JPS5215547A - Process for preparing dopes of aromatic polyamides - Google Patents

Process for preparing dopes of aromatic polyamides

Info

Publication number
JPS5215547A
JPS5215547A JP9105275A JP9105275A JPS5215547A JP S5215547 A JPS5215547 A JP S5215547A JP 9105275 A JP9105275 A JP 9105275A JP 9105275 A JP9105275 A JP 9105275A JP S5215547 A JPS5215547 A JP S5215547A
Authority
JP
Japan
Prior art keywords
aromatic polyamides
dopes
preparing
strong acid
preparing dopes
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP9105275A
Other languages
Japanese (ja)
Inventor
Shoji Goto
Hirosaku Nagasawa
Akira Mitsuishi
Yuzo Midorikawa
Tetsuo Matsushita
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Asahi Chemical Industry Co Ltd
Original Assignee
Asahi Chemical Industry Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Asahi Chemical Industry Co Ltd filed Critical Asahi Chemical Industry Co Ltd
Priority to JP9105275A priority Critical patent/JPS5215547A/en
Publication of JPS5215547A publication Critical patent/JPS5215547A/en
Pending legal-status Critical Current

Links

Landscapes

  • Processes Of Treating Macromolecular Substances (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Artificial Filaments (AREA)

Abstract

PURPOSE: To obtain a concentrated aromatic polyamide solution in a strong acid with good reproducibility and stably by preventing the decomposition caused by the heat generation at the time of dissolving the aromatic polyamides in the strong acid.
COPYRIGHT: (C)1977,JPO&Japio
JP9105275A 1975-07-28 1975-07-28 Process for preparing dopes of aromatic polyamides Pending JPS5215547A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9105275A JPS5215547A (en) 1975-07-28 1975-07-28 Process for preparing dopes of aromatic polyamides

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9105275A JPS5215547A (en) 1975-07-28 1975-07-28 Process for preparing dopes of aromatic polyamides

Publications (1)

Publication Number Publication Date
JPS5215547A true JPS5215547A (en) 1977-02-05

Family

ID=14015723

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9105275A Pending JPS5215547A (en) 1975-07-28 1975-07-28 Process for preparing dopes of aromatic polyamides

Country Status (1)

Country Link
JP (1) JPS5215547A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02228197A (en) * 1989-03-01 1990-09-11 Teijin Ltd Diaphragm for speaker

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02228197A (en) * 1989-03-01 1990-09-11 Teijin Ltd Diaphragm for speaker

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