JP2017095665A - 冷凍機油及び冷凍機用作動流体組成物 - Google Patents
冷凍機油及び冷凍機用作動流体組成物 Download PDFInfo
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- JP2017095665A JP2017095665A JP2015232331A JP2015232331A JP2017095665A JP 2017095665 A JP2017095665 A JP 2017095665A JP 2015232331 A JP2015232331 A JP 2015232331A JP 2015232331 A JP2015232331 A JP 2015232331A JP 2017095665 A JP2017095665 A JP 2017095665A
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- JP
- Japan
- Prior art keywords
- refrigerating machine
- mass
- oil
- acid
- machine oil
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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- 239000000203 mixture Substances 0.000 title claims abstract description 34
- 239000012530 fluid Substances 0.000 title claims abstract description 13
- 238000005057 refrigeration Methods 0.000 title abstract description 11
- 125000004432 carbon atom Chemical group C* 0.000 claims abstract description 30
- 125000000217 alkyl group Chemical group 0.000 claims abstract description 27
- 239000002199 base oil Substances 0.000 claims abstract description 18
- ASMQGLCHMVWBQR-UHFFFAOYSA-M diphenyl phosphate Chemical compound C=1C=CC=CC=1OP(=O)([O-])OC1=CC=CC=C1 ASMQGLCHMVWBQR-UHFFFAOYSA-M 0.000 claims abstract description 7
- CMPQUABWPXYYSH-UHFFFAOYSA-N phenyl phosphate Chemical compound OP(O)(=O)OC1=CC=CC=C1 CMPQUABWPXYYSH-UHFFFAOYSA-N 0.000 claims abstract description 5
- 239000010721 machine oil Substances 0.000 claims description 44
- 239000003507 refrigerant Substances 0.000 claims description 38
- 150000002430 hydrocarbons Chemical class 0.000 claims description 23
- 150000002148 esters Chemical class 0.000 claims description 20
- 229930195733 hydrocarbon Natural products 0.000 claims description 19
- 230000001050 lubricating effect Effects 0.000 claims description 17
- RWRIWBAIICGTTQ-UHFFFAOYSA-N difluoromethane Chemical compound FCF RWRIWBAIICGTTQ-UHFFFAOYSA-N 0.000 claims description 10
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- 239000002480 mineral oil Substances 0.000 claims description 9
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- 229930195729 fatty acid Natural products 0.000 description 16
- 239000000194 fatty acid Substances 0.000 description 16
- 150000004665 fatty acids Chemical class 0.000 description 16
- 239000004215 Carbon black (E152) Substances 0.000 description 15
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- 238000012360 testing method Methods 0.000 description 10
- 239000000654 additive Substances 0.000 description 9
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- 239000003795 chemical substances by application Substances 0.000 description 5
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- 230000000996 additive effect Effects 0.000 description 4
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- OBETXYAYXDNJHR-UHFFFAOYSA-N alpha-ethylcaproic acid Natural products CCCCC(CC)C(O)=O OBETXYAYXDNJHR-UHFFFAOYSA-N 0.000 description 4
