JPH0892574A - オットーエンジン用燃料及びそのためのバルブ清浄添加剤 - Google Patents
オットーエンジン用燃料及びそのためのバルブ清浄添加剤Info
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- JPH0892574A JPH0892574A JP7230489A JP23048995A JPH0892574A JP H0892574 A JPH0892574 A JP H0892574A JP 7230489 A JP7230489 A JP 7230489A JP 23048995 A JP23048995 A JP 23048995A JP H0892574 A JPH0892574 A JP H0892574A
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- fuel
- polyetheramine
- alkyl
- general formula
- hydrogen
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Abstract
ジン用燃料 【解決手段】 少量の一般式Iのポリエーテルアミン: R1−(OBu)n−NR2R3 (I) を含有するオットーエンジン用燃料。 〔R1はC2〜C30−アルキル基を、R2及びR3は相互に
無関係に水素、C1〜C8−アルキル、一般式II: −R4−NR5R6 (II) のアミノアルキレン基又は一般式III: −(R4−NR5)m−R6 (III) のポリアミノアルキレン基(R4はC2〜C10−アルキレ
ン基を、R5及びR6は相互に無関係に水素又はC1〜C8
−アルキルを、mは2〜8の数を示す)を、Buはブチ
レンオキシド由来のブチレン基を、nは12〜28の数
を表す〕
Description
キル、一般式II: −R4−NR5R6 (II) のアミノアルキレン基又は一般式III: −(R4−NR5)m−R6 (III) のポリアミノアルキレン基(式中のR4は、C2〜C10−
アルキレン基であり、R5及びR6は、相互に無関係に、
水素又はC1〜C8−アルキルであり、かつmは、2〜8
の数を示す)を表し、Buは、ブチレンオキシドに由来
するブチレン基を表し、かつnは、12〜28の数であ
る]のポリエーテルアミンを含有するオットーエンジン
用の燃料に関する。
75号明細書から、プロピレンオキシド又はブチレンオ
キシドに由来するアルキレン基を有する前記のタイプの
ポリエーテルアミンが、オットー燃料用のバルブ清浄添
加剤として公知である。そこには、アルコキシル化度
は、5〜100、有利には、5〜30と記載されてい
る。例Bとして、ブチレンオキシドと反応させ、かつ引
き続き、アンモニアでアミノ化した分子量730のイソ
−トリデカノールが記載され、これから、約7.5のブ
トキシル化度を算出することができる。
則的には良好なバルブ清浄効果を有するが、更なる改良
が、なお望まれている。
は、そのような更なる改良をもたらす燃料添加剤を提供
することであった。
れたポリエーテルアミンIを含有する燃料を発見した。
その基R1は、C8〜C20−アルキル、殊に、C9〜C
15−アルキル、特に、C1 1〜C14−アルキルを示すのが
有利であり;C13−アルキルが、最も有利である。大抵
の長鎖基R1は、線状又は有利には分枝鎖であってよ
い。
が、(ポリ)アミノアルキレン基IIもしくはIIIで
はない場合、それ(ら)は、C1〜C4−アルキル、例え
ば、メチル又はエチル又は殊に水素を表すのが有利であ
る。
−アルキレン、殊に、1,2−エチレン又は1,3−プ
ロピレンであるのが有利である。
2〜4の数を示すのが有利である。
キル、例えば、メチル又はエチル、又は殊に、水素を表
すのが有利である。
R3の両方が、水素を表すか、又はそれらの基の一方
が、水素を表し、かつ、他方が、2−アミノエチル、3
−アミノプロピル又は3−(N,N−ジメチルアミノ)プ
ロピルを表す。最後に挙げられた基は、ジアミンである
1,2−エチレンジアミン、1,3−プロピレンジアミ
ンもしくは、3−(N,N−ジメチルアミノ)プロピルア
ミンから生じる。
は、20〜23、特に、22である。その際、nは、ブ
トキシル化生成物の統計的な分布の平均値である。
