IT975483B - Controllo della viscosita e della degradazione di policaproamide durante la policondensazione sotto vuoto - Google Patents
Controllo della viscosita e della degradazione di policaproamide durante la policondensazione sotto vuotoInfo
- Publication number
- IT975483B IT975483B IT70499/72A IT7049972A IT975483B IT 975483 B IT975483 B IT 975483B IT 70499/72 A IT70499/72 A IT 70499/72A IT 7049972 A IT7049972 A IT 7049972A IT 975483 B IT975483 B IT 975483B
- Authority
- IT
- Italy
- Prior art keywords
- polycaproamide
- viscosity
- control
- under vacuum
- degradation during
- Prior art date
Links
- 230000015556 catabolic process Effects 0.000 title 1
- 238000006731 degradation reaction Methods 0.000 title 1
- 238000006068 polycondensation reaction Methods 0.000 title 1
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)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US20002771A | 1971-11-18 | 1971-11-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| IT975483B true IT975483B (it) | 1974-07-20 |
Family
ID=22740010
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IT70499/72A IT975483B (it) | 1971-11-18 | 1972-11-08 | Controllo della viscosita e della degradazione di policaproamide durante la policondensazione sotto vuoto |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US3753955A (enExample) |
| JP (1) | JPS5710134B2 (enExample) |
| CA (1) | CA983645A (enExample) |
| DE (1) | DE2255674A1 (enExample) |
| FR (1) | FR2160625B1 (enExample) |
| GB (1) | GB1406459A (enExample) |
| IT (1) | IT975483B (enExample) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2357568A1 (de) * | 1973-11-17 | 1975-05-22 | Bayer Ag | Verfahren zur herstellung von polyamiden |
| US4310659A (en) * | 1980-04-21 | 1982-01-12 | Allied Corporation | Two-stage hydrolysis process for the preparation of nylon 6 |
| US20100227973A1 (en) * | 2009-03-06 | 2010-09-09 | Honeywell International Inc. | Low viscosity polyamides |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1193866A (en) * | 1966-06-11 | 1970-06-03 | Toyo Boseki | Improvements in the production of Polyamides |
| US3578640A (en) * | 1968-03-07 | 1971-05-11 | Allied Chem | Method for the production of thermally stable polycaprolactam |
-
1971
- 1971-11-18 US US00200027A patent/US3753955A/en not_active Expired - Lifetime
-
1972
- 1972-08-29 CA CA150,445A patent/CA983645A/en not_active Expired
- 1972-09-26 GB GB4448072A patent/GB1406459A/en not_active Expired
- 1972-11-08 IT IT70499/72A patent/IT975483B/it active
- 1972-11-09 JP JP11166272A patent/JPS5710134B2/ja not_active Expired
- 1972-11-14 DE DE2255674A patent/DE2255674A1/de not_active Withdrawn
- 1972-11-17 FR FR7240956A patent/FR2160625B1/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| CA983645A (en) | 1976-02-10 |
| JPS5710134B2 (enExample) | 1982-02-25 |
| FR2160625A1 (enExample) | 1973-06-29 |
| JPS4860192A (enExample) | 1973-08-23 |
| DE2255674A1 (de) | 1973-05-24 |
| US3753955A (en) | 1973-08-21 |
| FR2160625B1 (enExample) | 1976-10-29 |
| GB1406459A (en) | 1975-09-17 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| IT1000433B (it) | Composti da stampaggio trasparenti | |
| AT316721B (de) | Vakuumpume | |
| BE772308A (fr) | Nouveaux poly(oxydes de perfluoralkylene) | |
| IT950984B (it) | Scarpa particolarmente scarpone da sci | |
| IT976970B (it) | Procedimento di filatura per estrusione e di stiro | |
| IT938944B (it) | Procedimento di preparazione di polimero carbossilato | |
| BE811817A (fr) | Diesters de diacides insatures et de composes glycidyliques | |
| BE756953A (fr) | Potentialisation d'antibiotiques | |
| BR7300183D0 (pt) | Transdutor-compensador da tensao de um fio | |
| IT968585B (it) | Diimmidi aromatiche di 3 5 dial chilammine 4 idrossifenil sosti tuite | |
| IT968467B (it) | Esteri | |
| IT975483B (it) | Controllo della viscosita e della degradazione di policaproamide durante la policondensazione sotto vuoto | |
| TR17477A (tr) | Difenilamin ve muestaklarinin istihsali icin usul | |
| IT971140B (it) | Bastoni da sci perfezionati | |
| IT984111B (it) | Filatoio composto da singole sezioni simili | |
| BE791468A (fr) | Polyamides transparents et leur preparation | |
| IT970925B (it) | Vasca da bagno con grembiale | |
| BE808794A (fr) | Polyesters durcissables et leur preparation | |
| ZA712532B (en) | Polymerization of unsaturates | |
| AU5514973A (en) | Quenching of polymeric film quenching of polymeric film | |
| IT971900B (it) | Attenuatore integrato e disposi zione circuitale per l esercizio di detto attenuatore | |
| CH531248A (de) | Vakuumschalter | |
| IT987016B (it) | Composizione da stampaggio e pro cesso per la sua preparazione | |
| FR2146920B1 (enExample) | ||
| AT329128B (de) | Hochspannungs-abzweig- und trenn-einrichtung |