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KR930018012A - 테트라플루오로에탄냉매 냉동기용 윤활유 - Google Patents

테트라플루오로에탄냉매 냉동기용 윤활유 Download PDF

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Publication number
KR930018012A
KR930018012A KR1019930002155A KR930002155A KR930018012A KR 930018012 A KR930018012 A KR 930018012A KR 1019930002155 A KR1019930002155 A KR 1019930002155A KR 930002155 A KR930002155 A KR 930002155A KR 930018012 A KR930018012 A KR 930018012A
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South Korea
Prior art keywords
tetrafluoroethane
carbon atoms
group
refrigerant
polyoxy
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KR1019930002155A
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English (en)
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KR0139612B1 (ko
Inventor
타다시 카다후찌
아끼라 나까무라
Original Assignee
이데미쓰 쇼스께
이데미쓰 고산 가부시끼가이샤
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Publication of KR930018012A publication Critical patent/KR930018012A/ko
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Publication of KR0139612B1 publication Critical patent/KR0139612B1/ko

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Abstract

1,1,1,2-테트라플루오로에탄 또는 1,1,2,2-테트라플루오로에탄을 냉매로한 냉도기용 윤활유에 있어서, (A) 폴리--올레핀 또는 폴리-

Description

테트라플루오로에탄냉매 냉동기용 윤활유
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음

Claims (15)

1,1,1,2-테트라플루오로에탄 또는 1,1,2,2-테트라플루오로에탄을 냉매로한 냉도기용 윤활유에 있어서, (A) 폴리-α>-올레핀 또는 폴리-α-올레핀과 알킬벤젠의 혼합물로된 합성유 40-95중량% 및 (B)폴리옥시알킬렌 글리콜 화합물, 폴리실옥산화합물 및 폴리실옥산화합물의 불화물로된 군에서 선택된 적어도 1종의 화합물로 된 유동성 개량제 5-60 중량%로된 기유를 주성분으로 하는 테트라 플루오로에탄 냉매 냉동기용 윤활유
제1항에 있어서, 폴리-α-올레핀이 탄소수 8-14의 α-올레핀의 중합체이며 40℃에서의 동점도가 10-350cSt인 테트라 플루오로에탄 냉매 냉도기용 윤활유.
제2항에 있어서, α-올레핀의 중합체가 40℃에서의 동점도가 10-350cSt인 1-도데센, 1-데센 또는 1-옥텐인 테트라 플루오로에탄 냉매 냉도기용 윤활유.
제1항에 있어서, 알킬벤젠이 40℃에서의 동점도가 10-350 cSt인 소프트 알킬벤젠 또는 하드알킬벤젠인 테트라 플루오로에탄 냉매 냉도기용 윤활유.
제1항에 있어서, 폴리-α-올레핀과 알킬벤젠의 혼합물의 폴리-α-올레핀 함량이 5-90중량%인 테트라 플루오로 에탄 냉매 냉도기용 윤활유.
제1항에 있어서, (B)유동성 개량제의 40℃에서의 동점도가 3-50cSt인 테트라 플루오로 에탄 냉매 냉도기용 윤활유.
제1항에 있어서, 폴리옥시 알킬렌 글리콜 화합이 일반식(I)
R1[(OR2)mOR3]n …… (I)
(식중, R1은 수소, 탄소수 1-10의 알킬기, 탄소수 2-10의 알케닐기, 탄소수 2-10의 알키닐기, 탄소수 6-10아릴기, 탄소수 7-10의 아랄킬기 탄소수 2-10의 아실기 또는 결합 부위 2-6을 갖는 지방족 탄화수소 기를 나타내고, R2는 탄소수 2-6의 알킬렌기, R3은 수소, 탄소수 1-10의 알킬기, 탄소수 2-10의 알케닐기, 탄소수 2-10의 알키닐기, 탄소수 6-10의 아릴기, 탄소수 7-10의 아랄킬기 또는 탄소수 2-10의 아실기를 나타내며, n은 1-6의 정수를 나타내고, n은 mxn의 평균치가 2-40으로되는 수이다)로 표시되는 화합물인 테트라플루오로 에탄 냉매냉동기용 윤활유.
제7항에 있어서, 폴리옥시알킬렌 글리콜 화합물이 옥시알킬렌 단위중에 50몰% 이상의 탄소수 4이상의 알킬렌기를 함유하는 테트라플루오로 에탄냉매 냉동기용 윤활유.
제1항에 있어서, 폴리옥시 알킬렌 글리콜 화합물이 일반식(Ⅱ)
(식중, R4는 탄소수 1-10의 1가의 탄화수소기, R5-R9는 각각 수소 또는 탄소수 1-10의 1가의 탄화수소기를 나타낸다)로 표시되는 구성 단위를 적어도 1개 이상 함유하는 테트라 플루오로 에탄 냉매 냉동기용 윤활유.
제7항에 있어서, 폴리옥시 알킬렌 글리콜 화합물이 폴리옥시 프로필렌 글리콜, 폴리옥시 부틸렌 글리콜, 폴리옥시 펜틸렌 글리콜 또는 폴리옥시 헥실렌 글리콜 화합물인 테트라 플루오로 에탄 냉매 냉동기용 윤활유.
제1항에 있어서, (B)유동성 개량제가 폴리옥시 부틸렌 글리콜, 폴리옥시 펜틸렌 글리콜 및 폴리옥시 헥실렌 글리콜 화합물로된 군에서 선택된 1종 이상의 화합물을 50%이상 함유하는 테트라 플루오로 에탄냉매 냉동기용 윤활유.
제1항에 있어서, 폴리옥시 알킬렌 글리콜 화합물이 이 화합물을 구성하는 옥시알킬렌 단위중 옥시부틸렌단위, 옥시펜틸렌단위 및 옥시헥실렌 단위의 합계를 50이상 함유하는 테트라 플루오로에탄 냉매 냉동기용 윤활유.
제1항에 있어서, (A)합성유 60-90 중량%와 (B)유동성 개량제 10-40중량%로 된 기유를 주성분으로 하는 테트라 플루오로 에탄냉매 냉동기용 윤활유.
1,1,1,2-테트라플루오로에탄 또는 1,1,2,2-테트라플루오로에탄을 냉매로한 냉도기 윤활방법에 있어서, (A) 폴리-α-올레핀 또는 폴리-α-올레핀과 알킬벤젠의 혼합물로된 합성유 40-95중량% 및 (B)폴리옥시알킬렌 글리콜 화합물, 폴리실옥산화합물 및 폴리실옥산 화합물의 불화물로된 군에서 선택된 적어도 1종의 화합물로 된 유동성 개량제 5-60 중량%로된 기유를 주성분으로 하는 것을 특징으로 하는 테트라 플루오로에탄 냉매 냉동기용 윤활방법.
압축기, 1,1,1,2-테트라플루오로에탄 또는 1,1,2,2-테트라플루오로에탄으로 된 냉매 및 제1항 내지 제13항중 어느한 항의 기유를 주성분으로 하는 윤활유로된 냉동장치.
※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019930002155A 1992-02-18 1993-02-17 테트라플루오로에탄냉매 냉동기용 윤활유 KR0139612B1 (ko)

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