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JPS6426634A - Chlorine-containing aromatic aromatic polyester - Google Patents

Chlorine-containing aromatic aromatic polyester

Info

Publication number
JPS6426634A
JPS6426634A JP18213687A JP18213687A JPS6426634A JP S6426634 A JPS6426634 A JP S6426634A JP 18213687 A JP18213687 A JP 18213687A JP 18213687 A JP18213687 A JP 18213687A JP S6426634 A JPS6426634 A JP S6426634A
Authority
JP
Japan
Prior art keywords
formula
acid
polymer
iii
aromatic
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
JP18213687A
Other languages
Japanese (ja)
Other versions
JPH0525248B2 (en
Inventor
Noriaki Goto
Toru Yamanaka
Shunei Inoue
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.)
National Institute of Advanced Industrial Science and Technology AIST
Original Assignee
Agency of Industrial Science and Technology
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 Agency of Industrial Science and Technology filed Critical Agency of Industrial Science and Technology
Priority to JP18213687A priority Critical patent/JPS6426634A/en
Publication of JPS6426634A publication Critical patent/JPS6426634A/en
Publication of JPH0525248B2 publication Critical patent/JPH0525248B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Polyesters Or Polycarbonates (AREA)

Abstract

PURPOSE:To obtain the titled polymer having high strength and giving an optically anisotropic molded article by melt-molding, by polymerizing 3-chloro-4- oxybenzoic acid, 4-oxybenzoic acid, 4,6-diphenyldicarboxylic acid, hydroquinone, etc., at specific ratios. CONSTITUTION:3-Chloro-4-acetoxybenzoic acid, 4-acetoxybenzoic acid, 4,4'- diphenyldicarboxylic acid and hydroquinone acetate, etc., are subjected to deacetylation polycondensation at 250-350 deg.C and to polycondensation at 370 deg.C under reduced pressure to obtain the objective polymer composed of the structural units of formulas I-III [X is (substituted)phenylene, etc.] and formula IV (Y is phenylene or group of formula V). The sum of the units of formula I and formula II is 90-1mol.% and sum of the formula III and formula IV is 10-99mol.% based on the whole polymer. The molar ratios of I/II and III/IV are 10/0-0.1/9.9 and 10/0-3/7, respectively and the logarithmic viscosity of the polymer is 0.35-20.0dl/g measured in pentafluorophenol at 60 deg.C and a concentration of 0.1g/dl.
JP18213687A 1987-07-23 1987-07-23 Chlorine-containing aromatic aromatic polyester Granted JPS6426634A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP18213687A JPS6426634A (en) 1987-07-23 1987-07-23 Chlorine-containing aromatic aromatic polyester

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP18213687A JPS6426634A (en) 1987-07-23 1987-07-23 Chlorine-containing aromatic aromatic polyester

Publications (2)

Publication Number Publication Date
JPS6426634A true JPS6426634A (en) 1989-01-27
JPH0525248B2 JPH0525248B2 (en) 1993-04-12

Family

ID=16112969

Family Applications (1)

Application Number Title Priority Date Filing Date
JP18213687A Granted JPS6426634A (en) 1987-07-23 1987-07-23 Chlorine-containing aromatic aromatic polyester

Country Status (1)

Country Link
JP (1) JPS6426634A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0394813A3 (en) * 1989-04-26 1992-04-08 The Dow Chemical Company Melt processable thermotropic aromatic copolyesters and process for preparing same

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5941328A (en) * 1982-09-01 1984-03-07 Agency Of Ind Science & Technol Aromatic polyester
JPS60245631A (en) * 1984-05-17 1985-12-05 ヘキスト・セラニーズ・コーポレーション Manufacture of thermostable thermotropic liquid crystal polyester with desired chain length

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5941328A (en) * 1982-09-01 1984-03-07 Agency Of Ind Science & Technol Aromatic polyester
JPS60245631A (en) * 1984-05-17 1985-12-05 ヘキスト・セラニーズ・コーポレーション Manufacture of thermostable thermotropic liquid crystal polyester with desired chain length

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0394813A3 (en) * 1989-04-26 1992-04-08 The Dow Chemical Company Melt processable thermotropic aromatic copolyesters and process for preparing same

Also Published As

Publication number Publication date
JPH0525248B2 (en) 1993-04-12

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Legal Events

Date Code Title Description
EXPY Cancellation because of completion of term