公开(公告)号：US20240360070A1

公开(公告)日：2024-10-31

申请号：US18762619

申请日：2024-07-02

Applicant: SENNICS CO., LTD.

Inventor： Zhengan MIAO ,  Shiwu LI ,  Yang GAO ,  Lingling QIU ,  Pingting ZHANG

IPC: C07C209/60 ,  C07C211/54 ,  C08K5/18

CPC classification number: C07C209/60 ,  C07C211/54 ,  C08K5/18 ,  C07C2601/14

Abstract: A p-phenylenediamine rubber antidegradant compound has a cycloalkyl structure named N-(3,5,5-trimethylcyclohexyl)-N′-phenyl p-phenylenediamine. The compound is prepared by reacting a compound A, 4-aminodiphenylamine, and hydrogen in a condensation hydrogenation reaction in presence of a catalyst, and the compound A is 3,5,5-trimethyl-2-cyclohexen-1-one, 3,3,5-trimethylcyclohexanone, 3,3,5-trimethylcyclohexanol, or combination thereof.