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:
Jul. 12, 2022
Filed:
May. 22, 2019
Kuraray Co., Ltd., Kurashiki, JP;
Masahiro Kato, Kamisu, JP;
Yasushi Senda, Kamisu, JP;
Yoshihiro Aoki, Kamisu, JP;
Nobuhiro Oya, Tsukuba, JP;
Hideaki Suzuki, Tsukuba, JP;
KURARAY CO., LTD., Kurashiki, JP;
Abstract
The present invention relates to a modified hydrogenated product of a block copolymer having a polymer block (A) containing a structural unit derived from an aromatic vinyl compound, and a polymer block (B) containing a structural unit derived from a conjugated diene compound, a method of producing the modified hydrogenated product, and a resin composition containing the modified hydrogenated product. The modified hydrogenated product has one or more functional groups selected from an alkoxysilyl group, a carboxy group, an amino group, a hydroxy group, an epoxy group, and an acid anhydride-derived group, and satisfies the following conditions. Condition (1): after stay at 330° C. for 30 min under nitrogen atmosphere, a weight change rate is −5.5% or more. Condition (2): the peak top intensity of tan δ measured in accordance with JIS K7244-10 (2005), under conditions including a strain amount of 0.1%, a frequency of 1 Hz, a measurement temperature of −70 to 120° C., and a temperature rise rate of 3° C./min, is 1.0 or more.