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:
Dec. 07, 2021
Filed:
Mar. 30, 2018
Asahi Kasei Kabushiki Kaisha, Tokyo, JP;
Shinji Ieda, Tokyo, JP;
Koichi Nagase, Tokyo, JP;
Hisho Yamada, Tokyo, JP;
Jun Mikami, Tokyo, JP;
Takayuki Wakita, Tokyo, JP;
Yoshifumi Araki, Tokyo, JP;
Kimiaki Kawatani, Tokyo, JP;
Tomoyo Okumura, Tokyo, JP;
Yoshikimi Kondo, Tokyo, JP;
Kazunori Terada, Tokyo, JP;
ASAHI KASEI KABUSHIKI KAISHA, Tokyo, JP;
Abstract
The present invention provides a polyamide composition containing 50 to 99 parts by mass of an aliphatic polyamide (1A) formed from a diamine and a dicarboxylic acid, and 1 to 50 parts by mass of a semi-aromatic polyamide (1B) containing a dicarboxylic acid unit that includes at least 75 mol % of isophthalic acid and a diamine unit that includes at least 50 mol % of a diamine of 4 to 10 carbon atoms, wherein the tan δ peak temperature of the polyamide composition is at least 90° C., and the weight average molecular weight Mw of the polyamide composition satisfies 15,000≤Mw≤35,000. The invention also provides a molded article or the like formed using the polyamide composition.