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- CDOOAUSHHFGWSA-OWOJBTEDSA-N (e)-1,3,3,3-tetrafluoroprop-1-ene Chemical compound F\C=C\C(F)(F)F CDOOAUSHHFGWSA-OWOJBTEDSA-N 0.000 description 3
- OILUAKBAMVLXGF-UHFFFAOYSA-N 3,5,5-trimethyl-hexanoic acid Chemical compound OC(=O)CC(C)CC(C)(C)C OILUAKBAMVLXGF-UHFFFAOYSA-N 0.000 description 3
- WWZKQHOCKIZLMA-UHFFFAOYSA-N Caprylic acid Natural products CCCCCCCC(O)=O WWZKQHOCKIZLMA-UHFFFAOYSA-N 0.000 description 3
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- RZRNAYUHWVFMIP-KTKRTIGZSA-N 1-oleoylglycerol Chemical compound CCCCCCCC\C=C/CCCCCCCC(=O)OCC(O)CO RZRNAYUHWVFMIP-KTKRTIGZSA-N 0.000 description 2
- NKBWMBRPILTCRD-UHFFFAOYSA-N 2-Methylheptanoic acid Chemical compound CCCCCC(C)C(O)=O NKBWMBRPILTCRD-UHFFFAOYSA-N 0.000 description 2
- TXBCBTDQIULDIA-UHFFFAOYSA-N 2-[[3-hydroxy-2,2-bis(hydroxymethyl)propoxy]methyl]-2-(hydroxymethyl)propane-1,3-diol Chemical compound OCC(CO)(CO)COCC(CO)(CO)CO TXBCBTDQIULDIA-UHFFFAOYSA-N 0.000 description 2
- OVBFMEVBMNZIBR-UHFFFAOYSA-N 2-methylvaleric acid Chemical compound CCCC(C)C(O)=O OVBFMEVBMNZIBR-UHFFFAOYSA-N 0.000 description 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- FERIUCNNQQJTOY-UHFFFAOYSA-N Butyric acid Chemical compound CCCC(O)=O FERIUCNNQQJTOY-UHFFFAOYSA-N 0.000 description 2
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 239000004593 Epoxy Substances 0.000 description 2
- XPDWGBQVDMORPB-UHFFFAOYSA-N Fluoroform Chemical compound FC(F)F XPDWGBQVDMORPB-UHFFFAOYSA-N 0.000 description 2
- GOOHAUXETOMSMM-UHFFFAOYSA-N Propylene oxide Chemical compound CC1CO1 GOOHAUXETOMSMM-UHFFFAOYSA-N 0.000 description 2
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- 239000003963 antioxidant agent Substances 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 229920001577 copolymer Polymers 0.000 description 2
- UZJUEEROTUVKNS-UHFFFAOYSA-N decyl diphenyl phosphate Chemical compound C=1C=CC=CC=1OP(=O)(OCCCCCCCCCC)OC1=CC=CC=C1 UZJUEEROTUVKNS-UHFFFAOYSA-N 0.000 description 2
- 238000004821 distillation Methods 0.000 description 2
- UKMSUNONTOPOIO-UHFFFAOYSA-N docosanoic acid Chemical compound CCCCCCCCCCCCCCCCCCCCCC(O)=O UKMSUNONTOPOIO-UHFFFAOYSA-N 0.000 description 2
- 150000002170 ethers Chemical class 0.000 description 2
- KEMQGTRYUADPNZ-UHFFFAOYSA-N heptadecanoic acid Chemical compound CCCCCCCCCCCCCCCCC(O)=O KEMQGTRYUADPNZ-UHFFFAOYSA-N 0.000 description 2
- IPCSVZSSVZVIGE-UHFFFAOYSA-N hexadecanoic acid Chemical compound CCCCCCCCCCCCCCCC(O)=O IPCSVZSSVZVIGE-UHFFFAOYSA-N 0.000 description 2
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- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 2
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- 150000002762 monocarboxylic acid derivatives Chemical class 0.000 description 2
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- 230000001771 impaired effect Effects 0.000 description 1
