Title:
ポリエステル繊維
Document Type and Number:
Japanese Patent JP6475033
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a fiber which is a material of wet sheet making sheet holding practical strength, hardly generating problems on processability in a heat treatment and excellent in feeling.SOLUTION: There is provided a polyester fiber consisting of a polyester elastomer consisting polyethylene terephthalate as a hard segment and polytetramethylene glycol as a soft segment, and having a glass transition point of 28 to 50°C and a melting point of 230°C or more. There is provided a polyester finer according to Claim 1 having copolymerization amount of polytetramethylene glycol of 10 to 20 mass%.SELECTED DRAWING: None
Inventors:
Takashi Hashimoto
Tsukasa Miyata
Tsukasa Miyata
Application Number:
JP2015019420A
Publication Date:
February 27, 2019
Filing Date:
February 03, 2015
Export Citation:
Assignee:
Nippon Esther Co., Ltd.
International Classes:
D01F6/86; D04H1/435; D04H1/541; D21H13/24
Domestic Patent References:
| JP60209040A | ||||
| JP53010182B2 | ||||
| JP52005534B2 | ||||
| JP49007357B1 | ||||
| JP6192915A |