KR950018404A - 개선된 특성을 가지는 광물질 또는 합성 수소-기재 그리스 - Google Patents

개선된 특성을 가지는 광물질 또는 합성 수소-기재 그리스 Download PDF

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KR950018404A
KR950018404A KR1019940032465A KR19940032465A KR950018404A KR 950018404 A KR950018404 A KR 950018404A KR 1019940032465 A KR1019940032465 A KR 1019940032465A KR 19940032465 A KR19940032465 A KR 19940032465A KR 950018404 A KR950018404 A KR 950018404A
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South Korea
Prior art keywords
grease
oil
fluoropolyether
viscosity
fluoropolyetherial
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KR1019940032465A
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English (en)
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KR100320641B1 (ko
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스리니바산 파드마나한
몬타그나 라우라
사벨리 파올로
코르티 코스탄테
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카를로 코글리아티
오시몬트 에스. 피. 에이.
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Priority claimed from ITMI940412 external-priority patent/IT1269296B/it
Application filed by 카를로 코글리아티, 오시몬트 에스. 피. 에이. filed Critical 카를로 코글리아티
Publication of KR950018404A publication Critical patent/KR950018404A/ko
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Abstract

본 발명은 윤활 오일+플루오로폴리에테리얼 오일/농화제의 중량비가 97:3 내지 80:20이고 윤활 오일/플루오로폴리에테리얼 오일의 중량비는 95:5 내지 60:40인 비로, 수소화 기재물, 플루오로폴리에테리얼 오일 및 유기 또는 무기 농화제를 가지는 광물질 및/또는 합성 윤활 오일을 함유하는 그리스에 관한 것이다.

Description

개선된 특성을 가지는 광물질 또는 합성 수소-기재 그리스
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 온도와 토크의 관계를 나타낸다.

Claims (15)

