KR20190107085A - 과염기화된 칼슘 및 과염기화된 마그네슘 세제를 갖는 윤활제 및 저속 조기 점화 개선 방법 - Google Patents
과염기화된 칼슘 및 과염기화된 마그네슘 세제를 갖는 윤활제 및 저속 조기 점화 개선 방법 Download PDFInfo
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Abstract
Description
Claims (25)
- 윤활유 조성물로서,
윤활유 조성물의 총 중량을 기준으로 50 중량%를 초과하는, 윤활 점도를 갖는 기유를 포함하고;
ASTM D-2896의 방법으로 측정된 225 mg KOH/g 초과의 총 염기 수를 갖는 1종 이상의 과염기화된 칼슘 함유 세제를, 윤활유 조성물에 1000 ppm 초과하는 칼슘을 제공하기에 충분한 양으로 포함하고;
ASTM D-2896의 방법으로 측정된 225 mg KOH/g 초과의 총 염기 수를 갖는 1종 이상의 과염기화된 마그네슘 함유 세제를 포함하며,
상기 1종 이상의 과염기화된 마그네슘 함유 세제에 의해 윤활유 조성물에 제공된 마그네슘의 총량이 50 내지 1500 ppm이고,
1종 이상의 몰리브덴 화합물은 윤활 조성물에 25 내지 1000 ppm의 몰리브덴 총량을 제공하고,
상기 1종 이상의 과염기화된 마그네슘 함유 세제로부터의 윤활유 조성물 중의 마그네슘의 중량%에 대한 상기 1종 이상의 과염기화된 칼슘 함유 세제로부터의 윤활유 조성물 중의 칼슘의 중량%의 비율이 11.9 미만이고,
ASTM D-2896의 방법으로 측정했을 때, 윤활유 조성물의 그램 당 mg KOH(mg KOH/g) 단위의 윤활유 조성물의 총 TBN에 대한 윤활유 조성물 중의 마그네슘의 총 ppm의 비율이 19를 초과하고,
ASTM D-2896의 방법으로 측정했을 때, 윤활유 조성물의 그램 당 mg KOH(mg KOH/g) 단위의 윤활유 조성물의 총 TBN에 대한 윤활유 조성물 중의 칼슘의 총 ppm의 비율이 222 미만이고,
매 단계 당 175,000회의 엔진 사이클인 4 시간의 4 단계 동안 최대 제동 평균 유효 압력의 80%를 초과하며 속도가 약 1750 rpm인 안정 상태 조건 하에서 4 시간 동안 작동시킨 포드 2.0 리터 배기량의 4기통 에코부스트(EcoBoost) 터보차저 과급 가솔린 직접 분사 엔진에서 측정했을 때, 당해 윤활유 조성물이 저속 조기 점화 이벤트의 횟수를, 기준 윤활유 R-1로 윤활되는 동일한 엔진에서의 저속 조기 점화 이벤트의 횟수에 비하여, 60% 초과하여 감소시키는 데 효과적이고,
당해 윤활유 조성물이 볼 녹 시험을 통과하는, 윤활유 조성물. - 제1항에 있어서, 상기 1종 이상의 과염기화된 칼슘 함유 세제는 칼슘 설포네이트 세제 및 칼슘 페네이트 세제로부터 선택된 세제를 포함하는, 윤활유 조성물.
- 제1항에 있어서, 상기 1종 이상의 과염기화된 마그네슘 함유 세제는 마그네슘 설포네이트 세제를 포함하는, 윤활유 조성물.
- 제3항에 있어서, 상기 1종 이상의 과염기화된 마그네슘 함유 세제로부터의 윤활유 조성물 중의 마그네슘의 중량%에 대한 상기 1종 이상의 과염기화된 칼슘 함유 세제로부터의 윤활유 조성물 중의 칼슘의 중량%의 비율이 10 미만인, 윤활유 조성물.
- 제3항에 있어서, 상기 1종 이상의 과염기화된 마그네슘 함유 세제로부터의 윤활유 조성물 중의 마그네슘의 중량%에 대한 상기 1종 이상의 과염기화된 칼슘 함유 세제로부터의 윤활유 조성물 중의 칼슘의 중량%의 비율이 0.5 내지 9인, 윤활유 조성물.
- 제3항에 있어서, ASTM D-2896의 방법으로 측정했을 때, 윤활유 조성물의 그램 당 mg KOH(mg KOH/g) 단위의 윤활유 조성물의 총 TBN에 대한 윤활유 조성물 중의 마그네슘의 총 ppm의 비율이 25를 초과하는, 윤활유 조성물.
- 제3항에 있어서, ASTM D-2896의 방법으로 측정했을 때, 윤활유 조성물의 그램 당 mg KOH(mg KOH/g) 단위의 윤활유 조성물의 총 TBN에 대한 윤활유 조성물 중의 마그네슘의 총 ppm의 비율이 30 내지 90인, 윤활유 조성물.
- 제2항에 있어서, ASTM D-2896의 방법으로 측정했을 때, 윤활유 조성물의 그램 당 mg KOH(mg KOH/g) 단위의 윤활유 조성물의 총 TBN에 대한 윤활유 조성물 중의 칼슘의 총 ppm의 비율이 215 미만인, 윤활유 조성물.
- 제2항에 있어서, ASTM D-2896의 방법으로 측정했을 때, 윤활유 조성물의 그램 당 mg KOH(mg KOH/g) 단위의 윤활유 조성물의 총 TBN에 대한 윤활유 조성물 중의 칼슘의 총 ppm의 비율이 125 내지 210인, 윤활유 조성물.
