Looking for breakthrough ideas for innovation challenges? Try Patsnap Eureka!

Stable low-oil-permeability two-component heat-conducting gel and preparation method thereof

A two-component, stable technology, used in the field of thermally conductive gel, can solve the problems of glue overflow, oil separation, and the large difference in viscosity of A/B components.

Inactive Publication Date: 2021-05-07
SHENZHEN DARBOND INTERFACE MATERIALS
View PDF5 Cites 6 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] During the actual application of the two-component thermally conductive gel, on the one hand, it will cause glue overflow due to the high viscosity and the large difference in viscosity between A and B components; Oil phenomenon; there is unstable hardness, as time goes on, the product cannot be cured normally

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
  • Stable low-oil-permeability two-component heat-conducting gel and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0014] A method for preparing a stable low-permeation oil two-component thermally conductive gel, comprising the following steps:

[0015] 1) Preparation of component A

[0016] Add 10 parts of dimethyl silicone oil, 5 parts of vinyl silicone oil, 2 parts of coupling agent mixture, 1 part of blue color paste, 0.3 parts of defoamer, and 0.5 parts of platinum catalyst into the stirring tank and stir for 0.5 hours at a speed of 30 -35rpm, add 200 parts of 1-5μm spherical alumina and stir for 0.5h at a speed of 10-15rpm, add 400 parts of 40-50μm spherical alumina and stir for 0.5h at a speed of 10-15rpm, add 70-80μm spherical aluminum nitride 50 parts, stirred for 0.5h, the speed is 5-10rpm, add 1 part of capsule-type platinum catalyst, stir for 0.5h, the speed is 5-100rpm, press the mixture out with a pressure plate, the diameter of the pressure plate and the diameter of the discharge port are controlled at 25 : 1, the length of the discharge port is 10cm, put it into the stirre...

Embodiment 2

[0020] A method for preparing a stable low-permeation oil two-component thermally conductive gel, comprising the following steps:

[0021] 1) Preparation of component A

[0022] Add 10 parts of dimethyl silicone oil, 8 parts of vinyl silicone oil, 5 parts of coupling agent mixture, 1 part of blue color paste, 0.5 parts of defoamer, and 0.8 parts of platinum catalyst into the stirring tank and stir for 0.5 hours at a speed of 30 -35rpm, add 300 parts of 1-5μm spherical alumina and stir for 0.5h at 10-15rpm, add 500 parts of 40-50μm spherical alumina and stir for 0.5h at 10-15rpm, add 70-80μm spherical aluminum nitride 80 parts, stirred for 0.5h, the speed is 5-10rpm, add 2 parts of capsule-type platinum catalyst, stir for 0.5h, the speed is 5-100rpm, press the mixture out with the pressure plate, the diameter of the pressure plate and the diameter of the discharge port are controlled at 25 : 1, the length of the discharge port is 10cm, put it into the stirred tank again, vacuu...

Embodiment 3

[0026] A method for preparing a stable low-permeation oil two-component thermally conductive gel, comprising the following steps:

[0027] 1) Preparation of component A

[0028] Add 10 parts of dimethyl silicone oil, 6 parts of vinyl silicone oil, 4 parts of coupling agent mixture, 1 part of blue color paste, 0.4 parts of defoamer, and 0.7 parts of platinum catalyst into the stirring tank and stir for 0.5 hours at a speed of 30 -35rpm, add 250 parts of 1-5μm spherical alumina and stir for 0.5h at a speed of 10-15rpm, add 450 parts of 40-50μm spherical alumina and stir for 0.5h at a speed of 10-15rpm, add 70-80μm spherical aluminum nitride 65 parts, stirred for 0.5h, the rotating speed is 5-10rpm, add 1.5 parts of capsule-type platinum catalyst, stir for 0.5h, the rotating speed is 5-100rpm, press the mixture out with the pressure plate, the diameter of the pressure plate and the diameter of the discharge port are controlled at 25 : 1, the length of the discharge port is 10cm,...

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

No PUM Login to View More

Abstract

The invention discloses stable low-oil-permeability two-component heat-conducting gel which comprises a component A and a component B; the component A is prepared from the following substances in parts by weight: 10 parts of dimethyl silicone oil, 5 to 8 parts of vinyl silicone oil, 2 to 5 parts of a coupling agent A, 1 part of blue color paste, 0.3 to 0.5 part of a polyether modified organic silicon defoaming agent, 0.5 to 0.8 part of a platinum catalyst, 1 to 2 parts of a microcapsule type platinum catalyst, 600 to 800 parts of spherical aluminum oxide and 50 to 80 parts of spherical aluminum nitride; the component B is prepared from the following substances in parts by weight: 18 parts of dimethyl silicone oil, 0.5-0.8 part of hydrogen-containing silicone oil, 2-5 parts of a coupling agent B, 0.3-0.5 part of a polyether modified organic silicon defoaming agent, 600-800 parts of spherical aluminum oxide and 50-80 parts of spherical aluminum nitride. According to the invention, the curing time of field frequency can be effectively prolonged, and normal curing can be realized within 6 months.

Description

technical field [0001] The invention relates to a heat-conducting gel, in particular to a stable low-oil two-component heat-conducting gel and a preparation method thereof. Background technique [0002] Thermally conductive gel has the remarkable characteristics of convenient construction, small assembly stress, and low thermal resistance, and its application is becoming more and more extensive. With the rapid development of communication and other industries, the thermal conductivity of products is required to be higher and higher, and to ensure smooth dispensing, the product flow rate is generally required to be greater than 50g / min. The improvement of thermal conductivity needs to be filled with a large amount of thermal conductive filler, and the viscosity of silicone resin is required to be lower and lower, so the selection and proportion of coupling agent is very important. [0003] During the actual application of the two-component thermally conductive gel, on the on...

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
IPC IPC(8): C08L83/04C08L83/07C08L83/05C08L83/12C08K13/04C08K7/18C08K5/5419
CPCC08L83/04C08L2205/025C08L2205/035C08K2201/014C08K2201/003C08L83/12C08K13/04C08K7/18C08K5/5419
Inventor 王红玉万炜涛陈田安
Owner SHENZHEN DARBOND INTERFACE MATERIALS
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Patsnap Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Patsnap Eureka Blog
Learn More
PatSnap group products

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

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com