DE2255674A1 - Verfahren zur kontinuierlichen verdampfung von extrahierbarem aus einer polycaproamidschmelze - Google Patents
Verfahren zur kontinuierlichen verdampfung von extrahierbarem aus einer polycaproamidschmelzeInfo
- Publication number
- DE2255674A1 DE2255674A1 DE2255674A DE2255674A DE2255674A1 DE 2255674 A1 DE2255674 A1 DE 2255674A1 DE 2255674 A DE2255674 A DE 2255674A DE 2255674 A DE2255674 A DE 2255674A DE 2255674 A1 DE2255674 A1 DE 2255674A1
- Authority
- DE
- Germany
- Prior art keywords
- polymer
- hours
- pressure
- water vapor
- melt
- 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.)
- Withdrawn
Links
- 238000000034 method Methods 0.000 title claims description 13
- 239000000463 material Substances 0.000 title claims description 12
- 230000008020 evaporation Effects 0.000 title claims 2
- 238000001704 evaporation Methods 0.000 title claims 2
- 229920000642 polymer Polymers 0.000 claims description 108
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 100
- 238000006731 degradation reaction Methods 0.000 claims description 13
- 238000006116 polymerization reaction Methods 0.000 claims description 13
- 230000015556 catabolic process Effects 0.000 claims description 12
- 239000000155 melt Substances 0.000 claims description 9
- 239000000470 constituent Substances 0.000 claims description 3
- 238000012643 polycondensation polymerization Methods 0.000 claims 1
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 40
- 150000003951 lactams Chemical class 0.000 description 30
- 239000012632 extractable Substances 0.000 description 24
- 239000000284 extract Substances 0.000 description 23
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 15
- 230000000694 effects Effects 0.000 description 14
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 10
- 238000004040 coloring Methods 0.000 description 9
- 238000011010 flushing procedure Methods 0.000 description 9
- 239000000178 monomer Substances 0.000 description 9
- 238000006243 chemical reaction Methods 0.000 description 8
- 238000006114 decarboxylation reaction Methods 0.000 description 8
- 150000001412 amines Chemical class 0.000 description 7
- 238000002474 experimental method Methods 0.000 description 6
- 238000006068 polycondensation reaction Methods 0.000 description 6
- 229910052757 nitrogen Inorganic materials 0.000 description 5
- 238000012667 polymer degradation Methods 0.000 description 5
- 238000010926 purge Methods 0.000 description 5
- 238000012360 testing method Methods 0.000 description 5
- 125000003277 amino group Chemical group 0.000 description 4
- 230000007423 decrease Effects 0.000 description 4
- BDAGIHXWWSANSR-UHFFFAOYSA-N methanoic acid Natural products OC=O BDAGIHXWWSANSR-UHFFFAOYSA-N 0.000 description 4
- 238000013459 approach Methods 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 3
- 239000013256 coordination polymer Substances 0.000 description 3
- 238000010036 direct spinning Methods 0.000 description 3
- 150000003949 imides Chemical class 0.000 description 3
- 239000000523 sample Substances 0.000 description 3
- 239000007858 starting material Substances 0.000 description 3
- UIKUBYKUYUSRSM-UHFFFAOYSA-N 3-morpholinopropylamine Chemical compound NCCCN1CCOCC1 UIKUBYKUYUSRSM-UHFFFAOYSA-N 0.000 description 2
- OSWFIVFLDKOXQC-UHFFFAOYSA-N 4-(3-methoxyphenyl)aniline Chemical compound COC1=CC=CC(C=2C=CC(N)=CC=2)=C1 OSWFIVFLDKOXQC-UHFFFAOYSA-N 0.000 description 2
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 description 2
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 2
- PAFZNILMFXTMIY-UHFFFAOYSA-N cyclohexylamine Chemical compound NC1CCCCC1 PAFZNILMFXTMIY-UHFFFAOYSA-N 0.000 description 2
- JBKVHLHDHHXQEQ-UHFFFAOYSA-N epsilon-caprolactam Chemical compound O=C1CCCCCN1 JBKVHLHDHHXQEQ-UHFFFAOYSA-N 0.000 description 2
- 235000019253 formic acid Nutrition 0.000 description 2
- 229910052748 manganese Inorganic materials 0.000 description 2
- 239000011572 manganese Substances 0.000 description 2
- FLFJVPPJGJSHMF-UHFFFAOYSA-L manganese hypophosphite Chemical compound [Mn+2].[O-]P=O.[O-]P=O FLFJVPPJGJSHMF-UHFFFAOYSA-L 0.000 description 2
- 229910052698 phosphorus Inorganic materials 0.000 description 2
- 239000011574 phosphorus Substances 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- SLXKOJJOQWFEFD-UHFFFAOYSA-N 6-aminohexanoic acid Chemical compound NCCCCCC(O)=O SLXKOJJOQWFEFD-UHFFFAOYSA-N 0.000 description 1
- 239000002262 Schiff base Substances 0.000 description 1
- 150000004753 Schiff bases Chemical class 0.000 description 1
- 241000555745 Sciuridae Species 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 125000003368 amide group Chemical group 0.000 description 1