- YAQXGBBDJYBXKL-UHFFFAOYSA-N iron(2+);1,10-phenanthroline;dicyanide Chemical compound [Fe+2].N#[C-].N#[C-].C1=CN=C2C3=NC=CC=C3C=CC2=C1.C1=CN=C2C3=NC=CC=C3C=CC2=C1 YAQXGBBDJYBXKL-UHFFFAOYSA-N 0.000 description 1
- 150000004668 long chain fatty acids Chemical class 0.000 description 1
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 1
- VNXBKJFUJUWOCW-UHFFFAOYSA-N methylcyclopropane Chemical compound CC1CC1 VNXBKJFUJUWOCW-UHFFFAOYSA-N 0.000 description 1
- WQEPLUUGTLDZJY-UHFFFAOYSA-N n-Pentadecanoic acid Natural products CCCCCCCCCCCCCCC(O)=O WQEPLUUGTLDZJY-UHFFFAOYSA-N 0.000 description 1
- FUZZWVXGSFPDMH-UHFFFAOYSA-N n-hexanoic acid Natural products CCCCCC(O)=O FUZZWVXGSFPDMH-UHFFFAOYSA-N 0.000 description 1
- SLCVBVWXLSEKPL-UHFFFAOYSA-N neopentyl glycol Chemical compound OCC(C)(C)CO SLCVBVWXLSEKPL-UHFFFAOYSA-N 0.000 description 1
- 238000006386 neutralization reaction Methods 0.000 description 1
- 125000001400 nonyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 description 1
- OQCDKBAXFALNLD-UHFFFAOYSA-N octadecanoic acid Natural products CCCCCCCC(C)CCCCCCCCC(O)=O OQCDKBAXFALNLD-UHFFFAOYSA-N 0.000 description 1
- 125000002347 octyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 150000002896 organic halogen compounds Chemical class 0.000 description 1
- 150000002898 organic sulfur compounds Chemical class 0.000 description 1
- 125000006353 oxyethylene group Chemical group 0.000 description 1
- UJMWVICAENGCRF-UHFFFAOYSA-N oxygen difluoride Chemical class FOF UJMWVICAENGCRF-UHFFFAOYSA-N 0.000 description 1
- 239000012188 paraffin wax Substances 0.000 description 1
- GTLACDSXYULKMZ-UHFFFAOYSA-N pentafluoroethane Chemical compound FC(F)C(F)(F)F GTLACDSXYULKMZ-UHFFFAOYSA-N 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 239000003209 petroleum derivative Substances 0.000 description 1
- 150000002989 phenols Chemical class 0.000 description 1
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 1
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 229920001521 polyalkylene glycol ether Polymers 0.000 description 1
- 229920001223 polyethylene glycol Polymers 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 229920005606 polypropylene copolymer Polymers 0.000 description 1
- 229920001451 polypropylene glycol Polymers 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- QQONPFPTGQHPMA-UHFFFAOYSA-N propylene Natural products CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 description 1
- 125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 150000004671 saturated fatty acids Chemical class 0.000 description 1
- 231100000241 scar Toxicity 0.000 description 1
- 239000010802 sludge Substances 0.000 description 1
- 238000000638 solvent extraction Methods 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- QZZGJDVWLFXDLK-UHFFFAOYSA-N tetracosanoic acid Chemical compound CCCCCCCCCCCCCCCCCCCCCCCC(O)=O QZZGJDVWLFXDLK-UHFFFAOYSA-N 0.000 description 1
- OFHCXWMZXQBQMH-UHFFFAOYSA-N trifluoro(trifluoromethylsulfanyl)methane Chemical compound FC(F)(F)SC(F)(F)F OFHCXWMZXQBQMH-UHFFFAOYSA-N 0.000 description 1
