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Oil-filled and carbon nano tube filled emulsion coprecipitated rubber and preparation method thereof

A carbon nanotube and emulsion co-precipitation technology, applied in the field of polymer-based nanocomposite materials, can solve the problems of difficult to achieve industrialized production, carbon nanotube residues, poor composite material performance, etc., and achieve easy industrialization, excellent antistatic performance, Actionable effect

Inactive Publication Date: 2014-10-01
QINGDAO UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

When rubber flocculation occurs, when the filling amount of carbon nanotubes is large, a large number of carbon nanotubes remain in the flocculation liquid, and the performance of the prepared composite material is poor, and it is difficult to realize large-scale industrial production

Method used

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  • Oil-filled and carbon nano tube filled emulsion coprecipitated rubber and preparation method thereof
  • Oil-filled and carbon nano tube filled emulsion coprecipitated rubber and preparation method thereof
  • Oil-filled and carbon nano tube filled emulsion coprecipitated rubber and preparation method thereof

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Embodiment 1-6

[0022] Embodiment 1-6: Taking naphthenic oil-filled carbon nanotube emulsion co-precipitation styrene-butadiene rubber and DOP-filled carbon nanotube emulsion co-precipitation nitrile rubber as examples, the oil-filled carbon nanotube emulsion co-precipitation rubber of the present invention is illustrated preparation method and properties.

[0023] (1) Preparation of modified carbon nanotube suspension: multi-walled carbon nanotubes and water are made into a suspension of 10wt% concentration, and the modifier vinylbenzenetrimethyl chloride of carbon nanotube quality 1wt% is added thereto ammonium chloride, stirred and reacted at 60° C. for 1 hour; then sodium dodecylbenzenesulfonate with 2 wt % carbon nanotube mass was added thereto, and stirring was continued for 10 minutes to prepare a modified carbon nanotube suspension.

[0024] (2) Preparation of emulsified oil: uniformly mix naphthenic oil or DOP with water and emulsifier, disperse at 60° C. for 30 minutes in a high-spe...

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Abstract

The invention discloses oil-filled and carbon nano tube filled emulsion coprecipitated rubber and a preparation method thereof. The oil-filled and carbon nano tube filled emulsion coprecipitated rubber comprises the following main ingredients in parts by weight: 100 parts of rubber, 1-40 parts of oil, 1-40 parts of carbon nano tube and 0.1-5 parts of anti-aging agent. The preparation method of the oil-filled and carbon nano tube filled emulsion coprecipitated rubber comprises the following steps: adding modified carbon nano tube suspension and the anti-aging agent into rubber latex, and stirring for 10-30 minutes at the temperature of 30-60 DEG C; adding emulsified oil into the mixture, and stirring for 1-10 minutes; adding a flocculating agent for flocculating, and dehydrating and drying, so that the oil filled and carbon nano tube filled emulsion coprecipitated rubber is prepared. The preparation method of the oil-filled and carbon nano tube filled emulsion coprecipitated rubber can overcome the defects of the traditional mechanical blending construction method that filler is not uniformly dispersed and energy consumption is high, a technology is simple, cost is low, and popularization is easy; requirements of different users can be met by regulating ratio of filling oil and filling carbon nano tubes; the emulsion coprecipitated rubber prepared by adopting the preparation method has excellent performance, and mechanical property, wear resistance and antistatic property of the emulsion coprecipitated rubber are greatly improved.

Description

technical field [0001] The invention relates to the technical field of polymer-based nanocomposite materials, in particular to an oil-filled carbon nanotube emulsion coprecipitated rubber and a preparation method thereof. Background technique [0002] Since the discovery of carbon nanotubes (CNTs), there has been a worldwide upsurge in research on CNTs. Based on the excellent mechanical properties of CNTs, it can provide excellent reinforcement and thermal fatigue resistance for the rubber matrix, prolonging its service life; the large aspect ratio of CNTs (greater than 1000) is conducive to improving the tear resistance and wear resistance of rubber sex. This effect cannot be achieved so far including carbon black, white carbon black, organic and inorganic fibers and other nano particles mixed with rubber. Therefore, the research and development of CNTs filled rubber composites is of great significance to the development of new high-performance rubber products. [0003] ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L9/08C08L9/04C08L7/02C08L11/02C08K5/01C08K5/103C08K9/04C08K7/24C08K13/06
Inventor 谷正李培耀宋国君王立
Owner QINGDAO UNIV
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