Title:
炭化水素樹脂およびタイヤ用エラストマー組成物
Document Type and Number:
Japanese Patent JP6729085
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a hydrocarbon resin providing an elastomer composition for tire which is excellent in workability and has excellent balance between rolling resistance and wet grip performance.SOLUTION: A hydrocarbon resin contains an aliphatic monomer unit and an aromatic monomer unit, where a content in the aromatic monomer unit of a monomer unit having such a structure two or more cyclic structures in the aromatic monomer unit are bonded to each other is 50 mass% or more, the number average molecular weight (Mn) is in a range of 400-3,000, the weight average molecular weight (Mw) is in a range of 700-6,000, the Z average molecular weight (Mz) is in a range of 1,500-20,000, a ratio (Mw/Mn) of the weight average molecular weight to the number average molecular weight is in a range of 1.0-4.0, a ratio (Mz/Mw) of the Z average molecular weight to the weight average molecular weight is in a range of 1.0-4.0, and a softening point is in a range of 80-150°C.SELECTED DRAWING: None
Inventors:
Atsushi Nozawa
Kameyama Ryoji
Sadaharu Hashimoto
Kameyama Ryoji
Sadaharu Hashimoto
Application Number:
JP2016130974A
Publication Date:
July 22, 2020
Filing Date:
June 30, 2016
Export Citation:
Assignee:
Zeon Corporation
International Classes:
C08F236/10; B60C1/00; C08F210/10; C08F212/06; C08F212/08; C08F232/04; C08F232/08; C08K3/36; C08L21/00; C08L25/02; C08L45/00
Domestic Patent References:
| JP2001329123A | ||||
| JP7033951A | ||||
| JP2016003274A |
Foreign References:
| US4558107 | ||||
| CN102757530A |
Attorney, Agent or Firm:
Akihiko Yamashita
Kishimoto Tatsuto
Noriyuki Yamamoto
Kishimoto Tatsuto
Noriyuki Yamamoto