IT998426B - Processo per l estrazione di polilattami - Google Patents

Processo per l estrazione di polilattami

Info

Publication number: IT998426B
Authority: IT; Italy
Prior art keywords: polylactames; extraction
Prior art date: 1972-08-30

Application number

IT28055/73A

Other languages

English (en)

Original Assignee

Basf 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.)

1972-08-30

Filing date

1973-08-21

Publication date

1976-01-20

1973-08-21 Application filed by Basf Ag filed Critical Basf Ag

1976-01-20 Application granted granted Critical

1976-01-20 Publication of IT998426B publication Critical patent/IT998426B/it

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

Landscapes

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

IT28055/73A 1972-08-30 1973-08-21 Processo per l estrazione di polilattami IT998426B (it)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
DE2242641A DE2242641C3 (de)	1972-08-30	1972-08-30	Verfahren zum kontinuierlichen Extrahieren von Polylactamen

Publications (1)

Publication Number	Publication Date
IT998426B true IT998426B (it)	1976-01-20

Family

ID=5855008

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
IT28055/73A IT998426B (it)	1972-08-30	1973-08-21	Processo per l estrazione di polilattami

Country Status (16)

Country	Link
US (1)	US4051113A (it)
JP (1)	JPS5026595B2 (it)
AR (1)	AR198003A1 (it)
BE (1)	BE804236A (it)
CA (1)	CA1011897A (it)
DD (1)	DD105815A5 (it)
DE (1)	DE2242641C3 (it)
DK (1)	DK135725C (it)
FR (1)	FR2197922B1 (it)
GB (1)	GB1440946A (it)
IE (1)	IE38137B1 (it)
IT (1)	IT998426B (it)
LU (1)	LU68321A1 (it)
NL (1)	NL176466C (it)
PL (1)	PL92485B1 (it)
SU (1)	SU516356A3 (it)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE2622463C3 (de) *	1976-05-20	1985-06-05	Basf Ag, 6700 Ludwigshafen	Verfahren zur Reinigung von crotonsäurehaltigen Copolymerisaten
DE3026538A1 (de) *	1980-07-12	1982-02-11	Basf Ag, 6700 Ludwigshafen	Verfahren zur kontinuierlichen extraktion von caprolactam als solches und dessen oligomere enthaltenden waessrigen loesungen
US4360662A (en) *	1980-11-19	1982-11-23	Celanese Corporation	Continuous countercurrent extraction process for removing water-soluble impurities from water immiscible polymer solutions
US4764588A (en) *	1987-03-09	1988-08-16	Gaf Corporation	Insoluble vinyl lactam clarifiers
US5496918A (en) *	1991-09-23	1996-03-05	Alliedsignal Inc.	Process for improving the properties of polymers
DE19607723C2 (de) *	1996-02-29	2002-10-24	Polymer Eng Gmbh	Verfahren und Vorrichtung zur kontinuierlichen Extraktion von polymeren Granulaten
DE19752182A1 (de) *	1997-11-25	1999-05-27	Basf Ag	Verfahren zur kontinuierlichen Extraktion von Polyamid
FR2846333B1 (fr) *	2002-10-23	2004-12-03	Atofina	Augmentation du point de fusion et de l'enthalpie de fusion des polyamides par un traitement a l'eau
US7468405B2 (en) *	2002-10-23	2008-12-23	Atofina	Increase in the melting point and the enthalpy of melting of polyamides by a water treatment
DE102015201969A1 (de) *	2015-02-04	2016-08-04	Thyssenkrupp Ag	Verfahren und Vorrichtung zur Herstellung von Polyamiden mit optimierter Strömungsführung

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3245964A (en) *	1962-11-13	1966-04-12	Allied Chem	Continuous extraction of poly-e-caproamide
US3374207A (en) *	1964-11-12	1968-03-19	Inventa Ag	Continuous process for the extraction of monomers and oligomers from highly polymerized caprolactam granules
DE1770097B2 (de) *	1968-03-30	1974-04-18	Basf Ag, 6700 Ludwigshafen	Verfahren zum kontinuierlichen Extrahieren von körnigen Polyamiden
US3598537A (en) *	1968-06-05	1971-08-10	Metallgesellschaft Ag	Continuous liquid extraction of solubles from solids

1972
- 1972-08-30 DE DE2242641A patent/DE2242641C3/de not_active Expired
1973
- 1973-08-20 AR AR249818A patent/AR198003A1/es active
- 1973-08-21 IT IT28055/73A patent/IT998426B/it active
- 1973-08-24 GB GB4016473A patent/GB1440946A/en not_active Expired
- 1973-08-28 US US05/392,243 patent/US4051113A/en not_active Expired - Lifetime
- 1973-08-28 NL NLAANVRAGE7311834,A patent/NL176466C/xx not_active IP Right Cessation
- 1973-08-28 PL PL1973164887A patent/PL92485B1/xx unknown
- 1973-08-28 CA CA179,823A patent/CA1011897A/en not_active Expired
- 1973-08-28 DD DD173160A patent/DD105815A5/xx unknown
- 1973-08-28 IE IE1505/73A patent/IE38137B1/xx unknown
- 1973-08-28 LU LU68321A patent/LU68321A1/xx unknown
- 1973-08-29 DK DK474073A patent/DK135725C/da active
- 1973-08-29 FR FR7331214A patent/FR2197922B1/fr not_active Expired
- 1973-08-29 SU SU1959000A patent/SU516356A3/ru active
- 1973-08-30 BE BE135127A patent/BE804236A/xx not_active IP Right Cessation
- 1973-08-30 JP JP48096758A patent/JPS5026595B2/ja not_active Expired

Also Published As

Publication number	Publication date
DK135725B (da)	1977-06-13
DK135725C (da)	1977-11-21
SU516356A3 (ru)	1976-05-30
DE2242641A1 (de)	1974-04-11
DD105815A5 (it)	1974-05-12
IE38137B1 (en)	1978-01-04
LU68321A1 (it)	1973-10-30
JPS5026595B2 (it)	1975-09-02
CA1011897A (en)	1977-06-07
NL7311834A (it)	1974-03-04
BE804236A (fr)	1974-02-28
IE38137L (en)	1974-02-28
US4051113A (en)	1977-09-27
NL176466C (nl)	1985-04-16
FR2197922B1 (it)	1977-02-25
FR2197922A1 (it)	1974-03-29
GB1440946A (en)	1976-06-30
PL92485B1 (it)	1977-04-30
NL176466B (nl)	1984-11-16
JPS4953994A (it)	1974-05-25
DE2242641C3 (de)	1980-06-19
AR198003A1 (es)	1974-05-24
DE2242641B2 (de)	1979-10-04

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