FR2143944A1 - - Google Patents
Info
- Publication number
- FR2143944A1 FR2143944A1 FR7223817A FR7223817A FR2143944A1 FR 2143944 A1 FR2143944 A1 FR 2143944A1 FR 7223817 A FR7223817 A FR 7223817A FR 7223817 A FR7223817 A FR 7223817A FR 2143944 A1 FR2143944 A1 FR 2143944A1
- Authority
- FR
- France
- Legal status (The legal status 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 status listed.)
- Granted
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
- C08G69/02—Polyamides derived from amino-carboxylic acids or from polyamines and polycarboxylic acids
- C08G69/04—Preparatory processes
- C08G69/06—Solid state polycondensation
-
- 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
- C08G69/26—Polyamides derived from amino-carboxylic acids or from polyamines and polycarboxylic acids derived from polyamines and polycarboxylic acids
- C08G69/28—Preparatory processes
-
- 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
- C08G69/26—Polyamides derived from amino-carboxylic acids or from polyamines and polycarboxylic acids derived from polyamines and polycarboxylic acids
- C08G69/28—Preparatory processes
- C08G69/30—Solid state polycondensation
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Polyamides (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US15890071A | 1971-07-01 | 1971-07-01 | |
| US00261212A US3821171A (en) | 1971-07-01 | 1972-06-09 | Continuous,solid-phase polymerization of polyamide granules |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2143944A1 true FR2143944A1 (enExample) | 1973-02-09 |
| FR2143944B1 FR2143944B1 (enExample) | 1978-09-08 |
Family
ID=26855486
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7223817A Expired FR2143944B1 (enExample) | 1971-07-01 | 1972-06-30 |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US3821171A (enExample) |
| CH (1) | CH570427A5 (enExample) |
| DE (1) | DE2232304A1 (enExample) |
| FR (1) | FR2143944B1 (enExample) |
| GB (1) | GB1401849A (enExample) |
| IT (1) | IT965068B (enExample) |
| NL (1) | NL7209242A (enExample) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2593510A1 (fr) * | 1985-07-31 | 1987-07-31 | Werner & Pfleiderer | Procede pour la preparation de polyhexamethyleneadipamide a viscosite elevee |
| NL1011637C2 (nl) * | 1999-03-22 | 2000-09-27 | Dsm Nv | Werkwijze voor de bereiding van polyamide perskorrels. |
Families Citing this family (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH649566A5 (en) * | 1975-05-23 | 1985-05-31 | Du Pont | Multiphase, thermoplastic composition and process for the preparation thereof |
| US4313870B1 (en) * | 1977-09-21 | 1996-06-18 | Sumitomo Chemical Co | Process for producing polycondensates |
| US4258178A (en) * | 1978-12-01 | 1981-03-24 | Basf Aktiengesellschaft | Discharging granular linear polycondensates |
| DE3213025C2 (de) * | 1982-04-02 | 1997-06-12 | Fischer Karl Ind Gmbh | Verfahren zur Nachkondensation von Polykondensaten |
| DE3407492A1 (de) * | 1984-03-01 | 1985-09-05 | Bayer Ag, 5090 Leverkusen | Verfahren zur herstellung von copolyamiden aus adipinsaeure, terephthalsaeure und hexamethylendiamin |
| DE3506656A1 (de) * | 1985-02-26 | 1986-08-28 | Bayer Ag, 5090 Leverkusen | Verfahren zur herstellung von copolyamiden aus aromatischen dicarbonsaeuren, adipinsaeure und hexamethylendiamin |
| US5342886A (en) * | 1988-03-24 | 1994-08-30 | Atochem | α-monoolefinic graft copolymers |
