Composition structure and application fields of thermal conductive double-sided adhesive
Dec 02,2024
Thermally conductive double-sided adhesive is generally a silicone polymer elastomer reinforced with glass fiber or polyimide film as the base material, which can effectively reduce the thermal resistance between electronic components and radiators. It is also electrically insulating, has high dielectric strength, good thermal conductivity, high chemical resistance, and can withstand circuit short circuits caused by high voltage and metal piercing. It is an excellent thermally conductive insulating material to replace traditional mica and silicone oil. This thermally conductive insulating material is often used in thermal conductive applications such as power supplies, automotive electronics, motor control, and power semiconductors. This thermally conductive insulating material can be supplied in the form of custom die-cutting, sheets, and rolls.
Thermally conductive double-sided adhesive is made by coating both sides of glass fiber with high-performance acrylic pressure-sensitive adhesive filled with high-thermal conductive ceramic particles. Thermally conductive double-sided adhesive has excellent thermal conductivity and bonding properties, so that electronic components and radiators do not need to be mechanically fixed and liquid adhesives are cured and fixed. When using thermally conductive double-sided adhesive, it can be immediately attached with just light pressure, and its bonding performance and bonding strength increase with temperature and time. Thermally conductive double-sided adhesive can also be die-cut into products of any shape and can be pre-laminated on a surface for future lamination.
Thermally conductive double-sided adhesive is widely used to bond heat sinks to microprocessors and other power-consuming semiconductors, such as chassis, frames or other heat dissipation components, large-capacity drives, heat pipe components, memory storage, high-frequency microprocessor chips, notebooks and desktop computers, etc. It has extremely strong bonding strength and low thermal impedance, and can effectively replace silicone grease and mechanical fixation.
In today's technological development, thermal conductive materials have emerged in the electronics industry, and thermally conductive double-sided adhesive is an electronic product that cannot be ignored in the electronics industry. Thermally conductive double-sided adhesive plays a major role in the electronics, LED lighting industry and LED TV fields. Thermally conductive double-sided adhesive is made of acrylic polymer filled with thermally conductive ceramic powder and compounded with organic silicone adhesive. The thermally conductive double-sided adhesive has the characteristics of high thermal conductivity and insulation, and is soft, compressible, conformable, and highly sticky. It can adapt to a wide temperature range, fill uneven surfaces, fit tightly and firmly to heat source devices and heat sinks, and quickly conduct heat away.
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