glass with a modulus of 2.3 (i.e. Na 2 O nSiO 2 n=2.3) in the NaOH solution, so that the two solutions are mixed uniformly as the liquid component;

[0033] (3) The liquid component of (2) was added to the solid component of (1) while stirring with a glass rod. After all the liquid components have been added, continue stirring with a glass rod for about 5 minutes to make a gel.

[0034] (4) Pack the jelly in (3) into a cylindrical mold with a diameter of 25 mm, and lightly press it on a jack to make it a cylinder with a height of 7 mm; demoulding.

[0035] (5) The demoulding object of (4) was left at room temperature for about 7 days to obtain a dry mineral polymer material. The Brinell hardness of the mineral polymer sample obtained in this ex...

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PUM

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Abstract

The present invention discloses a method for preparing alumino-silicate based mineral polymeric material. The invention takes alumino-silicate as solid constituent, and alkaline mixed liquor as liquid constituent, which serves as an excitant of the mineral polyreaction. A physical stirring method is applied to mix the liquid constituent and the solid constituent, after pressure moulding, mineral polymeric material is obtained. The method has the following characteristics: cheap raw material, simple equipment and technology, being mouldable under room temperature; the mineral polymeric material prepared by the invention has a certain strength and toughness; the technology used by the invention makes the performance of the mineral polymeric material is easy to get further improvement by addition, such as strengthen, toughen and improve tribology performance and so on.

Description

Technical field: [0001] The invention relates to a method for preparing an aluminosilicate mineral polymer material. Background technique: [0002] Using common clay-based aluminosilicate raw materials at relatively low temperatures to prepare mineral polymer materials with chemical activators has broad application prospects. There have been related patent reports abroad (US patent 4,349,386, US patent 4,472,199). The raw materials for the preparation of this material are mostly kaolin, but the performance of kaolin obtained from different origins and different processing methods varies greatly, which obviously affects the performance of the material. In addition, the preparation raw materials of this material can be extended to industrial waste such as fly ash and slag, which has practical value in waste utilization; there has been some progress at home and abroad to seal nuclear waste and toxic metal ions with mineral polymer materials. ; Specially enhanced mineral polyme...

Claims

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Application Information

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IPC IPC(8): C04B33/04C04B33/36
Inventor 王鸿灵李海红阎逢元
Owner LANZHOU INST OF CHEM PHYSICS CHINESE ACAD OF SCI
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