RU97114807A - METHOD FOR PRODUCING LACTAM - Google Patents

METHOD FOR PRODUCING LACTAM

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Publication number
RU97114807A
RU97114807A RU97114807/04A RU97114807A RU97114807A RU 97114807 A RU97114807 A RU 97114807A RU 97114807/04 A RU97114807/04 A RU 97114807/04A RU 97114807 A RU97114807 A RU 97114807A RU 97114807 A RU97114807 A RU 97114807A
Authority
RU
Russia
Prior art keywords
equal
alumina
specific surface
surface area
pore volume
Prior art date
Application number
RU97114807/04A
Other languages
Russian (ru)
Other versions
RU2151765C1 (en
Inventor
Коттинг Мари-Кристин
Жильбер Лоран
Лорэн Натали
Недез Кристоф
Original Assignee
Рон-Пуленк Фибер э Резэн Энтермедиат
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
Priority claimed from FR9501183A external-priority patent/FR2729949A1/en
Application filed by Рон-Пуленк Фибер э Резэн Энтермедиат filed Critical Рон-Пуленк Фибер э Резэн Энтермедиат
Publication of RU97114807A publication Critical patent/RU97114807A/en
Application granted granted Critical
Publication of RU2151765C1 publication Critical patent/RU2151765C1/en

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Claims (8)

1. Способ получения лактама путем взаимодействия в паровой фазе алифатического аминонитрила общей формулы
N≡C-R-NH2 (I)
в которой К означает алкиленовый радикал с 3-12 атома углерода,
с водой в присутствии твердого катализатора, отличающийся тем, что катализатором является оксид алюминия с удельной поверхностью, измеряемой методом ВЕТ, выше или равной 10 м2/г, при этом оксид выбирают из: а) оксидов алюминия с удельной поверхностью менее или равной 280 м2/г и с объемом пор, имеющих диаметр более
Figure 00000001
выше или равным 10 мл/100 г; б) оксидов алюминия с удельной поверхностью более или равной 50 м2/г и менее или равной 280 м2 /г, а также с объемом пор, имеющих диаметр более
Figure 00000002
выше или равным 30 мл/100 г.1. The method of producing lactam by interaction in the vapor phase of aliphatic aminonitrile of the General formula
N≡CR-NH 2 (I)
in which K means alkylene radical with 3-12 carbon atoms,
with water in the presence of a solid catalyst, characterized in that the catalyst is alumina with a specific surface area measured by the BET method greater than or equal to 10 m 2 / g, the oxide being selected from: a) aluminum oxides with a specific surface area of less than or equal to 280 m 2 / g and with a pore volume having a diameter greater than
Figure 00000001
greater than or equal to 10 ml / 100 g; b) aluminum oxides with a specific surface greater than or equal to 50 m 2 / g and less than or equal to 280 m 2 / g, as well as with a pore volume having a diameter greater than
Figure 00000002
greater than or equal to 30 ml / 100 g. 2. Способ по п. 1, отличающийся тем, что оксид алюминия выбирают из оксидов алюминия а) с объемом пор, имеющих диаметр более
Figure 00000003
выше или равным 20 мл/100 г, предпочтительно более или равным 30 мл/100 г.2. The method according to p. 1, characterized in that the aluminum oxide is selected from aluminum oxides a) with a pore volume having a diameter greater than
Figure 00000003
greater than or equal to 20 ml / 100 g, preferably greater than or equal to 30 ml / 100 g 3. Способ по п. 1 или 2, отличающийся тем, что оксид алюминия выбирают из оксидов алюминия а) с удельной поверхностью, выше или равной 50 м2 /г.3. The method according to p. 1 or 2, characterized in that the alumina is selected from aluminas a) with a specific surface area greater than or equal to 50 m 2 / g. 4. Способ по п. 1, отличающийся тем, что оксид алюминия выбирают из оксидов алюминия б) имеющих объем пор диаметром свыше
Figure 00000004
выше или равным 45 мл/100 г.4. The method according to p. 1, characterized in that the alumina is selected from aluminum oxides b) having a pore volume of diameter greater than
Figure 00000004
above or equal to 45 ml / 100 g. 5. Способ по пп. 1-4, отличающийся тем, что оксид алюминия выбирают из оксидов алюминия б) с удельной поверхностью, выше или равной 80 м2 /г.5. The method according to PP. 1-4, characterized in that the alumina is selected from alumina b) with a specific surface area greater than or equal to 80 m 2 / year 6. Способ по пп. 1-5, отличающийся тем, что аминонитрилом формулы (1) является 6-аминокапронитрил. 6. The method according to PP. 1-5, characterized in that the aminonitrile of the formula (1) is 6-aminocapronitrile. 7. Способ по пп. 1-6, отличающийся тем, что молярное соотношение между вводимыми водой и аминонитрилом составляет 0,5 - 50, предпочтительно 1 - 20. 7. The method according to PP. 1-6, characterized in that the molar ratio between the input of water and aminonitrile is 0.5 to 50, preferably 1 to 20. 8. Способ по пп. 1-7, отличающийся тем, что температура, при которой осуществляют способ, составляет 200 - 450oС, предпочтительно 250 - 400oС.8. The method according to PP. 1-7, characterized in that the temperature at which the method is carried out is 200 - 450 o C. , preferably 250 - 400 o C.
RU97114807/04A 1995-01-27 1996-01-22 Method of preparing lactam RU2151765C1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9501183 1995-01-27
FR9501183A FR2729949A1 (en) 1995-01-27 1995-01-27 LACTAM PREPARATION PROCESS

