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Method for preparing self-cleaning anti-icing rubber surface by use of waste silicone rubber product

A technology of rubber surface and silicone rubber, which is applied in the field of surface chemistry, can solve the problem of difficult removal of ice, and achieve the effect of low cost and easy processing

Inactive Publication Date: 2015-12-30
WUXI BOTON TECH CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Some rubber products used in outdoor facilities, such as high-voltage wires, conveyor belts, etc.,

Method used

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  • Method for preparing self-cleaning anti-icing rubber surface by use of waste silicone rubber product
  • Method for preparing self-cleaning anti-icing rubber surface by use of waste silicone rubber product
  • Method for preparing self-cleaning anti-icing rubber surface by use of waste silicone rubber product

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0025] (1) Combustion of waste silicone rubber: Fully burn waste silicone rubber products in a muffle furnace at 300°C for 15 minutes, with a heating rate of 1-3°C / min. The obtained combustion product is ground into powder, and the particle size of the formed powder is about 800-1000nm.

[0026] (2) Forming the powder and rubber together: spread the powder obtained in the previous step evenly with a sieve to a thickness of 1mm on the surface of the formed mixed rubber, and put the powdered rubber into the mold.

[0027] (3) Hot press vulcanization: in a flat vulcanizer, adopt the vulcanization conditions of 145° C. and 12 MPa, and hot press vulcanize for 60 minutes.

[0028] (4) Post-demolding treatment: open the mold and take out the hot-pressed vulcanized rubber, soak it in ethanol and ultrasonically clean it at a frequency of 30 Hz for 5 minutes, and clean the surface with deionized water. Wash off the powder that is not pressed into the surface, and dry at 30°C. A layer ...

Embodiment 2

[0032] (1) Combustion of waste silicon rubber: In the present invention, waste silicon rubber products are fully burned in a muffle furnace at 450° C. for 10 minutes, and the heating rate is 1-3° C. / min. The obtained combustion product is ground into powder, and the particle size of the formed powder is about 500-1000nm.

[0033] (2) Molding the powder and rubber together: spread the powder obtained in the previous step evenly with a sieve to a thickness of 0.5 mm on the surface of the formed mixed rubber, and put the powdered rubber into the mold.

[0034] (3) Hot press vulcanization: in a flat vulcanizer, adopt the vulcanization conditions of 150°C and 14MPa, and hot press vulcanize for 40 minutes.

[0035] (4) Post-demolding treatment: open the mold and take out the hot-pressed vulcanized rubber, soak it in ethanol and ultrasonically clean it at a frequency of 40 Hz for 10 minutes, and clean the surface with deionized water. Wash away the powder that is not pressed into th...

Embodiment 3

[0039] (1) Combustion of waste silicon rubber: In the present invention, waste silicon rubber products are fully burned in a muffle furnace at 600° C. for 5 minutes, and the heating rate is 1-3° C. / min. The obtained combustion product is ground into powder, and the particle size of the formed powder is about 200-500nm.

[0040] (2) Forming the powder and rubber together: spread the powder obtained in the previous step evenly with a sieve to a thickness of 0.2mm on the surface of the formed mixed rubber, and put the powdered rubber into the mold.

[0041] (3) Hot press vulcanization: in a flat vulcanizer, adopt the vulcanization conditions of 180°C and 16MPa, and hot press vulcanize for 30 minutes.

[0042] (4) Post-demolding treatment: open the mold and take out the hot-pressed vulcanized rubber, soak it in ethanol and ultrasonically clean it at a frequency of 50 Hz for 10 minutes, and clean the surface with deionized water. Wash away the powder that is not pressed into the sur...

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Abstract

The invention relates to a method for preparing a self-cleaning anti-icing rubber surface by use of a waste silicone rubber product and belongs to the technical field of surface chemistry. The method comprises the following steps: fully combusting a waste silicone rubber product; grinding obtained combustion products into powder; spreading the powder on a well-shaped mixing rubber surface; placing rubber on which the powder is spread into a die, and performing high-temperature vulcanization shaping in a press vulcanizer; after demoulding, cleaning to obtain a super-hydrophobic rubber surface. The method is simple and convenient, realizes waste utilization, is environment-friendly, dispenses with a special processing instrument and therefore is low in cost. The manufactured super-hydrophobic surface adopts a micro/nano dual structure, and a micro bulge structure has high super-hydrophobicity, self-cleaning capability and favorable mechanical stability, has a favorable application prospect and is expected to realize industrial production.

Description

technical field [0001] The invention relates to a method for preparing a self-cleaning anti-icing rubber surface by using waste silicon rubber products, and belongs to the technical field of surface chemistry. Background technique [0002] Researchers are inspired by the creatures in nature, such as the surface of lotus leaves, rice leaves, water strider feet, etc., to study superhydrophobic surfaces, and call the surface wetting phenomenon with a water contact angle of more than 150° and a rolling angle of less than 10° as superhydrophobic surface. Lotus effect (lotus effect). Studies have shown that there are two factors affecting surface wetting properties, surface chemical composition and special microscopic geometry. After decades of research, researchers have proposed different theoretical models to explain the influence of surface structure on the surface wetting properties of materials, the most typical and famous of which are the Wenzel complete wetting model and t...

Claims

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Application Information

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IPC IPC(8): B29C69/00C08L23/16C08L9/00C08L9/06C08L7/00C08K13/02C08K3/22C08K5/09C08K3/06
Inventor 王文才周倩萨日娜包志方张立群吴建国田明孙业斌范旭梦李源
Owner WUXI BOTON TECH CO LTD
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