Title:
SEALANT FOR DISPLAY ELEMENT AND CURED PRODUCT THEREOF
Document Type and Number:
WIPO Patent Application WO/2022/059742
Kind Code:
A1
Abstract:
The present invention is a sealant for a display element that contains 2,4,6-trimethylbenzoyl-diphenylphosphine oxide (TPO) and a radical-polymerizable-monomer mixture including a silicon-free acrylate, the radical-polymerizable-monomer mixture fulfilling condition 1 below. Condition 1: The TPO powder visually dissolves completely within a stirring time of 30 minutes when 5 g of the radical-polymerizable-monomer mixture and a stir bar are placed in a 10-mL vial, 0.2 g of TPO powder is introduced at 25°C, and the stirring speed is set at 1000 rpm. The TPO powder used has been ground by a mortar and filtered by a JIS Z8801-1 mesh No. 14 (openings: 1.01 mm) mesh.
Inventors:
TATENO KOTARO (JP)
TOMITA YUSUKE (JP)
TOMITA YUSUKE (JP)
Application Number:
PCT/JP2021/034167
Publication Date:
March 24, 2022
Filing Date:
September 16, 2021
Export Citation:
Assignee:
MITSUI CHEMICALS INC (JP)
International Classes:
C08F20/20; C08F2/50; C09K3/10; H01L51/50; H05B33/04
Domestic Patent References:
| WO2019230846A1 | 2019-12-05 | |||
| WO2020129792A1 | 2020-06-25 | |||
| WO2020129794A1 | 2020-06-25 | |||
| WO2021200668A1 | 2021-10-07 | |||
| WO2021100710A1 | 2021-05-27 | |||
| WO2021100711A1 | 2021-05-27 |
Foreign References:
| JP2017536429A | 2017-12-07 | |||
| JP2020034867A | 2020-03-05 |
Attorney, Agent or Firm:
HAYAMI Shinji (JP)
Download PDF: