JP2012062361A - 潤滑油基油 - Google Patents
潤滑油基油 Download PDFInfo
- Publication number
- JP2012062361A JP2012062361A JP2010205806A JP2010205806A JP2012062361A JP 2012062361 A JP2012062361 A JP 2012062361A JP 2010205806 A JP2010205806 A JP 2010205806A JP 2010205806 A JP2010205806 A JP 2010205806A JP 2012062361 A JP2012062361 A JP 2012062361A
- Authority
- JP
- Japan
- Prior art keywords
- acid
- enanthic
- base oil
- lubricating base
- caprylic
- 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
Links
- 239000002199 base oil Substances 0.000 title claims abstract description 59
- 230000001050 lubricating effect Effects 0.000 title claims abstract description 54
- MNWFXJYAOYHMED-UHFFFAOYSA-N heptanoic acid Chemical compound CCCCCCC(O)=O MNWFXJYAOYHMED-UHFFFAOYSA-N 0.000 claims abstract description 115
- WWZKQHOCKIZLMA-UHFFFAOYSA-N octanoic acid Chemical compound CCCCCCCC(O)=O WWZKQHOCKIZLMA-UHFFFAOYSA-N 0.000 claims abstract description 111
- GHVNFZFCNZKVNT-UHFFFAOYSA-N decanoic acid Chemical compound CCCCCCCCCC(O)=O GHVNFZFCNZKVNT-UHFFFAOYSA-N 0.000 claims abstract description 84
- 239000005635 Caprylic acid (CAS 124-07-2) Substances 0.000 claims abstract description 55
- 229960002446 octanoic acid Drugs 0.000 claims abstract description 55
- 150000002148 esters Chemical class 0.000 claims abstract description 43
- 239000005632 Capric acid (CAS 334-48-5) Substances 0.000 claims abstract description 41
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims abstract description 26
- ZJCCRDAZUWHFQH-UHFFFAOYSA-N Trimethylolpropane Chemical compound CCC(CO)(CO)CO ZJCCRDAZUWHFQH-UHFFFAOYSA-N 0.000 claims abstract description 19
- 150000001735 carboxylic acids Chemical class 0.000 claims abstract description 4
- 239000010687 lubricating oil Substances 0.000 claims description 21
- 150000001732 carboxylic acid derivatives Chemical class 0.000 description 32
- 230000000052 comparative effect Effects 0.000 description 17
- 239000002253 acid Substances 0.000 description 13
- -1 greases Substances 0.000 description 11
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- POULHZVOKOAJMA-UHFFFAOYSA-N dodecanoic acid Chemical compound CCCCCCCCCCCC(O)=O POULHZVOKOAJMA-UHFFFAOYSA-N 0.000 description 5
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- 238000007254 oxidation reaction Methods 0.000 description 5
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- 239000000314 lubricant Substances 0.000 description 4
- SLCVBVWXLSEKPL-UHFFFAOYSA-N neopentyl glycol Chemical compound OCC(C)(C)CO SLCVBVWXLSEKPL-UHFFFAOYSA-N 0.000 description 4
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- 239000000126 substance Substances 0.000 description 3
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- 239000011701 zinc Substances 0.000 description 3
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- IISBACLAFKSPIT-UHFFFAOYSA-N bisphenol A Chemical compound C=1C=C(O)C=CC=1C(C)(C)C1=CC=C(O)C=C1 IISBACLAFKSPIT-UHFFFAOYSA-N 0.000 description 2
- 238000007664 blowing Methods 0.000 description 2
- 239000011575 calcium Substances 0.000 description 2