- QXJQHYBHAIHNGG-UHFFFAOYSA-N trimethylolethane Chemical compound OCC(C)(CO)CO QXJQHYBHAIHNGG-UHFFFAOYSA-N 0.000 description 1
- KUHPLTBUBAGTDV-UHFFFAOYSA-N tris-decyl phosphate Chemical compound CCCCCCCCCCOP(=O)(OCCCCCCCCCC)OCCCCCCCCCC KUHPLTBUBAGTDV-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Lubricants (AREA)
Abstract
【解決手段】潤滑油基油と、冷凍機油全量基準で0.01〜5.0質量%の、炭素数8〜12のアルキル基を1つ有するモノ(アルキル)ジフェニルフォスフェート及び炭素数8〜12のアルキル基を2つ有するジ(アルキル)フェニルフォスフェートからなる群より選ばれる少なくとも1種と、を含有する冷凍機油。
【選択図】なし
Description
[1] 潤滑油基油と、冷凍機油全量基準で0.01〜5.0質量%の、炭素数8〜12のアルキル基を1つ有するモノ(アルキル)ジフェニルフォスフェート及び炭素数8〜12のアルキル基を2つ有するジ(アルキル)フェニルフォスフェートからなる群より選ばれる少なくとも1種と、を含有する冷凍機油。
[2] 潤滑油基油が、鉱油、アルキルベンゼン、ポリ−α−オレフィン、エステル及びエーテルからなる群より選ばれる少なくとも1種を含有し、40℃における動粘度が3〜500mm2/sである、[1]に記載の冷凍機油。
[3] 地球温暖化係数が1000以下である冷媒と共に用いられる、[1]又は[2]に記載の冷凍機油。
[4] 冷媒が、炭素数2〜4の炭化水素、フルオロプロペン及びジフルオロメタンからなる群より選ばれる少なくとも1種を含有する、[3]に記載の冷凍機油。
[5] [1]〜[4]のいずれかに記載の冷凍機油と、地球温暖化係数が1000以下である冷媒と、を含有する冷凍機用作動流体組成物。
[6] 冷媒が、炭素数2〜4の炭化水素、フルオロプロペン及びジフルオロメタンからなる群より選ばれる少なくとも1種を含有する、[5]に記載の冷凍機用作動流体組成物。
[式(1)中、R1,R2及びR3は同一でも異なっていてもよく、それぞれ水素原子又は炭素数1〜8の炭化水素基を示し、R4は炭素数1〜10の二価の炭化水素基又は炭素数2〜20の二価のエーテル結合酸素含有炭化水素基を示し、R5は炭素数1〜20の炭化水素基を示し、mはポリビニルエーテルを構成する全構造単位のmの平均値が0〜10となるような数を示し、R1〜R5は構造単位ごとに同一であっても異なっていてもよく、一の構造単位においてmが2以上である場合には、複数のR4Oは同一でも異なっていてもよい。]
O=P(OR)p(OPh)q (2)
式(2)中、Rは炭素数8〜12のアルキル基を表し、Phはフェニル基を表し、p,qはそれぞれ1又は2を表す(ただしp+q=3である)。
[基油]
(A1)ペンタエリスリトールと2−エチルヘキサン酸/3,5,5−トリメチルヘキサン酸の混合酸(質量比:1/1)とのエステル(40℃動粘度:68.0mm2/s、粘度指数:90、流動点:−40℃、引火点:260℃)
(A2)ジオクチルセバケート(40℃動粘度:11.6mm2/s、粘度指数:150、流動点:−50℃、引火点:220℃)
(A3)ポリアルキレングリコールの両末端がメチル基でエーテル封鎖されたポリアルキレングリコールジメチルエーテル(数平均分子量:1000、40℃動粘度:46.0mm2/s、粘度指数:190、流動点:−45℃、引火点:218℃)
(A4)パラフィン系精製鉱油(40℃動粘度:22.0mm2/s、粘度指数:95、流動点:−15℃、引火点:210℃)
(A5)直鎖型アルキルベンゼン(40℃動粘度4.3mm2/s、流動点:−50℃、引火点:158℃)
[添加剤]
(B1)モノ(2−エチルヘキシル)ジフェニルフォスフェート
(B2)ジ(2−エチルヘキシル)フェニルフォスフェート
(B3)モノ(ノルマルデシル)ジフェニルフォスフェート
(C1)グリセロールモノオレエート
(C2)トリフェニルフォスフェート
(C3)トリクレジルフォスフェート
(C4)トリ(ノルマルデシル)フォスフェート
(摩擦摩耗試験)
冷媒雰囲気で試験ができる、密閉可能なASTM D−2714−88のファレックスブロック・オン・リング摩擦摩耗試験機を用い、ブロック:合金工具鋼SKS3(JIS G4404)、リング:ニッケルクロムモリブデン鋼SNCM220(JIS G4103)をテストピースとして用い、荷重:1000N、周速:0.1m/s、温度:50℃、試験時間:30分間の試験条件で試験を実施した。油量を125mL、冷媒量を0.5MPaGとし、冷媒としてはR32(GWP:675)、R290(プロパン、GWP:3)、又はHFO−1234yf(GWP:4)を用いた。摺動部について、真空ポンプで脱気した後、各冷媒で置換し、摩擦摩耗試験を実施した。摩擦特性については、試験開始から約25分後に安定したときの摩擦係数を測定し、耐摩耗性については、試験終了後のブロック上の摩耗痕径(mm)を目盛り付き顕微鏡で測定することにより評価した。なお、実施例の冷凍機油については、摩耗深さ(μm)も併せて測定した。
Claims (6)
- 潤滑油基油と、
冷凍機油全量基準で0.01〜5.0質量%の、炭素数8〜12のアルキル基を1つ有するモノ(アルキル)ジフェニルフォスフェート及び炭素数8〜12のアルキル基を2つ有するジ(アルキル)フェニルフォスフェートからなる群より選ばれる少なくとも1種と、
を含有する冷凍機油。 - 前記潤滑油基油が、鉱油、アルキルベンゼン、ポリ−α−オレフィン、エステル及びエーテルからなる群より選ばれる少なくとも1種を含有し、
40℃における動粘度が3〜500mm2/sである、請求項1に記載の冷凍機油。 - 地球温暖化係数が1000以下である冷媒と共に用いられる、請求項1又は2に記載の冷凍機油。
- 前記冷媒が、炭素数2〜4の炭化水素、フルオロプロペン及びジフルオロメタンからなる群より選ばれる少なくとも1種を含有する、請求項3に記載の冷凍機油。
- 請求項1〜4のいずれか一項に記載の冷凍機油と、
地球温暖化係数が1000以下である冷媒と、
を含有する冷凍機用作動流体組成物。 - 前記冷媒が、炭素数2〜4の炭化水素、フルオロプロペン及びジフルオロメタンからなる群より選ばれる少なくとも1種を含有する、請求項5に記載の冷凍機用作動流体組成物。
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