Title:
ポリビニルアルコール系重合体
Document Type and Number:
Japanese Patent JP7150004
Kind Code:
B2
Abstract:
Provided is a polyvinyl alcohol-based polymer useful for a polarizing film, etc. The syndiotacticity of the polyvinyl alcohol polymer is 54.0-56.0 mol%, and the content of a vinyl alcohol unit is 98-100 mol%.
More Like This:
| JP3763904 | PRODUCTION OF SPHERICAL WATER-CONTAINING GEL |
| JPH07500242 | [Title of Invention] Enzyme system |
| JPH03221532 | PREPARATION OF SHAPED PRODUCT |
Inventors:
Shuhei Kinri
Kasai Masatoshi
Kasai Masatoshi
Application Number:
JP2020501765A
Publication Date:
October 07, 2022
Filing Date:
February 19, 2019
Export Citation:
Assignee:
Japan Vinegar Poval Co., Ltd.
International Classes:
C08F16/06; C08F8/12; C08J5/18; C08L29/04; G02B5/30
Domestic Patent References:
| JP5002109A |
Foreign References:
| EP2097563B1 |
Other References:
HAN, M. H. et al.,Preparation of Syndiotacticity-Rich High Molecular Weight Poly(vinyl alcohol)/Iodine Polarizing Film,Journal of Applied Polymer Science,2010年,vol.115,pp.917-922,全文,特に,ABSTRACT, TABLE I(No.1,2,3), p.918 "Preparation of a- and s- PVAs", "Preparations of PVA
CHIROWODZA, H. et al.,Effect of Vinyl Pivalate/Vinyl Acetate Comonomer Composition on the Self-Assembled Morphology of Pol,Journal of Applied Polymer Science,2010年,vol.117,pp.3460-3465,全文,特に,ABSTRACT, p.3460"INTRODUCTION", TABLE II,III(sample 5)
YEUM, J. H. et al.,Effect of syndiotacticity on the morphology of water-soluble low molecular weight poly(vinyl alcohol) by solution copolymerization of vinyl pivalate/vinyl acetate in tetrahydrofuran and saponification,Polymer,2004年,vol.45,pp.4037-4043,全文,特に,ABSTRACT, p.4037"1. Introduction",p.4038"2.2. Solution copolymerization of VPi/VAc", "2
YEUM, J. H. et al.,Effect of syndiotacticity on the morphology of water-soluble low molecular weight poly(vinyl alcohol,Polymer,2004年,vol.45,pp.4037-4043,全文,特に,ABSTRACT, p.4037"1. Introduction",p.4038"2.2. Solution copolymerization of VPi/VAc", "2
CHIROWODZA, H. et al.,Effect of Vinyl Pivalate/Vinyl Acetate Comonomer Composition on the Self-Assembled Morphology of Pol,Journal of Applied Polymer Science,2010年,vol.117,pp.3460-3465,全文,特に,ABSTRACT, p.3460"INTRODUCTION", TABLE II,III(sample 5)
YEUM, J. H. et al.,Effect of syndiotacticity on the morphology of water-soluble low molecular weight poly(vinyl alcohol) by solution copolymerization of vinyl pivalate/vinyl acetate in tetrahydrofuran and saponification,Polymer,2004年,vol.45,pp.4037-4043,全文,特に,ABSTRACT, p.4037"1. Introduction",p.4038"2.2. Solution copolymerization of VPi/VAc", "2
YEUM, J. H. et al.,Effect of syndiotacticity on the morphology of water-soluble low molecular weight poly(vinyl alcohol,Polymer,2004年,vol.45,pp.4037-4043,全文,特に,ABSTRACT, p.4037"1. Introduction",p.4038"2.2. Solution copolymerization of VPi/VAc", "2
Attorney, Agent or Firm:
Ryu Iwatani