Title:
Generation of copolymer textiles, and dryness of copolymer textiles
Document Type and Number:
Japanese Patent JP5964321
Kind Code:
B2
Abstract:
The present invention concerns processes for reducing water in never-dried fiber comprising copolymer derived from the copolymerization of para-phenylenediamine, 5(6) -amino-2-(p-aminophenyl)benzimidazole; and terephthaloyl dichloride, the process comprising the steps of: (a) heating the never-dried fiber to a temperature of at least 20° C. but less than 100 ° C. until the moisture content of the fiber is 20 weight percent or less of the fiber; and (b) further heating the fiber to a temperature of at least 350° C.
Inventors:
Allen Steven Earl
Newton Christopher William
Newton Christopher William
Application Number:
JP2013549564A
Publication Date:
August 03, 2016
Filing Date:
January 13, 2012
Export Citation:
Assignee:
E.I.DU PONT DE NEMOURS AND COMPANY
International Classes:
D01F6/80; C08G69/26; D01D10/00
Domestic Patent References:
| JP2010510394A | ||||
| JP7197307A | ||||
| JP2010229582A | ||||
| JP3104921A | ||||
| JP2242914A | ||||
| JP2001164425A | ||||
| JP2014503711A | ||||
| JP8510791A |
Foreign References:
| WO1994012704A1 | ||||
| US4985193 |
Attorney, Agent or Firm:
Koichi Tsujii
Sadao Kumakura
Atsushi Hakoda
Kenji Asai
Kazuo Yamazaki
Satsuki Ichikawa
Kobayashi Machiko
Sadao Kumakura
Atsushi Hakoda
Kenji Asai
Kazuo Yamazaki
Satsuki Ichikawa
Kobayashi Machiko