Title:
変性共役ジエン系重合体、重合体組成物、及びゴム組成物
Document Type and Number:
Japanese Patent JP6888081
Kind Code:
B2
Abstract:
A modified conjugated diene-based polymer according to the present invention has a weight average molecular weight of 20 × 104or more and 300 × 104or less, has a molecular weight distribution Mw/Mn of 1.6 or more and 4.0 or less, has a modification ratio of 30% by mass or more and 80% by mass or less with respect to a total amount of the conjugated diene-based polymer, and includes 5% by mass or more and 50% by mass or less of a component having a molecular weight of 1,000,000 or more and 5,000,000 or less in GPC (gel permeation chromatography), wherein a modification ratio of the component having a molecular weight of 1,000,000 or more and 5,000,000 or less is 90% by mass or more and 100% by mass or less.
Inventors:
Koichi Hasebe
Suzuki
Hiromi Naka Futami
Suzuki
Hiromi Naka Futami
Application Number:
JP2019514641A
Publication Date:
June 16, 2021
Filing Date:
April 26, 2018
Export Citation:
Assignee:
ASAHI KASEI KABUSHIKI KAISHA
International Classes:
C08F36/04; C08F8/00; C08K3/013; C08L15/00
Domestic Patent References:
| JP2014159579A | ||||
| JP2016079217A | ||||
| JP2013129693A | ||||
| JP2006274010A | ||||
| JP2002284814A | ||||
| JP2018028047A |
Attorney, Agent or Firm:
Yoshiyuki Inaba
Toshifumi Onuki
Akihiko Eguchi
Kazuhiko Naito
Toshifumi Onuki
Akihiko Eguchi
Kazuhiko Naito