Preparing method and device of composite material of black lead for synthesizing diamond and catalyst

一种合成金刚石、复合材料的技术，应用在发明涉及复合材料的制备方法及设备领域，能够解决难以形成金属膜、影响金刚石晶体生长等问题，达到克服吸附作用差、工艺简单的效果

Active Publication Date: 2007-08-15
JIANGSU TIANYI ULTRA FINE METAL POWDER
View PDF0 Cites 18 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The above-mentioned powder catalyst process is based on the mixing of metal powder and graphite powder. Due to the large difference in density between metal powder and graphite, segregation is easy to occur during mixing, and the distribution of metal powder in graphite powder is discontinuous. It is difficult to form a continuous metal film in the environment of the synthesis cavity or the appearance of a single graphite particle, which affects the growth of diamond crystals

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Preparing method and device of composite material of black lead for synthesizing diamond and catalyst

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0019] The method of the present invention specifically comprises the following steps:

[0020] a. Clean and pollution-free high-purity graphite particles are placed in the heating chamber 6. In order to prevent the graphite particles from being oxidized and polluted during the heating process, the heating chamber must be heated to the graphite particles under a protective atmosphere such as vacuum or nitrogen or argon. For heating, the lower limit of the temperature should be higher than the boiling point of the metal carbonyl complex used for plating. The upper limit of the temperature is set according to the thickness of the required plating. The temperature is set lower, which is determined by calculation according to the heat required by the metal carbonyl complex per molar volume of the decomposed unit;

[0021] B. transport the graphite particles heated to the required temperature into the coating chamber 7 with vibration or stirring device 11, open the metal carbonyl c...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more

PUM

PropertyMeasurementUnit
particle diameteraaaaaaaaaa
Login to view more

Abstract

The invention discloses a method for preparing graphite-catalyst composite material used to compose diamond, and relative device. The inventive method comprises that first arranges clean graphite particles into a heating room (6) to be preheated while the low limit of heating temperature is higher than the boiling point of plated carbonyl metal complex and the high limit is designed according to plated thickness, then feeds the heated graphite particles into a plating room (7) with a vibrator or mixer (11), feeds carbonyl metal complex steam to plate, at last feeds the graphite particles into a cooling inactivating room (8) to be cooled and inactivated to be fed out or fed into next cycle. The inventive graphite-catalyst composite material has metal layer on the face of each graphite particle, with continuous metal contact between the particles in composite rod, while the invention can realize continuous catalyst metal membrane in composition, and continuously feed carbon source into diamond crystal nucleus to obtain complete crystal nucleus.

Description

technical field [0001] The invention relates to a preparation method and equipment for composite materials, in particular to a method of utilizing carbonyl metal complexes such as nickel tetracarbonyl, iron pentacarbonyl, dimanganese decacarbonyl, and dicobalt octacarbonyl to decompose on the surface of graphite particles to form nickel, iron, and manganese. , cobalt and other catalytic elements single-layer or composite coating method and equipment, especially a kind of heat that utilizes the heat brought by the heated graphite particles to decompose carbonyl nickel, iron, manganese and cobalt vapor on the graphite surface to form nickel, iron, manganese and cobalt The coating layer method and equipment, the composite material of graphite and nickel, iron, manganese and cobalt catalyst are used to press synthetic rod to synthesize diamond. Background technique [0002] Static high-pressure synthetic diamond must rely on the catalysis of transition metals or alloys to achiev...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more

Application Information

Patent Timeline
no application Login to view more
Patent Type & Authority Applications(China)
IPC IPC(8): B01J3/06B01J37/03C23C16/16C04B35/628
CPCC23C16/442C23C16/4417B01J23/745C23C16/54B01J21/18C23C16/16B01J37/086B01J23/34B01J23/74
Inventor 高为鑫王斌柯尊斌
Owner JIANGSU TIANYI ULTRA FINE METAL POWDER
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Try Eureka
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap