JPS6470531A - Aromatic polyether and production thereof - Google Patents

Aromatic polyether and production thereof

Info

Publication number
JPS6470531A
JPS6470531A JP22777487A JP22777487A JPS6470531A JP S6470531 A JPS6470531 A JP S6470531A JP 22777487 A JP22777487 A JP 22777487A JP 22777487 A JP22777487 A JP 22777487A JP S6470531 A JPS6470531 A JP S6470531A
Authority
JP
Japan
Prior art keywords
polyether
groups
formula
expressed
halogen
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
JP22777487A
Other languages
Japanese (ja)
Other versions
JP2812942B2 (en
Inventor
Kiyoshi Okitsu
Motoyuki Ishikura
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.)
Daicel Corp
Original Assignee
Daicel Chemical Industries 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 Daicel Chemical Industries Ltd filed Critical Daicel Chemical Industries Ltd
Priority to JP62227774A priority Critical patent/JP2812942B2/en
Publication of JPS6470531A publication Critical patent/JPS6470531A/en
Application granted granted Critical
Publication of JP2812942B2 publication Critical patent/JP2812942B2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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  • Polyethers (AREA)

Abstract

PURPOSE:To obtain a polyether having excellent thermal stability with contents of terminal phenolic hydroxyl groups and phenolate groups suppressed to low values without coloring, by using an organic halide for reaction. CONSTITUTION:A polyether, having recurring units expressed by formula I (Y is direct bond, 1-5C alkylene, -CO-, -S-, etc.; Z is -SO2 or -CO-; R<1>, R<2>, R<3> and R<4> are -CH3, -C2H5, etc.; n1-n4 are 0-4) and the total content of phenolic hydroxyl groups and phenolate terminals of <=0.5% based on the whole terminal groups. Almost all of the terminal groups thereof are halogen, alkyl ether, aryl ether or aralkyl ether. This polyether is obtained by adding an organic halide compound to an equimolar mixture of a dihydric phenol expressed by formula II with a dihalogenobenzenoid compound expressed by formula III (X and X' are halogen at the o- or p-position to Z) and reacting the compounds in an organic highly polar inert solvent.
JP62227774A 1987-09-11 1987-09-11 Aromatic polyether and method for producing the same Expired - Lifetime JP2812942B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP62227774A JP2812942B2 (en) 1987-09-11 1987-09-11 Aromatic polyether and method for producing the same

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP62227774A JP2812942B2 (en) 1987-09-11 1987-09-11 Aromatic polyether and method for producing the same

Publications (2)

Publication Number Publication Date
JPS6470531A true JPS6470531A (en) 1989-03-16
JP2812942B2 JP2812942B2 (en) 1998-10-22

Family

ID=16866172

Family Applications (1)

Application Number Title Priority Date Filing Date
JP62227774A Expired - Lifetime JP2812942B2 (en) 1987-09-11 1987-09-11 Aromatic polyether and method for producing the same

Country Status (1)

Country Link
JP (1) JP2812942B2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114437353A (en) * 2016-10-26 2022-05-06 住友化学株式会社 Method for producing aromatic polysulfone

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58101113A (en) * 1981-12-11 1983-06-16 Mitsui Toatsu Chem Inc Manufacture of polyether polymer
JPS62195020A (en) * 1986-02-21 1987-08-27 Daicel Chem Ind Ltd Production of aromatic polyether

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58101113A (en) * 1981-12-11 1983-06-16 Mitsui Toatsu Chem Inc Manufacture of polyether polymer
JPS62195020A (en) * 1986-02-21 1987-08-27 Daicel Chem Ind Ltd Production of aromatic polyether

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114437353A (en) * 2016-10-26 2022-05-06 住友化学株式会社 Method for producing aromatic polysulfone

Also Published As

Publication number Publication date
JP2812942B2 (en) 1998-10-22

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