JPS572335A - Preparation of aromatic polyester - Google Patents

Preparation of aromatic polyester

Info

Publication number
JPS572335A
JPS572335A JP7657980A JP7657980A JPS572335A JP S572335 A JPS572335 A JP S572335A JP 7657980 A JP7657980 A JP 7657980A JP 7657980 A JP7657980 A JP 7657980A JP S572335 A JPS572335 A JP S572335A
Authority
JP
Japan
Prior art keywords
aromatic polyester
polyester
terminal carboxyl
compound
biscycloiminoether
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.)
Granted
Application number
JP7657980A
Other languages
Japanese (ja)
Other versions
JPS6256897B2 (en
Inventor
Hiroo Inada
Makoto Ogasawara
Shunichi Matsumura
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.)
Teijin Ltd
Original Assignee
Teijin 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 Teijin Ltd filed Critical Teijin Ltd
Priority to JP7657980A priority Critical patent/JPS572335A/en
Publication of JPS572335A publication Critical patent/JPS572335A/en
Publication of JPS6256897B2 publication Critical patent/JPS6256897B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Polyesters Or Polycarbonates (AREA)
  • Artificial Filaments (AREA)

Abstract

PURPOSE: To obtain an aromatic polyester useful as fibers, films, etc., having high polymerization degree, by reacting a linear aromatic polyester having terminal carboxyl groups with a biscycloiminoether compound.
CONSTITUTION: An aromatic polyester having a terminal carboxyl group concentration preferably at least 20 equivalents based on 106g polymer, ≥0.4, intrinsic viscosity comprising an acid component consisting essentially of an aromatic dicarboxylic acid havng a melting point ≥170°C is reacted with a biscycloiminoether compound shown by the formula (X1 and X2 are 2W3C iminoether ring members; R1 and R2 are H or hydrocarbon group; D is bifunctional hydrocarbon group; n is 0 or 1) in a ratio of 0.1W2mol bisiminoether compound per equivalent terminal carboxyl group, at from a temperature by 15°C higher than the melt temperature of the polyester to at ≤330°C, to give the desired polyester.
COPYRIGHT: (C)1982,JPO&Japio
JP7657980A 1980-06-09 1980-06-09 Preparation of aromatic polyester Granted JPS572335A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7657980A JPS572335A (en) 1980-06-09 1980-06-09 Preparation of aromatic polyester

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7657980A JPS572335A (en) 1980-06-09 1980-06-09 Preparation of aromatic polyester

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP20184086A Division JPH0248173B2 (en) 1986-08-29 1986-08-29 HOKOZOKUHORIESUTERUSEIKEIHINNOSEIZOHO

Publications (2)

Publication Number Publication Date
JPS572335A true JPS572335A (en) 1982-01-07
JPS6256897B2 JPS6256897B2 (en) 1987-11-27

Family

ID=13609172

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7657980A Granted JPS572335A (en) 1980-06-09 1980-06-09 Preparation of aromatic polyester

Country Status (1)

Country Link
JP (1) JPS572335A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5953529A (en) * 1982-09-22 1984-03-28 Teijin Ltd Manufacture of polyester
JPS59164324A (en) * 1983-03-08 1984-09-17 Teijin Ltd Production of high-polymerization degree aromatic polyester

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5953529A (en) * 1982-09-22 1984-03-28 Teijin Ltd Manufacture of polyester
JPS59164324A (en) * 1983-03-08 1984-09-17 Teijin Ltd Production of high-polymerization degree aromatic polyester
JPH0355491B2 (en) * 1983-03-08 1991-08-23

Also Published As

Publication number Publication date
JPS6256897B2 (en) 1987-11-27

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