A kind of self-assembled lightweight thermally conductive silicone rubber composite material in compressed space and preparation method thereof
A technology of thermally conducting silicone rubber and compressing space, applied in the field of materials, can solve the problems of reducing the overall density and low thermal conductivity of silicone rubber composite materials
Active Publication Date: 2022-08-09
HEFEI UNIV OF TECH
View PDF5 Cites 0 Cited by
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
[0003] The present invention aims to provide a self-assembled lightweight thermally conductive silicone rubber composite material in a compressed space, which can solve the defect of low thermal conductivity of the silicone rubber composite material when the thermally conductive filler is low loaded, and reduces the overall cost of the silicone rubber composite material. density
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 moreImage
Smart Image Click on the blue labels to locate them in the text.
Smart ImageViewing Examples
Examples
Experimental program
Comparison scheme
Effect test
preparation example Construction
[0031] See figure 1 Show, for the processing diagram of the processing method of the self -assembly light thermal conductivity silicon rubber composite material in the compression space in the invention of the present invention, at least the following steps:
[0032] S1. Use the epoxyls silicoane coupling agent to modify the powder -like boron nitride to obtain boron nitride with epoxy -based structure;
[0033] S2. Use amino silicane coupling agent to modify the powder -shaped carbide silicon crystal to obtain carbide silicon crystals with amino structures;
[0034] S3. Boron nitride with epoxy -based structures, carbonic silicon crystals with amino structures, compressed particles and silicon rubber with amino -based structures, and obtain a light -conductive silicon rubber composite material.
[0035] Specifically, in the step S1, hydrolyze the cylinder of the cylinder of the cycle of oxide, and the powder -like boron nitrite and hydrolyzed epoxy silicane coupling agent can be ...
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
| Property | Measurement | Unit |
|---|---|---|
| particle size | aaaaa | aaaaa |
| particle diameter | aaaaa | aaaaa |
| particle diameter | aaaaa | aaaaa |
Login to View More
Abstract
The invention discloses a self-assembled lightweight thermally conductive silicone rubber composite material in a compressed space and a preparation method thereof, wherein the self-assembled lightweight thermally conductive silicone rubber composite material in the compressed space comprises: silicone rubber; compressed particles, distributed In the silicone rubber, the compressed particles are used to compress the reaction space inside the silicone rubber; the filler particles are arranged around the compressed particles; wherein, the filler particles are composed of silicon carbide whiskers with an amino structure. Molecular composition formed by reacting with boron nitride having an epoxy structure. The present invention facilitates the transfer of heat-conducting phonons in the heat-conducting network, thereby further improving the thermal conductivity of the heat-conducting silicone rubber composite material, and the addition of hollow glass microspheres reduces the overall density of the silicone-rubber composite material, and becomes a lightweight silicone rubber composite material Material.
Description
Technical field [0001] The present invention is a material technology field, which involves a self -assembly light -conducting Silicon rubber composite material and its preparation methods in a compressed space. Background technique [0002] With the rapid development of micro -electronics integration technology and electronics industry, electronic components and equipment have developed increasingly in light, thin, and small directions, which has made its working environment increasingly high temperature. If the electronic device wants to work normally, the requirements of timely heat dissipation capacity will be highlighted. High -conductive insulation materials have become more and more important in modern high -tech fields such as electronic components, light -emitting diode (LED) lighting, solar energy, transportation, aerospace, national defense military industry and other modern high -tech fields. Polymer materials are adverse conductors of heat and electricity, and the th...
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
Login to View More Patent Type & Authority Patents(China)
IPC IPC(8): C08L83/07C08K13/06C08K9/06C08K3/38C08K7/10C08K7/28
CPCC08K13/06C08K9/06C08K3/38C08K7/10C08K7/28C08K2003/385C08L83/04
Inventor 徐卫兵张帅周正发任凤梅马海红
Owner HEFEI UNIV OF TECH