Anti-freeze high-corrosion-resistance prehydration mineral impermeable material and preparation method thereof

A technology of anti-seepage material and prehydration, applied in chemical instruments and methods, building components, lamination, etc., can solve problems affecting construction, unsatisfactory anti-seepage effect of sheet materials, poor corrosion resistance, etc., to achieve Not easy to fall off, good anti-freezing effect, and effect of improving corrosion resistance

Pending Publication Date: 2019-04-26
中国非金属矿工业有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The object of the present invention is to provide a kind of frost-resistant high corrosion-resistant prehydration anti-seepage material, to at least solve the problem of poor anti-corrosion performa

Method used

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  • Anti-freeze high-corrosion-resistance prehydration mineral impermeable material and preparation method thereof
  • Anti-freeze high-corrosion-resistance prehydration mineral impermeable material and preparation method thereof

Examples

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Embodiment 1

[0033] The frost-resistant high-corrosion prehydration mineral anti-seepage material of this embodiment is composed of a basalt fiber layer, a mineral anti-seepage layer and an anti-seepage membrane arranged in sequence from top to bottom;

[0034] The basalt fiber layer is a grid-like material made of basalt fibers, and the inner layer is also attached with polyester filaments; the polyester filaments are attached to one side of the basalt fibers during the basalt weaving process, and the polyester filaments and basalt fibers The weight ratio is 1:10. The mass per unit area of ​​the basalt fiber layer is 800g / m 2 ;

[0035] The mineral anti-seepage layer includes the following components: 40 parts by weight of bentonite; 30 parts by weight of kaolin; 6 parts by weight of high molecular polymer; 8 parts by weight of antifreeze; 60 parts by weight of water. The mass per unit area of ​​the mineral anti-seepage layer is 2000g / m 2 ; Wherein, the bentonite is sodium ion bentonit...

Embodiment 2

[0041] The frost-resistant high-corrosion-resistant pre-hydrated mineral anti-seepage material of the present embodiment is composed of a basalt fiber layer, a mineral anti-seepage layer and an anti-seepage membrane that are arranged in sequence from top to bottom;

[0042] The basalt fiber layer is a grid-like material woven from basalt fibers, and the inner layer is also attached with polyester filaments; the polyester filaments are attached to one side of the basalt fibers during the basalt weaving process, and the polyester filaments are connected with the basalt fibers. The weight ratio is 1:15. The mass per unit area of ​​the basalt fiber layer is 2000g / m 2 ;

[0043] The mineral impermeable layer includes the following components: 80 parts by weight of bentonite; 10 parts by weight of kaolin; 3 parts by weight of high molecular polymers; 5 parts by weight of antifreeze; and 40 parts by weight of water. The mass per unit area of ​​the mineral impermeable layer is 3000g...

Embodiment 3

[0050] The frost-resistant high-corrosion-resistant pre-hydrated mineral anti-seepage material of the present embodiment is composed of a basalt fiber layer, a mineral anti-seepage layer and an anti-seepage membrane that are arranged in sequence from top to bottom;

[0051] The basalt fiber layer is a grid-like material woven from basalt fibers, and the inner layer is also attached with polyester filaments; the polyester filaments are attached to one side of the basalt fibers during the basalt weaving process, and the polyester filaments are connected with the basalt fibers. The weight ratio is 1:20. The mass per unit area of ​​the basalt fiber layer is 1400g / m 2 ;

[0052] The mineral impermeable layer includes the following components: 60 parts by weight of bentonite; 20 parts by weight of kaolin; 10 parts by weight of high molecular polymers; 10 parts by weight of antifreeze; and 20 parts by weight of water. The mass per unit area of ​​the mineral impermeable layer is 400...

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Abstract

The invention provides an anti-freeze high-corrosion-resistance prehydration mineral impermeable material. The material comprises a basalt fiber layer, a mineral impermeable layer and an impermeable film which are sequentially arranged from top to bottom, wherein the basalt fiber layer is a grid shaped material which is knitted through basalt fibers; the mineral impermeable layer comprises bentonite, kaolin, a high-molecular polymer and an antifreeze agent; and the impermeable film is an HDPE film. The invention also provides a preparation method of the anti-freeze high-corrosion-resistance prehydration mineral impermeable material. The anti-freeze high-corrosion-resistance prehydration mineral impermeable material is high in corrosion resistance, tensile strength and impermeable effect, and can be constructed at the temperature below subzero 10 DEG C.

Description

technical field [0001] The invention belongs to the technical field of anti-seepage materials. Specifically, the invention relates to a frost-resistant high-corrosion-resistant prehydrated mineral anti-seepage material and a preparation method thereof. Background technique [0002] At present, mineral anti-seepage materials containing bentonite on the market are mainly used in municipal (garbage landfill), water conservancy, environmental protection, artificial lakes and underground waterproofing of buildings, anti-seepage engineering and other fields. The colloidal system, under the restriction of the upper and lower layer materials, makes the bentonite expand from disorder to order, and the continuous water absorption and expansion make the bentonite layer itself compact, thereby achieving the waterproof effect. [0003] For example, the Chinese patent document CN102922813A discloses a pre-hydration bentonite waterproof blanket, which is composed of a face cloth, a pre-hyd...

Claims

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Application Information

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IPC IPC(8): B32B9/00B32B9/04B32B27/02B32B27/36B32B37/10C04B26/28
CPCC04B26/285B32B5/02B32B5/08B32B9/00B32B9/04B32B37/10B32B2419/00B32B2262/0284B32B2262/10B32B2307/714B32B2307/30C04B2111/00293C04B2111/27
Inventor 刘玉芹陈小东孟凡马新华贺贤举段亚萍
Owner 中国非金属矿工业有限公司
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