Rubber slab with anticorrosion lining special for sodium hypochlorite

A sodium hypochlorite and anti-corrosion technology, which is applied in the field of anti-corrosion rubber sheets, can solve problems such as high investment cost, high price, and stainless steel materials cannot resist its corrosion, so as to reduce environmental pollution, reduce production costs, and avoid personal injury accidents.

Inactive Publication Date: 2014-04-23
江苏开源环保技术工程有限公司
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Problems solved by technology

[0002] Sodium hypochlorite (NaClO) is weakly acidic. Due to the presence of chloride ions, general stainless steel materials are not resistant to its corrosion. Usually storage and reaction will consider using titanium equipment, Teflon lining equipment, rubber lining equipment and FRP equipment, titanium equipment and The production of PTFE lining is expensive, and the investment cost is very high for users. Since FRP equipment is a non-metal container, it is not impac

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  • Rubber slab with anticorrosion lining special for sodium hypochlorite

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[0007] The anti-corrosion lining rubber sheet for sodium hypochlorite is characterized by: the weight ratio of the main and auxiliary materials is as follows: butyl rubber: 100 parts, carbon black N774: 30-40 parts, carbon black N990: 40-50 parts, hard Fatty acid: 3-8 parts, polyethylene wax: 6-10 parts, barium sulfate: 15-20 parts, paraffin oil: 4-8 parts, rosin: 6-10 parts, accelerator TT: 1-2 parts. In the actual implementation, in order to prevent the oxidation of oxygen in the air, some antioxidants are usually added in the production process of anti-corrosion lining rubber sheets. However, in order to ensure the processing performance, the comparative example has certain restrictions. For example, sodium hypochlorite and hydrogen peroxide are highly oxidizing. The medium is not resistant. Therefore, choosing the right rubber species and designing the right formula to improve the processing performance is the key to solving the above problems. Among natural rubber and ...

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Abstract

The invention provides a rubber slab with anticorrosion lining special for sodium hypochlorite, and main auxiliary raw materials comprises the following components by weight: 100 parts of butyl rubber, 30-40 parts of carbon black N774, 40-50 parts of carbon black N990, 3-8 parts of eleaostearic acids, 6-10 parts of polyethylene wax, 15-20 parts of barium sulfate, 4-8 parts of paraffin oil, 6-10 parts of rosin and 1-2 parts of promoter TT. The invention can effectively avoid running, emerging, dropping and leaking phenomenon in factory, and avoid generation of personal damage accidents, and reduce production cost with social benefits. The invention is especially suitable for storing sodium hypochlorite solution in the chemical production process and producing anticorrosion lining of reaction equipment.

Description

technical field [0001] The invention relates to an anti-corrosion rubber plate, in particular to an anti-corrosion lining rubber plate specially resistant to sodium hypochlorite. Background technique [0002] Sodium hypochlorite (NaClO) is weakly acidic. Due to the presence of chloride ions, general stainless steel materials are not resistant to its corrosion. Usually, storage and reaction will consider using titanium equipment, Teflon lining equipment, rubber lining equipment and FRP equipment, titanium equipment and The production of PTFE lining is expensive, and the investment cost is very high for users. Since FRP equipment is a non-metal container, it is not impact-resistant and difficult to repair once damaged, and its safety performance is poor. Compared with the above equipment, rubber-lined equipment It is the most economical and safest, but because sodium hypochlorite is a strong oxidant with strong oxidizing properties, rubber, as a polymer material, will age...

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Application Information

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IPC IPC(8): C08L23/22C08L23/06C08K13/02C08K3/04C08K5/09C08K3/30
CPCC08L23/22C08K2201/014C08L2201/08C08L2205/035C08L23/06C08L93/04C08L91/06C08K13/02C08K3/04C08K5/09C08K2003/3045
Inventor 贾美萍吴纪君沈青何卫民陈乔霖申惠民
Owner 江苏开源环保技术工程有限公司
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