Publications (2)

Publication Number Publication Date
RU97114807A true RU97114807A (en) 1999-07-10
RU2151765C1 RU2151765C1 (en) 2000-06-27

Family

ID=9475751

Family Applications (1)

Application Number Title Priority Date Filing Date
RU97114807/04A RU2151765C1 (en) 1995-01-27 1996-01-22 Method of preparing lactam

Country Status (14)

Country Link
US (1) US6262259B1 (en)
EP (1) EP0805801B1 (en)
JP (1) JP3053114B2 (en)
KR (1) KR100369885B1 (en)
CN (1) CN1083832C (en)
AR (1) AR000777A1 (en)
BR (1) BR9606939A (en)
CA (1) CA2211015C (en)
DE (1) DE69615660T2 (en)
FR (1) FR2729949A1 (en)
MY (1) MY132442A (en)
RU (1) RU2151765C1 (en)
TW (1) TW396154B (en)
WO (1) WO1996022974A1 (en)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2755132B1 (en) * 1996-10-24 1998-11-27 Rhone Poulenc Fibres LACTAM TREATMENT PROCESS
DE19718706A1 (en) * 1997-05-02 1998-11-05 Basf Ag Process for the preparation of cyclic lactams
DE19738463C2 (en) 1997-09-03 1999-09-23 Basf Ag Process for the production of caprolactam
DE19753301A1 (en) 1997-12-01 1999-06-02 Basf Ag Process for the preparation of lactams
DE19811880A1 (en) 1998-03-18 1999-09-23 Basf Ag Preparation of lactam by gas phase cyclizing hydrolysis of aminonitrile, useful e.g. as solvent and in polyamide production
FR2780401B1 (en) * 1998-06-25 2001-02-09 Rhone Poulenc Fibres AMINONITRILE VAPORIZATION PROCESS
FR2781393B1 (en) 1998-07-22 2000-08-25 Rhone Poulenc Fibres PROCESS FOR REGENERATION OF A CYCLISTING HYDROLYSIS CATALYST OF A LACTAM AMINONITRILE AND USE OF THE REGENERATED CATALYST FOR THE MANUFACTURE OF LACTAMS
FR2781480B1 (en) 1998-07-22 2001-06-01 Rhone Poulenc Fibres PROCESS FOR THE CYCLISTING HYDROLYSIS OF AN AMINONITRIAL LACTAM COMPOUND
FR2781796B1 (en) * 1998-07-28 2000-09-22 Rhone Poulenc Fibres LACTAM DEHYDRATION PROCESS
DE19842905A1 (en) * 1998-09-18 2000-03-23 Basf Ag Simultaneous preparation of lactam and cyclic amine, useful e.g. as intermediates for plastics, pharmaceuticals or agrochemicals, by reacting diamine, aminonitrile and water over heterogeneous catalyst.
FR2786180B1 (en) 1998-11-19 2001-11-23 Rhone Poulenc Fibres LACTAM TREATMENT METHOD AND LACTAM PURIFICATION METHOD
DE10021193A1 (en) * 2000-05-03 2001-11-08 Basf Ag Process for the preparation of cyclic lactams
US6686465B2 (en) 2000-05-03 2004-02-03 Basf Aktiengesellschaft Preparation of cyclic lactams
