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Study on the Effects of High Thermal Conductive Fillers to the Thermal Conductivity of Offset Printing Ink
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Author: Huawei Duan, Fanxin Zeng, Qingxia Guo, Shuhai Tang
Abstract: In order to improve the thermal conductivity of printing ink, we research about high thermal conductive composite filler of thermal conductive graphene and nanometer magnesia effect on the conductive properties. After surface treatment, the thermal conductive graphene and nanometer magnesia were added to the offset ink as filler in proportion, then measure the thermal conductivity and compared with the normal offset ink. The result indicates that: the concentration of the composite filler in the offset ink is proportional obviously to thermal conductivity. The thermal conductivity of the offset ink is the biggest when the composite filler consist of 60% thermal conductive graphene and 40% nanometer magnesia, and reach 4.6224 W/m• K when the composite filler get 35%. Consequently, using isopropyl trioleic titanate to modify surface of thermal conductive graphene and nanometer magnesia can improve the thermal conductivity of the offset ink.
Keywords: Thermal Conductive Ink; Anti-counterfeiting Ink; Nanometer Magnesia; Thermal Conductive Graphene; Isopropyl Trioleic Titanate
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