Shenzhen Thousandshores Technology Co., Ltd.

Dengwu Wu

Zhi Liu

Ding He

Xufeng Yang

Guohui Yang

Embodiments of the present disclosure provide a marker ink and a method for preparing thereof. The marker ink comprises a water-based acrylic resin, a pigment paste, a cross-linking agent, and water. A mean diameter of a pigment in the pigment paste is less than 150 nm.

Marker inks and methods for preparing thereof

The present disclosure provides a mark ink and a method for preparing the marker ink. The mark ink includes an azo-metal complex dye, a film-forming resin, and ethanol. The azo-metal complex dye is represented by a formula:

Marker inks and methods of preparing the marker inks

The embodiments of the present disclosure provide a connectable marker pen, including a body and a pen cap; wherein the pen cap is provided on at least one end of the body; an exterior of the pen cap is provided with one or more protrusions, and the one or more protrusions include at least one first protrusion and at least one second protrusion; and both the first protrusion and the second protrusion are provided on at least one surface of the exterior of the pen cap.

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Shenzhen, China

Dengwu Wu