Title:
変性ポリビニルアルコールを含む水性組成物及び変性ポリビニルアルコールの成形体
Document Type and Number:
Japanese Patent JP6403019
Kind Code:
B2
Abstract:
Provided is a modified polyvinyl alcohol containing 0.1 to 10 mol% of a monomer unit represented by formula (1) below and having a degree of polymerization exceeding 2000. This provides a modified polyvinyl alcohol an aqueous solution of which foams less and which has excellent film strength and gas barrier properties under high humidity conditions, while having excellent water solubility.
[In formula (1), R 1 represents a hydrogen atom or a methyl group.]
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Inventors:
Masami Kato
Hachiya Megumi
Tatsuya Yata
Keisuke Morikawa
Yusuke Amano
Hachiya Megumi
Tatsuya Yata
Keisuke Morikawa
Yusuke Amano
Application Number:
JP2015554975A
Publication Date:
October 10, 2018
Filing Date:
December 25, 2014
Export Citation:
Assignee:
KURARAY CO.,LTD.
International Classes:
C08F8/12; C08F216/06; C08F218/08
Domestic Patent References:
| JP63020371A | ||||
| JP62220540A | ||||
| JP9077947A | ||||
| JP62179550A | ||||
| JP30006485B1 | ||||
| JP8284013A | ||||
| JP1229805A |
Attorney, Agent or Firm:
Shigeki Nakatsugu
Shunichiro Ito
Shunichiro Ito