JP2015071672A - 冷凍機油組成物、冷凍機用作動流体組成物 - Google Patents
冷凍機油組成物、冷凍機用作動流体組成物 Download PDFInfo
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- JP2015071672A JP2015071672A JP2013207308A JP2013207308A JP2015071672A JP 2015071672 A JP2015071672 A JP 2015071672A JP 2013207308 A JP2013207308 A JP 2013207308A JP 2013207308 A JP2013207308 A JP 2013207308A JP 2015071672 A JP2015071672 A JP 2015071672A
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- Prior art keywords
- refrigerating machine
- refrigerator
- acid
- oil composition
- composition
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- 239000000203 mixture Substances 0.000 title claims abstract description 81
- 239000012530 fluid Substances 0.000 title claims description 24
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- 150000002148 esters Chemical class 0.000 claims abstract description 45
- 239000003507 refrigerant Substances 0.000 claims abstract description 43
- 150000001875 compounds Chemical class 0.000 claims abstract description 39
- 239000004593 Epoxy Substances 0.000 claims abstract description 36
- 239000002199 base oil Substances 0.000 claims abstract description 36
- VJGCZWVJDRIHNC-UHFFFAOYSA-N 1-fluoroprop-1-ene Chemical compound CC=CF VJGCZWVJDRIHNC-UHFFFAOYSA-N 0.000 claims abstract description 28
- 229920006168 hydrated nitrile rubber Polymers 0.000 claims abstract description 22
- 229920000139 polyethylene terephthalate Polymers 0.000 claims abstract description 22
- 239000005020 polyethylene terephthalate Substances 0.000 claims abstract description 22
- 239000003921 oil Substances 0.000 claims abstract description 19
- 239000010721 machine oil Substances 0.000 claims description 35
- 235000014113 dietary fatty acids Nutrition 0.000 claims description 16
- 229930195729 fatty acid Natural products 0.000 claims description 16
- 239000000194 fatty acid Substances 0.000 claims description 16
- 150000004665 fatty acids Chemical class 0.000 claims description 16
- WXZMFSXDPGVJKK-UHFFFAOYSA-N pentaerythritol Chemical compound OCC(CO)(CO)CO WXZMFSXDPGVJKK-UHFFFAOYSA-N 0.000 claims description 10
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- 239000000126 substance Substances 0.000 description 3
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- BBBUAWSVILPJLL-UHFFFAOYSA-N 2-(2-ethylhexoxymethyl)oxirane Chemical compound CCCCC(CC)COCC1CO1 BBBUAWSVILPJLL-UHFFFAOYSA-N 0.000 description 2
