JP6371687B2 - 燃料油の防カビ性および潤滑性を向上させる組成物 - Google Patents
燃料油の防カビ性および潤滑性を向上させる組成物 Download PDFInfo
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- JP6371687B2 JP6371687B2 JP2014236805A JP2014236805A JP6371687B2 JP 6371687 B2 JP6371687 B2 JP 6371687B2 JP 2014236805 A JP2014236805 A JP 2014236805A JP 2014236805 A JP2014236805 A JP 2014236805A JP 6371687 B2 JP6371687 B2 JP 6371687B2
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- cationic surfactant
- fuel oil
- fatty acid
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- 125000002947 alkylene group Chemical group 0.000 claims description 19
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- 125000001424 substituent group Chemical group 0.000 claims description 12
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- Agricultural Chemicals And Associated Chemicals (AREA)
- Liquid Carbonaceous Fuels (AREA)
Description
脂肪酸の酸価の測定には、JIS K 2501に規定の指示薬滴定法を用いた。
[組成物の製造]
カチオン系界面活性剤(防カビ剤)としてPOEラウリルアミン(花王株式会社製、アミート102)25部を、有機溶剤としての石油系脂肪族溶剤(JX日鉱日石エネルギー株式会社製、ベースソルベント21)18部に混合して希釈した。POEラウリルアミンを混合した石油系脂肪族溶剤に、潤滑剤としての高級脂肪酸A(平均炭素数が18の脂肪酸混合物、石油系芳香族溶剤を20質量%含む。)57部を混合し、回転式撹拌機(株式会社島崎エンジニアリング製、アジターAG10型)を用いて撹拌して、組成物Aを得た。
POEラウリルアミン25部を、石油系脂肪族溶剤(ベースソルベント21)29.4部に混合して希釈した。POEラウリルアミンを混合した石油系脂肪族溶剤に、潤滑剤としてオレイン酸45.6部を混合した以外は、実施例1と同じ方法で、組成物Bならびに改良軽油Bおよび改良灯油Bを得た。
(実施例3)
POEラウリルアミン16.5部を、石油系脂肪族溶剤(ベースソルベント21)33.5部に混合した以外は、実施例1と同じ方法で、組成物Cならびに改良軽油Cおよび改良灯油Cを得た。
POEラウリルアミン11部を、石油系脂肪族溶剤(ベースソルベント21)39部に混合した以外は、実施例1と同じ方法で、組成物Dならびに改良軽油Dおよび改良灯油Dを得た。
POEラウリルアミンと軽油を1:1000の質量比で混合して、改良軽油Eを得た。
高級脂肪酸と軽油を1:2500の質量比で混合して、改良軽油Fを得た。
実施例および比較例で得られた組成物80gを100mlガラス容器に密閉し、0℃、室温(25℃前後)、40℃、50℃のそれぞれの温度下で、暗所にて保管した。各温度にて2ヶ月経過後に、組成物における性状劣化の有無(沈殿、析出、濁り、分離)と、組成物における色調変化の有無(褐色変化)を目視にて評価した。結果を表1および表2に示す。
A株式会社所有の船舶S丸より採取されたA重油10gを、100メッシュのSUS金網(日本メッシュ工業株式会社製)に通して、微細なカビ菌糸Xを採取した。得られたカビ菌糸Xを、実施例または比較例で得られた改良軽油に5容量%(改良軽油100mlに対して5ml)添加して混合撹拌した。
