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Patent Searching and Data


Title:
AROMATIC POLYAMIDE COMPOSITION
Document Type and Number:
Japanese Patent JPH09263634
Kind Code:
A
Abstract:

To obtain an aromatic polyamide composition suitable for e.g. films excellent in processability and travelability, having such a characteristic that the residuals extracted from the composition predominant in a specific aromatic polyamide with methanol stands at a specified level or lower relative to the pure water insolubles in the composition.

This composition has such a characteristic that the residuals extracted with methanol from the composition predominant in an aromatic polyamide composed of recurring unit of the formula CO-Ar1-CONH-Ar2-NH [Ar1 and Ar2 are each a divalent aromatic group and may bear substituent(s) differing from COX or NY on the aromatic ring; X is a halogen, OH or a 1-3C alkoxy; Y is H2, HSiR3 (R3 is a 1-4C alkyl), etc.] and dried at 200°C for one hour under a reduced pressure of 1mmHg stands at ≤5wt.% relative to the pure water insolubles in the composition.


Inventors:
NAKAWA TAKAHIRO
YAKUSHIJI HIROSHI
SUGANUMA HEIROKU
Application Number:
JP7636296A
Publication Date:
October 07, 1997
Filing Date:
March 29, 1996
Export Citation:
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Assignee:
TORAY INDUSTRIES
International Classes:
C08J5/18; C08G69/26; C08G69/32; C08L77/00; C08L77/10; (IPC1-7): C08G69/32; C08J5/18; C08L77/10