Heat absorbing particle

Details Heat absorbing particle Heat absorbing particle

C - Chemistry, Metallurgy

09

K

C09K 21/06 (2006.01) C09D 5/00 (2006.01) C09K 5/06 (2006.01) C09K 15/06 (2006.01) C09K 15/18 (2006.01) C09K 21/10 (2006.01) H05K 7/20 (2006.01)

Patent

CA 2429057

A heat-absorbing particle has a diameter of 1~1000 µ m and comprises a shell portion and a core portion. The shell portion is made of a high molecular polymer selected from a group consisting of melamine-formaldehyde, urea-formaldehyde resins, polyurethanes, and acrylics. The core portion is made of a heat-absorbing material that has a melting point at about 35°C -70°C and that is selected from a group consisting of straight chain alkanes, alcohols, and organic acids. A weight of the shell portion is about 1/20 - 1/2 of that of the core portion. The heat-absorbing particle may be processed to provide a coating material that may be coated on a surface of an object for heat-dissipation and/or antioxidation. The heat-absorbing material may further include a dye for providing a colorful appearance for the coating.

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