公开(公告)号：US12123110B2

公开(公告)日：2024-10-22

申请号：US17423749

申请日：2020-02-12

申请人： DENKA COMPANY LIMITED

发明人： Atsushi Horihata ,  Takashi Muraoka ,  Atsushi Takei

IPC分类号： D01F6/60 ,  A41G3/00 ,  C08K3/34 ,  D01F1/10 ,  D01F8/12 ,  D01F8/16

CPC分类号： D01F6/60 ,  C08K3/34 ,  D01F1/10 ,  D01F8/12 ,  D01F8/16 ,  A41G3/0083 ,  D10B2331/02 ,  D10B2503/08

摘要： A fiber for artificial hair is constituted of a resin composition containing an aliphatic polyamide and inorganic particles, and in a particle size distribution of the inorganic particles measured by a laser diffraction method, a ratio (D50/D10) of D50, which is a particle size equivalent to a cumulative percentage of 50% based on volume, to D10, which is a particle size equivalent to a cumulative percentage of 10% based on volume, is 1.8 or more and 3.0 or less.

公开(公告)号：US20240044049A1

公开(公告)日：2024-02-08

申请号：US18257086

申请日：2021-10-21

申请人： Denka Company Limited

发明人： Takashi Muraoka ,  Yuki Sagara

IPC分类号： D01F1/10 ,  D01F6/10 ,  D01D5/084 ,  A41G3/00 ,  C08L27/06

CPC分类号： D01F1/10 ,  D01F6/10 ,  D01D5/084 ,  A41G3/0083 ,  C08L27/06 ,  D10B2503/08 ,  D10B2321/041 ,  D10B2401/20

摘要： A fiber for artificial hair, the fiber comprising a synthetic resin and a microparticle, wherein a content difference |C1-C2| between a content C1 of a microparticle of smaller than 2 μm in particle size, and a content C2 of a microparticle of 2 μm or larger and smaller than 5 μm in particle size is 70% by mass or less based on the total amount of the microparticle, and the content of a microparticle of 5 μm or larger in particle size, C3, is less than 25% by mass based on the total amount of the microparticle.

公开(公告)号：US20200288801A1

公开(公告)日：2020-09-17

申请号：US16765789

申请日：2019-03-01

申请人： DENKA COMPANY LIMITED

发明人： Takashi Muraoka ,  Atsushi Horihata ,  Atsushi Takei

IPC分类号： A41G3/00 ,  C08K5/523 ,  C08K3/11 ,  A41G5/00 ,  D01F6/90 ,  D01F6/92 ,  D02G3/44

摘要： A fiber bundle for artificial hair that has good curl setting characteristics, good combing property, tactile sensation and glossiness similar to human hair, and flame retardancy is provided. According to the present invention, provided is a fiber bundle for artificial hair is comprising 20 to 90 parts by mass of a polyester fiber and 10 to 80 parts by mass of a polyamide fiber, wherein the polyester fiber contains a polyester resin (A), a flame retardant (C1) and an auxiliary flame retardant (D1), and the polyamide fiber contains a polyamide resin (B), a flame retardant (C2) and an auxiliary flame retardant (D2).

公开(公告)号：US20240271332A1

公开(公告)日：2024-08-15

申请号：US18006805

申请日：2021-06-30

申请人： DENKA COMPANY LIMITED

发明人： Takashi Muraoka ,  Yuki Sagara

IPC分类号： D01F6/90 ,  A41G3/00 ,  D01F1/10 ,  D01F6/48 ,  D06M13/188 ,  D06M13/224

CPC分类号： D01F6/90 ,  A41G3/00 ,  D01F1/10 ,  D01F6/48 ,  D06M13/188 ,  D06M13/224

摘要： An artificial hair fiber comprising a synthetic resin fiber; and one or more compounds selected from the group consisting of palmitic acid, a palmitate, palmitic acid glyceride, stearic acid, a stearate, and stearic acid glyceride, adhering to the synthetic resin fiber, wherein a total content of the compound is 0.05 wt % or more and less than 0.15 wt % based on a total amount of the artificial hair fiber.