JPS5688424A - Aromatic polyester - Google Patents

Aromatic polyester

Info

Publication number
JPS5688424A
JPS5688424A JP16639979A JP16639979A JPS5688424A JP S5688424 A JPS5688424 A JP S5688424A JP 16639979 A JP16639979 A JP 16639979A JP 16639979 A JP16639979 A JP 16639979A JP S5688424 A JPS5688424 A JP S5688424A
Authority
JP
Japan
Prior art keywords
logarithmic viscosity
polyester
tetrachloroethane
solvent
formula
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
JP16639979A
Other languages
Japanese (ja)
Other versions
JPH0246606B2 (en
Inventor
Kayuto Kyo
Isamu Hirose
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.)
Unitika Ltd
Original Assignee
Unitika 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 Unitika Ltd filed Critical Unitika Ltd
Priority to JP16639979A priority Critical patent/JPS5688424A/en
Publication of JPS5688424A publication Critical patent/JPS5688424A/en
Publication of JPH0246606B2 publication Critical patent/JPH0246606B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Polyesters Or Polycarbonates (AREA)

Abstract

PURPOSE: To provide an arom. polyester resin which contains a specified amount of acid anhydride linkages and has a specified logarithmic viscosity and excellent compatibility with other resin, derived from terephthalic acid, isophthalic acid and a dihydric phenol.
CONSTITUTION: There is provided the titled polyester which contains repeating units of formulas IWV [wherein R is phenylene, naphtylene or a group of formula VI (wherein X is O, S, SO2, CH2 propylidene; R1 is H, CH3, Cl, Br)] in such a proportion as to satisfy relationships VII and VIII and in which a logarithmic viscosity (ηT) of 1g/dl 25°C in tetrachloroethane is greater than 0.3, but smaller than 1.5 and the relation between ηT and ηN is expressed by the formula 1.0>ηT-ηN>0.02 where ηT is as defined above and ηN is a logarithmic viscosity of 1g/dl 25°C in a mixed phenol-tetrachloroethane (6/4 weight ratio) solvent in the presence of an alkali. Said polyester can be obtd. e.g. by mixing a solution of a mixt. of a terephthalic acid dihalide and a isophthalic acid dihalide in an org. solvent with an alkali soln. of a dihydric phenol with stirring.
COPYRIGHT: (C)1981,JPO&Japio
JP16639979A 1979-12-20 1979-12-20 Aromatic polyester Granted JPS5688424A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP16639979A JPS5688424A (en) 1979-12-20 1979-12-20 Aromatic polyester

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP16639979A JPS5688424A (en) 1979-12-20 1979-12-20 Aromatic polyester

Publications (2)

Publication Number Publication Date
JPS5688424A true JPS5688424A (en) 1981-07-17
JPH0246606B2 JPH0246606B2 (en) 1990-10-16

Family

ID=15830689

Family Applications (1)

Application Number Title Priority Date Filing Date
JP16639979A Granted JPS5688424A (en) 1979-12-20 1979-12-20 Aromatic polyester

Country Status (1)

Country Link
JP (1) JPS5688424A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2014201716A (en) * 2013-04-09 2014-10-27 ユニチカ株式会社 Polyarylate resin composition, and resin coating and film prepared using the same
WO2015022915A1 (en) 2013-08-13 2015-02-19 ユニチカ株式会社 Polyarylate resin

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5314278A (en) * 1976-06-01 1978-02-08 Lucas Industries Ltd Fluid pressure system control means

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5314278A (en) * 1976-06-01 1978-02-08 Lucas Industries Ltd Fluid pressure system control means

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2014201716A (en) * 2013-04-09 2014-10-27 ユニチカ株式会社 Polyarylate resin composition, and resin coating and film prepared using the same
WO2015022915A1 (en) 2013-08-13 2015-02-19 ユニチカ株式会社 Polyarylate resin
JP5844008B2 (en) * 2013-08-13 2016-01-13 ユニチカ株式会社 Polyarylate resin
JP2016028157A (en) * 2013-08-13 2016-02-25 ユニチカ株式会社 Polyarylate resin
CN105452328A (en) * 2013-08-13 2016-03-30 尤尼吉可株式会社 Polyarylate resin
CN105452328B (en) * 2013-08-13 2017-06-27 尤尼吉可株式会社 polyarylate resin
US9862800B2 (en) 2013-08-13 2018-01-09 Unitika Ltd. Polyarylate resin

Also Published As

Publication number Publication date
JPH0246606B2 (en) 1990-10-16

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