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- 125000004432 carbon atom Chemical group C* 0.000 description 2
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- 238000005886 esterification reaction Methods 0.000 description 2
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- 238000002156 mixing Methods 0.000 description 2
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Abstract
【解決手段】トリメチロールプロパンを90重量%以上含むアルコール成分と、エナント酸、カプリル酸及びカプリン酸を含み、かつ、エナント酸、カプリル酸及びカプリン酸を総量で90重量%以上含むカルボン酸成分とを反応させて得られる合成エステルからなる潤滑油基油であって、重量比(エナント酸/カプリル酸)が0.33〜0.67であり、重量比(カプリン酸/(エナント酸+カプリル酸))が0.04〜0.10である潤滑油基油。
【選択図】なし
Description
前記エナント酸と、前記カプリル酸との重量比(エナント酸/カプリル酸)が0.33〜0.67であり、
前記カプリン酸と、前記エナント酸と前記カプリル酸の合計の重量比(カプリン酸/(エナント酸+カプリル酸))が0.04〜0.10である潤滑油基油、に関する。
前記エナント酸と、前記カプリル酸との重量比(エナント酸/カプリル酸)が0.33〜0.67であり、
前記カプリン酸と、前記エナント酸及び前記カプリル酸との重量比(カプリン酸/(エナント酸+カプリル酸))が0.04〜0.10である潤滑油、に関する。
(合成エステルの調製)
2リットルの4つ口フラスコに、撹拌機、温度計、窒素ガス吹き込み管及び冷却管を取り付けた。このフラスコに、カルボン酸成分として、エナント酸306g、カプリル酸918g及びカプリン酸51gを入れ、これにアルコール成分として、トリメチロールプロパン350gを添加した。なお、トリメチロールプロパンの添加量は、トリメチロールプロパンの水酸基1当量に対してカルボン酸成分のカルボキシル基は1.15当量になるよう設定した。
前記で得られた合成エステルを潤滑油基油として用いた。当該潤滑油基油は潤滑油としても使用でき、40℃の動粘度、引火点、流動点は、潤滑油の指標ともなる。以下の実施例及び比較例も、同様に、潤滑油基油としての評価であると共に、潤滑油としての評価でもある。
実施例1において、合成エステルの調製にあたり、アルコール成分の種類、カルボン酸成分の種類および割合を表1に示すものに変えたこと以外は、実施例1と同様にして、合成エステルを調製して、潤滑油基油として用いた。なお、表1において、各例のアルコール成分の使用量は実施例1と同じであり、アルコール成分の水酸基1当量に対してカルボン酸成分のカルボキシル基が1.15当量になるよう、各カルボン酸成分を配合した。各カルボン酸成分の割合については、カルボン酸成分の合計100重量%に対する割合を表1に示す。得られた合成エステルの酸価、水酸基価を表1に示す。
前記実施例及び比較例で得られた合成エステル(潤滑油基油)について下記評価を行った。結果を表1に示す。
Claims (4)
- トリメチロールプロパンを90重量%以上含むアルコール成分と、エナント酸、カプリル酸及びカプリン酸を含み、かつ、エナント酸、カプリル酸及びカプリン酸を総量で90重量%以上含むカルボン酸成分とを反応させて得られる合成エステルからなる潤滑油基油であって、
前記エナント酸と、前記カプリル酸との重量比(エナント酸/カプリル酸)が0.33〜0.67であり、
前記カプリン酸と、前記エナント酸と前記カプリル酸の合計の重量比(カプリン酸/(エナント酸+カプリル酸))が0.04〜0.10である潤滑油基油。 - 40℃での動粘度が20mm2/秒未満であり、引火点が260℃以上であり、かつ、流動点が−50℃以下である請求項1記載の潤滑油基油。
- トリメチロールプロパンを90重量%以上含むアルコール成分と、エナント酸、カプリル酸及びカプリン酸を含み、かつ、エナント酸、カプリル酸及びカプリン酸を総量で90重量%以上含むカルボン酸成分とを反応させて得られる合成エステルを含有してなる潤滑油であって、
前記エナント酸と、前記カプリル酸との重量比(エナント酸/カプリル酸)が0.33〜0.67であり、
前記カプリン酸と、前記エナント酸及び前記カプリル酸との重量比(カプリン酸/(エナント酸+カプリル酸))が0.04〜0.10である潤滑油。 - 40℃での動粘度が20mm2/秒未満であり、引火点が260℃以上であり、かつ、流動点が−50℃以下である請求項3記載の潤滑油。
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JP2021042185A (ja) * | 2019-09-13 | 2021-03-18 | 築野食品工業株式会社 | 組成物 |
JP2021042352A (ja) * | 2020-03-24 | 2021-03-18 | 築野食品工業株式会社 | 組成物 |
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JP2000516970A (ja) * | 1996-01-16 | 2000-12-19 | エクソン・ケミカル・パテンツ・インク | 3,5,5―トリメチル―1―ヘキサノールに基づく高安定性で低金属のエステル |
JP2005187647A (ja) * | 2003-12-25 | 2005-07-14 | Nippon Oil Corp | 工作機械用潤滑油及び工作機械の潤滑方法 |
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JPH10511712A (ja) * | 1994-12-08 | 1998-11-10 | エクソン・ケミカル・パテンツ・インク | 生物分解性分枝鎖合成エステルベースストック及びそれらから生成された潤滑剤 |
JP2000516970A (ja) * | 1996-01-16 | 2000-12-19 | エクソン・ケミカル・パテンツ・インク | 3,5,5―トリメチル―1―ヘキサノールに基づく高安定性で低金属のエステル |
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JP2021042185A (ja) * | 2019-09-13 | 2021-03-18 | 築野食品工業株式会社 | 組成物 |
JP2021042352A (ja) * | 2020-03-24 | 2021-03-18 | 築野食品工業株式会社 | 組成物 |
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