DE10021192A1 (en) 2000-05-03 2001-11-08 Basf Ag Process for the production of caprolactam
DE10021201A1 (en) * 2000-05-03 2001-11-08 Basf Ag Process for the preparation of cyclic lactams
US6716977B1 (en) * 2003-06-17 2004-04-06 E. I. Du Pont De Nemours And Company Method for making caprolactam from impure ACN wherein ammonia and water are removed from crude caprolactam in a simple separation step and then THA is removed from the resulting caprolactam melt
FR2915997B1 (en) 2007-05-07 2009-07-03 Rhodia Recherches & Tech ANTI-GRAFFITI TREATMENT.
FR2944791B1 (en) 2009-04-27 2012-02-10 Rhodia Operations PROCESS FOR THE PREPARATION OF LACTAMES
EP3411352A4 (en) * 2016-02-04 2019-09-04 Rhodia Operations Macroporous catalyst for the preparation of aliphatic amines

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2357484A (en) * 1941-09-12 1944-09-05 Du Pont Process for producing compounds containing an n-substituted amide group
FR1166597A (en) 1956-02-18 1958-11-13 Degussa Process for preparing lactams
AT201578B (en) * 1956-02-18 1959-01-10 Degussa Process for the production of lactams
JPS4821958B1 (en) * 1969-01-28 1973-07-02
FR2449474A1 (en) * 1979-02-26 1980-09-19 Rhone Poulenc Ind DOUBLE POROSITY ALUMINA BEADS, THEIR PREPARATION PROCESS AND THEIR APPLICATIONS AS CATALYST SUPPORTS
FR2527197B1 (en) 1982-05-19 1985-06-21 Rhone Poulenc Spec Chim PROCESS FOR THE MANUFACTURE OF ALUMINUM BEADS FORMED BY COAGULATION IN DROPS
EP0150295A3 (en) * 1983-12-19 1988-03-30 Allied Corporation Selective production of n-substituted amides by use of cu(o)/metallic oxides catalyst compositions
DE3403574A1 (en) * 1984-02-02 1985-08-08 Basf Ag, 6700 Ludwigshafen METHOD FOR OBTAINING CAPROLACTAM FROM (EPSILON) -AMINOCAPRONIC ACID
US4625023A (en) 1985-09-03 1986-11-25 Allied Corporation Selective conversion of aliphatic and aromatic aminonitriles and/or dinitriles into lactams
US4628085A (en) * 1985-09-03 1986-12-09 Allied Corporation Use of silica catalyst for selective production of lactams
DE4319134A1 (en) * 1993-06-09 1994-12-15 Basf Ag Process for the preparation of caprolactam
DE4339648A1 (en) * 1993-11-20 1995-05-24 Basf Ag Process for the production of caprolactam
FR2714379B1 (en) * 1993-12-23 1996-02-02 Rhone Poulenc Chimie Process for preparing lactam.

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