  1. 윤활 오일+플루오로폴리에테리얼 오일/농화제의 중량비가 97:3 내지 80:20이고 윤활 오일/플루오로폴리에테리얼 오일의 중량비는 95:5 내지 60:40인 비로, 수소화 기재물, 플루오로폴리에테리얼 오일 및 유기 또는 무기 농화제를 가지는 광물질 및/또는 합성 윤활 오일을 함유하는 그리스.
  2. 제1항에 있어서, 윤활 오일+플루오로폴리에테리얼 오일/농밀화제의 중량비가 97:3 내지 88:12이고 윤활 오일/플루오로폴리에테리얼 오일의 중량비는 80:20내지 70:30인 그리스.
  3. 제1 또는 2항에 있어서, 수소화 그리스는 미리 제조되는 플루오로폴리에테리얼 오일과 혼합되는 그리스.
  4. 제1 내지 3항 중 어느 한 항에 있어서, 플루오로폴리에테리얼 오일은 플루오르화 기재를 가지는 그리스를 수득하기 위해서 농밀화재와 미리 혼합되고, 이어서 수소화 그리스와 혼합되는 그리스.
  5. 제4항에 있어서, 플루오르화 그리스는 농밀화제로서 폴리테트라 플루오로에틸렌 분말을 사용하여 수득되는 그리스.
  6. 제1 내지 5항중 어느 한 항에 있어서, 플루오로폴리에테리얼 오일은 하나 이상의 (CFXO)형[X는 F또는 CF3(CF2CF2O), (CF2CF(CF3)O), (CF2CF2CF2O)이다]에 속하는 사슬을 따라 통계적으로 분산된 플루오로 옥시알킬렌 단위을 함유하는 액체인 그리스.
  7. 제6항에 있어서, 플루오로폴리에테르는 임의로 염소 및/또는 수소원자를 함유하는 플루오로알킬릭 중성 말단을 가지는 그리스.
  8. 제7항에 있어서, 플루오로폴리에테르는 하기 형태의 구성 단위를 함유하는 화합물 부류로 부터 선택되는 그리스:1)퍼플루오로폴리에테르의 사슬을 따라 통계적으로 분산된 (C3F6O)및 (CFXO)형[X는 -F또는 -CF3이다];2)직쇄 (CF2CF2CF2O)또는 분지쇄 (CF2CF(CF3)O)형태의 (C3F6O);3)퍼플루오로폴리에테르의 사슬을 따라 통계적으로 분산된 (C3F6O), (C2F4O), (CFXO)형[X는 -F또는 -CF3이다];4)퍼플루오로폴리에테르의 사슬을 따라 통계적으로 분산된 (C2F4O)(CF2O).
  9. 제1 내지 8항중 어느 한 항에 있어서, 플루오로폴리에테리얼 오일의 점도는 10 내지 4000cSt인 그리스.
  10. 제9항에 있어서, 플루오로폴리에테리얼 오일의 점도는 약 40 내지 200cSt인 그리스.
  11. 제10항에 있어서, 플루오로폴리에테리얼 오일은 하기 구조를 가지는 그리스:1)A′O(CF-CFO)m(CFXO)m-A[상기 식중, X는 -F, -CF3이고;A′는 서로 동일 또
    CF3
    는 상이하고, -CF3,-C2F5,-C3F7,-CF2T,-CF-CF3가 될 수 있다(T=H, Cl, 퍼플루 오로폴
    T
    리에테리얼 사슬을 따라 통계적으로 분산된 단위 (CF2CF(CF3)O)및 (CFXO)이고, m 및 n은 비m/n=20-1000이고 퍼플루오로폴리에테르의 점도가 10내지400cSt인 정수이다)]
    2)C3F7O(CF-CF2O)m-B[상기 식중,B는 -CF, -CF이 될수 있고,및 m′는 생성물의 점도가
    CF3
    상기 부류1에 기재된 범위내의 값인 양의 정수이다.
    [상기 식중, m"는 생성물의 점도가 상기 언급된 범위내인 정수이다]. 4)A"O[CF2CF(CF3)Oq'-(C2F4)s'(CFXO)r'A"[상기 식중, A"및 A"는 서로 동일 또는 상이하고, CF3, C2F5, C3F7이 될 수 있고;X는 F, CF3이고;r',q' 및 s'는 정수이고, 또한 0이 될수 있는데, 모든 경우에서 퍼플루오로폴리에테르의 점도의 상기 기재된 범위내이고;비 r'/(r'+s'+q')는1/10 이고;q'/s'는 0.2 내지 6이다]. 5)CF3O(C2F4O)(CF2O)q-CF3[상기 식중, p 및 q는 정수이고, 서로 동일 또는 상이하고, 비p/q는 0.1 내지 5이고 점도는 상기 기재된 범위내이다. 6)A-(CF2-CF2-CF2O)mA[상기 식중, A및 A는 서로 동일 또는 상이하고, C2F5,C3F7이 될수 있고, m'''는 생성물의 점도가 상기 기재된 값내인 정수이다].
    [상기 식중, R'f는 퍼플루오르알킬이고, R'f는 F또는 퍼플루오르알킬이고, n'는 점도가 상기 기재된 범위내이다].
  12. 제1 내지 11항 중 어느 한 항에 있어서, 플루오르폴리에테르는 상기 기재된 구조내에서 플루오르화 오일에 기준하여 10중량% 이하로 하나 이상의 반응성 말단기 가지는 플루오로폴리에테르를 함유하는 그리스.
  13. 제12항에 있어서, 반응성 말단은 아실플로리드, 카르복실, 알코올, 케톤, 아미드, 아민, 알콕실 및 니트릴기로 부터 선택되는 그리스.
  14. 제1 내지 13항 중 어느 한 항에 있어서, 황산화제, 항부식제, 항마모제, 극한 압력하에서 사용하기 위한 첨가제, 다른 고체 윤활제 및 점성도 지수 개선제와 같은 윤활 오일 및 그리이스에서 통상 사용되는 형태의 다양한 첨가제가 존재하는 그리스.
  15. 수소화 그리스는 임의로 플루오르화 그리스의 형태로 플루오로폴리에테리얼 오일과 혼합된 뒤에, 20℃ 내지 50℃의 온도에서 2번 이상 3실린더 균질화기를 통과시켜 균질화되는 제1 내지 14항에 따른 그리스의 제조 방법.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019940032465A 1993-12-01 1994-12-01 개선된특성을가지는광물질또는합성수소-기재그리스 KR100320641B1 (ko)

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KR20110084897A (ko) * 2008-10-24 2011-07-26 솔베이 솔렉시스 에스.피.에이. 윤활막 형성 방법

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