Title:
ポリビニルアルコール
Document Type and Number:
Japanese Patent JP6979320
Kind Code:
B2
Abstract:
To provide a polyvinyl alcohol excellent in high-speed coatability, water resistance and mechanical strength.SOLUTION: The polyvinyl alcohol has a number average molecular weight (Mn) of 44,000 to 440,000, a molecular weight distribution (Mw/Mn) of 1.05 to 1.70, a saponification degree of 80 to 99.99 mol%, and a total content of a carboxyl group and lactone based on the total monomer units of 0.03 mol% or less.SELECTED DRAWING: None
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| JP6934469 | Polyvinyl alcohol |
| WO/2018/124509 | POLYMER CONTAINING CYANOETHYL GROUP AND PREPARATION METHOD THEREFOR |
Inventors:
Hironori Saegusa
Takayama Takumi
Kazuhiko Maekawa
Takayama Takumi
Kazuhiko Maekawa
Application Number:
JP2017188283A
Publication Date:
December 08, 2021
Filing Date:
September 28, 2017
Export Citation:
Assignee:
KURARAY CO.,LTD.
International Classes:
C08F16/06; C08F8/12; D21H19/20
Domestic Patent References:
| JP2013242341A | ||||
| JP2006282833A | ||||
| JP2033314A | ||||
| JP2012077185A | ||||
| JP2015000890A |
Foreign References:
| WO2017047616A1 | ||||
| WO2017170938A1 |
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