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Blackbody material for synthesis of large particle diamond

A diamond and large particle technology, applied in the application of ultra-high pressure process, etc., can solve the problems of small particles, complex structure, difficult processing, etc., achieve the effect of simple material composition, wide source of raw materials, and guaranteed synthesis temperature

Inactive Publication Date: 2017-04-26
JIXI HAOSHI NEW ENERGY MATERIALS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, at present, the particles of artificially synthesized diamonds are small, and the application fields are very limited. They are basically industrial applications. In particular, artificially synthesized large-grained diamonds of natural gem level cannot exceed 3 carats at most.
[0003] The invention patent with the application number CN201610006053.3 discloses a method and device for artificially growing large-grain diamond single crystals. Insulation grooves are needed to prevent heat conduction and ensure the synthesis temperature of large-grained diamonds. The structure is complex and difficult to process.

Method used

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  • Blackbody material for synthesis of large particle diamond
  • Blackbody material for synthesis of large particle diamond
  • Blackbody material for synthesis of large particle diamond

Examples

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Embodiment 1

[0023] Such as figure 1 Shown is the structural representation of the large-grain diamond synthesis device in the present invention; as figure 2 Shown is a schematic diagram of the current flow during the synthesis process of the large-grain diamond synthesis device in the present invention. A device for synthesizing large-grain diamonds provided by the present invention includes a diamond generating unit, a conductive component unit, a sealing unit, a heat preservation unit and a black body 1 .

[0024] The diamond generating unit includes a first graphite piece 2 , a metal catalyst 3 , a first heat preservation component 4 , and a second heat preservation component 5 . The top of the first graphite piece 2 is in contact with the first heat preservation component 4, and the bottom end of the first graphite piece 2 is in contact with the metal catalyst 3. The first graphite piece 2, the metal catalyst 3 and the first heat preservation component 4 are all placed in the second...

Embodiment 2

[0046] The difference between this embodiment and Embodiment 1 is that the thermal insulation material components used in the third thermal insulation component 11, the fourth thermal insulation component 12 and the fifth thermal insulation component 13 are composed of two high temperature resistant solid metal halide salts and titanium dioxide, Wherein the high temperature resistant solid metal halide salt can be sodium bromide or sodium iodide or potassium iodide or potassium bromide. The preferred two high temperature resistant solid metal halide salts in this embodiment are sodium bromide and sodium iodide, the first high temperature resistant solid metal halide salt is sodium bromide, and the second high temperature resistant solid metal halide salt is iodide Sodium, the first high-temperature-resistant solid metal halide salt, the second high-temperature-resistant solid metal halide salt and titanium dioxide are mixed and compressed according to the weight ratio of 2:2:1 ...

Embodiment 3

[0052] The difference between this embodiment and Embodiment 1 is that the thermal insulation material components used in the third thermal insulation component 11, the fourth thermal insulation component 12 and the fifth thermal insulation component 13 are composed of two high temperature resistant solid metal halide salts and titanium dioxide, Wherein the high temperature resistant solid metal halide salt can be sodium bromide or sodium iodide or potassium iodide or potassium bromide. The preferred two high temperature resistant solid metal halide salts in this embodiment are sodium bromide and sodium iodide, the first high temperature resistant solid metal halide salt is sodium bromide, and the second high temperature resistant solid metal halide salt is iodide Sodium, the first high-temperature-resistant solid metal halide salt, the second high-temperature-resistant solid metal halide salt and titanium dioxide are mixed and compressed according to a weight ratio of 3:2:1 to...

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Abstract

The invention provides a blackbody material for synthesis of large particle diamond. The blackbody material comprises at least one high temperature-resistant solid metal halide and graphite. The blackbody material has simple composition and is prepared from raw materials with wide sources. A pipe prepared from the blackbody material can be used in a diamond synthesis device, can radiate heat, does not conduct heat, effectively guarantees the synthesis temperature of the diamond, and realizes synthesis of large particle diamond having single crystals of greater than 5 karats and particle sizes of greater than 8mm.

Description

technical field [0001] The invention relates to the technical field of artificial diamond, in particular to a blackbody material used for the synthesis of large-grain diamond. Background technique [0002] Diamond is a mineral composed of carbon elements, a particle substance composed of simple elements in nature, and an allotrope of carbon elements (diamond, graphene, fullerene, carbon nanotubes). Diamond is the hardest naturally occurring substance found on earth, and its main use is cutting tools in crafts and industry. The technology of artificially synthesizing diamond with graphite under high temperature and high pressure has been very mature and widely used in industrial scale production. However, at present, the particles of artificially synthesized diamonds are small, and the fields of application are very limited. They are basically industrial applications, especially large-grained diamonds that cannot be synthesized artificially at the level of natural gemstones,...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01J3/06
CPCB01J3/06
Inventor 赵相初林坤峰赵建民刘高峰王艳春张伟齐伟姜综博马娜丽
Owner JIXI HAOSHI NEW ENERGY MATERIALS