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Polyethylene compound used for long-service-life electrolysis cathode plate sealing strip and preparation method thereof

A technology for electrolytic cathode plates and sealing strips is applied in the field of wet electrolysis of metals, which can solve the problems of short life and low toughness of edge clips, and achieve the effects of improving life, increasing adhesion and reducing catalytic degradation.

Inactive Publication Date: 2012-08-22
LIAOCHENG UNIV
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  • Abstract
  • Description
  • Claims
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Problems solved by technology

[0004] It can be seen that most of the existing edge st

Method used

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  • Polyethylene compound used for long-service-life electrolysis cathode plate sealing strip and preparation method thereof

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[0021] The present invention provides a polyethylene compound for sealing strips of long-life electrolytic cathode plates and a preparation method thereof. The materials used are: polyethylene resin, linear low-density polyethylene resin, antioxidant, metal deactivator, flow modifier , Appropriate amount of colorant.

[0022] The polyethylene resin is copolymerized high molecular weight medium density or high density polyethylene, and the performance index requirements are: the comonomer is α-olefin, and its density is ≥0.940g / cm 3 , Melt flow rate ≤1.0g / 10min.

[0023] The linear low-density polyethylene resin is a copolymer, the comonomer is an α-olefin, and its density is less than or equal to 0.926g / cm 3 , Melt flow rate ≤2.0g / 10min. The purpose of adding linear low density polyethylene resin is to further improve the toughness of the composition.

[0024] The antioxidant is a hindered phenolic substance, and its function is to capture free radicals formed by heating or ultravio...

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Abstract

The invention provides a compound used for a long-service-life electrolysis cathode plate sealing strip and a preparation method thereof, belonging to the technical field of plastic processing and application and the technical field of wet electrolysis of metals such as copper. The components used for producing the electrolysis cathode plate sealing strip include 100 parts of polyethylene resin, 0.1-20 parts of linear low density polyethylene, 0.1-1 part of oxidization inhibitor, 0.05-1 part of metal deactivator, 0.1-5 parts of flow modifier and a proper amount of colorant according to weight parts. The compound has the characteristics of long service life and smooth surface of the molded sealing strip.

Description

technical field [0001] The invention relates to a long-life polyethylene compound material for electrolytic cathode plate sealing strips and a preparation method thereof, which has the characteristics of long life and good toughness, and belongs to the technical field of plastic processing and application and the technical field of wet electrolysis of copper and other metals. Background technique [0002] At present, the industrial production of high-purity copper, manganese, and zinc mainly adopts the method of electrolysis. Among them, an important production part is the cathode plate. Negative charges are introduced through the electrodes, and divalent copper ions, manganese ions, and zinc ions are reduced on the cathode plate to form copper, manganese, and zinc, and then the cathode copper is stripped off by the stripping unit to form High purity metal. The cathode plate is mainly made of stainless steel or titanium. In order to achieve the purpose of insulation and reg...

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Application Information

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IPC IPC(8): C08L23/08C08K13/02C08K5/13C08K5/17C08K5/524C08K5/20C08K5/25B29B9/06B29C47/92B29C48/92
CPCB29C48/0022B29C48/08B29C48/397B29C48/40
Inventor 滕谋勇邓爱霞赵笛葛祥才谢倩
Owner LIAOCHENG UNIV
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