Title:
COMPOUND HAVING ANTI-AGING AND DISCOLORATION RESISTANCE EFFECTS AND PREPARATION METHOD THEREFOR
Document Type and Number:
WIPO Patent Application WO/2021/088721
Kind Code:
A1
Abstract:
Provided are a compound having anti-aging and discoloration resistance effects and a preparation method therefor. The compound has the structure represented by formula (I) below, wherein R, R1 and R2 are as defined herein. Compared with existing anti-aging agent products, the described compound has longer-lasting anti-aging performance, and has discoloration resistance. Moreover, the compound can be used as an anti-aging agent in rubber products, especially rubber tires, and can prevent the aging and deterioration of rubber products or rubber tires due to light, heat, oxygen, fatigue, and so on during use.
Inventors:
GUO XIANGYUN (CN)
XING JINGUO (CN)
LIU YANXIANG (CN)
LI HUI (CN)
GAO YANG (CN)
TANG ZHIMIN (CN)
ZHU HAIBO (CN)
QI QI (CN)
XING JINGUO (CN)
LIU YANXIANG (CN)
LI HUI (CN)
GAO YANG (CN)
TANG ZHIMIN (CN)
ZHU HAIBO (CN)
QI QI (CN)
Application Number:
PCT/CN2020/125100
Publication Date:
May 14, 2021
Filing Date:
October 30, 2020
Export Citation:
Assignee:
SENNICS CO LTD (CN)
International Classes:
C07D251/70; C08K5/3492
Domestic Patent References:
| WO1991005773A1 | 1991-05-02 |
Foreign References:
| JPS6381145A | 1988-04-12 | |||
| CN108203414A | 2018-06-26 | |||
| US4972010A | 1990-11-20 | |||
| CN1050871A | 1991-04-24 | |||
| CN1625410A | 2005-06-08 |
Other References:
See also references of EP 4056561A4
Attorney, Agent or Firm:
SHANGHAI PATENT & TRADEMARK LAW OFFICE, LLC (CN)
Download PDF: