BRUSH BRISTLE MATERIAL, AND BRUSH USING SAME

• Main Authors: HIDA TETSUNARI, SHIBATA TAKASHI, YAMAMOTO TAKEO, TOKI MISUZU, YAMANAKA HIROFUMI, MASUDA MASATO
• Format: Patent
• Language: Chinese; English
• Published: 28.09.2018
• Subjects: BRUSHWARE; HUMAN NECESSITIES; MANUFACTURE OF BRUSHES

Provided is a brush bristle material, wherein island parts are exposed at one end or both ends in the lengthwise direction of a sea-island composite fiber comprising at least two types of resin havingdifferent drug dissolution rates, said brush bristle material being characterized in that an outer peripheral surface forming part that forms the outer peripheral surface of the sea-island compositefiber is solely constituted by the sea part, and in that, in a cross-section of the sea-island composite fiber, the island parts in the sea-island composite fiber are unevenly distributed at positionsclose to the center other than the outer peripheral surface forming part. Further provided is a brush using the brush bristle material. Thus it is possible to provide: a brush bristle material that has an excellent cleaning performance without harming the object being cleaned and also has an excellent durability; and a brush using the brush bristle material. 刷子用毛材料，其是岛部在海岛复合纤维的长度方向个端部或两个端部露出的刷子用毛材料，所述海岛复合纤维由药剂溶解速度不同的2种以上的树