潤滑性の評価は、ISO12156―1に規定されるHFRR(High Frequency Reciprocating Rig)試験により行った。試験鋼板の上に試験鋼球を置き、試験鋼板と試験鋼球との接触部を、実施例1で得られた60℃の改良灯油Aで完全に浸漬した状態で、0.2kgf/cm2の荷重を試験鋼球にかけて、試験鋼球を振幅1mm、周波数50Hzで75分間往復運動させ、その試験鋼球に発生する摩耗痕径(μm)を測定した。潤滑性向上性能の評価結果を、HFRR摩耗痕径(μm)として、表4に示す。
防カビ剤として表4に示す防カビ剤を用いた以外は実施例1と同様の方法で、組成物ならびに改良軽油および改良灯油を得た。
改良灯油Aの代わりに灯油のみを用いた以外は、実施例1と同様の方法で行った潤滑性向上性能の評価結果を表4および表8に示す。
改良軽油Aの代わりに軽油のみを用いた以外は、実施例1と同様の方法で行った防カビ性向上性能の評価結果を表4および表8に示す。
表5に示す防カビ剤と表6に示す潤滑剤を用いて、組成物の組成を表7に示すようにした以外は、実施例1と同様の方法で、組成物ならびに改良軽油および改良灯油を作製した。
着火燃焼試験装置(日本油化工業株式会社製、FIA-100/FCA)を用いて、改良灯油Aおよび未処理の灯油について、燃料燃焼性試験(FCA分析)を行い、着火性および燃焼性を評価した。結果を表9に示す。
Claims (10)
- カチオン系界面活性剤と、脂肪酸と、有機溶剤とを含む燃料油添加用組成物であり、
カチオン系界面活性剤が、3級アミノ基、並びに、アルキレンオキサイド基及び/又はヒドロキシアルキル基を有し、
カチオン系界面活性剤のHLB値が、3.0〜12.0であり、
脂肪酸の酸価が、100〜300mgKOH/gである、燃料油添加用組成物。 - カチオン系界面活性剤が、アルキレンオキサイド基を含む、請求項1に記載の燃料油添加用組成物。
- カチオン系界面活性剤が、化学式(I):
- カチオン系界面活性剤と、脂肪酸と、有機溶剤とを含む燃料油添加用組成物であり、
カチオン系界面活性剤が、アルキレンオキサイド基を含む4級アンモニウム化合物であり、
脂肪酸の酸価が、100〜300mgKOH/gである、燃料油添加用組成物。 - カチオン系界面活性剤が、化学式(II):
- カチオン系界面活性剤と、脂肪酸と、有機溶剤とを含む燃料油添加用組成物であり、
カチオン系界面活性剤が、炭素数8〜20の直鎖または分岐鎖のアルキル基およびアルケニル基、炭素数8〜20の直鎖または分岐鎖のヒドロキシアルキル基、トリル基、フェニル基、ベンジル基、並びに炭素数1〜20のポリエチレンオキサイド基およびポリプロピレンオキサイド基からなる群より選ばれる置換基を有する1級アミンまたは2級アミンであり、
脂肪酸の酸価が、100〜300mgKOH/gである、燃料油添加用組成物。 - 脂肪酸が、炭素数10〜26の直鎖または分岐鎖のアルキル基またはアルケニル基を少なくとも1つ有する、請求項1〜6のいずれかに記載の燃料油添加用組成物。
- カチオン系界面活性剤15〜35質量%と、脂肪酸25〜70質量%と、有機溶剤10〜60質量%とを含む、請求項1〜7のいずれかに記載の燃料油添加用組成物。
- 組成物中の、カチオン系界面活性剤と脂肪酸の質量比が、1/7〜1/0.5である、請求項1〜8のいずれかに記載の燃料油添加用組成物。
- 有機溶剤に、カチオン系界面活性剤または酸価が100〜300mgKOH/gである脂肪酸のいずれか一方を混合した後に、前記カチオン系界面活性剤または前記脂肪酸のいずれか他方を混合する燃料油添加用組成物の製造方法であり、
カチオン系界面活性剤が、
3級アミノ基、並びに、アルキレンオキサイド基及び/又はヒドロキシアルキル基を有し、
HLB値が3.0〜12.0であるカチオン系界面活性剤、
4級アンモニウム化合物であり、アルキレンオキサイド基を含むカチオン系界面活性剤、または、
炭素数8〜20の直鎖若しくは分岐鎖のアルキル基およびアルケニル基、炭素数8〜20の直鎖若しくは分岐鎖のヒドロキシアルキル基、トリル基、フェニル基、ベンジル基、並びに炭素数1〜20のポリエチレンオキサイド基およびポリプロピレンオキサイド基からなる群より選ばれる置換基を有する1級アミン若しくは2級アミンであるカチオン系界面活性剤である、
製造方法。
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