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JPS53110695A - Saponification of polyvinyl acetate - Google Patents

Saponification of polyvinyl acetate

Info

Publication number
JPS53110695A
JPS53110695A JP2633577A JP2633577A JPS53110695A JP S53110695 A JPS53110695 A JP S53110695A JP 2633577 A JP2633577 A JP 2633577A JP 2633577 A JP2633577 A JP 2633577A JP S53110695 A JPS53110695 A JP S53110695A
Authority
JP
Japan
Prior art keywords
saponification
polyvinyl acetate
methanol
narrow
prepare
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
JP2633577A
Other languages
Japanese (ja)
Other versions
JPS6141923B2 (en
Inventor
Masao Washimi
Junichi Suenaga
Kazuro Emura
Hideo Tamaki
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.)
Unitika Ltd
Unitika Chemical Co Ltd
Original Assignee
Unitika Ltd
Unitika 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 Unitika Ltd, Unitika Chemical Co Ltd filed Critical Unitika Ltd
Priority to JP2633577A priority Critical patent/JPS53110695A/en
Publication of JPS53110695A publication Critical patent/JPS53110695A/en
Publication of JPS6141923B2 publication Critical patent/JPS6141923B2/ja
Granted legal-status Critical Current

Links

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  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)

Abstract

PURPOSE: To prepare a polyvinyl alcohol of low melt viscosity, having a narrow saponification distribution, by dissolving polyvinyl acetate in a specific quantity of methanol and then carrying out saponification in the presence of an alkaline catalyst.
COPYRIGHT: (C)1978,JPO&Japio
JP2633577A 1977-03-10 1977-03-10 Saponification of polyvinyl acetate Granted JPS53110695A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2633577A JPS53110695A (en) 1977-03-10 1977-03-10 Saponification of polyvinyl acetate

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2633577A JPS53110695A (en) 1977-03-10 1977-03-10 Saponification of polyvinyl acetate

Publications (2)

Publication Number Publication Date
JPS53110695A true JPS53110695A (en) 1978-09-27
JPS6141923B2 JPS6141923B2 (en) 1986-09-18

Family

ID=12190554

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2633577A Granted JPS53110695A (en) 1977-03-10 1977-03-10 Saponification of polyvinyl acetate

Country Status (1)

Country Link
JP (1) JPS53110695A (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100419848B1 (en) * 2001-12-04 2004-02-25 동양제철화학 주식회사 Process for preparing polyvinyl alcohol microfibril
KR100487024B1 (en) * 2002-11-27 2005-05-03 학교법인 영남학원 Cross-linked polyvinyl alcohol adhesive having various stereoregularities and manufacturing method thereof
KR101024173B1 (en) 2008-05-20 2011-03-22 영남대학교 산학협력단 Polyvinyl alcohol microfibrillated fiber and preparation method thereof
KR101295647B1 (en) * 2011-06-24 2013-08-12 에스케이씨 주식회사 Method for preparing polyvinyl alcohol resin of high purity
JPWO2020203660A1 (en) * 2019-03-29 2020-10-08

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5187542A (en) * 1975-01-31 1976-07-31 Unitika Ltd HORIBINIRUARUKOORUKEIHOTSUTOMERUTOGATASETSUCHAKUZAINO SEIZOHOHO
JPS5187593A (en) * 1975-01-31 1976-07-31 Unitika Ltd Horisakusanbiniruno kenkahoho

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5187542A (en) * 1975-01-31 1976-07-31 Unitika Ltd HORIBINIRUARUKOORUKEIHOTSUTOMERUTOGATASETSUCHAKUZAINO SEIZOHOHO
JPS5187593A (en) * 1975-01-31 1976-07-31 Unitika Ltd Horisakusanbiniruno kenkahoho

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100419848B1 (en) * 2001-12-04 2004-02-25 동양제철화학 주식회사 Process for preparing polyvinyl alcohol microfibril
KR100487024B1 (en) * 2002-11-27 2005-05-03 학교법인 영남학원 Cross-linked polyvinyl alcohol adhesive having various stereoregularities and manufacturing method thereof
KR101024173B1 (en) 2008-05-20 2011-03-22 영남대학교 산학협력단 Polyvinyl alcohol microfibrillated fiber and preparation method thereof
KR101295647B1 (en) * 2011-06-24 2013-08-12 에스케이씨 주식회사 Method for preparing polyvinyl alcohol resin of high purity
JPWO2020203660A1 (en) * 2019-03-29 2020-10-08
WO2020203660A1 (en) * 2019-03-29 2020-10-08 三菱ケミカル株式会社 Poly(vinyl alcohol)-based resin, method for producing poly(vinyl alcohol)-based resin, dispersant, and dispersant for suspension polymerization

Also Published As

Publication number Publication date
JPS6141923B2 (en) 1986-09-18

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