- 150000001408 amides Chemical class 0.000 description 1
- 229960002684 aminocaproic acid Drugs 0.000 description 1
- 125000006367 bivalent amino carbonyl group Chemical group [H]N([*:1])C([*:2])=O 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 238000006555 catalytic reaction Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000001934 delay Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000004611 light stabiliser Substances 0.000 description 1
- 239000000289 melt material Substances 0.000 description 1
- 230000003340 mental effect Effects 0.000 description 1
- 238000009987 spinning Methods 0.000 description 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 |
|---|---|
| DE2255674A1 true DE2255674A1 (de) | 1973-05-24 |
Family
ID=22740010
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE2255674A Withdrawn DE2255674A1 (de) | 1971-11-18 | 1972-11-14 | Verfahren zur kontinuierlichen verdampfung von extrahierbarem aus einer polycaproamidschmelze |
Country Status (7)
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 |
Citations (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
Patent Citations (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 |
Also Published As
| Publication number | Publication date |
|---|---|
| US3753955A (en) | 1973-08-21 |
| GB1406459A (en) | 1975-09-17 |
| JPS4860192A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1973-08-23 |
| CA983645A (en) | 1976-02-10 |
| FR2160625A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1973-06-29 |
| FR2160625B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1976-10-29 |
| IT975483B (it) | 1974-07-20 |
| JPS5710134B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1982-02-25 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP0308774B1 (de) | Verfahren zur kontinuierlichen Extraktion von Polyamiden | |
| DE2443566A1 (de) | Verfahren zum kontinuierlichen herstellen von polyamiden | |
| DE1934479A1 (de) | Verfahren und Vorrichtung zur Extraktion eines Gases aus einem Gasgemisch | |
| DE2255674A1 (de) | Verfahren zur kontinuierlichen verdampfung von extrahierbarem aus einer polycaproamidschmelze | |
| DE1495149B2 (de) | Verfahren zur Herstellung von PoIylaurinlactam | |
| DE2454118C2 (de) | Verfahren zur Herstellung eines hydrophilen Blockcopolymeren und dessen Verwendung | |
| DE2420471A1 (de) | Verfahren zur abtrennung und rueckgewinnung von restmonomeren aus waessrigen suspensionen von acrylnitrilpolymerisaten | |
| DE2558480A1 (de) | Verfahren zur polymerisation von epsilon-caprolactam | |
| DE2016867A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | ||
| DE2816568A1 (de) | Verfahren zur behandlung von vinylchlorid/vinylacetat-copolymersuspensionen | |
| DE4205984C1 (en) | Mfg. poly:tetra:hydro:furan or poly:tetra:methylene glycol - by cationic polymerisation of THF in presence of initiator for narrow mol. wt. distribution | |
| DE2848951C2 (de) | Vorrichtungen zur kontinuierlichen hydrolytischen Polymerisation von Caprolactam | |
| DE3217564A1 (de) | Verfahren zur entfernung des katalysators aus polyphenylenethern | |
| DE3522258A1 (de) | Verfahren zum kontinuierlichen betrieb einer gegenstromwaschkolonne | |
| DE4231288A1 (de) | Verfahren zur Verbesserung der Extraktion von Polyamidgranulat | |
| DE1420385C (de) | Verfahren zur Clorierung von Polyäthylen | |
| DE3332376A1 (de) | Verfahren zur herstellung von suspensions-polyvinylchlorid, welches zur spritzgiessverarbeitung geeignet ist | |
| DE3029027A1 (de) | Verfahren zur herstellung wasserloeslicher hydrolyseprodukte von polyacrylnitrilpolymerisaten | |
| DE1209293B (de) | Verfahren zur kontinuierlichen Gegenstrom-extraktion von niedermolekularen Anteilen aus Schnitzeln oder Granulat von Poly-epsilon-caprolactam | |
| DE1667318A1 (de) | Verfahren zur Herstellung von aktinischen Solen aus der waesserigen Loesung ihrer Nitrate | |
| DE2461185B2 (de) | Verfahren zur herstellung einer spinnloesung | |
| DE2343982A1 (de) | Thermoplastische masse | |
| DE863417C (de) | Verfahren zur kontinuierlichen Herstellung von Polymeren oder von Kondensations- oder Dehydratationsprodukten | |
| DE1570710C (de) | Verfahren zur Herstellung von Propfpolymerisaten durch Umsetzung polymerer N-Vinyllactame, Vinylester oder Acrylatester mit einem alpha-omega-Diolefin | |
| DE2012528A1 (de) | Verfahren zur Polymerisation von Tetrahydrofuran |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| OD | Request for examination | ||
| 8127 | New person/name/address of the applicant |
Owner name: ALLIED CORP., MORRIS TOWNSHIP, N.J., US |
|
| 8128 | New person/name/address of the agent |
Representative=s name: WEBER, D., DIPL.-CHEM. DR.RER.NAT. SEIFFERT, K., D |
|
| 8130 | Withdrawal |