FR2357594A1 - Polymerisation a l'etat fondu de l'epsilon-caprolactame - Google Patents
Polymerisation a l'etat fondu de l'epsilon-caprolactameInfo
- Publication number
- FR2357594A1 FR2357594A1 FR7720650A FR7720650A FR2357594A1 FR 2357594 A1 FR2357594 A1 FR 2357594A1 FR 7720650 A FR7720650 A FR 7720650A FR 7720650 A FR7720650 A FR 7720650A FR 2357594 A1 FR2357594 A1 FR 2357594A1
- Authority
- FR
- France
- Prior art keywords
- polymerization
- caprolactam
- epsilon
- water
- molten state
- Prior art date
- 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
- C08G69/08—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)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Polyamides (AREA)
Abstract
Polymérisation à l'état fondu de l' epsilon -caprolactame en présence d'eau et d'une amine. Le procédé selon l'invention consiste à faire une polymérisation à l'état fondu de l' epsilon -caprolactame en présence d'eau et d'une amine bouillant à une température d'au moins 245 degrés C à une pression supérieure à la pression atmosphérique jusqu'à ce qu'une proportion majeure de la polymérisation se soit produite, après quoi le système est détendu et la polymérisation est poursuivie jusqu'à ce que la teneur en matières extractibles au méthanol soit réduite à moins de 5 % en poids. Le produit résultant a une stabilité à la chaleur améliorée et il est facilement utilisé pour fabriquer des fibres et des films.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US70281276A | 1976-07-06 | 1976-07-06 | |
US73548276A | 1976-10-26 | 1976-10-26 |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2357594A1 true FR2357594A1 (fr) | 1978-02-03 |
FR2357594B1 FR2357594B1 (fr) | 1979-03-23 |
Family
ID=27107026
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7720650A Granted FR2357594A1 (fr) | 1976-07-06 | 1977-07-05 | Polymerisation a l'etat fondu de l'epsilon-caprolactame |
Country Status (6)
Country | Link |
---|---|
JP (1) | JPS536398A (fr) |
DE (1) | DE2730248A1 (fr) |
FR (1) | FR2357594A1 (fr) |
GB (1) | GB1532603A (fr) |
IT (1) | IT1079744B (fr) |
NL (1) | NL7707419A (fr) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2012140099A1 (fr) * | 2011-04-13 | 2012-10-18 | Rhodia Operations | Composition polyamide stabilisee |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4366306A (en) | 1980-02-01 | 1982-12-28 | The Dow Chemical Company | Melt polymerization of ε-caprolactam |
JPS6227129A (ja) * | 1985-07-26 | 1987-02-05 | Toyobo Co Ltd | ポリカプラミド系フイルムの製造法 |
JPS6227130A (ja) * | 1985-07-26 | 1987-02-05 | Toyobo Co Ltd | ポリアミド系フイルムの製造方法 |
JPS6227128A (ja) * | 1985-07-26 | 1987-02-05 | Toyobo Co Ltd | ポリカプラミド系フィルムの製造法 |
JPS62104730A (ja) * | 1985-10-31 | 1987-05-15 | Toyobo Co Ltd | ポリカプラミド系フイルムの製造法 |
JPH0657390B2 (ja) * | 1988-05-27 | 1994-08-03 | 厚地鉄工株式会社 | サンドブラスト機のノズル揺動装置 |
JPH0653349B2 (ja) * | 1988-05-27 | 1994-07-20 | 厚地鉄工株式会社 | 揺動式サンドブラスト機 |
US4891420A (en) * | 1988-06-30 | 1990-01-02 | Basf Aktiengesellschaft | Continuous process for the hydrolytic production of polycaprolactam by tempering unextracted granular polymer material with moist inert gas |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR860533A (fr) * | 1938-09-30 | 1941-01-24 | Du Pont | Procédé de préparation de polyamides synthétiques linéaires |
FR2020427A1 (fr) * | 1968-10-11 | 1970-07-10 | Allied Chem |
-
1977
- 1977-07-05 JP JP8036377A patent/JPS536398A/ja active Pending
- 1977-07-05 FR FR7720650A patent/FR2357594A1/fr active Granted
- 1977-07-05 IT IT5013277A patent/IT1079744B/it active
- 1977-07-05 GB GB2816477A patent/GB1532603A/en not_active Expired
- 1977-07-05 DE DE19772730248 patent/DE2730248A1/de active Pending
- 1977-07-05 NL NL7707419A patent/NL7707419A/xx not_active Application Discontinuation
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR860533A (fr) * | 1938-09-30 | 1941-01-24 | Du Pont | Procédé de préparation de polyamides synthétiques linéaires |
FR2020427A1 (fr) * | 1968-10-11 | 1970-07-10 | Allied Chem |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2012140099A1 (fr) * | 2011-04-13 | 2012-10-18 | Rhodia Operations | Composition polyamide stabilisee |
FR2974102A1 (fr) * | 2011-04-13 | 2012-10-19 | Rhodia Operations | Composition polyamide stabilisee |
US9296876B2 (en) | 2011-04-13 | 2016-03-29 | Rhodia Operations | Stabilized polyamide compositions |
Also Published As
Publication number | Publication date |
---|---|
DE2730248A1 (de) | 1978-01-19 |
FR2357594B1 (fr) | 1979-03-23 |
JPS536398A (en) | 1978-01-20 |
NL7707419A (nl) | 1978-01-10 |
IT1079744B (it) | 1985-05-13 |
GB1532603A (en) | 1978-11-15 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |