Title:
PARTICLES CONTAINING MODIFIED POLYVINYL ALCOHOL
Document Type and Number:
WIPO Patent Application WO/2019/160142
Kind Code:
A1
Abstract:
Particles according to the present invention are characterized by having an average particle diameter of 300-1,000 μm and by containing a modified polyvinyl alcohol which contains a vinyl alcohol unit and a constituent unit represented by formula (1), with the content of the vinyl alcohol unit relative to all constituent units being 60-90% by mole. Consequently, the present invention provides particles containing a modified polyvinyl alcohol, which have high water solubility and high affinity for photosensitive monomers, while having excellent photosensitivity.
(In formula (1), R1 represents a hydrogen atom or a methyl group.)
Inventors:
AMANO YUSUKE (JP)
TACHIBANA YUKI (JP)
SHIMIZU YUKI (JP)
MAEKAWA KAZUHIKO (JP)
TACHIBANA YUKI (JP)
SHIMIZU YUKI (JP)
MAEKAWA KAZUHIKO (JP)
Application Number:
PCT/JP2019/005878
Publication Date:
August 22, 2019
Filing Date:
February 18, 2019
Export Citation:
Assignee:
KURARAY CO (JP)
International Classes:
C08F8/46; C08F16/06; C08L29/04; C08F290/12; C08F299/00
Domestic Patent References:
| WO2007119735A1 | 2007-10-25 | |||
| WO2008129936A1 | 2008-10-30 | |||
| WO2007023762A1 | 2007-03-01 | |||
| WO2008143286A1 | 2008-11-27 | |||
| WO2019031461A1 | 2019-02-14 | |||
| WO2018124014A1 | 2018-07-05 | |||
| WO2018124015A1 | 2018-07-05 | |||
| WO2018124242A1 | 2018-07-05 | |||
| WO2007023762A1 | 2007-03-01 |
Foreign References:
| JP2007063383A | 2007-03-15 | |||
| JPS486195B | ||||
| JPH10312166A | 1998-11-24 | |||
| JPH04283749A | 1992-10-08 | |||
| JP2001072720A | 2001-03-21 |
Other References:
"Kobunshi-Kankokai", 1 April 1981, article "Poval", pages: 246 - 249
See also references of EP 3757138A4
See also references of EP 3757138A4
Attorney, Agent or Firm:
SETOUCHI INTERNATIONAL PATENT FIRM (JP)
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