公开(公告)号：US10793976B2

公开(公告)日：2020-10-06

申请号：US16084199

申请日：2017-02-28

Applicant: Toray Industries, Inc.

Inventor： Hidekazu Kano ,  Shogo Hamanaka ,  Katsuhiko Mochizuki

IPC: D01F8/06 ,  D01F1/10 ,  C08G63/199 ,  D01F6/46 ,  D01F8/14 ,  D01D5/36 ,  C08G63/18

Abstract: A dyeable polyolefin fiber includes a sea-island structure in which a polyolefin (A) is the sea component and a copolyester (B) obtained by copolymerizing cyclohexanedicarboxylic acid is the island component, the polyolefin fiber characterized in that the dispersion diameter of the island component in a lateral cross section of the fiber is 30 to 1000 nm. The dyeable polyolefin fiber is bright, deep coloring is imparted to the lightweight polyolefin fiber, oxidative decomposition during tumbler drying and yellowing during long-term storage are minimized, and the polyolefin fiber can be suitably used as a fibrous structure.

公开(公告)号：US20150051308A1

公开(公告)日：2015-02-19

申请号：US14387025

申请日：2013-03-07

Applicant: TORAY INDUSTRIES, INC.

Inventor： Hidekazu Kano ,  Shogo Hamanaka ,  Yoshitaka Aranishi

IPC: D01F8/06

CPC classification number: D01F8/06 ,  C04B24/38 ,  D01D5/247 ,  D01D5/30 ,  D01D5/36 ,  D01D5/38 ,  D01F6/04 ,  D10B2201/28 ,  D10B2201/30 ,  D10B2321/022 ,  D10B2321/06 ,  D10B2321/08 ,  D10B2321/121 ,  D10B2331/02 ,  D10B2331/041 ,  D10B2331/042 ,  D10B2401/10

Abstract: Provided are a polymethylpentene conjugate fiber, which is capable of imparting to a lightweight polymethylpentene fiber an ability to develop a vivid and deep color, and a porous polymethylpentene fiber, which has a lightweight, a high pore diameter uniformity and a high porosity retention ratio against an external force, said polymethylpentene conjugate fiber and said porous polymethylpentene fiber being appropriately usable as a fiber structure for woven knitted goods, non-woven fabrics, yarns, cotton waddings, etc. The polymethylpentene conjugate fiber is characterized by having an island-in-sea structure wherein the sea component comprises a polymethylpentene-based resin and the island component comprises a thermoplastic resin. The porous polymethylpentene fiber, which comprises a polymethylpentene-based resin, is characterized in that the coefficient of variation (CV) of pore diameter at the fiber cross section is 1-50%.

Abstract translation: 提供一种聚甲基戊烯共轭纤维，其能够赋予轻质聚甲基戊烯纤维显色和深色的能力，以及多孔聚甲基戊烯纤维，其具有重量轻，高孔径均匀性和高孔隙率保持率对抗 所述聚甲基戊烯复合纤维和所述多孔聚甲基戊烯纤维可适当地用作编织物，无纺布，纱线，棉布等的纤维结构体。聚甲基戊烯共轭纤维的特征在于， 海构件，其中海组分包括聚甲基戊烯基树脂，岛组分包含热塑性树脂。 含有聚甲基戊烯系树脂的多孔聚甲基戊烯纤维的特征在于纤维截面的孔径的变异系数（CV）为1-50％。

公开(公告)号：US12180618B2

公开(公告)日：2024-12-31

申请号：US16960175

申请日：2019-01-10

Applicant: Toray Industries, Inc.

Inventor： Hidekazu Kano ,  Masashi Nagao ,  Katsuhiko Mochizuki

IPC: D01F8/06 ,  C08L67/02 ,  D01F8/14

Abstract: A dyeable polyolefin fiber is a polymer alloy fiber having a sea-island structure in which the sea ingredient comprises a polyolefin (A) and the island ingredient comprises a polyester (B), the fiber having a degree of elongation of 10-80%. The polyester (B) in the dyeable polyolefin fiber has an orientation parameter, as determined by Raman spectroscopy, of 1.1-10.0. The dyeable polyolefin fiber is a highly lightweight polyolefin fiber capable of being brightly and deeply colored, is excellent in terms of color fastness and evenness in dyeing, and is suitable for use as a fibrous structure.

公开(公告)号：US20230323572A1

公开(公告)日：2023-10-12

申请号：US18018381

申请日：2021-07-16

Applicant: Toray Industries, Inc.

Inventor： Hiroo Katsuta ,  Masafumi Sudo ,  Shingo Takechi ,  Hidekazu Kano

IPC: D02G3/44 ,  A41D1/00 ,  D02G3/30

CPC classification number: D02G3/441 ,  A41D1/002 ,  D02G3/30 ,  D10B2401/16 ,  D10B2101/20

Abstract: A conductive fiber includes a metal layer on a fiber surface, having an average number of crimps of 2 crimps/cm or more, a volume resistivity of 2×10−6 Ω·cm to 1×10−2 Ω·cm, and a total fineness of 10 dtex to 1000 dtex, and having an average single-fiber diameter of 5 μm to 20 μm.

公开(公告)号：US20220312862A1

公开(公告)日：2022-10-06

申请号：US17642261

申请日：2020-08-05

Applicant: Toray Industries, Inc.

Inventor： Hidekazu Kano ,  Shohei Tsuchiya ,  Shingo Takechi

IPC: A41D13/002 ,  A41D31/12 ,  A41D31/14

Abstract: To provide a garment capable of suppressing a stuffy feeling and a hot feeling in the garment regardless of the presence or absence of air blowing from a blower fan, maintaining a comfortable environment in the garment, and having excellent wearing comfort, the garment includes a fabric mainly formed of hygroscopic fibers as constituent fibers, the fabric having air permeability of 45 cm3/cm2/s or less; and at least one air inlet for taking outside air into the garment.

公开(公告)号：US11359310B2

公开(公告)日：2022-06-14

申请号：US16325118

申请日：2017-08-03

Applicant: Toray Industries, Inc.

Inventor： Shogo Hamanaka ,  Hidekazu Kano ,  Katsuhiko Mochizuki

IPC: D02G3/04 ,  D01F8/06 ,  D01F8/14 ,  D02G1/02

Abstract: A false twist yarn includes dyeable polyolefin fibers characterized as being polymer alloy fibers each having a sea-island structure in which a polyolefin (A) is the sea component and a polyester (B) having cyclohexanedicarboxylic acid compolymerized therein is the island component, and in which the dispersion diameter of the island component in a fiber cross section is 30-1000 nm, wherein the number of the polymer alloy fibers is three or more, and the polymer alloy fibers have physical properties (1) and (2): (1) crimp recovery (CR) being 10-40%; and (2) hot-water dimensional change being 0.0-7.0%. The polyolefin false twist yarn is capable of developing vivid and profound colors even though the polyolefin fibers therein are light in weight.