NL146156B - PROCESS FOR PREPARING SOLUTIONS OF PURE N-ALKALINE METALACTAM FOR POLYMERIZATION PURPOSES. - Google Patents
PROCESS FOR PREPARING SOLUTIONS OF PURE N-ALKALINE METALACTAM FOR POLYMERIZATION PURPOSES.Info
- Publication number
- NL146156B NL146156B NL290558A NL290558A NL146156B NL 146156 B NL146156 B NL 146156B NL 290558 A NL290558 A NL 290558A NL 290558 A NL290558 A NL 290558A NL 146156 B NL146156 B NL 146156B
- Authority
- NL
- Netherlands
- Prior art keywords
- metalactam
- alkaline
- pure
- preparing solutions
- polymerization purposes
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D201/00—Preparation, separation, purification or stabilisation of unsubstituted lactams
- C07D201/14—Preparation of salts or adducts of lactams
-
- 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
- C08G69/18—Anionic polymerisation
-
- 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
- C08G69/18—Anionic polymerisation
- C08G69/20—Anionic polymerisation characterised by the catalysts used
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Polyamides (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DEB66762A DE1204821B (en) | 1962-04-11 | 1962-04-11 | Process for the production of storable solutions of alkali lactamates in lactams |
Publications (1)
Publication Number | Publication Date |
---|---|
NL146156B true NL146156B (en) | 1975-06-16 |
Family
ID=6975261
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NL290558D NL290558A (en) | 1962-04-11 | ||
NL290558A NL146156B (en) | 1962-04-11 | 1963-03-22 | PROCESS FOR PREPARING SOLUTIONS OF PURE N-ALKALINE METALACTAM FOR POLYMERIZATION PURPOSES. |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NL290558D NL290558A (en) | 1962-04-11 |
Country Status (7)
Country | Link |
---|---|
AT (1) | AT238152B (en) |
BE (1) | BE630860A (en) |
CH (1) | CH415641A (en) |
DE (1) | DE1204821B (en) |
DK (1) | DK108641C (en) |
GB (1) | GB1032294A (en) |
NL (2) | NL146156B (en) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2035733C3 (en) * | 1970-07-18 | 1982-03-25 | Bayer Ag, 5090 Leverkusen | Process for the anionic polymerization of lactams and catalyst solutions therefor |
DE102008000259A1 (en) | 2008-02-08 | 2009-08-13 | Rhein Chemie Rheinau Gmbh | Process for the preparation of lactamates by thin film evaporation |
CN110069031B (en) * | 2019-04-18 | 2023-12-19 | 湖北大学 | High-temperature sensitive pressure sensing control system and method |
WO2020221918A2 (en) | 2019-05-01 | 2020-11-05 | Novochem Green Additives 1 B.V. | Electrolyte |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE904948C (en) * | 1942-10-22 | 1954-02-25 | Bobingen Ag Fuer Textil Faser | Process for polymerizing lactams from ªÏ-aminocarboxylic acids |
DE1051497B (en) * | 1954-08-30 | 1959-02-26 | Filmfabrik Agfa Wolfen Veb | Process for the production of polyamides |
-
0
- BE BE630860D patent/BE630860A/xx unknown
- NL NL290558D patent/NL290558A/xx unknown
-
1962
- 1962-04-11 DE DEB66762A patent/DE1204821B/en active Pending
-
1963
- 1963-03-22 NL NL290558A patent/NL146156B/en unknown
- 1963-04-02 CH CH417063A patent/CH415641A/en unknown
- 1963-04-09 GB GB1406363A patent/GB1032294A/en not_active Expired
- 1963-04-10 DK DK170263A patent/DK108641C/en active
- 1963-04-11 AT AT299963A patent/AT238152B/en active
Also Published As
Publication number | Publication date |
---|---|
GB1032294A (en) | 1966-06-08 |
CH415641A (en) | 1966-06-30 |
BE630860A (en) | |
DK108641C (en) | 1968-01-15 |
DE1204821B (en) | 1965-11-11 |
NL290558A (en) | |
AT238152B (en) | 1965-01-25 |
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