特許(EP−A)第310875号明細書の記載のよう
に、式:R1−OHのアルコールとブチレンオキシド
(その際、ここでは、1,2−ブチレンオキシド、2,
3−ブチレンオキシド、イソブチレンオキシド又はこれ
らの混合物を使用することができる)とを反応させ、か
つ引き続き、アンモニア又は式:NHR2R3のアミンを
用いてアミノ化することにより製造するのが有利であ
る。
れていないノーマル−及びスーパーガソリンが、これに
該当する。これらのガソリンは、炭化水素以外の他の成
分、例えば、アルコール、例えば、メタノール、エタノ
ール又はt−ブタノール並びにエーテル、例えば、メチ
ル−t−ブチル−エーテルを含有していてもよい。本発
明で使用されるべきポリエーテルアミンIと並んで、こ
の燃料は、一般に、更に他の添加物、例えば、腐食防止
剤、安定剤、酸化防止剤又は更なる洗浄剤を含有する。
る構造により、皮膜形成の傾向がある有機カルボン酸の
アンモニウム塩である。pH−値を上げるためのアミン
も、しばしば、腐食防止剤中に存在する。非鉄金属腐食
保護剤としては、大抵、ヘテロ環状芳香族化合物が使用
される。
ミン、例えば、p−フェニレンジアミン、ジシクロヘキ
シルアミン、モルホリン又はこれらのアミンの誘導体を
挙げることができる。フェノール系酸化防止剤、例え
ば、2,4−ジ−t−ブチルフェノール又は3,5−ジ
−t−ブチル−4−ヒドロキシ−フェニルプロピオン酸
及びこれらの誘導体も、燃料に添加される。
ブ清浄剤としては、更に、場合により、ポリイソブチレ
ンコハク酸無水物のアミド及びイミド、ポリ(イソ)ブテ
ンアミン、ポリ(イソ)ブテンポリアミン並びに長鎖カル
ボン酸アミド及び−イミドを、燃料中に含有させる。
ンIの濃縮物用のキャリヤオイルとしては、粘度範囲S
N500〜900の鉱油を使用することができるが、ブ
ライトストック及び合成油、例えば、ポリ−α−オレフ
ィン、トリメリト酸エステル又はポリエーテルも使用す
ることができる。エステルは、可能な限り、8個を上回
るC−原子を有する長鎖の分枝鎖アルコールを、ポリエ
ーテルは、有利に、長鎖スターター(Starter)及び高い
プロピレンオキシド−又はブチレンオキシド−含分を、
分子中に含有すべきである。
般に、純粋なポリエーテルアミンに対して、10〜20
00ppmの量で含有する。しかし、大抵、20〜10
00ppm、有利には、40〜400ppmで、既に十
分である。
ンIは、燃料中で、主に、バルブ清浄添加剤として、即
ち、洗浄剤として役に立つ。だが、これは、部分的に
は、他の洗浄剤のためのキャリヤオイルの機能も果たし
うる。
I又は数種のポリエーテルアミンIからなる混合物を含
有することができる。
の効果を説明する。
一般的な製造処方に従い、アルカリ触媒を用いてのオキ
シアルキル化によりポリエーテルを、かつこれらのポリ
エーテルとアンモニアとを還元的条件下で反応させてポ
リエーテルアミンを製造するために、イソ−トリデカノ
ール(テトラマープロピレンから)1モルを、 例A:1,2−ブチレンオキシド8モル(比較用) 例B:1,2−ブチレンオキシド22モル(本発明) 例C:1,2−ブチレンオキシド35モル(比較用) と反応させ、引き続き、NH3/H2/ラネー−ニッケル
を用いてアミノ化して、3種のポリエーテルアミンA、
B及びCを得た。
−エンジンで、サイクルテストプログラムCEC−F−
04−A−87の使用下に実施した。全テスト時間は、
40時間であった。使用ガソリンは、市販の鉛処理され
ていないスーパーガソリンであり、かつ使用エンジンオ
イルはレファレンスオイル(Referenzoel)RL−139
であった。
のために、吸気弁を、その下側で取外した後、注意深く
機械的に、燃焼室からの付着物を、除去した。その後、
弁の表面に付着している易溶性成分を、シクロヘキサン
中への浸漬により除去し、かつ弁を、空気中で振って乾
燥させた。この処理を、全て、2回行った。引き続き、
吸気弁を計量した。実験の前後での弁の重量の重量差か
ら、1個の吸気弁当たりの付着物の量が判明した。この
実験の結果を、次の表に示した。
Claims (6)
- 【請求項1】 オットーエンジン用燃料において、少量
の一般式I: R1−(OBu)n−NR2R3 (I) [式中、R1は、C2〜C30−アルキル基を示し、 R2及びR3は、相互に無関係に、水素、C1〜C8−アル
