SU455743A1 - Catalyst for the alkylation of phenol with alcohols - Google Patents
Catalyst for the alkylation of phenol with alcoholsInfo
- Publication number
- SU455743A1 SU455743A1 SU1880865A SU1880865A SU455743A1 SU 455743 A1 SU455743 A1 SU 455743A1 SU 1880865 A SU1880865 A SU 1880865A SU 1880865 A SU1880865 A SU 1880865A SU 455743 A1 SU455743 A1 SU 455743A1
- Authority
- SU
- USSR - Soviet Union
- Prior art keywords
- catalyst
- phenol
- alkylation
- alcohols
- aluminum
- Prior art date
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- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Catalysts (AREA)
Description
1one
Изобретение относитс к производству катализаторов дл алкилировани .The invention relates to the manufacture of catalysts for alkylation.
Известный катализатор дл алкилировани фенола спиртами на основе природного алюмосиликата (гумбрин) недостаточно активен и селективен.The known catalyst for the alkylation of phenol with alcohols based on natural aluminosilicate (Gumbrin) is not sufficiently active and selective.
С целью повышени активности и селективности катализатора в его состав ввод т 0,5- 2,6%, преимущественно 1,2-1,8%, алюмини .In order to increase the activity and selectivity of the catalyst, 0.5-2.6%, mainly 1.2-1.8%, of aluminum is introduced into its composition.
Дл введени алюмини в состав катализатора провод т ионообменную реакцию между гумбрином и солью алюмини , например его хлоридом.To introduce aluminum into the catalyst, an ion exchange reaction is carried out between Humbrin and an aluminum salt, for example, its chloride.
Пример. 600 мл 0,15 н. раствора хлорида алюмини добавл ют к 100 г порошкообразного гумбрина, перемешивают 1 час, фильтруют и промывают на воронке Бюхнера до отрицательной реакции на ион хлора в промывных водах. Процесс ионного обмена повтор ют 3-5 раза. После сушки осадка при 110-120°С получают катализатор, содержащий 98,2- 98,8% гумбрина и 1,2-1,8% алюмини , который можно примен ть в виде порошка или таблеток. Дл приготовлени таблеток порошок (40-45%) смешивают с водой и таблетируют . Размер таблеток 3X4 мм, коэффициент 5 механической прочности 1,7-1,8 кг/мм.Example. 600 ml 0.15 n. A solution of aluminum chloride is added to 100 g of powdered gumbrin, stirred for 1 hour, filtered and washed on a Büchner funnel until a negative reaction to the chlorine ion in the wash water. The ion exchange process is repeated 3-5 times. After drying the precipitate at 110-120 ° C, a catalyst is obtained containing 98.2-98.8% gumbrin and 1.2-1.8% aluminum, which can be used in the form of a powder or tablets. To prepare tablets, powder (40-45%) is mixed with water and tableted. The size of the tablets is 3X4 mm, the coefficient of 5 mechanical strength is 1.7-1.8 kg / mm.
К 8 г порошкообразного катализатора и 16 г фенола добавл ют 14 г пропилового спирта (мол рное отношение фенол : спирт 1 : 1) и провод т реакцию в жидкой фазе при 0 180-200°С и перемешивании. Выход 83,5% (на исходные вещества). Катализат содержит 6,8% фенилпропилового эфира, 48,2% алкилфенолов и 45% фенола. Селективность 87%.14 g of propyl alcohol (phenol: alcohol molar ratio 1: 1) is added to 8 g of powdered catalyst and 16 g of phenol and the reaction is carried out in the liquid phase at 0 180–200 ° C and stirring. Output 83.5% (on the original substance). The catalyst contains 6.8% phenylpropyl ether, 48.2% alkylphenols and 45% phenol. Selectivity of 87%.
5Предмет изобретени 5 of the invention
Катализатор дл алкилировани фенола спиртами на основе алюмосиликата, отличающийс тем. что, с целью повышени активности и селективности, в его состав ввод т 0,5-2,6%, предпочтительно 1,2-1,8%, алюмини .A catalyst for the alkylation of phenol with aluminosilicate based alcohols characterized in that. that, in order to increase the activity and selectivity, 0.5-2.6%, preferably 1.2-1.8%, of aluminum is introduced into its composition.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SU1880865A SU455743A1 (en) | 1973-02-08 | 1973-02-08 | Catalyst for the alkylation of phenol with alcohols |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SU1880865A SU455743A1 (en) | 1973-02-08 | 1973-02-08 | Catalyst for the alkylation of phenol with alcohols |
Publications (1)
Publication Number | Publication Date |
---|---|
SU455743A1 true SU455743A1 (en) | 1975-01-05 |
Family
ID=20541851
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SU1880865A SU455743A1 (en) | 1973-02-08 | 1973-02-08 | Catalyst for the alkylation of phenol with alcohols |
Country Status (1)
Country | Link |
---|---|
SU (1) | SU455743A1 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4532368A (en) * | 1984-02-01 | 1985-07-30 | Ethyl Corporation | Process for making meta- and para-alkylphenols |
-
1973
- 1973-02-08 SU SU1880865A patent/SU455743A1/en active
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4532368A (en) * | 1984-02-01 | 1985-07-30 | Ethyl Corporation | Process for making meta- and para-alkylphenols |
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