| 摘要 |
PURPOSE: A bristle of toothbrush with a core-shell structure and a manufacturing method thereof are provided to improve the intensity and functionality of the bristle of a toothbrush. CONSTITUTION: A bristle of toothbrush with a core-shell structure comprises a core unit(5) and a shell unit(6). The core unit comprises a first resin composition including synthetic resin and inorganic particles. The shell unit comprises a second resin composition including synthetic resin, pigment, and fluorine. The synthetic resin is polyester, nylon, or the mixture thereof. The inorganic particles are selected from diatomite, kaolin, talc, silicon dioxide, and the like. |
