CH375014A - Verfahren zur Gewinnung von Caprolactam - Google Patents

Verfahren zur Gewinnung von Caprolactam

Info

Publication number: CH375014A
Authority: CH; Switzerland
Prior art keywords: caprolactam; solution; aminocaproic acid; oligomers; water
Prior art date: 1958-11-13

Application number

CH6610058A

Other languages

German (de)

English (en)

Inventor

Clau Dr Berther

Original Assignee

Inventa Ag

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.)

1958-11-13

Filing date

1958-11-13

Publication date

1964-02-15

Priority to NL107224D priority Critical patent/NL107224C/xx

1958-11-13 Application filed by Inventa Ag filed Critical Inventa Ag

1958-11-13 Priority to CH6610058A priority patent/CH375014A/de

1959-10-05 Priority to ES0252469A priority patent/ES252469A1/es

1959-10-14 Priority to FR807485A priority patent/FR1239030A/fr

1959-10-30 Priority to BE584166A priority patent/BE584166A/fr

1959-11-11 Priority to GB38271/59A priority patent/GB936101A/en

1964-02-15 Publication of CH375014A publication Critical patent/CH375014A/de

Links

JBKVHLHDHHXQEQ-UHFFFAOYSA-N epsilon-caprolactam Chemical compound O=C1CCCCCN1 JBKVHLHDHHXQEQ-UHFFFAOYSA-N 0.000 title claims description 43
238000000034 method Methods 0.000 title claims description 7
238000004519 manufacturing process Methods 0.000 title claims description 4
XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 26
SLXKOJJOQWFEFD-UHFFFAOYSA-N 6-aminohexanoic acid Chemical compound NCCCCCC(O)=O SLXKOJJOQWFEFD-UHFFFAOYSA-N 0.000 claims description 14
229960002684 aminocaproic acid Drugs 0.000 claims description 13
QGZKDVFQNNGYKY-UHFFFAOYSA-N ammonia Natural products N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims description 11
150000002500 ions Chemical class 0.000 claims description 8
238000005406 washing Methods 0.000 claims description 7
238000000605 extraction Methods 0.000 claims description 6
239000002904 solvent Substances 0.000 claims description 5
VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 claims description 2
239000003125 aqueous solvent Substances 0.000 claims description 2
150000008280 chlorinated hydrocarbons Chemical class 0.000 claims 1
230000007062 hydrolysis Effects 0.000 claims 1
238000006460 hydrolysis reaction Methods 0.000 claims 1
239000007788 liquid Substances 0.000 claims 1
239000000243 solution Substances 0.000 description 19
150000003951 lactams Chemical class 0.000 description 12
229920000642 polymer Polymers 0.000 description 10
HEDRZPFGACZZDS-UHFFFAOYSA-N Chloroform Chemical compound ClC(Cl)Cl HEDRZPFGACZZDS-UHFFFAOYSA-N 0.000 description 6
QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 6
239000011347 resin Substances 0.000 description 6
229920005989 resin Polymers 0.000 description 6
239000002699 waste material Substances 0.000 description 6
229910021529 ammonia Inorganic materials 0.000 description 5
229920002292 Nylon 6 Polymers 0.000 description 4
239000002253 acid Substances 0.000 description 3
238000006243 chemical reaction Methods 0.000 description 3
239000012535 impurity Substances 0.000 description 3
238000002156 mixing Methods 0.000 description 3
BFNBIHQBYMNNAN-UHFFFAOYSA-N ammonium sulfate Chemical compound N.N.OS(O)(=O)=O BFNBIHQBYMNNAN-UHFFFAOYSA-N 0.000 description 2
229910052921 ammonium sulfate Inorganic materials 0.000 description 2
235000011130 ammonium sulphate Nutrition 0.000 description 2
238000001704 evaporation Methods 0.000 description 2
230000008020 evaporation Effects 0.000 description 2
239000000835 fiber Substances 0.000 description 2
239000000203 mixture Substances 0.000 description 2
NLXLAEXVIDQMFP-UHFFFAOYSA-N Ammonium chloride Substances [NH4+].[Cl-] NLXLAEXVIDQMFP-UHFFFAOYSA-N 0.000 description 1
239000004952 Polyamide Substances 0.000 description 1
150000007513 acids Chemical class 0.000 description 1
150000001413 amino acids Chemical class 0.000 description 1
235000011114 ammonium hydroxide Nutrition 0.000 description 1
239000007864 aqueous solution Substances 0.000 description 1
238000004364 calculation method Methods 0.000 description 1
238000005516 engineering process Methods 0.000 description 1
238000001914 filtration Methods 0.000 description 1
238000011010 flushing procedure Methods 0.000 description 1
239000008187 granular material Substances 0.000 description 1
238000002844 melting Methods 0.000 description 1
230000008018 melting Effects 0.000 description 1
239000012452 mother liquor Substances 0.000 description 1
229920002647 polyamide Polymers 0.000 description 1
238000006116 polymerization reaction Methods 0.000 description 1
230000035484 reaction time Effects 0.000 description 1
239000008237 rinsing water Substances 0.000 description 1
238000000926 separation method Methods 0.000 description 1
210000004243 sweat Anatomy 0.000 description 1
239000004753 textile Substances 0.000 description 1

