JPS60181126A - ポリエチレングリコ−ルの熱着色防止法 - Google Patents

ポリエチレングリコ−ルの熱着色防止法

Info

Publication number
JPS60181126A
JPS60181126A JP3542584A JP3542584A JPS60181126A JP S60181126 A JPS60181126 A JP S60181126A JP 3542584 A JP3542584 A JP 3542584A JP 3542584 A JP3542584 A JP 3542584A JP S60181126 A JPS60181126 A JP S60181126A
Authority
JP
Japan
Prior art keywords
polyethylene glycol
alkali
acid
peg
volume ratio
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
JP3542584A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0425969B2 (enrdf_load_stackoverflow
Inventor
Toshiyasu Mizutani
水谷　敏康
Haruo Morita
森田　治生
Osamu Namekata
行方　治
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.)
YOTSUKAICHI GOSEI KK
Original Assignee
YOTSUKAICHI GOSEI KK
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 YOTSUKAICHI GOSEI KK filed Critical YOTSUKAICHI GOSEI KK
Priority to JP3542584A priority Critical patent/JPS60181126A/ja
Publication of JPS60181126A publication Critical patent/JPS60181126A/ja
Publication of JPH0425969B2 publication Critical patent/JPH0425969B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Polyethers (AREA)
JP3542584A 1984-02-28 1984-02-28 ポリエチレングリコ−ルの熱着色防止法 Granted JPS60181126A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3542584A JPS60181126A (ja) 1984-02-28 1984-02-28 ポリエチレングリコ−ルの熱着色防止法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3542584A JPS60181126A (ja) 1984-02-28 1984-02-28 ポリエチレングリコ−ルの熱着色防止法

Publications (2)

Publication Number Publication Date
JPS60181126A true JPS60181126A (ja) 1985-09-14
JPH0425969B2 JPH0425969B2 (enrdf_load_stackoverflow) 1992-05-06

Family

ID=12441511

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3542584A Granted JPS60181126A (ja) 1984-02-28 1984-02-28 ポリエチレングリコ−ルの熱着色防止法

Country Status (1)

Country Link
JP (1) JPS60181126A (enrdf_load_stackoverflow)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5220100A (en) * 1992-07-28 1993-06-15 Shell Oil Company Method of removing lithium compounds from a polymer
JP2015071752A (ja) * 2013-09-09 2015-04-16 三洋化成工業株式会社 血漿分画用ポリエチレングリコール又は血漿分画用ポリエチレングリコールのモノメチルエーテル及びその製造方法
CN109232878A (zh) * 2018-07-13 2019-01-18 南京卡邦科技有限公司 一种聚乙二醇醚的纯化方法

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5220100A (en) * 1992-07-28 1993-06-15 Shell Oil Company Method of removing lithium compounds from a polymer
JP2015071752A (ja) * 2013-09-09 2015-04-16 三洋化成工業株式会社 血漿分画用ポリエチレングリコール又は血漿分画用ポリエチレングリコールのモノメチルエーテル及びその製造方法
CN109232878A (zh) * 2018-07-13 2019-01-18 南京卡邦科技有限公司 一种聚乙二醇醚的纯化方法

Also Published As

Publication number Publication date
JPH0425969B2 (enrdf_load_stackoverflow) 1992-05-06

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