JP2006081537A - アルキルエステルの製造方法 - Google Patents
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- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
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- C11C3/00—Fats, oils, or fatty acids by chemical modification of fats, oils, or fatty acids obtained therefrom
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Abstract
【解決手段】前記方法は、(1)トリグリセリドまたはカルボン酸を含む油脂源と、第1の第1級アルコールまたは第1の第2級アルコールとを、第1の有機溶剤中で混合して第1の溶液とすること(前記第1の有機溶剤の各分子は4〜8個の炭素原子と1個のヘテロ原子とを含む)、(2)前記トリグリセリドまたは前記カルボン酸と、前記の第1の第1級アルコールまたは前記の第1の第2級アルコールとを、第1のリパーゼの存在下に反応させて第1のアルキルエステルを生成させること(前記の第1の溶液は、前記反応の初めから終りまで相分離しない)、および(3)前記第1の溶液から前記第1のアルキルエステルを分離することを含む。
【選択図】なし
Description
この出願の発明に関連する先行技術文献情報としては次のものがある。
以下はアルキルエステル製造の例である。
任意の組合せで、本明細書に開示された全ての特徴を組み合わせることが可能である。本明細書に開示された特徴の各々を、同一の、等価な、あるいは類似の目的に適う別の特徴により置き換えることが可能である。したがって、そうではないと明確に指摘されない限り、開示された各特徴は、等価なまたは類似の特徴の包括的な一組の一例にすぎない。
Claims (15)
- トリグリセリドを含む油脂源と、第1の第1級アルコールまたは第1の第2級アルコールとを、第1の有機溶剤中で混合して第1の溶液とすること(該第1の有機溶剤の各分子は4〜8個の炭素原子と1個のヘテロ原子を含む)と、
該トリグリセリドと、該第1の第1級アルコールまたは該第1の第2級アルコールとを、第1のリパーゼの存在下に反応させて第1のアルキルエステルを生成させること(該第1の溶液は、該反応の初めから終りまで相分離せず、グリセロールが副生物として生成する)と、
第1の有機溶剤と、未反応の該第1の第1級または第2級アルコールとを蒸発により除去した後、該第1のアルキルエステルと該グリセロールとの間の相分離により該第1のアルキルエステルを得ることと
からなる該第1のアルキルエステルの製造方法。 - カルボン酸を含む油脂源と、第1の第1級アルコールまたは第1の第2級アルコールとを、第1の有機溶剤中で混合して第1の溶液とすること(該第1の有機溶剤の各分子は4〜8個の炭素原子と1個のヘテロ原子とを含む)と、
該カルボン酸と、該第1の第1級アルコールまたは該第1の第2級アルコールとを、第1のリパーゼの存在下に反応させて第1のアルキルエステルを生成させること(該第1の溶液は、該反応の初めから終りまで相分離せず、水が副生物として生成する)と、
第1の有機溶剤、未反応の該第1の第1級または第2級アルコール、および水を蒸発によって除去することにより、該第1のアルキルエステルを分離することと
からなる該第1のアルキルエステルの製造方法。 - 得られた前記第1のアルキルエステルと、第2の第1級アルコールまたは第2の第2級アルコールとを、任意選択で第2の有機溶剤中で混合して第2の溶液とすること(前記第1のアルキルエステルは、モノグリセリド、ジグリセリド、トリグリセリド、またはカルボン酸を不純物として含んでおり、該第2の有機溶剤の各分子は4〜8個の炭素原子と1個のヘテロ原子を含む)と、
該モノグリセリド、ジグリセリド、トリグリセリド、またはカルボン酸と、該第2の第1級アルコールまたは該第2の第2級アルコールとを、第2のリパーゼの存在下に反応させて第2のアルキルエステルを生成させること(該第2の溶液は該反応の初めから終りまで相分離しない)と、
前記第1および該第2のアルキルエステルの両方を該第2の溶液から分離することとを更に含む請求項1または2に記載の方法。 - 前記第1の有機溶剤または前記第2の有機溶剤が、C4〜C8の第3級アルコールである請求項1から3のいずれかに記載の方法。
- 前記第1の有機溶剤または前記第2の有機溶剤が、t−ブタノール、2−メチル−2−ブタノール、2,3−ジメチル−2−ブタノール、2−メチル−2−ペンタノール、3−メチル−3−ペンタノール、3−エチル−3−ペンタノール、2,3−ジメチル−2−ペンタノール、2,3−ジメチル−3−ペンタノール、2,2,3−トリメチル−3−ペンタノール、2−メチル−2−ヘキサノールまたは3−メチル−3−ヘキサノールである請求項1から4のいずれか一項に記載の方法。
- 前記第1の有機溶剤または前記第2の有機溶剤がピリジンである請求項1から3のいずれか一項に記載の方法。
- 前記第1の第1級アルコール、前記第1の第2級アルコール、前記第2の第1級アルコール、または前記第2の第2級アルコールが1から18個の炭素原子を含む請求項1から6のいずれか一項に記載の方法。
- 前記油脂源が植物油、動物油、または廃棄グリースである請求項1から7のいずれか一項に記載の方法。
- 前記油脂源が、植物油、動物油、または廃棄グリースの加水分解画分である請求項2から8のいずれか一項に記載の方法。
- 前記第1のリパーゼまたは前記第2のリパーゼが担体に固定化される請求項1から9のいずれか一項に記載の方法。
- 前記第1のリパーゼまたは前記第2のリパーゼが、カンジダ・アンタークチカ・リパーゼ、サーモマイセス・ラヌギノーサ・リパーゼ、シュードモナス・フルオレッセンス・リパーゼ、シュードモナス・セパシア・リパーゼ、またはクロモバクテリウム・ビスコサム・リパーゼである請求項1から10のいずれか一項に記載の方法。
- 前記第1の反応工程または前記第2の反応工程が、0〜95℃で実施される請求項1から11のいずれか一項に記載の方法。
- 前記第1の反応工程または前記第2の反応工程が、1〜180分間で実施される請求項1から12のいずれか一項に記載の方法。
- 前記油脂源を150〜215℃に加熱し、前記第1の混合工程の前に該加熱油脂源を前記反応温度まで冷却することをさらに含む請求項1から13のいずれか一項に記載の方法。
- 前記反応工程の前にアルキルエステルを前記第1の溶液に加えることをさらに含む請求項1から14のいずれか一項に記載の方法。
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US10/945,339 US7473539B2 (en) | 2004-09-20 | 2004-09-20 | Methods for producing alkyl esters |
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KR (2) | KR101136890B1 (ja) |
CN (2) | CN100572545C (ja) |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
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KR101858915B1 (ko) | 2010-03-01 | 2018-05-16 | 트랜스 바이오디젤 엘티디. | 지방산 알킬 에스테르의 효소적 합성을 위한 방법 |
JP2013522248A (ja) * | 2010-03-12 | 2013-06-13 | エボニック デグサ ゲーエムベーハー | 線状α,ω−ジカルボン酸ジエステルの製造方法 |
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