KR970078832A - 냉각 윤활제 - Google Patents

냉각 윤활제 Download PDF

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Publication number
KR970078832A
KR970078832A KR1019970000016A KR19970000016A KR970078832A KR 970078832 A KR970078832 A KR 970078832A KR 1019970000016 A KR1019970000016 A KR 1019970000016A KR 19970000016 A KR19970000016 A KR 19970000016A KR 970078832 A KR970078832 A KR 970078832A
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South Korea
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less
coolant
hfc
acid
carbon atoms
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KR1019970000016A
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KR0131016B1 (ko
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다까시 가이마이
히사시 야노
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나가시마 가즈시게
가부시끼가이샤 저팬에너지
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    • C—CHEMISTRY; METALLURGY
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    • C10N2040/00—Specified use or application for which the lubricating composition is intended
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    • C—CHEMISTRY; METALLURGY
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    • C—CHEMISTRY; METALLURGY
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    • C—CHEMISTRY; METALLURGY
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    • C10N2040/00—Specified use or application for which the lubricating composition is intended
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    • C—CHEMISTRY; METALLURGY
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    • C10N2040/00—Specified use or application for which the lubricating composition is intended
    • C10N2040/50—Medical uses

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Abstract

특정한 탄소수를 갖는 하나 이상의 직쇄 또는 분지쇄 1가 지방산과 네오펜틸글리콜 또는 하기 일반식 다가알콜, 또는 추가로 특정한 탄소수를 갖는 하나 이상의 다염기산을 에스테르화 반응시킴으로써 수득되는 에스테르를 주 성분으로서 함유하는 히드로플루오로카본 냉각제용 윤활제:
이 윤활제는 종래의 염소 함유 화합물의 대체 냉각매로서 사용되는 히드로플루오로카본 냉각제와 충분한 상용성을 갖는다.

Description

냉각 윤활제
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음

Claims (9)

  1. (1) 네오펜틸글리콜과 (2) 하나 이상의 탄소수 3∼18의 직쇄 또는 탄소수 4∼14의 분지쇄의 1가 지방산으로 이루어지고 산가가 3㎎KOH／g이하, 수산기가 50㎎KOH／g이하, 및 전기절연성이 1×1012 .㎝ 이상인 에스테르를 주성분으로서 포함하는, 염소를 함유하지 않는 히드로플루오로카본 (HFC)냉각제용의 윤활제
  2. 제1항에 있어서, 상기 히드로플루오로카본 냉각제가 1,1,1,2－테트라플루오로에탄임을 특징으로 하는 윤활제.
  3. (1) 네오펜틸글리콜과, (2) 하나 이상의 탄소수 3∼18의 직쇄 또는 탄소수 4∼14의 분지쇄의 1가 지방산 및 (3) 하나 이상의 탄소수 4∼36의 다염기산 (상기 다염기산은 전체 지방산의 80몰% 이하임)으로 이루어지고 산가가 3㎎KOH／g이하, 수산기가가 50㎎KOH／g이하, 및 전기절연성이 1×1012 .㎝이상인 에스테르를 주성분으로서 포함하는, 염소를 함유하지 않는 히드로플루오로카본 (HFC) 냉각제용의 윤활제.
  4. 제3항에 있어서, 상기 히드로플루오로카본 냉각제가 1,1,1,2－테트라플루오로에탄임을 특징으로 하는 윤활제.
  5. (1) 네오펜틸글리콜과 (2) 하나 이상의 탄소수 4∼18의 분지쇄의 1가 지방산으로 이루어지고 산가가 3㎎KOH／g이하, 수산기가가 50㎎KOH／g이하, 및 전기절연성이 1×1012 .㎝이상인 에스테르를 주성분으로서 포함하는, 염소를 함유하지 않는 히드로플루오로카본 (HFC) 냉각제용의 윤활제.
  6. 제5항에 있어서, 상기 히드로플루오로카본 냉각제가 1,1,1,2－테트라플루오로에탄임을 특징으로 하는 윤활제.
  7. (1) 하기 화학식 2로 표시되는 하나 이상의 다가알콜과,
    (식중, R은 탄소수 3이하의 알킬기이다) (2) 하나 이상의 탄소수 2∼18의 직쇄 또는 탄소수 4∼14의 분지쇄의 1가 지방산 및 (3) 하나 이상의 탄소수 4∼36의 다염기산 (상기 다염기산은 전체 지방산의 25몰%이하임)으로 이루어지고, 산가가 3㎎KOH／g이하, 수산기가가 50㎎KOH／g이하, 및 전기절연성이 1×1012 .㎝ 이상인 에스테르를 주성분으로서 포함하는, 염소를 함유하지 않는 히드로플루오로카본 (HFC) 냉각제용의 윤활제
  8. 제 7항에 있어서, (1) 하기 화학식 2로 표시되는 하나 이상의 다가알콜.
    (식중, R은 탄소수 3이하의 알킬기이다) (2) 2－에틸헥산산 및 (3) 아디핀산 (상기 아디핀산은 전체 지방산의 25몰% 이하임)으로 이루어지고, 산가가 3㎎KOH／g이하, 수산기가가 50㎎KOH／g이하, 및 전기절연성이 1×1012 .㎝ 이상인 에스테르를 주성분으로서 포함하는, 염소를 함유하지 않는 히드로플루오로카본 (HFC) 냉각제용의 윤활제
  9. 제7항 또는 제8항에 있어서, 상기 히드로플루오로카본 냉각제가 1,1,1,2－테트라플루오로에탄임을 특징으로 하는 윤활제.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019970000016A 1989-07-05 1997-01-03 냉각 윤활제 KR0131016B1 (ko)

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KR910003077A (ko) 1991-02-26
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EP0536814B1 (en) 1996-01-24
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EP0479338B1 (en) 1997-08-27
EP0480479A2 (en) 1992-04-15
ES2104650T3 (es) 1997-10-16
EP0479338A2 (en) 1992-04-08
DE68927916D1 (de) 1997-04-30
DE68928281D1 (de) 1997-10-02
EP0536814A1 (en) 1993-04-14
EP0406479B1 (en) 1994-04-06
KR0131017B1 (ko) 1998-04-14
DE68928281T2 (de) 1998-01-15
SG49157A1 (en) 1998-05-18
DE68914448T3 (de) 2003-03-06
ES2099120T5 (es) 2005-03-16
DE68927916T2 (de) 1997-08-21
KR950005694B1 (ko) 1995-05-29
ES2051340T5 (es) 2003-03-16
ES2082341T3 (es) 1996-03-16
EP0480479A3 (en) 1992-06-17
ES2051340T3 (es) 1994-06-16
SG49165A1 (en) 1998-05-18
DE68925537T2 (de) 1996-07-04

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