N--N'-페닐 p-페닐렌디아민 및 이의 합성 방법

• Main Authors: GAO YANG, MIAO ZHENGAN, LI SHIWU, QIU LINGLING, ZHANG PINGTING
• Format: Patent
• Language: Korean
• Published: 29.08.2024
• Subjects: ACYCLIC OR CARBOCYCLIC COMPOUNDS; ADHESIVES; CHEMISTRY; COMPOSITIONS BASED THEREON; COMPOSITIONS OF MACROMOLECULAR COMPOUNDS; DYES; MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FORELSEWHERE; METALLURGY; MISCELLANEOUS APPLICATIONS OF MATERIALS; MISCELLANEOUS COMPOSITIONS; NATURAL RESINS; ORGANIC CHEMISTRY; ORGANIC MACROMOLECULAR COMPOUNDS; PAINTS; POLISHES; THEIR PREPARATION OR CHEMICAL WORKING-UP; USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS

사이클로알킬 구조인 N-(3,5,5-트리메틸사이클로헥실)-N'-페닐 p-페닐렌디아민을 포함하는 신규한 p-페닐렌디아민 고무 노화 방지제 및 이의 합성 방법이 본 발명에 개시된다. 본 발명의 고무 노화 방지제는 고무 재료의 가황 속도를 증가시키고, 스코치 시간(scorch time)을 단축시키고, 고무의 내열 산소 노화 성능을 개선시키는 동시에, 우수한 원래 물리적 특성들, 내굴곡성 및 동적 피로 저항성을 유지할 수 있다. 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.