KR970704861A - 개선된 윤활유 조성물 - Google Patents

개선된 윤활유 조성물 Download PDF

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KR970704861A
KR970704861A KR1019970700992A KR19970700992A KR970704861A KR 970704861 A KR970704861 A KR 970704861A KR 1019970700992 A KR1019970700992 A KR 1019970700992A KR 19970700992 A KR19970700992 A KR 19970700992A KR 970704861 A KR970704861 A KR 970704861A
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copolymer
ethylene
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functionalized
oil
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데이비드 로버트 아담스
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만셀 케이쓰 로드니
엑손 케미칼 패턴츠 인코포레이티드
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Publication of KR970704861A publication Critical patent/KR970704861A/ko

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Abstract

비-에틸렌 공중합체 유도체와 조합된, 에틸렌 단위를 포함하는 공중합체 및작용화된 공중합체는 윤활유 첨가제로서 사용될 경우 개선된 엔진 피스톤 침결을 제공하였다.

Description

개선된 윤활유 조성물
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음

Claims (10)

  1. (a) (i) 유용성(oil soluble) 에틸렌 공중합체 및 (ii) 작용화된 에틸렌 공중합체로부터 선택되고, 이때 하나이상의 (i)의 공중합체는 30%이상의 말단 비닐리덴 불포화를 갖거나, 또는 (ii)의 작용화된 공중합체가 유도되는 하나 이상의 공중합체는 30%이상의 말단 비닐리덴 불포화를 갖고,이 4,500을 초과하지 않는 하나 이상의 첨가제; (b) 유용성 비-에틸렌 중합체의 하나 이상의 아미드, 이미드, 아민 염 또는 에스테르 유도체, 및 (c) 하기 수학식 1에 의해 계산되는 (a)+(b)에 대한 (a)의 몰 비는, (a)의 (ii)가 단지 디카복실산 작용화된 에틸렌-프로필렌 공중합체로 구성될 경우, 0.35를 초과하지 않고 0.18 미만임을 특징으로 하는 윤활유를 포함하는 윤활유 조성물:
    [수학식 1]
  2. 제 1 항에 있어서, (a)(ii)가 하나 이상의 무회탄 분산제를 포함하는 조성물.
  3. 제 2 항에 있어서, 하나 이상의 무회탄 분산제가 30%이상의 말단 비닐리덴 불포화를 갖는 에틸렌 알파-올레핀 공중합체로부터 유도되는 조성물.
  4. 제 3 항에 있어서, 에틸렌 알파-올레핀 공중합체가 에틸렌-프로필렌 또는 에틸렌-1-부텐 공중합체인 조성물.
  5. 제 2 항, 제 3 항 또는 제 4 항에 있어서, 하나 이상의 무회탄 분산제가 700 내지 5,000의 수평균 분자량을 갖는 조성물.
  6. 제 1 항 내지 제 5 항중 어느 한 항에 있어서, (b)가 폴리이소부틸렌 숙신산 및 폴리알킬렌 또는 폴리옥시알킬렌 폴리아민으로부터 유도된 무회탄 분산제를 포함하는 조성물.
  7. 제 1 항 내지 제 6 항중 어느 한 항에 있어서, (a)+(b)에 대한 (a)의 몰 비가 0.18미만인 조성물.
  8. 제 1 항 내지 제 7 항중 어느 한 항에 있어서, 윤활유 중 (a)+(b)의 총량이 1 내지 8질량%(활성 성분)인 조성물.
  9. (a) (i) 유용성(oil soluble) 에틸렌 공중합체 및 (ii) 작용화된 에틸렌 공중합체로부터 선택되고, 이때 하나 이상의 (i)의 공중합체는 30%이상의 말단 비닐리덴 불포화를 갖거나, 또는 (ii)의 작용화된 공중합체가 유도되는 하나 이상의 공중합체는 30%이상의 말단 비닐리덴 불포화를 갖고,이 4,500을 초과하지 않는 하나이상의 첨가제; 및 (b) 유용성 비-에틸렌 중합체의 하나 이상의 아미드, 이미드, 아민 염 또는 에스테르 유도체를 포함하고, 이때 수학식 1에 의해 계산되는 (a)의 몰 비는 상기 윤활유의 엔진 피스톤 청결 성능을 개선하기 위해 0.35를 초과하지 않는, 윤활유중 첨가제 조합물의 용도:
    [수학식 1]
  10. 제 9 항에 있어서, 윤활유 중 (a)+(b)의 총량이 1 내지 8질량%(활성 성분)인 용도.
KR1019970700992A 1994-08-16 1995-07-31 개선된 윤활유 조성물 KR970704861A (ko)

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GB9416565A GB9416565D0 (en) 1994-08-16 1994-08-16 Improved lubricating oil compositions
PCT/EP1995/003057 WO1996005276A1 (en) 1994-08-16 1995-07-31 Improved lubricating oil compositions

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US5674819A (en) * 1995-11-09 1997-10-07 The Lubrizol Corporation Carboxylic compositions, derivatives,lubricants, fuels and concentrates
JP2000517348A (ja) * 1996-03-08 2000-12-26 デュポン ダウ エラストマーズ エルエルシー 粘度示数改善剤またはゲル化剤としての実質的に線状のエチレン／アルファ―オレフィンポリマー
US5972853A (en) * 1997-11-12 1999-10-26 Exxon Chemical Patents Inc. Wear control with dispersants employing poly alpha-olefin polymers
CA2528380C (en) * 2004-11-30 2013-05-14 Infineum International Limited Low saps lubricating oil compositions comprising overbased detergent
US20070049504A1 (en) * 2005-09-01 2007-03-01 Culley Scott A Fluid additive composition

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US5350532A (en) * 1988-08-01 1994-09-27 Exxon Chemical Patents Inc. Borated ethylene alpha-olefin polymer substituted mono- and dicarboxylic acid dispersant additives
US5266223A (en) * 1988-08-01 1993-11-30 Exxon Chemical Patents Inc. Ethylene alpha-olefin polymer substituted mono-and dicarboxylic acid dispersant additives
CA2034694C (en) * 1990-02-01 2003-04-08 Antonio Gutierrez Ethylene alpha-olefin polymer substituted mannich base useful as multifunctional viscosity index improver for oleaginous composition
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WO1996005276A1 (en) 1996-02-22
US5733852A (en) 1998-03-31
AU3255195A (en) 1996-03-07
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EP0777713B1 (en) 2001-03-21
GB9416565D0 (en) 1994-10-12

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