Title:
LIQUID CRYSTAL POLYESTER RESIN
Document Type and Number:
WIPO Patent Application WO/2020/070903
Kind Code:
A1
Abstract:
The purpose of the present invention is to provide a liquid crystal polyester resin which exhibits excellent mechanical properties and suppresses blistering at the time of reflow. The present invention pertains to a liquid crystal polyester resin configured from repeating units represented by formulas (I)-(V) [In the formulas, p, q, r, s and t represent the compositional ratio (mol%) of each repeating unit in the liquid crystal polyester resin, and satisfy the following expressions: 15≤p≤30, 70≤q≤85, and 0.01≤r+s+t<2. Herein, the r, s and t are each at least 0 and less than 2, and are not simultaneously 0].
Inventors:
SAIO DAISUKE (JP)
YAMASHITA TETSUYA (JP)
FUJIWARA HISANARI (JP)
YAMASHITA TETSUYA (JP)
FUJIWARA HISANARI (JP)
Application Number:
PCT/JP2018/048148
Publication Date:
April 09, 2020
Filing Date:
December 27, 2018
Export Citation:
Assignee:
UENO FINE CHEMICALS IND LTD (JP)
International Classes:
C08G63/60; C08L67/00
Domestic Patent References:
| WO2011018837A1 | 2011-02-17 | |||
| WO2018008612A1 | 2018-01-11 |
Foreign References:
| JP2017179127A | 2017-10-05 | |||
| JP2006206824A | 2006-08-10 | |||
| JP2009108191A | 2009-05-21 | |||
| JP2002179776A | 2002-06-26 | |||
| JP2006001990A | 2006-01-05 | |||
| JPH05186578A | 1993-07-27 |
Attorney, Agent or Firm:
YAMAO, Norihito et al. (JP)
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