NL6605686A - - Google Patents
Info
- Publication number
- NL6605686A NL6605686A NL6605686A NL6605686A NL6605686A NL 6605686 A NL6605686 A NL 6605686A NL 6605686 A NL6605686 A NL 6605686A NL 6605686 A NL6605686 A NL 6605686A NL 6605686 A NL6605686 A NL 6605686A
- Authority
- NL
- Netherlands
Links
Classifications
-
- 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
- C08G69/46—Post-polymerisation treatment
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D11/00—Solvent extraction
- B01D11/02—Solvent extraction of solids
- B01D11/0207—Control systems
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D11/00—Solvent extraction
- B01D11/02—Solvent extraction of solids
- B01D11/0215—Solid material in other stationary receptacles
- B01D11/0223—Moving bed of solid material
- B01D11/0242—Moving bed of solid material in towers, e.g. comprising contacting elements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D11/00—Solvent extraction
- B01D2011/002—Counter-current extraction
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Polyamides (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US451886A US3373145A (en) | 1965-04-29 | 1965-04-29 | Washing of polymer particulates by regular periodic ebb and flow of aqueous solvent |
Publications (1)
Publication Number | Publication Date |
---|---|
NL6605686A true NL6605686A (hu) | 1966-10-31 |
Family
ID=23794099
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NL6605686A NL6605686A (hu) | 1965-04-29 | 1966-04-28 |
Country Status (3)
Country | Link |
---|---|
US (1) | US3373145A (hu) |
BE (1) | BE680252A (hu) |
NL (1) | NL6605686A (hu) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1911179C3 (de) * | 1969-03-05 | 1979-06-07 | Bayer Ag, 5090 Leverkusen | Verfahren zum Reinigen von Polymerlosungen |
DE2404510C3 (de) * | 1974-01-31 | 1985-02-21 | Basf Ag, 6700 Ludwigshafen | Extraktionsrohr für Polyamide |
US3917561A (en) * | 1974-03-29 | 1975-11-04 | Monsanto Co | Process for preparing melt-stable poly(dodecamethyleneterephthalamide |
DE2622463C3 (de) * | 1976-05-20 | 1985-06-05 | Basf Ag, 6700 Ludwigshafen | Verfahren zur Reinigung von crotonsäurehaltigen Copolymerisaten |
US4145521A (en) * | 1977-05-23 | 1979-03-20 | Inventa Ag Fur Forschung Und Patentverwertung, Zurich | Method of discharging and metering solids in liquids |
US4311642A (en) * | 1980-09-17 | 1982-01-19 | Allied Corporation | Recovery of caprolactam from nylon 6 oligomers |
DE3126835A1 (de) * | 1981-07-08 | 1983-01-27 | Basf Ag, 6700 Ludwigshafen | Verfahren zum entfernen von caprolactam und dessen oligomeren aus solches enthaltendem kuehlwasser |
AU9690398A (en) * | 1997-10-17 | 1999-05-10 | Advanced Polymer Technologies, Llc. | Process for purifying polymers using ultrasonic extraction |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3015651A (en) * | 1956-09-28 | 1962-01-02 | Du Pont | Increasing viscosity of polycaprolactam by removing extractables with solvents and further solid phase polymerizing the polymer |
FR1188817A (fr) * | 1957-03-20 | 1959-09-25 | Bayer Ag | Procédé pour améliorer les polyamides par traitement de tournures de polyamide avec de l'eau contenant de l'hydrazine |
US3047565A (en) * | 1958-11-20 | 1962-07-31 | Inventa Ag | Process for extraction of monomeric caprolactam from its polymer |
NL125467C (hu) * | 1960-08-24 | |||
US3245964A (en) * | 1962-11-13 | 1966-04-12 | Allied Chem | Continuous extraction of poly-e-caproamide |
-
1965
- 1965-04-29 US US451886A patent/US3373145A/en not_active Expired - Lifetime
-
1966
- 1966-04-28 NL NL6605686A patent/NL6605686A/xx unknown
- 1966-04-28 BE BE680252D patent/BE680252A/xx unknown
Also Published As
Publication number | Publication date |
---|---|
US3373145A (en) | 1968-03-12 |
BE680252A (hu) | 1966-10-03 |