- IOHJQSFEAYDZGF-UHFFFAOYSA-N 2-dodecyloxirane Chemical compound CCCCCCCCCCCCC1CO1 IOHJQSFEAYDZGF-UHFFFAOYSA-N 0.000 description 2
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- 230000000996 additive effect Effects 0.000 description 2
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- 125000003118 aryl group Chemical group 0.000 description 2
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- 238000004821 distillation Methods 0.000 description 2
- FUZZWVXGSFPDMH-UHFFFAOYSA-N hexanoic acid Chemical compound CCCCCC(O)=O FUZZWVXGSFPDMH-UHFFFAOYSA-N 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- GPZRJTOZLDJPBA-UHFFFAOYSA-N n,n'-bis[2,3-di(propan-2-yl)phenyl]methanediimine Chemical compound CC(C)C1=CC=CC(N=C=NC=2C(=C(C(C)C)C=CC=2)C(C)C)=C1C(C)C GPZRJTOZLDJPBA-UHFFFAOYSA-N 0.000 description 2
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- WWZKQHOCKIZLMA-UHFFFAOYSA-N octanoic acid Chemical compound CCCCCCCC(O)=O WWZKQHOCKIZLMA-UHFFFAOYSA-N 0.000 description 2
- 229910052698 phosphorus Inorganic materials 0.000 description 2
- 239000011574 phosphorus Substances 0.000 description 2
- WLJVNTCWHIRURA-UHFFFAOYSA-N pimelic acid Chemical compound OC(=O)CCCCCC(O)=O WLJVNTCWHIRURA-UHFFFAOYSA-N 0.000 description 2
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- 239000002244 precipitate Substances 0.000 description 2
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- GJEZBVHHZQAEDB-SYDPRGILSA-N (1s,5r)-6-oxabicyclo[3.1.0]hexane Chemical compound C1CC[C@H]2O[C@H]21 GJEZBVHHZQAEDB-SYDPRGILSA-N 0.000 description 1
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Abstract
【解決手段】エステル系基油と、エポキシ化合物と、カルボジイミド化合物と、を含有し、ポリエチレンテレフタレートを含む部材および/または水素化アクリロニトリルブタジエンゴムを含む部材を備える冷凍機において、フルオロプロペンを含む冷媒とともに用いられる、冷凍機油組成物。
【選択図】なし
Description
ペンタエリスリトールと、2−メチルプロパン酸/3,5,5−トリメチルヘキサン酸の混合酸(モル比で1/9〜9/1)とのエステル。
ネオペンチルグリコールと、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(モル比で1/9〜9/1)とのエステル。
ジ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(モル比で1/9〜9/1)とのエステル。
トリメチロールプロパンにアジピン酸を反応させたエステル中間体に、さらに2−エチルヘキサノールを反応させ、残存したアルコールを蒸留で除去して得たエステル(モル比で、トリメチロールプロパンが5〜40モル%、アジピン酸が20〜60モル%、2−エチルヘキサノールが20〜60モル%、)。
ペンタエリスリトールと、n−ペンタン酸/n−ヘプタン酸/3,5,5−トリメチルヘキサン酸の混合酸(モル比で、n−ペンタン酸が20〜60モル%、n−ヘプタン酸が20〜60モル%、3,5,5−トリメチルヘキサン酸が5〜40モル%)とのエステル。
[式(1)中、Xはモノオールまたはポリオールから水酸基を除いた形の炭化水素基、Aは炭素数2〜4のアルキレン基、R1は水素原子または炭素数1〜10のアルキル基、mはXの価数、nは2以上の整数を表す。]
