JPS5688424A - Aromatic polyester - Google Patents
Aromatic polyesterInfo
- 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
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
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)
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)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5314278A (en) * | 1976-06-01 | 1978-02-08 | Lucas Industries Ltd | Fluid pressure system control means |
-
1979
- 1979-12-20 JP JP16639979A patent/JPS5688424A/en active Granted
Patent Citations (1)
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)
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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