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Composite impermeable cloth for salt pond and preparation method thereof

A composite anti-seepage and salt pond technology, applied in chemical instruments and methods, synthetic resin layered products, layered products, etc., can solve the problems of low economic efficiency, short service life, poor salinity resistance, etc. Benefit, reduce leakage rate, good compatibility

Inactive Publication Date: 2013-09-11
HUBEI JINLONG NEW MATERIALS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to overcome the problems of low mechanical strength, poor acid resistance, salinity resistance, short service life and low economic benefits of existing geomembranes, and provide a composite anti-seepage cloth for salt ponds

Method used

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  • Composite impermeable cloth for salt pond and preparation method thereof
  • Composite impermeable cloth for salt pond and preparation method thereof
  • Composite impermeable cloth for salt pond and preparation method thereof

Examples

Experimental program
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Effect test

preparation example Construction

[0047] A kind of preparation method of the compound anti-seepage cloth that the present invention is used for salt pool comprises the following steps:

[0048] (1) Arrange the polyester industry on the coating machine, soak and apply the paste-like PVC coating slurry;

[0049] (2) Put the polyester industrial cloth coated with paste polyvinyl chloride coating slurry into a vertical oven and a horizontal oven in turn for high-temperature plasticization at 180-240 degrees to obtain semi-finished products;

[0050] (3) Put the semi-finished product into the laminating machine, and paste the PVC rubber modified film on both sides of the semi-finished product by means of pressure;

[0051] (4) The finished product is obtained after cooling.

Embodiment 1

[0052] Example 1: A composite anti-seepage cloth for salt ponds, wherein the distribution ratio of polyvinyl chloride rubber modified membrane components is: 100 parts by weight of polyvinyl chloride, 20 PHR of dioctyl adipate, and dioctyl phthalate 28PHR, the liquid rubber adopts the liquid rubber Q101 produced by Taiwan Zhaoxin Enterprise Co., Ltd., the weight ratio is 12 PHR, nano calcium carbonate 5PHR, stearic acid 0.02PHR, 3PHR barium stearate is used as a stabilizer, and the ultraviolet absorber UV -531 weight proportion is 0.6PHR, uses the carbon black of 1.8PHR as pigment; Paste polyvinyl chloride coating slurry composition proportion is: polyvinyl chloride paste resin P440, weight 100 parts by weight, dioctyl adipate 28 PHR, dioctyl phthalate 60 PHR, the liquid rubber adopts the liquid rubber Q101 produced by Taiwan Zhaoxin Enterprise Co., Ltd., the weight ratio is 12 PHR, and the nano-calcium carbonate 4PHR with a diameter of 80 nanometers is selected. Barium steara...

Embodiment 2

[0058] Example 2: A composite anti-seepage cloth for salt ponds, wherein the distribution ratio of polyvinyl chloride rubber modified membrane components is: 100 parts by weight of polyvinyl chloride, dioctyl adipate 18PHR, dioctyl phthalate 25PHR, the liquid rubber adopts the liquid rubber Q101 produced by Taiwan Zhaoxin Enterprise Co., Ltd., the weight ratio is 10 PHR, and the diameter is 100 nanometers of nano-calcium carbonate 0.1PHR, stearic acid 0.02PHR, and the stabilizer is zinc stearate. The weight ratio is 3PHR, the ultraviolet absorber is UV-326, the weight ratio is 0.6PHR, the pigment is phthalocyanine blue, the weight ratio is 1.8PHR; the paste polyvinyl chloride coating slurry component ratio is: polyvinyl chloride Vinyl paste resin P450, 100 parts by weight, dioctyl adipate 25 PHR, dioctyl phthalate 50 PHR, liquid rubber adopts liquid rubber Q101 produced by Taiwan Zhaoxin Enterprise Co., Ltd., and the weight ratio is 10 PHR , select the nano calcium carbonate 5...

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Abstract

The invention discloses composite impermeable cloth for a salt pond. The composite impermeable cloth consists of polyester industrial cloth, a polyvinyl chloride rubber modified films and pasty polyvinyl chloride coatings, wherein the pasty polyvinyl chloride coatings are adhered to two surfaces of the polyester industrial cloth; the polyvinyl chloride rubber modified films are attached to two sides surfaces of each pasty polyvinyl chloride coating through pressurization. The invention also provides a method for preparing the composite impermeable cloth for the salt pond. The method comprises the following steps: infiltrating and coating the pasty polyvinyl chloride coatings on the polyester industrial cloth, plastifying the polyester industrial cloth coated with the pasty polyvinyl chloride coatings at the high temperature of 180-240 DEG C, attaching the rubber modified films to the two side surfaces of a semi-finished product, and the like.

Description

technical field [0001] The invention relates to a polyvinyl chloride composite material, in particular to an anti-seepage cloth applied to salt ponds. Background technique [0002] Soil is permeable and seepage is a common natural loss phenomenon. In the salt lake industry and seawater salt production industry, the infiltration rate is one of the indispensable salt field process parameters, and it is the key data reflecting the quality of the salt field pool plate, which is directly related to the amount of salt produced. According to statistics, during the process of evaporating and concentrating the brine in the salt field, the brine loss is as high as 30% due to the leakage of the pool plate in the salt field, which seriously reduces the production efficiency of the salt field. At present, methods of anti-seepage in salt fields include clay mechanical compaction, plastic film bottoming and other methods. Clay has the characteristics of fine particles, strong plasticity,...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B32B5/24B32B27/12B32B27/30C08L27/06C08K5/12C08K3/26D06M15/248D06M13/224D06M11/76D06M101/32
Inventor 饶金才聂福山
Owner HUBEI JINLONG NEW MATERIALS
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