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Title:
POLYESTER COMPOSITION AND POLYESTER FIBERS
Document Type and Number:
WIPO Patent Application WO/2021/039848
Kind Code:
A1
Abstract:
The present invention provides polyester fibers having satisfactory black coloration. A polyester composition according to the present invention includes a polyester obtained using terephthalic acid or an ester-forming derivative thereof as a main acid ingredient and ethylene glycol as a main diol ingredient and contains monodispersed silica particles having an average primary-particle diameter of 0.15-0.30 μm.

Inventors:
MAEDA MASAAKI (JP)
SHIRAISHI YASUHIRO (JP)
Application Number:
PCT/JP2020/032203
Publication Date:
March 04, 2021
Filing Date:
August 26, 2020
Export Citation:
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Assignee:
TORAY INDUSTRIES (JP)
International Classes:
C08L67/00; C08G63/16; C08K3/36; D01F6/92
Foreign References:
JPH05311051A1993-11-22
JPH0836738A1996-02-06
JPS63238135A1988-10-04
JP2013189521A2013-09-26
JP2011207928A2011-10-20
JPS55107512A1980-08-18
JPH0586270A1993-04-06
Attorney, Agent or Firm:
EIKOH PATENT FIRM, P.C. (JP)
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