JPS5286499A - Preparation of polyalkylene glycol derivatives - Google Patents

Preparation of polyalkylene glycol derivatives

Info

Publication number
JPS5286499A
JPS5286499A JP276676A JP276676A JPS5286499A JP S5286499 A JPS5286499 A JP S5286499A JP 276676 A JP276676 A JP 276676A JP 276676 A JP276676 A JP 276676A JP S5286499 A JPS5286499 A JP S5286499A
Authority
JP
Japan
Prior art keywords
polyalkylene glycol
glycol derivatives
preparation
derivatives
vacuo
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.)
Pending
Application number
JP276676A
Other languages
Japanese (ja)
Inventor
Shinichi Akimoto
Masahiko Fujii
Akinori Suginaka
Takashi Ando
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.)
NOF Corp
Original Assignee
Nippon Oil and Fats 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 Nippon Oil and Fats Co Ltd filed Critical Nippon Oil and Fats Co Ltd
Priority to JP276676A priority Critical patent/JPS5286499A/en
Publication of JPS5286499A publication Critical patent/JPS5286499A/en
Pending legal-status Critical Current

Links

Landscapes

  • Polyethers (AREA)

Abstract

PURPOSE: To remove a very amount of formaldehyde contained in polyalkylene glycol derivatives by adding a water-soluble antioxidant to the polyalkylene glycol derivatives, and by the treatment in vacuo, or by blowing an inert gas into the mixture at 40 -100°C.
COPYRIGHT: (C)1977,JPO&Japio
JP276676A 1976-01-14 1976-01-14 Preparation of polyalkylene glycol derivatives Pending JPS5286499A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP276676A JPS5286499A (en) 1976-01-14 1976-01-14 Preparation of polyalkylene glycol derivatives

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP276676A JPS5286499A (en) 1976-01-14 1976-01-14 Preparation of polyalkylene glycol derivatives

Publications (1)

Publication Number Publication Date
JPS5286499A true JPS5286499A (en) 1977-07-18

Family

ID=11538450

Family Applications (1)

Application Number Title Priority Date Filing Date
JP276676A Pending JPS5286499A (en) 1976-01-14 1976-01-14 Preparation of polyalkylene glycol derivatives

Country Status (1)

Country Link
JP (1) JPS5286499A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0842964A1 (en) * 1996-11-18 1998-05-20 Kenrick M. Lewis Treatment of polyethers prior to hydrosilylation
JP2005343964A (en) * 2004-06-01 2005-12-15 Otsuka Pharmaceut Factory Inc Aqueous solution containing polyalkylene glycols and preparation method thereof

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0842964A1 (en) * 1996-11-18 1998-05-20 Kenrick M. Lewis Treatment of polyethers prior to hydrosilylation
US5986122A (en) * 1996-11-18 1999-11-16 Witco Corporation Treatment of polyethers prior to hydrosilylation
JP2005343964A (en) * 2004-06-01 2005-12-15 Otsuka Pharmaceut Factory Inc Aqueous solution containing polyalkylene glycols and preparation method thereof

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