IT964175B - Procedimento perfezionato per la preparazione di poliammidi e pro dotti cosi ottenuti - Google Patents
Procedimento perfezionato per la preparazione di poliammidi e pro dotti cosi ottenutiInfo
- Publication number
- IT964175B IT964175B IT28406/72A IT2840672A IT964175B IT 964175 B IT964175 B IT 964175B IT 28406/72 A IT28406/72 A IT 28406/72A IT 2840672 A IT2840672 A IT 2840672A IT 964175 B IT964175 B IT 964175B
- Authority
- IT
- Italy
- Prior art keywords
- polyamides
- products
- preparation
- perfected process
- perfected
- Prior art date
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
- C08G69/48—Polymers modified by chemical after-treatment
-
- 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
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/04—Oxygen-containing compounds
- C08K5/07—Aldehydes; Ketones
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Polyamides (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7130754A FR2150231B1 (it) | 1971-08-25 | 1971-08-25 |
Publications (1)
Publication Number | Publication Date |
---|---|
IT964175B true IT964175B (it) | 1974-01-21 |
Family
ID=9082185
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT28406/72A IT964175B (it) | 1971-08-25 | 1972-08-23 | Procedimento perfezionato per la preparazione di poliammidi e pro dotti cosi ottenuti |
Country Status (12)
Country | Link |
---|---|
US (1) | US3855182A (it) |
JP (1) | JPS5654338B2 (it) |
BE (1) | BE787929A (it) |
CA (1) | CA975892A (it) |
CH (1) | CH547325A (it) |
DE (1) | DE2241131A1 (it) |
FR (1) | FR2150231B1 (it) |
GB (1) | GB1340646A (it) |
IT (1) | IT964175B (it) |
LU (1) | LU65931A1 (it) |
NL (1) | NL7211458A (it) |
SU (1) | SU468435A3 (it) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3898199A (en) * | 1971-08-25 | 1975-08-05 | Aquitaine Total Organico | Process for obtaining polyamides from lactams |
DE2610515C3 (de) * | 1976-03-12 | 1979-01-25 | Agfa-Gevaert Ag, 5090 Leverkusen | Schmalfilmkamera mit einem Sucher und einem Handgriff |
JPS63194255A (ja) * | 1987-02-09 | 1988-08-11 | Fuji Photo Film Co Ltd | 露光機能を賦与した感光材料包装ユニツト |
JPS63194256A (ja) * | 1987-02-09 | 1988-08-11 | Fuji Photo Film Co Ltd | 撮影用写真感光材料の包装ユニツト |
JPH07117707B2 (ja) * | 1987-02-14 | 1995-12-18 | 富士写真フイルム株式会社 | レンズ付きフィルムユニット |
JPH068588Y2 (ja) * | 1987-10-07 | 1994-03-02 | 富士写真フイルム株式会社 | レンズ付きフィルムユニット |
JPH066347Y2 (ja) * | 1987-10-07 | 1994-02-16 | 富士写真フイルム株式会社 | レンズ付きフィルムユニット |
FR2768741B1 (fr) | 1997-09-25 | 1999-11-12 | Atochem Elf Sa | Procede de fabrication de polyamides |
DE10118453C1 (de) | 2001-04-12 | 2002-12-12 | Ems Chemie Ag | Anionisch hergestelltes Polyamid und Verfahren zu seiner Herstellung sowie ein Verfahren zum Wiederaufbereiten von Polyamid |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3207729A (en) * | 1962-10-08 | 1965-09-21 | Du Pont | Anionic polymerization of lactams with 2, 2, 4, 4-tetramethyl-1, 3-cyclobutane dione as promoter |
-
1971
- 1971-08-25 FR FR7130754A patent/FR2150231B1/fr not_active Expired
-
1972
- 1972-08-16 US US00281225A patent/US3855182A/en not_active Expired - Lifetime
- 1972-08-22 NL NL7211458A patent/NL7211458A/xx not_active Application Discontinuation
- 1972-08-22 CH CH1245372A patent/CH547325A/fr not_active IP Right Cessation
- 1972-08-22 LU LU65931A patent/LU65931A1/xx unknown
- 1972-08-22 DE DE2241131A patent/DE2241131A1/de not_active Withdrawn
- 1972-08-23 SU SU1821085A patent/SU468435A3/ru active
- 1972-08-23 IT IT28406/72A patent/IT964175B/it active
- 1972-08-24 GB GB3943472A patent/GB1340646A/en not_active Expired
- 1972-08-24 JP JP8494672A patent/JPS5654338B2/ja not_active Expired
- 1972-08-24 BE BE787929A patent/BE787929A/xx unknown
- 1972-08-25 CA CA150,197A patent/CA975892A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
NL7211458A (it) | 1973-02-27 |
GB1340646A (en) | 1973-12-12 |
FR2150231B1 (it) | 1974-05-17 |
DE2241131A1 (de) | 1973-03-01 |
LU65931A1 (it) | 1973-01-17 |
SU468435A3 (ru) | 1975-04-25 |
JPS5654338B2 (it) | 1981-12-24 |
US3855182A (en) | 1974-12-17 |
CA975892A (en) | 1975-10-07 |
FR2150231A1 (it) | 1973-04-06 |
CH547325A (fr) | 1974-03-29 |
BE787929A (fr) | 1972-12-18 |
JPS4831249A (it) | 1973-04-24 |
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