US 12,351,949 B2
Synthetic fiber treatment agent and synthetic fiber
Jun Ito, Gamagori (JP); Keiichiro Oshima, Gamagori (JP); and Takeshi Nishigawa, Gamagori (JP)
Assigned to TAKEMOTO YUSHI KABUSHIKI KAISHA, Gamagori (JP)
Appl. No. 17/905,186
Filed by TAKEMOTO YUSHI KABUSHIKI KAISHA, Gamagori (JP)
PCT Filed Jun. 7, 2021, PCT No. PCT/JP2021/021505
§ 371(c)(1), (2) Date Aug. 29, 2022,
PCT Pub. No. WO2021/251320, PCT Pub. Date Dec. 16, 2021.
Claims priority of application No. 2020-102307 (JP), filed on Jun. 12, 2020.
Prior Publication US 2023/0119627 A1, Apr. 20, 2023
Int. Cl. D01F 11/14 (2006.01)
CPC D01F 11/14 (2013.01) [D10B 2101/12 (2013.01)] 7 Claims
OG exemplary drawing
 
1. A synthetic fiber treatment agent comprising:
a polyoxyalkylene alkyl ether in which an alkylene oxide with 2 to 4 carbon atoms is added at a ratio of 12 to 30 moles in total to 1 mole of a monohydric aliphatic alcohol having a hydroxy group at a β-position of an alkyl chain with 4 or more carbon atoms; and
a silicone selected from the group consisting of dimethyl silicone and polyether-modified silicone.