| US5461141A (en) * | 1993-10-29 | 1995-10-24 | Dsm N.V. | Solid phase polymerization of nylon |
| DE19510698C3 (de) * | 1995-03-14 | 2003-02-27 | Inventa Fischer Gmbh | Verfahren zur Herstellung von Polyamiden |
| EP0735098B1 (en) * | 1995-03-31 | 2002-07-03 | Ube Industries, Ltd. | Use of polyamide resin compositions as injection welding material |
| IT1286041B1 (it) * | 1996-10-25 | 1998-07-07 | Sinco Eng Spa | Procedimento per la policondensazione allo stato solido di resine poliammidiche |
| US5955569A (en) * | 1996-11-27 | 1999-09-21 | E.I. Du Pont De Nemours And Company | Method for solid phase polymerization |
| US6235390B1 (en) | 1998-11-03 | 2001-05-22 | E. I. Du Pont De Nemours And Company | High RV filaments, and apparatus and processes for making high RV flake and the filaments |
| US6316518B1 (en) | 1999-02-05 | 2001-11-13 | Advanced Polymer Technology, Inc. | Methods of treating polymeric materials, methods of forming nylon, and apparatuses |
| EP1331236A1 (en) * | 2002-01-25 | 2003-07-30 | Dsm N.V. | Solid-state post-condensation process for increasing the molecular weight of a polyamide |
| DE102007040683A1 (de) | 2007-08-29 | 2009-03-05 | Evonik Degussa Gmbh | Umhüllte Rohrleitung |
| DE102008044224A1 (de) | 2008-12-01 | 2010-06-02 | Evonik Degussa Gmbh | Verwendung einer Zusammensetzung für den Kontakt mit überkritischen Medien |
| DE102009001001A1 (de) | 2009-02-19 | 2010-09-02 | Evonik Degussa Gmbh | Verwendung eines Leitungsrohrs zur Herstellung einer im Wasser verlegten Rohrleitung |
| DE102011007104A1 (de) | 2011-04-11 | 2012-10-11 | Evonik Degussa Gmbh | Mit Polyamid umhüllte Stahlkonstruktionsrohre für Offshore-Bauwerke |
| CN114775096A (zh) * | 2022-03-24 | 2022-07-22 | 浙江嘉华特种尼龙有限公司 | 一种采用固相缩聚直纺技术生产再生锦纶6纤维的方法 |
| CN115947937B (zh) * | 2022-12-27 | 2024-10-01 | 无锡殷达尼龙有限公司 | 一种间歇法生产高粘度长碳链尼龙的方法 |
-
1972
- 1972-06-09 US US00261212A patent/US3821171A/en not_active Expired - Lifetime
- 1972-06-30 NL NL7209242A patent/NL7209242A/xx unknown
- 1972-06-30 GB GB3084072A patent/GB1401849A/en not_active Expired
- 1972-06-30 DE DE2232304A patent/DE2232304A1/de active Pending
- 1972-06-30 FR FR7223817A patent/FR2143944B1/fr not_active Expired
- 1972-07-01 IT IT26519/72A patent/IT965068B/it active
- 1972-07-03 CH CH993772A patent/CH570427A5/xx not_active IP Right Cessation
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2593510A1 (fr) * | 1985-07-31 | 1987-07-31 | Werner & Pfleiderer | Procede pour la preparation de polyhexamethyleneadipamide a viscosite elevee |
| NL1011637C2 (nl) * | 1999-03-22 | 2000-09-27 | Dsm Nv | Werkwijze voor de bereiding van polyamide perskorrels. |
| WO2000056803A1 (en) * | 1999-03-22 | 2000-09-28 | Dsm N.V. | Process for the preparation of polyamide granules |
| US6562940B2 (en) | 1999-03-22 | 2003-05-13 | Dsm N.V. | Process for the preparation of polyamide granules |
Also Published As
| Publication number | Publication date |
|---|---|
| NL7209242A (enExample) | 1973-01-03 |
| GB1401849A (en) | 1975-07-30 |
| DE2232304A1 (de) | 1973-01-18 |
| FR2143944B1 (enExample) | 1978-09-08 |
| IT965068B (it) | 1974-01-31 |
| US3821171A (en) | 1974-06-28 |
| CH570427A5 (enExample) | 1975-12-15 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| TP | Transmission of property | ||
| ST | Notification of lapse |