Classifications

- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J39/00—Cation exchange; Use of material as cation exchangers; Treatment of material for improving the cation exchange properties
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G69/00—Macromolecular compounds obtained by reactions forming a carboxylic amide link in the main chain of the macromolecule
- C08G69/02—Polyamides derived from amino-carboxylic acids or from polyamines and polycarboxylic acids
- C08G69/08—Polyamides derived from amino-carboxylic acids or from polyamines and polycarboxylic acids derived from amino-carboxylic acids
- C08G69/14—Lactams
- C08G69/16—Preparatory processes

Landscapes

Chemical & Material Sciences (AREA)
Chemical Kinetics & Catalysis (AREA)
Organic Chemistry (AREA)
Health & Medical Sciences (AREA)
Medicinal Chemistry (AREA)
Polymers & Plastics (AREA)
Polyamides (AREA)

CH6610058A 1958-11-13 1958-11-13 Verfahren zur Gewinnung von Caprolactam CH375014A (de)

Priority Applications (6)

Application Number	Priority Date	Filing Date	Title
NL107224D NL107224C (fr)	1958-11-13
CH6610058A CH375014A (de)	1958-11-13	1958-11-13	Verfahren zur Gewinnung von Caprolactam
ES0252469A ES252469A1 (es)	1958-11-13	1959-10-05	Un procedimiento para la obtenciën de lactama
FR807485A FR1239030A (fr)	1958-11-13	1959-10-14	Procédé de préparation du caprolactame
BE584166A BE584166A (fr)	1958-11-13	1959-10-30	Procédé de préparation du caprolactame
GB38271/59A GB936101A (en)	1958-11-13	1959-11-11	Improvements in or relating to caprolactam

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
CH6610058A CH375014A (de)	1958-11-13	1958-11-13	Verfahren zur Gewinnung von Caprolactam

Publications (1)

Publication Number	Publication Date
CH375014A true CH375014A (de)	1964-02-15

Family

ID=4526890

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CH6610058A CH375014A (de)	1958-11-13	1958-11-13	Verfahren zur Gewinnung von Caprolactam

Country Status (4)

Country	Link
BE (1)	BE584166A (fr)
CH (1)	CH375014A (fr)
ES (1)	ES252469A1 (fr)
NL (1)	NL107224C (fr)

0
- NL NL107224D patent/NL107224C/xx active
1958
- 1958-11-13 CH CH6610058A patent/CH375014A/de unknown
1959
- 1959-10-05 ES ES0252469A patent/ES252469A1/es not_active Expired
- 1959-10-30 BE BE584166A patent/BE584166A/fr unknown

Also Published As

Publication number	Publication date
BE584166A (fr)	1960-02-15
ES252469A1 (es)	1960-02-01
NL107224C (fr)

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