Title:
LATENT TRACHYCHROMATIC SPRIT POLYESTER COMPOSITE FIBER, TRACHYCHROMATIC POLYESTER ULTRA FINE FIBER, METHOD FOR PRODUCING TRACHYCHROMATIC POLYESTER ULTRA FINE FIBER, AND WOVEN KNITTED FABRIC INCLUDING TRACHYCHROMATIC POLYESTER ULTRA FINE FIBER
Document Type and Number:
Japanese Patent JP2019044281
Kind Code:
A
Abstract:
To provide a polyester ultra fine fiber excellent in trachychromatic properties and a feeling when being made into a fabric.SOLUTION: Provided is a latent trachychromatic split polyester composite fiber in which a poor-soluble polyester resin composition is plurally split with a readily-soluble polyester resin. The poor-soluble polyester resin composition includes a poor-soluble polyester resin and generation particles. The generation particles are derived from a phosphorus compound and an alkaline-earth metal compound or are derived from a phosphorus compound, an alkali metal compound and an alkaline-earth metal compound, and the average particle diameter of the generation particles is 0.05 to 0.5 μm.SELECTED DRAWING: Figure 1
Inventors:
HOSOI KAZUYA
MARUTANI JUNICHI
HAYATO YASUO
OKA HITOSHI
MARUTANI JUNICHI
HAYATO YASUO
OKA HITOSHI
Application Number:
JP2017166013A
Publication Date:
March 22, 2019
Filing Date:
August 30, 2017
Export Citation:
Assignee:
NIPPON ESTER CO LTD
UNITIKA TRADING CO LTD
UNITIKA TRADING CO LTD
International Classes:
D01F8/14; D03D15/00; D04B1/16