PL413146A1 - Method for epoxidation of limonene - Google Patents

Method for epoxidation of limonene

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Publication number
PL413146A1
PL413146A1 PL413146A PL41314615A PL413146A1 PL 413146 A1 PL413146 A1 PL 413146A1 PL 413146 A PL413146 A PL 413146A PL 41314615 A PL41314615 A PL 41314615A PL 413146 A1 PL413146 A1 PL 413146A1
Authority
PL
Poland
Prior art keywords
limonene
catalysts
epoxidation
solution
decane
Prior art date
Application number
PL413146A
Other languages
Polish (pl)
Other versions
PL228408B1 (en
Inventor
Agnieszka Wróblewska
Edyta Makuch
Piotr Miądlicki
Original Assignee
Zachodniopomorski Uniwersytet Technologiczny W Szczecinie
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Zachodniopomorski Uniwersytet Technologiczny W Szczecinie filed Critical Zachodniopomorski Uniwersytet Technologiczny W Szczecinie
Priority to PL413146A priority Critical patent/PL228408B1/en
Publication of PL413146A1 publication Critical patent/PL413146A1/en
Publication of PL228408B1 publication Critical patent/PL228408B1/en

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  • Epoxy Compounds (AREA)
  • Catalysts (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

Abstract

Sposób epoksydacji limonenu za pomocą 60% wodnego roztworu nadtlenku wodoru, lub roztworu wodoronadtlenku t-butylu w dekanie w obecności katalizatorów tytanowo-silikalitowych oraz rozpuszczalnika, polega na tym, że proces prowadzi się pod ciśnieniem autogenicznym, w temperaturze 150 - 160°C, przy stosunku molowym limonen/utleniacz 1:1, w czasie reakcji 3h, zaś jako katalizatory tytanowo-silikalitowe stosuje się katalizatory TS-1, TS-2, Ti-Beta, Ti-MCM-41, Ti-MWW i Ti-SBA-15 w ilości 3% wagowych w mieszaninie reakcyjnej. Proces epoksydacji limonenu prowadzi się w obecności metanolu jako rozpuszczalnika przy jego stężeniu w mieszanie reakcyjnej 80% wagowych, stosując intensywność mieszania 500 obr/min. Stosuje się 5M roztwór wodoronadtlenku t-butylu w dekanie. Surowce wprowadza się do autoklawu w następującej kolejności: limonen, metanol, katalizator i na końcu utleniacz.The method of epoxidation of limonene with a 60% aqueous solution of hydrogen peroxide, or a solution of t-butyl hydroperoxide in decane in the presence of titanium silicalite catalysts and a solvent consists in the fact that the process is carried out under autogenic pressure, at a temperature of 150 - 160 ° C, with 1: 1 molar ratio of limonene / oxidant, 3h reaction time, while TS-1, TS-2, Ti-Beta, Ti-MCM-41, Ti-MWW and Ti-SBA-15 catalysts are used as titanium-silicon catalysts in an amount of 3% by weight in the reaction mixture. The limonene epoxidation process is carried out in the presence of methanol as a solvent at its concentration in a reaction mixture of 80% by weight, using a stirring intensity of 500 rpm. A 5M solution of t-butyl hydroperoxide in decane is used. The raw materials are introduced into the autoclave in the following order: limonene, methanol, catalyst and finally the oxidant.

PL413146A 2015-07-17 2015-07-17 Method for epoxidation of limonene PL228408B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL413146A PL228408B1 (en) 2015-07-17 2015-07-17 Method for epoxidation of limonene

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PL413146A PL228408B1 (en) 2015-07-17 2015-07-17 Method for epoxidation of limonene

Publications (2)

Publication Number Publication Date
PL413146A1 true PL413146A1 (en) 2017-01-30
PL228408B1 PL228408B1 (en) 2018-03-30

Family

ID=57867705

Family Applications (1)

Application Number Title Priority Date Filing Date
PL413146A PL228408B1 (en) 2015-07-17 2015-07-17 Method for epoxidation of limonene

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PL (1) PL228408B1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
PL422186A1 (en) * 2017-07-11 2019-01-14 Zachodniopomorski Uniwersytet Technologiczny W Szczecinie Method for oxidation of limonene to 1,2-epoxylimonene

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
PL422186A1 (en) * 2017-07-11 2019-01-14 Zachodniopomorski Uniwersytet Technologiczny W Szczecinie Method for oxidation of limonene to 1,2-epoxylimonene

Also Published As

Publication number Publication date
PL228408B1 (en) 2018-03-30

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