Passive capacitance pen point, passive capacitance pen and pen point preparation method

Abstract

The invention relates to the technical field of touch control, and provides a passive capacitance pen point, a passive capacitance pen and a pen point preparation method thereof. The passive capacitance pen pointcomprises a pen point outer layer and a pen point main body layer, the pen point outer layer is fixedly coated on the outer surface of the pen point main body layer; the pen point outer layer is prepared from the following raw materials in parts by weight: 100 to 150 parts of a first pen point base material, 2 to 15 parts of first conductive filler, 3 to 20 parts of a wear-resistant auxiliary agent, 0.1 to 8 parts of a plasticizer, 0.2 to 3 parts of a first coupling agent, 0.1 to 5 parts of a first dispersing agent, 0 to 6 parts of a first vulcanizing agent and 0 to 10 parts of a coloring agent; and the pen point main body layer comprises the following raw materials in parts by weight: 300-500 parts of a second pen point base material, 5-25 parts of a second conductive filler,0.2-3 parts of a second coupling agent, 0.1-5 parts of a second dispersing agent and 0-6 parts of a second vulcanizing agent. The passive capacitance pen pointis high in writing smoothness, good in abrasion resistance, small in screen impact sound, free of damage to a screen, good in conductivity and high in mechanical strength, and excellent writing experience is obtained after the passive capacitance pen pointis assembled into a capacitance pen.

Description

technical field [0001] The invention belongs to the field of touch technology, in particular to a nib of a passive capacitive pen, a passive capacitive pen and a method for preparing the nib. Background technique [0002] With the popularization of touch screens in people's life and work, the stylus, which has the advantages of high touch precision, rich expansion functions and conforming to consumers' usage habits, has gradually become one of the mainstream human-computer interaction methods. In order to achieve the best writing effect and user experience, it is necessary to optimize and modify the material of the nib and adjust its processing and molding process. [0003] Passive capacitive pen, its principle is to imitate the touch effect of fingers, the pen tip is a conductive material, and can cause the capacitance change of the touch screen matrix when it is in contact with the touch screen, the current popular passive capacitive pen tip materials on the market include...

AI Technical Summary

Problems solved by technology

However, the addition of fillers with different components often splits the continuous phase of the matrix material, and interface defects seriously damage its integrity, resulting in a decrease in mechanical properties such as toughness and impact resistance, and unrecoverable deformation and damage are prone to occur during drop tests

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