The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 15, 2021
Filed:
Apr. 02, 2018
Applicant:
Asahi Kasei Kabushiki Kaisha, Tokyo, JP;
Inventors:
Yumiko Kato, Tokyo, JP;
Shintaro Wakimura, Tokyo, JP;
Yuichiro Sakamoto, Tokyo, JP;
Tomoyuki Taniguchi, Tokyo, JP;
Assignee:
ASAHI KASEI KABUSHIKI KAISHA, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08J 9/18 (2006.01); C08J 9/06 (2006.01);
U.S. Cl.
CPC ...
C08J 9/18 (2013.01); C08J 9/06 (2013.01); C08J 2201/034 (2013.01); C08J 2203/02 (2013.01); C08J 2371/12 (2013.01);
Abstract
To provide a core material for a fiber reinforced composite having an excellent workability upon being composited with a fiber reinforcing material. A core material for a fiber reinforced composite of the present disclosure comprises a molded product of expanded beads containing a thermoplastic resin, and having a heat shrinkage onset temperature of 80° C. or higher, a linear expansion coefficient of 10×10mm/mm·° C. or less, and a ratio of change in dimensions with heating at 130° C. of −4.0% to 0%.