キル、一般式II: −R4−NR5R6 (II) のアミノアルキレン基又は一般式III: −(R4−NR5)m−R6 (III) のポリアミノアルキレン基(式中のR4は、C2〜C10−
アルキレン基であり、R5及びR6は、相互に無関係に、
水素又はC1〜C8−アルキルであり、かつmは、2〜8
の数を示す)を表し、 Buは、ブチレンオキシドに由来するブチレン基を表
し、かつnは、12〜28の数である]のポリエーテル
アミンを含有することを特徴とする、オットーエンジン
用燃料。 - 【請求項2】 式中のR1が、分枝鎖のC9〜C15−アル
キル基を示すポリエーテルアミンIを含有する、請求項
1に記載の燃料。 - 【請求項3】 式中の基R2及びR3の両方が、水素を表
すか、又は基R2及びR3の一方が、水素を、他方が2−
アミノエチル、3−アミノプロピル又は3−(N,N−
ジメチルアミノ)プロピルを表すポリエーテルアミンI
を含有する、請求項1又は2に記載の燃料。 - 【請求項4】 式中のブトキシル化度nが、20〜23
であるポリエーテルアミンIを含有する、請求項1から
3のいずれかに記載の燃料。 - 【請求項5】 燃料1キロ当たり、ポリエーテルアミン
I10〜2000mgを含有する、請求項1から4のい
ずれかに記載の燃料。 - 【請求項6】 請求項1から5のいずれかに記載のポリ
エーテルアミンIからなる、オットーエンジン用燃料の
ためのバルブ清浄添加剤。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE4432038A DE4432038A1 (de) | 1994-09-09 | 1994-09-09 | Polyetheramine enthaltende Kraftstoffe für Ottomotoren |
DE4432038.8 | 1994-09-09 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH0892574A true JPH0892574A (ja) | 1996-04-09 |
JP3725588B2 JP3725588B2 (ja) | 2005-12-14 |
Family
ID=6527739
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP23048995A Expired - Lifetime JP3725588B2 (ja) | 1994-09-09 | 1995-09-07 | オットーエンジン用燃料及びそのためのバルブ清浄添加剤 |
Country Status (5)
Country | Link |
---|---|
US (1) | US5660601A (ja) |
EP (1) | EP0700985B1 (ja) |
JP (1) | JP3725588B2 (ja) |
DE (2) | DE4432038A1 (ja) |
ES (1) | ES2127976T3 (ja) |
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- 1995-08-31 DE DE59505179T patent/DE59505179D1/de not_active Expired - Lifetime
- 1995-09-07 JP JP23048995A patent/JP3725588B2/ja not_active Expired - Lifetime
- 1995-09-11 US US08/526,388 patent/US5660601A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
US5660601A (en) | 1997-08-26 |
EP0700985B1 (de) | 1999-03-03 |
JP3725588B2 (ja) | 2005-12-14 |
EP0700985A1 (de) | 1996-03-13 |
ES2127976T3 (es) | 1999-05-01 |
DE4432038A1 (de) | 1996-03-14 |
DE59505179D1 (de) | 1999-04-08 |
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