JPS5222098A - Process for preparing polyoxy tetramethylene glycol - Google Patents

Process for preparing polyoxy tetramethylene glycol

Info

Publication number
JPS5222098A
JPS5222098A JP9717975A JP9717975A JPS5222098A JP S5222098 A JPS5222098 A JP S5222098A JP 9717975 A JP9717975 A JP 9717975A JP 9717975 A JP9717975 A JP 9717975A JP S5222098 A JPS5222098 A JP S5222098A
Authority
JP
Japan
Prior art keywords
tetramethylene glycol
polyoxy tetramethylene
preparing
preparing polyoxy
oplymerizing
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
JP9717975A
Other languages
Japanese (ja)
Other versions
JPS591293B2 (en
Inventor
Satoshi Maeda
Atsushi Kondou
Kensho Okabe
Yuichi Nakanishi
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 JP9717975A priority Critical patent/JPS591293B2/en
Publication of JPS5222098A publication Critical patent/JPS5222098A/en
Publication of JPS591293B2 publication Critical patent/JPS591293B2/en
Expired legal-status Critical Current

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Abstract

PURPOSE: To prepare polyoxytetramethylene glycol by ring opening oplymerizing tetrahydrofuran using trifluoromethanesulfonic acid and fuming sulfuric acid as catalysts.
COPYRIGHT: (C)1977,JPO&Japio
JP9717975A 1975-08-12 1975-08-12 Polyoxytetramethylene glycol Expired JPS591293B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9717975A JPS591293B2 (en) 1975-08-12 1975-08-12 Polyoxytetramethylene glycol

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9717975A JPS591293B2 (en) 1975-08-12 1975-08-12 Polyoxytetramethylene glycol

Publications (2)

Publication Number Publication Date
JPS5222098A true JPS5222098A (en) 1977-02-19
JPS591293B2 JPS591293B2 (en) 1984-01-11

Family

ID=14185345

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9717975A Expired JPS591293B2 (en) 1975-08-12 1975-08-12 Polyoxytetramethylene glycol

Country Status (1)

Country Link
JP (1) JPS591293B2 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5931560A (en) * 1982-08-17 1984-02-20 Toyo Takasago Kandenchi Kk Manganese dioxide dry cell and its manufacture
JP2004211086A (en) * 2002-12-20 2004-07-29 Hodogaya Chem Co Ltd Method for producing polyether polyol with narrowed molecular weight distribution

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3838072B2 (en) * 2001-10-31 2006-10-25 ソニー株式会社 headphone

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5931560A (en) * 1982-08-17 1984-02-20 Toyo Takasago Kandenchi Kk Manganese dioxide dry cell and its manufacture
JPH0243307B2 (en) * 1982-08-17 1990-09-27
JP2004211086A (en) * 2002-12-20 2004-07-29 Hodogaya Chem Co Ltd Method for producing polyether polyol with narrowed molecular weight distribution

Also Published As

Publication number Publication date
JPS591293B2 (en) 1984-01-11

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