KR960014310A - 그리스 조성물 - Google Patents

그리스 조성물 Download PDF

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Publication number
KR960014310A
KR960014310A KR1019950035242A KR19950035242A KR960014310A KR 960014310 A KR960014310 A KR 960014310A KR 1019950035242 A KR1019950035242 A KR 1019950035242A KR 19950035242 A KR19950035242 A KR 19950035242A KR 960014310 A KR960014310 A KR 960014310A
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KR
South Korea
Prior art keywords
grease composition
ester oil
aromatic
hydrocarbon group
oil
Prior art date
Application number
KR1019950035242A
Other languages
English (en)
Inventor
아쯔시 요꼬우찌
히데끼 고이즈미
겐이찌 이소
미찌하루 나까
도시아끼 엔도
요이찌 스즈끼
Original Assignee
세끼야 데쯔오
니혼세이꼬 가부시기가이샤
고후네 아끼라
교도유시 가부시기가이샤
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Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=17557044&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=KR960014310(A) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by 세끼야 데쯔오, 니혼세이꼬 가부시기가이샤, 고후네 아끼라, 교도유시 가부시기가이샤 filed Critical 세끼야 데쯔오
Publication of KR960014310A publication Critical patent/KR960014310A/ko

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
    • F16C33/30—Parts of ball or roller bearings
    • F16C33/66—Special parts or details in view of lubrication
    • F16C33/6603—Special parts or details in view of lubrication with grease as lubricant
    • F16C33/6633—Grease properties or compositions, e.g. rheological properties
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M101/00—Lubricating compositions characterised by the base-material being a mineral or fatty oil
    • C10M101/02—Petroleum fractions
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M105/00—Lubricating compositions characterised by the base-material being a non-macromolecular organic compound
    • C10M105/08—Lubricating compositions characterised by the base-material being a non-macromolecular organic compound containing oxygen
    • C10M105/18—Ethers, e.g. epoxides
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    • C10M105/00—Lubricating compositions characterised by the base-material being a non-macromolecular organic compound
    • C10M105/08—Lubricating compositions characterised by the base-material being a non-macromolecular organic compound containing oxygen
    • C10M105/32—Esters
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    • C10M105/08—Lubricating compositions characterised by the base-material being a non-macromolecular organic compound containing oxygen
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    • C10M105/36—Esters of polycarboxylic acids
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    • C10M107/00—Lubricating compositions characterised by the base-material being a macromolecular compound
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    • C10M169/02—Mixtures of base-materials and thickeners
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    • C10M2203/104—Aromatic fractions
    • C10M2203/1045—Aromatic fractions used as base material
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    • C10M2215/10—Amides of carbonic or haloformic acids
    • C10M2215/102—Ureas; Semicarbazides; Allophanates
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2215/00—Organic non-macromolecular compounds containing nitrogen as ingredients in lubricant compositions
    • C10M2215/10—Amides of carbonic or haloformic acids
    • C10M2215/102—Ureas; Semicarbazides; Allophanates
    • C10M2215/1026—Ureas; Semicarbazides; Allophanates used as thickening material
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2215/00—Organic non-macromolecular compounds containing nitrogen as ingredients in lubricant compositions
    • C10M2215/12—Partial amides of polycarboxylic acids
    • C10M2215/121—Partial amides of polycarboxylic acids used as thickening agents
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2215/00—Organic non-macromolecular compounds containing nitrogen as ingredients in lubricant compositions
    • C10M2215/22—Heterocyclic nitrogen compounds
    • C10M2215/2206—Heterocyclic nitrogen compounds used as thickening agents
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2215/00—Organic non-macromolecular compounds containing nitrogen as ingredients in lubricant compositions
    • C10M2215/22—Heterocyclic nitrogen compounds
    • C10M2215/225—Heterocyclic nitrogen compounds the rings containing both nitrogen and oxygen
    • C10M2215/227—Phthalocyanines
    • C10M2215/2275—Phthalocyanines used as thickening agents

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  • Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Emergency Medicine (AREA)
  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Lubricants (AREA)

