JPS51125154A - A process for preparing polyvinyl alcohol with a limited distribution of molecular weight - Google Patents

A process for preparing polyvinyl alcohol with a limited distribution of molecular weight

Info

Publication number
JPS51125154A
JPS51125154A JP408375A JP408375A JPS51125154A JP S51125154 A JPS51125154 A JP S51125154A JP 408375 A JP408375 A JP 408375A JP 408375 A JP408375 A JP 408375A JP S51125154 A JPS51125154 A JP S51125154A
Authority
JP
Japan
Prior art keywords
molecular weight
polyvinyl alcohol
limited 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
JP408375A
Other languages
Japanese (ja)
Other versions
JPS5753815B2 (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 JP408375A priority Critical patent/JPS51125154A/en
Publication of JPS51125154A publication Critical patent/JPS51125154A/en
Publication of JPS5753815B2 publication Critical patent/JPS5753815B2/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 limited distribution of molecular weight.
COPYRIGHT: (C)1976,JPO&Japio
JP408375A 1974-12-25 1974-12-25 A process for preparing polyvinyl alcohol with a limited distribution of molecular weight Granted JPS51125154A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP408375A JPS51125154A (en) 1974-12-25 1974-12-25 A process for preparing polyvinyl alcohol with a limited distribution of molecular weight

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP408375A JPS51125154A (en) 1974-12-25 1974-12-25 A process for preparing polyvinyl alcohol with a limited distribution of molecular weight

Publications (2)

Publication Number Publication Date
JPS51125154A true JPS51125154A (en) 1976-11-01
JPS5753815B2 JPS5753815B2 (en) 1982-11-15

Family

ID=11574876

Family Applications (1)

Application Number Title Priority Date Filing Date
JP408375A Granted JPS51125154A (en) 1974-12-25 1974-12-25 A process for preparing polyvinyl alcohol with a limited distribution of molecular weight

Country Status (1)

Country Link
JP (1) JPS51125154A (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 (7)

* 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
CN1328295C (en) * 2003-03-28 2007-07-25 Az电子材料（日本）株式会社 Auxiliary for forming fine pattern and process for producing the same
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
JPS5753815B2 (en) 1982-11-15

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