Title:
NOVEL P-PHENYLENEDIAMINE COMPOUND, PREPARATION METHOD THEREFOR, AND APPLICATION THEREOF
Document Type and Number:
WIPO Patent Application WO/2022/041528
Kind Code:
A1
Abstract:
The present invention provides a novel p-phenylenediamine compound, a preparation method therefor, and an application thereof. The compound has a structure shown in the following formula I, wherein R1 is C4-C16 linear or branched alkyl, and R2 is C3-C10 linear or branched alkyl, C3-C10 cycloalkyl, phenyl, or C3-C10 alkyl substituted phenyl. The compound can provide better thermal oxidative fatigue aging resistance, long-term protection performance, and stronger discoloration resistance with respect to conventional anti-aging agents. The compound can be applied as an additive to plastics, elastomers, lubricating oils, etc., and can delay the degradation trend in a use process caused by oxide, ozone, repetitive mechanical action, etc.
Inventors:
QI QI (CN)
XING JINGUO (CN)
GUO XIANGYUN (CN)
LIU YANXIANG (CN)
TANG ZHIMIN (CN)
XING JINGUO (CN)
GUO XIANGYUN (CN)
LIU YANXIANG (CN)
TANG ZHIMIN (CN)
Application Number:
PCT/CN2020/132058
Publication Date:
March 03, 2022
Filing Date:
November 27, 2020
Export Citation:
Assignee:
SENNICS CO LTD (CN)
International Classes:
C07D251/70; C08K5/3492
Foreign References:
US3828002A | 1974-08-06 | |||
DE2360853A1 | 1975-06-12 | |||
US3928344A | 1975-12-23 | |||
JPS51142059A | 1976-12-07 | |||
US3334046A | 1967-08-01 | |||
CN1050871A | 1991-04-24 |
Attorney, Agent or Firm:
SHANGHAI PATENT & TRADEMARK LAW OFFICE, LLC (CN)
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