개선된 특성을 갖는 신디오택틱 프로필렌계 에틸렌-프로필렌 공중합체에 기초한 점도 개질제를 갖는 윤활유 조성물

• Main Authors: MORGAN DAVID L, HAGADORN JOHN R, KANG SHUHUI, MATTLER SARAH J, CANICH JO ANN M, JIANG PEIJUN, PATEL PRITESH ARJUNBHAI, SEPEHR MARYAM, ZHANG JINGWEN, ECKERT CHASE A, ZHANG SARA YUE
• Format: Patent
• Language: Korean
• Published: 02.07.2024
• Subjects: CHEMISTRY; FUELS; INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATINGCOMPOSITIONS; LUBRICANTS; LUBRICATING COMPOSITIONS; METALLURGY; PEAT; PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATINGINGREDIENTS IN A LUBRICATING COMPOSITION

본원에서는 다량의 윤활기유와, 신디오택틱 프로필렌계 에틸렌-프로필렌 공중합체로 이루어진 소량의 점도지수 개선제를 포함하는 윤활유 조성을을 제공하며, 상기 공중합체는: a) 2 내지 20 중량%의 에틸렌, b) 80 내지 98 중량%의 프로필렌; c) 50 내지 99% rr 트리아드; 및 d) 10 내지 250 kg/mol의 Mw (LS)를 갖는 것이다. Provided is a lubricating oil composition that includes a major amount of a lubricant base oil and a minor amount of a viscosity index improver comprising a syndiotactic propylene-based ethylene-propylene copolymer comprising: a) 2 to 20% by weight of ethylene, b) 80 to 98% by weight of propylene; c) 50 to 99% of rr triads; and d) Mw (LS) of 10 to 250 kg/mol.