Abstract

1. 청구범위에 기재된 발명이 속한 기술분야
본 발명은 그리스(grease) 조성물에 관한 것이다.
2. 발명이 해결하려고 하는 기술적 과제
종래 기술의 그리스 조성물이 외부 레이스 회전베어링에 적용될 경우, 베어링이 만족할만한 밀봉 및 내박편성을 나타내지만 조숙한 시징이 발생되며 윤활성이 수명도 항상 만족스러운것만은 아니었다. 이러한 사실을 연구한 결과, 합성 탄화수소 오일 또는 알킬디페닐 에테르 오일을 독립적을 또는 배합하여 함유하는 종래의 오일은 외부 레이스 회전베어링에 적용시킬 경우 윤활작용이 오래 지속되지 못한다는 사실을 발견하게 되었다.
따라서, 본 발명의 목적은 필수 성분으로서의 에스테르 오일을 포함하는 기초오일(base oil) 및 우레아-기초 농휴제를 함유하는 그리스 조성물 제공하는데 있다.
3. 발명의 해결방법의 요지
본 발명의 그리스 조성물은 기초오일의 초량을 기준으로 하여 에스테르 오일 10중량% 이상을 포함하며 40℃에서 50-200㎟/sec의 운동학적 점도를 갖는 기초오일 및 그리스 조성물의 충량을 기준으로 하여 다음 일반식(Ⅰ)으로 나타내어지는 디우레이 화합물 15-35중량%을 함유한다.
(위식에서, R2는 방향족 C6∼15탄화수소기이며; R1및 R3는 동일하거나 서로 다를 수 있으며; 각각 방향족 C6∼15탄화수소기 혹은 지방족 C8∼12탄화수소기를 나타내고, R1및 R3의 총 몰에서 방향족 탄화수소기의 비율은 50-100몰%이다.)
4. 발명의 중요한 용도
본 발명의 그리스 조성물은 내박편성(耐剝片性), 누출 방지성, 및 저소음성에서 우수하며, 고온 및 고속의 조건하에서 조숙한 시징(seizing)을 방지해주므로 외부 레이스 회전형 밀봉 볼베어링(outer race rotating type sealed ball bearing)에 적용시키기에 적합하다.

Description

그리스 조성물
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음

Claims (3)

  1. 기초오일의 총량을 기준으로 하여 에스테르 오일 10중량% 이상을 포함하며 40℃에서 50-200㎟/sec의 운동학적 점도를 갖는 기초오일 및 그리스 조성물의 충량을 기준으로 하여 다음 일반식(Ⅰ)으로 나타내어지는 디우레아 화합물 15-35중량%을 함유하는 그리스 조성물.
    (위식에서, R2는 방향족 C6∼15탄화수소기이며, R1및 R3는 동일하거나 서로 다를 수 있으며, 각각 방향족 C6∼15탄화수소기 혹은 지방족 C8∼20탄화수소기를 나타내고, R1및 R3의 총 몰에서 방향족 탄화수소기의 비율은 50-100몰%이다.)
  2. 제1항에 있어서, 상기 에스테르 오일은 힌더드(hindered) 에스테르 오일, 방향족 에스테르 오일, 또는 이들의 혼합물인 것을 특징으로 하는 그리스 조성물.
  3. 제1항에 있어서, 상기 에스테르 오일은 펜타에리스리톨 에스테르 오일, 디펜타에리스리톨 에스테르 오일, 트리펜타에리스리톨 에스테르 오일, 네오펜틸형 디올 에스테르 오일, 트리메틸올프로판 에스테르 오일, 콤플렉스 에스테르 오일, 트리멜리테이트 에스테르 오일, 및 피로멜리테이트 에스테르 오일중 적어도 1종을 에스테르 오일의 총 중량을 기준으로 하여 50-100중량%의 량로 함유하는 것을 특징으로 하는 그리스 조성물.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019950035242A 1994-10-17 1995-10-13 그리스 조성물 KR960014310A (ko)

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JP27555294A JP3330755B2 (ja) 1994-10-17 1994-10-17 グリース組成物

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JP3330755B2 (ja) 2002-09-30
DE19538658C2 (de) 2002-11-14
JPH08113793A (ja) 1996-05-07
DE19538658A1 (de) 1996-04-25

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