Title:
LIQUID CRYSTAL POLYESTER RESIN PELLETS AND LIQUID CRYSTAL POLYESTER RESIN MOLDED ARTICLE
Document Type and Number:
WIPO Patent Application WO/2021/029268
Kind Code:
A1
Abstract:
Liquid crystal polyester resin pellets containing a liquid crystal polyester and pitch-based carbon fibers, wherein: the length-weighted average fiber length of the pitch-based carbon fibers is 100 μm or higher; and the liquid crystal polyester has an interfacial shear strength of 30 MPa or higher with a single pitch-based carbon fiber after a sizing agent has been removed, the interfacial sheer strength being measured by a single fiber pull-out test. A liquid crystal resin molded article containing a liquid crystal polyester and pitch-based carbon fibers, wherein: the length-weighted average fiber length of the pitch-based carbon fibers is 100 μm or higher; and the liquid crystal polyester has an interfacial shear strength of 30 MPa or higher with a single pitch-based carbon fiber after a sizing agent has been removed, the interfacial sheer strength being measured by a single fiber pull-out test.
Inventors:
TAMURA TASUKU (JP)
SUGIYAMA TAKAYUKI (JP)
SUGIYAMA TAKAYUKI (JP)
Application Number:
PCT/JP2020/029756
Publication Date:
February 18, 2021
Filing Date:
August 04, 2020
Export Citation:
Assignee:
SUMITOMO CHEMICAL CO (JP)
International Classes:
C08K7/06; C08J5/04; C08K3/013; C08L67/00; C08L67/04
Domestic Patent References:
| WO2019049816A1 | 2019-03-14 | |||
| WO2019087965A1 | 2019-05-09 | |||
| WO2013069782A1 | 2013-05-16 | |||
| WO2012128246A1 | 2012-09-27 |
Foreign References:
| JP2019108543A | 2019-07-04 | |||
| JP2007100078A | 2007-04-19 | |||
| JP2019148162A | 2019-09-05 | |||
| JP2020071639A | 2020-05-07 | |||
| JP2012193270A | 2012-10-11 |
Other References:
"Liquid Crystal Polymer, -Synthesis-Molding-Application", 5 June 1987, CMC CO., LTD., pages: 95
Attorney, Agent or Firm:
TANAI Sumio et al. (JP)
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