JPS5222097A - Process for preparing polyoxy tetramethylene glycol - Google Patents

Process for preparing polyoxy tetramethylene glycol

Info

Publication number
JPS5222097A
JPS5222097A JP9717875A JP9717875A JPS5222097A JP S5222097 A JPS5222097 A JP S5222097A JP 9717875 A JP9717875 A JP 9717875A JP 9717875 A JP9717875 A JP 9717875A JP S5222097 A JPS5222097 A JP S5222097A
Authority
JP
Japan
Prior art keywords
tetramethylene glycol
preparing
polyoxy tetramethylene
preparing polyoxy
glycol
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
JP9717875A
Other languages
Japanese (ja)
Other versions
JPS591292B2 (en
Inventor
Satoshi Maeda
Atsushi Kondou
Kensho Okabe
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.)
Hodogaya Chemical Co Ltd
Original Assignee
Hodogaya Chemical Co 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 Hodogaya Chemical Co Ltd filed Critical Hodogaya Chemical Co Ltd
Priority to JP9717875A priority Critical patent/JPS591292B2/en
Publication of JPS5222097A publication Critical patent/JPS5222097A/en
Publication of JPS591292B2 publication Critical patent/JPS591292B2/en
Expired legal-status Critical Current

Links

Landscapes

  • Polyethers (AREA)

Abstract

PURPOSE: A process for preparing polyoxytetramethlene glycol by ring opening polymerizing tetrahydrofuran by the use of a carboxylic acid anhydride, sulfuric acid or hydrogen fluoride or a hydrofluoric acid salt as catalysts.
COPYRIGHT: (C)1977,JPO&Japio
JP9717875A 1975-08-12 1975-08-12 Method for producing polyoxytetramethylene glycol Expired JPS591292B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9717875A JPS591292B2 (en) 1975-08-12 1975-08-12 Method for producing polyoxytetramethylene glycol

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9717875A JPS591292B2 (en) 1975-08-12 1975-08-12 Method for producing polyoxytetramethylene glycol

Publications (2)

Publication Number Publication Date
JPS5222097A true JPS5222097A (en) 1977-02-19
JPS591292B2 JPS591292B2 (en) 1984-01-11

Family

ID=14185320

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9717875A Expired JPS591292B2 (en) 1975-08-12 1975-08-12 Method for producing polyoxytetramethylene glycol

Country Status (1)

Country Link
JP (1) JPS591292B2 (en)

Also Published As

Publication number Publication date
JPS591292B2 (en) 1984-01-11

Similar Documents

Publication Publication Date Title
JPS51128255A (en) Analog-digital converter
JPS5223020A (en) Process for preparation of fluorocompound containing oxygen
JPS5222097A (en) Process for preparing polyoxy tetramethylene glycol
JPS5222098A (en) Process for preparing polyoxy tetramethylene glycol
JPS5217453A (en) Process for preparation of 2,6- naphthalenedicarboxylic acid
JPS5217412A (en) Process for preparation of alkyleneglycolesters
JPS5233610A (en) Process for preparation of perfluorovinylether
JPS529696A (en) Manufacturing method of magnetic-sensitive active carbon
JPS51130694A (en) Process for producing methacrolein oxidation catalyst
JPS51129496A (en) Novel method for preparing polyoxytetramfthyleneglycol
JPS5239612A (en) Process for preparation of unsaturated glycol diesters
JPS51151389A (en) Process for preparing squalene oxide by the use of microorganisms
JPS51149210A (en) Process for preparation of tetrafluoroethylene oligomers
JPS5217414A (en) Process for preparation of alkyleneglycoholesters
JPS525741A (en) Process for preparation of carboxylic acid derivatives
JPS5223035A (en) Production of alkylbenzoic acids
JPS5253813A (en) Preparation of perfluorocarboxylic acid
JPS51131824A (en) Process for preparation of diglycollic acid
JPS5312806A (en) Preparation of alpha,omega-polymethylenediamine derivatives
JPS5315384A (en) Preparation of methylpiperazinones
JPS5225716A (en) Process for preparation of methacrylic acid
JPS51141835A (en) Process for preparing phenylacetic acid derivatives.
JPS52136105A (en) Preparation of 1,1-dichloro-4-methyl-1,3-pentadiene
JPS52148037A (en) Preparation of per-#-toluylic acid
JPS51113858A (en) Process for manufacturing naphthoquinone