- 제3항에 있어서, 상기 1종 이상의 과염기화된 칼슘 함유 세제의 양은 당해 윤활유 조성물에 1000 ppm 초과 내지 2000 ppm 미만의 칼슘을 제공하는, 윤할유 조성물.
- 제3항에 있어서, 상기 1종 이상의 과염기화된 칼슘 함유 세제의 양은 당해 윤활유 조성물에 1050 ppm 내지 1900 ppm의 칼슘을 제공하는, 윤할유 조성물.
- 제3항에 있어서, 상기 1종 이상의 과염기화된 마그네슘 함유 세제는 당해 윤활유 조성물에 100 내지 1200 ppm의 마그네슘을 제공하는, 윤활유 조성물.
- 제3항에 있어서, 상기 1종 이상의 과염기화된 마그네슘 함유 세제는 당해 윤활유 조성물에 200 내지 800 ppm의 마그네슘을 제공하는, 윤활유 조성물.
- 제3항에 있어서, 상기 1종 이상의 몰리브덴 화합물은 당해 윤활유 조성물에 50 내지 800 ppm의 몰리브덴을 제공하는, 윤활유 조성물.
- 제1항에 있어서, 당해 윤활유 조성물 중의 붕소의 양은 당해 윤활유 조성물의 총 중량을 기준으로 150 내지 600 ppm인, 윤활유 조성물.
- 제2항에 있어서, 상기 1종 이상의 과염기화된 칼슘 설포네이트 세제는 적어도 250 mg KOH/g의 총 염기 수를 갖는, 윤활유 조성물.
- 제1항에 있어서, 당해 윤활유 조성물이, ASTM D-2896의 방법으로 측정했을 때, 윤활유 조성물의 단위 그램 기준으로 10 mg KOH/g 미만의 총 염기 수를 갖는, 윤활유 조성물.
- 제1항에 있어서, 상기 1종 이상의 칼슘 함유 세제가 당해 윤활유 조성물에 기여한 TBN은, ASTM D-2896의 방법으로 측정했을 때, 윤활유 조성물의 단위 그램 기준으로 2.5 내지 5.0 mg KOH/g인, 윤활유 조성물.
- 제1항에 있어서, 상기 1종 이상의 칼슘 함유 세제와 상기 1종 이상의 마그네슘 함유 세제의 조합이 당해 윤활유 조성물에 기여한 TBN은, ASTM D-2896의 방법으로 측정했을 때, 윤활유 조성물의 단위 그램 기준으로 4.0 내지 8.0 mg KOH/g인, 윤활유 조성물.
- 제1항에 있어서, 당해 윤활유 조성물이 저속 조기 점화 이벤트의 횟수를, 기준 윤활유 R-1로 윤활되는 동일한 엔진에서의 저속 조기 점화 이벤트의 횟수에 비해 60%만큼 감소시키는 데 효과적인, 윤활유 조성물.
- 제1항에 있어서, 마찰 개질제, 항마모제, 분산제, 항산화제, 및 점도 지수 개선제로 이루어진 군으로부터 선택된 1종 이상의 성분을 추가로 포함하는, 윤활유 조성물.
- 제1항에 있어서, 상기 50 중량%를 초과하는 기유는 II군, III군, IV군, V군 기유 및 이들 기유들의 둘 이상의 조합으로 이루어진 군에서 선택되고, 또한 상기 50 중량%를 초과하는 기유는 윤활유 조성물에서 첨가제 성분들 또는 점도 지수 개선제를 제공함으로써 발생하는 희석 오일 이외의 것인, 윤활유 조성물.
- 배력식 내연기관에서 저속 조기 점화 이벤트를 감소시키는 방법으로서,
제1항에 따른 윤활유 조성물로 배력식 내연기관을 윤할시키는 단계와,
상기 윤활유 조성물로 윤활되는 엔진을 작동시키는 단계를 포함하는, 배력식 내연기관에서 저속 조기 점화 이벤트를 감소시키는 방법. - 제23항에 있어서, 상기 윤활시키는 단계는 터보차저 또는 과급기가 구비된 스파크 점화 직접 분사 엔진 또는 터보차저 또는 과급기가 구비된 스파크 점화 포트 연로 분사식 내연기관의 연소실 또는 실린더 벽을 윤활시키는, 배력식 내연기관에서 저속 조기 점화 이벤트를 감소시키는 방법.
- 제24항에 있어서, 상기 윤활유 조성물로 윤활되는 내연기관의 저속 조기 점화 이벤트의 횟수를 측정하는 단계를 추가로 포함하는, 배력식 내연기관에서 저속 조기 점화 이벤트를 감소시키는 방법.
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| US15/409,516 | 2017-01-18 | ||
| PCT/US2017/060959 WO2018136138A1 (en) | 2017-01-18 | 2017-11-09 | Lubricants with overbased calcium and overbased magnesium detergents and method for improving low-speed pre-ignition |
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| CA3050440A1 (en) | 2018-07-26 |
| CA3050440C (en) | 2020-07-28 |
| EP3571270C0 (en) | 2025-10-29 |
| KR102104763B1 (ko) | 2020-04-27 |
| JP6726366B2 (ja) | 2020-07-22 |
| SG11201906448QA (en) | 2019-08-27 |
| CN110520511B (zh) | 2021-01-29 |
| EP3571270A1 (en) | 2019-11-27 |
| EP3571270B1 (en) | 2025-10-29 |
| US10443011B2 (en) | 2019-10-15 |
| CN110520511A (zh) | 2019-11-29 |
| JP2020503424A (ja) | 2020-01-30 |
| WO2018136138A1 (en) | 2018-07-26 |
| US20180201861A1 (en) | 2018-07-19 |
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