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Nano composite wave-absorbing rubber material and method for fabricating products from the material

A nano-composite, rubber material technology, applied in the field of rubber materials, can solve the problems of limited promotion prospects, secondary electromagnetic pollution, less absorption, etc., and achieve the effect of improving working and living environment, promoting upgrading, and high absorption rate

Inactive Publication Date: 2009-06-03
西安华捷科技发展有限责任公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Before the implementation of this project, domestic electromagnetic wave shielding materials are mainly copper wire mesh, carbon fiber, metal materials, etc. Military shielding rooms need to be made of steel plates with a thickness of about 3 cm. The shielding performance of these electromagnetic wave shielding materials is mainly based on reflection and absorption. Less, poor performance, causing secondary electromagnetic pollution, promotion prospects and other aspects are restricted

Method used

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  • Nano composite wave-absorbing rubber material and method for fabricating products from the material
  • Nano composite wave-absorbing rubber material and method for fabricating products from the material

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0071] The nanocomposite wave-absorbing natural rubber material contains 90-120 parts of rubber; 1-6 parts of diethylpropylbenzene peroxide; 1-4 parts of triallyl isocyanurate; 2-5 parts of zinc powder; 1-3 parts Styrene-acrylonitrile copolymer; 1-2 parts of N.RD anti-aging agent; 0.5-1.5 parts of N.MB anti-aging agent; 30-40 parts of silicon dioxide or carbon black; 6-12 parts of dioctyl sebacate ester; 0.6-1.2 parts of polyvinyl fluoride; 8-40 parts of nano-β-silicon carbide; 1-6 parts of nano-nickel powder; 8-22 parts of polyaniline.

[0072] The preparation method of product is carried out according to the following steps:

[0073] a. Take the required weight of the rubber body according to the proportion ratio for later use, and take the required weight for the additive according to the proportion ratio for later use;

[0074] b. Preparation of nano-masterbatch: Weigh the required weight of nano-β-silicon carbide, nano-nickel powder, and liquid polyaniline according to t...

Embodiment 2

[0081] The nanocomposite wave-absorbing natural rubber material contains 90 parts of rubber; 6.0 parts of diethylpropylbenzene peroxide; 4.0 parts of triallyl isocyanurate; 5.0 parts of zinc powder; 3.0 parts of styrene-acrylonitrile copolymer; 2.0 parts N.RD anti-aging agent; 1.5 parts of N.MB anti-aging agent; 40.0 parts of silicon dioxide or carbon black; 12.0 parts of dioctyl sebacate; 1.2 parts of polyvinyl fluoride; 40.0 parts of nano-β-silicon carbide; 6.0 parts Nano nickel powder; 22.0 parts of polyaniline. The preparation method of product is with embodiment 1.

Embodiment 3

[0083] The nanocomposite wave-absorbing natural rubber material contains 100 parts of rubber; 5.0 parts of diethylpropylbenzene peroxide; 3.0 parts of triallyl isocyanurate; 4.0 parts of zinc powder; 2.0 parts of styrene-acrylonitrile copolymer; 2.0 parts N.RD anti-aging agent; 1.0 parts of N.MB anti-aging agent; 38.0 parts of silicon dioxide or carbon black; 10.0 parts of dioctyl sebacate; 1.0 parts of polyvinyl fluoride; 30.0 parts of nano-β-silicon carbide; 5.0 parts Nano nickel powder; 18.0 parts of polyaniline. The preparation method of product is with embodiment 1.

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Abstract

An electromagnetic wave absorbing nano-class composite rubber is prepared from natural or synthetic rubber, cross-linking agent, anti-ageing agent, reinforcing filler, plasticizer, beta-silicon carbide nanoparticles, Ni nanoparticles and polyphenylamine through proportionally mixing rubber with additives, preparing mother nanoparticles from beta-silicon carbide nanoparticles, Ni nanoparticles, and polyphenylamine, mixing them together, pugging, rolling or extruding, die pressing, and sulfurizing.

Description

technical field [0001] The invention discloses a rubber material, in particular to a nanocomposite wave-absorbing rubber material and a preparation method of its product. Background technique [0002] The 21st century is an information age, an era of rapid development and wide application of new materials and advanced manufacturing technologies, and an era of people pursuing efficient, clean and safe use of new energy. The development of science and technology and the continuous emergence of new technologies will definitely lead to new industries revolution. Developing countries have successively invested a lot of manpower and financial resources in material science, especially in the fields of aerospace, aviation, transportation, construction, etc., which have put forward higher requirements for the materials used, among which the demand for high-tech materials is increasing day by day. Characterized by elastomers, it has become a school of its own in the secondary industr...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C08L21/00C08K5/29
Inventor 高建中
Owner 西安华捷科技发展有限责任公司