で表されるポリエーテル化合物が挙げられる。なお、式(1)中、(AO)nは、オキシエチレン基、オキシプロピレン基、およびオキシブチレン基の1種または2種以上が全体としてn個連結したものを表しており、(AO)n中の各オキシアルキレン基は所望の順序で配列することができる。
摩耗防止剤:硫黄系、リン系、チオリン酸亜鉛系など。
酸化防止剤:フェノール系、アミン系、リン系など。
金属不活性化剤:ベンゾトリアゾール(誘導体)、チアジアゾール、ジチオカルバメートなど。
油性剤:高級脂肪酸類、アルコール、アミンなど。
消泡剤:シリコーン油など。
基油1:(a1)ペンタエリスリトールと、2−メチルプロパン酸/3,5,5−トリメチルヘキサン酸の混合酸(モル比で1/1)とのエステル、および、(b1)ネオペンチルグリコールと、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(モル比で1/1)とのエステルを、(a1)50質量%(b1)50質量%の割合で混合したエステル基油
基油2:(a2)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(モル比で1/1)とのエステル、および、(b2)ジ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(モル比で1/1)とのエステルを、(a2)75質量%(b2)25質量%の割合で混合したエステル基油
基油3:トリメチロールプロパン(1モル)にアジピン酸(2.4モル)を反応させたエステル中間体に、さらに2−エチルヘキサノール(2.0モル)を反応させ、残存したアルコールを蒸留で除去して得たエステル基油
基油4:ペンタエリスリトールと、n−ペンタン酸/n−ヘプタン酸/3,5,5−トリメチルヘキサン酸の混合酸(モル比で40/40/20)とのエステル基油
(A)エポキシ化合物
A1:グリシジルネオデカノエート
A2:2−エチルヘキシルグリシジルエーテル
A3:1,2−エポキシテトラデカン
A4:3’,4’−エポキシシクロヘキシルメチル−3,4−エポキシシクロヘキサンカルボキシレート(セロキサイド2021P)
(B)カルボジイミド化合物
B1:ビス(ジイソプロピルフェニル)カルボジイミド
B2:ジイソプロピルカルボジイミド
200mlのオートクレーブに、水分含有量を500ppmに調整した冷凍機油組成物80gおよび2,3,3,3−テトラフルオロプロペン冷媒(HFO−1234yf)20gの混合物に水素化アクリロニトリルブタジエンゴム(H−NBR)製またはポリエチレンテレフタレート(PET)製の短冊を1枚入れ、150℃で200時間加熱した。加熱終了後、冷凍機油組成物の酸価を測定し、また、H−NBR製およびPET製の短冊について引張強度を測定し、下記式で定義される引張強度変化率(%)を算出した。
引張強度変化率[%]=(試験後の短冊の引張強度/試験前の短冊の引張強度)×100
H−NBR:縦×横×厚み=5cm×2cm×0.2cm
PET:縦×横×厚み=5cm×2cm×300μm
また、酸価はJIS K2501「石油製品及び潤滑油−中和試験方法」に準拠して測定し、引張強度はJIS K 6251に準拠して測定した。
Claims (6)
- エステル系基油と、エポキシ化合物と、カルボジイミド化合物と、を含有し、
ポリエチレンテレフタレートを含む部材および/または水素化アクリロニトリルブタジエンゴムを含む部材を備える冷凍機において、フルオロプロペンを含む冷媒とともに用いられる、冷凍機油組成物。 - 前記エステル系基油が、ペンタエリスリトールと一価脂肪酸とのエステルおよび/またはジペンタエリスリトールと一価脂肪酸とのエステルを含む、請求項1に記載の冷凍機油組成物。
- 前記エステル系基油が、ペンタエリスリトールと2種以上の一価脂肪酸の混合物とのエステルおよび/またはジペンタエリスリトールと2種以上の一価脂肪酸の混合物とのエステルを含む、請求項1または2に記載の冷凍機油組成物。
- 請求項1〜3のいずれか一項に記載の冷凍機油組成物と、フルオロプロペン冷媒と、を含有し、
ポリエチレンテレフタレートを含む部材および/または水素化アクリロニトリルブタジエンゴムを含む部材を備える冷凍機に用いられる、冷凍機用作動流体組成物。 - エステル系基油と、エポキシ化合物と、カルボジイミド化合物と、を含有する組成物の冷凍機油組成物または冷凍機用作動流体組成物としての応用であって、
前記冷凍機油組成物または冷凍機用作動流体組成物は、ポリエチレンテレフタレートを含む部材および/または水素化アクリロニトリルブタジエンゴムを含む部材を備える冷凍機において、フルオロプロペンを含む冷媒とともに用いられる冷凍機油組成物またはフルオロプロペン冷媒を含有する冷凍機用作動流体組成物である、応用。 - エステル系基油、エポキシ化合物、およびカルボジイミド化合物の冷凍機油組成物または冷凍機用作動流体組成物の製造のための応用であって、
前記冷凍機油組成物または冷凍機用作動流体組成物は、ポリエチレンテレフタレートを含む部材および/または水素化アクリロニトリルブタジエンゴムを含む部材を備える冷凍機において、フルオロプロペンを含む冷媒とともに用いられる冷凍機油組成物またはフルオロプロペン冷媒を含有する冷凍機用作動流体組成物である、応用。
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JP6575009B2 (ja) * | 2015-03-30 | 2019-09-18 | 出光興産株式会社 | 冷凍機潤滑油及び冷凍機用混合組成物 |
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