JPS51125155A - A process for preparing polyvinyl alcohol with a narrow distribution o f molecular weight - Google Patents

A process for preparing polyvinyl alcohol with a narrow distribution o f molecular weight

Info

Publication number
JPS51125155A
JPS51125155A JP408475A JP408475A JPS51125155A JP S51125155 A JPS51125155 A JP S51125155A JP 408475 A JP408475 A JP 408475A JP 408475 A JP408475 A JP 408475A JP S51125155 A JPS51125155 A JP S51125155A
Authority
JP
Japan
Prior art keywords
molecular weight
polyvinyl alcohol
narrow distribution
preparing polyvinyl
preparing
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
JP408475A
Other languages
Japanese (ja)
Other versions
JPS5753816B2 (en
Inventor
Kotaro Ikeda
Kunitake Yamada
Minoru Ueda
Kiyokazu Imai
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.)
Kuraray Co Ltd
Original Assignee
Kuraray 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 Kuraray Co Ltd filed Critical Kuraray Co Ltd
Priority to JP408475A priority Critical patent/JPS51125155A/en
Publication of JPS51125155A publication Critical patent/JPS51125155A/en
Publication of JPS5753816B2 publication Critical patent/JPS5753816B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Processes Of Treating Macromolecular Substances (AREA)
  • Treatments Of Macromolecular Shaped Articles (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Extraction Or Liquid Replacement (AREA)

Abstract

PURPOSE: A process for preparing a polyvinyl alcohol (PVA) suitable for use in negative-working resists with improved resolving power and corrosion resistance,having a narrow distribution of molecular weight.
COPYRIGHT: (C)1976,JPO&Japio
JP408475A 1974-12-25 1974-12-25 A process for preparing polyvinyl alcohol with a narrow distribution o f molecular weight Granted JPS51125155A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP408475A JPS51125155A (en) 1974-12-25 1974-12-25 A process for preparing polyvinyl alcohol with a narrow distribution o f molecular weight

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP408475A JPS51125155A (en) 1974-12-25 1974-12-25 A process for preparing polyvinyl alcohol with a narrow distribution o f molecular weight

Publications (2)

Publication Number Publication Date
JPS51125155A true JPS51125155A (en) 1976-11-01
JPS5753816B2 JPS5753816B2 (en) 1982-11-15

Family

ID=11574906

Family Applications (1)

Application Number Title Priority Date Filing Date
JP408475A Granted JPS51125155A (en) 1974-12-25 1974-12-25 A process for preparing polyvinyl alcohol with a narrow distribution o f molecular weight

Country Status (1)

Country Link
JP (1) JPS51125155A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2004087773A1 (en) * 2003-03-28 2004-10-14 Az Electronic Materials (Japan) K.K. Auxiliary for forming fine pattern and process for producing the same
JP2007206728A (en) * 2007-04-24 2007-08-16 Az Electronic Materials Kk Auxiliary agent for forming fine pattern

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2004087773A1 (en) * 2003-03-28 2004-10-14 Az Electronic Materials (Japan) K.K. Auxiliary for forming fine pattern and process for producing the same
JP2004294992A (en) * 2003-03-28 2004-10-21 Clariant (Japan) Kk Auxiliary agent for forming fine pattern and its manufacturing method
US7598320B2 (en) 2003-03-28 2009-10-06 Az Electronic Materials Usa Corp. Protected polyvinyl alcohol auxiliary for forming fine pattern and process for producing the same
KR101059378B1 (en) * 2003-03-28 2011-08-26 에이제토 엘렉토로닉 마티리알즈 가부시키가이샤 Fine patterning aid and preparation method thereof
JP2007206728A (en) * 2007-04-24 2007-08-16 Az Electronic Materials Kk Auxiliary agent for forming fine pattern
JP4610578B2 (en) * 2007-04-24 2011-01-12 Ａｚエレクトロニックマテリアルズ株式会社 Fine pattern formation aid

Also Published As

Publication number Publication date
JPS5753816B2 (en) 1982-11-15

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