Title:
DOPE, AND METHOD FOR PRODUCTION OF FIBER USING THE DOPE
Document Type and Number:
WIPO Patent Application WO/2008/133351
Kind Code:
A1
Abstract:
Disclosed are: a dope which is useful for the production of a polyoxazole having
excellent heat resistance and mechanical properties; and a method for producing
a fiber by using the dope. Specifically disclosed are: a dope which comprises
an aqueous solution containing a polyamide having a repeating unit represented
by the formula (I) and having an intrinsic viscosity of 1 or greater and a quaternary
ammonium hydroxide represented by the formula (M), which has a concentration
of the polyamide of more than 10% by weight and not more than 25% by weight, and which
exhibits optical anisotropy at 50˚C; and a method for producing a fiber
by using the dope. (I) wherein Ar1 represents at least
one substituent selected from group consisting of the substituents shown below.
and (M) wherein R1, R2, R3
and R4 independently represent a hydrogen or a hydrocarbon group having
1 to 20 carbon atoms.
Inventors:
WILBERS DENNIS (JP)
CHOKAI MASAYUKI (JP)
KUWAHARA HIROAKI (JP)
DE WEIJER ANTON PETER (JP)
CHOKAI MASAYUKI (JP)
KUWAHARA HIROAKI (JP)
DE WEIJER ANTON PETER (JP)
Application Number:
PCT/JP2008/058324
Publication Date:
November 06, 2008
Filing Date:
April 24, 2008
Export Citation:
Assignee:
TEIJIN LTD (JP)
TEIJIN TECHNO PRODUCTS LTD (JP)
WILBERS DENNIS (JP)
CHOKAI MASAYUKI (JP)
KUWAHARA HIROAKI (JP)
DE WEIJER ANTON PETER (JP)
TEIJIN TECHNO PRODUCTS LTD (JP)
WILBERS DENNIS (JP)
CHOKAI MASAYUKI (JP)
KUWAHARA HIROAKI (JP)
DE WEIJER ANTON PETER (JP)
International Classes:
C08G73/22; C08K5/19; C08L77/10; C08L79/04; D01F6/74
Domestic Patent References:
WO2006126696A1 | 2006-11-30 | |||
WO2007052825A1 | 2007-05-10 |
Foreign References:
JP2007077524A | 2007-03-29 | |||
JP2004131533A | 2004-04-30 | |||
JP2000131844A | 2000-05-12 |
Attorney, Agent or Firm:
OHSHIMA, Masataka (BN Gyoen Building17-11, Shinjuku 1-chom, Shinjuku-ku TOKYO 22, JP)
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