Graphene-containing wear-resisting fluororubber and preparation method thereof

A technology of fluororubber and graphene, which is applied in the field of composite materials, can solve problems such as poor stability, complicated process, and no wear-resistant effect, and achieve good wear-resistant effect, improved wear-resistant performance, excellent gas barrier performance and heat resistance. Effect

Active Publication Date: 2016-01-20
AVIC BEIJING INST OF AERONAUTICAL MATERIALS
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  • Abstract
  • Description
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Problems solved by technology

[0005] Patent CN103937265A discloses a graphene-silicone rubber composite material and its preparation method. The rubber composite material containing graphene is prepared by mechanical blending method, which does not have the wear resistance effect described in the present invention; patent CN103408855A discloses a graphene-containing rubber composite material The graphene oxide rubber composite material is based on chlorosulfonated polyethylene, ethylene-vinyl acetate rubber, and hydrogenated nitrile rubber blended rubber. The graphene oxide rubber composite material is prepared by the emulsion blending method. The process is complicated and the stability is poor, and Cannot achieve effective wear resistance

Method used

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  • Graphene-containing wear-resisting fluororubber and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0028] The wear-resistant fluororubber material consists of 100 parts by mass of fluororubber, 10 parts of graphene, 0.05 parts of nano-diamond powder, 5 parts of acid absorbing agent, and 5 parts of carbon black.

[0029] Add fluororubber, graphene, nano-diamond powder, acid absorbing agent and carbon black into the internal mixer, and banbury at 60°C for 100min.

[0030] Then, the nanocomposite blend and the vulcanizing agent are uniformly mixed on a two-roller rubber mixing machine, and vulcanized on a flat vulcanizing machine to obtain a wear-resistant fluororubber material. The fluororubber is subjected to various performance tests according to the corresponding national standards.

Embodiment 2

[0032] The wear-resistant fluororubber material consists of 100 parts by mass of fluororubber, 20 parts of graphene, 5 parts of nano-diamond powder, 5 parts of acid absorbing agent, and 5 parts of white carbon black.

[0033] Add fluororubber, graphene, nano-diamond powder, acid absorbing agent and carbon black into the internal mixer, and banbury at 60°C for 100min.

[0034] Then, the nanocomposite blend and the vulcanizing agent are uniformly mixed on a two-roller rubber mixing machine, and vulcanized on a flat vulcanizing machine to obtain a wear-resistant fluororubber material. The nano-composite material is subjected to various performance tests according to the corresponding national standards.

Embodiment 3

[0036] The wear-resistant fluororubber material consists of 100 parts by mass of fluororubber, 0.05 parts of graphene, 15 parts of nano-diamond powder, 5 parts of acid absorbing agent, 10 parts of carbon black, and 5 parts of white carbon black.

[0037] Add fluorine rubber, graphene, nano-diamond powder, acid absorbing agent, carbon black and white carbon black into the internal mixer, and banbury at 60°C for 100 minutes.

[0038] Then, the nanocomposite blend and vulcanization system components are uniformly mixed on a two-roller rubber mixer, and vulcanized on a flat vulcanizer to obtain a wear-resistant fluororubber material. The nano-composite material is subjected to various performance tests according to the corresponding national standards.

[0039] Table 1 is the physical and mechanical properties of the examples. It can be seen from Table 1 that the wear-resistant fluororubber material of the present invention has more excellent mechanical properties and wear resist...

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Abstract

The invention relates to the field of rubber materials, and relates to graphene-containing wear-resisting fluororubber and a preparation method of the graphene-containing wear-resisting fluororubber, in particular to a composite material which is prepared from graphene, nano-diamond powder and fluororubber together. The graphene-containing wear-resisting fluororubber comprises the components of the fluororubber, the graphene, the nano-diamond powder and fillings and is prepared by adopting a machine blending method. According to the graphene-containing wear-resisting fluororubber disclosed by the invention, the mechanical property and the wear resistance of existing fluororubber are greatly increased, the surface friction coefficient of a material is reduced, and meanwhile, better gas barrier property and better heat conducting property are obtained.

Description

technical field [0001] The invention relates to the field of rubber materials, and relates to a wear-resistant fluororubber containing graphene and a preparation method thereof, in particular to a composite material composed of graphene, nano-diamond powder and fluororubber. Background technique [0002] Graphene is a flaky two-dimensional crystal in which carbon atoms are arranged in sp2 hybridized monoatomic layers in a hexagonal annular honeycomb shape. The theoretical thickness is only 0.335nm, the modulus can be as high as 1TPa, the strength can reach 130GPa, and the specific surface area can reach 2630m2g-1, with ultra-high thermal conductivity (3000-5000Wm-1K-1) and electrical conductivity (200000cm2V-1s-1), its application potential is immeasurable. [0003] Nano-diamond powder is a diamond powder with an average particle size of nanometer. It combines the unique surface properties of nanoparticles and the superhard properties of diamond micropowder. It has unique po...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L27/12C08K3/04C08K3/36
Inventor 王珊赵艳芬苏正涛王鹏
Owner AVIC BEIJING INST OF AERONAUTICAL MATERIALS
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