DE1955864B2 - Verfahren zur herstellung von hochkonzentrierten acrylnitrilpolymerisatund -copolymerisatloesungen - Google Patents
Verfahren zur herstellung von hochkonzentrierten acrylnitrilpolymerisatund -copolymerisatloesungenInfo
- Publication number
- DE1955864B2 DE1955864B2 DE19691955864 DE1955864A DE1955864B2 DE 1955864 B2 DE1955864 B2 DE 1955864B2 DE 19691955864 DE19691955864 DE 19691955864 DE 1955864 A DE1955864 A DE 1955864A DE 1955864 B2 DE1955864 B2 DE 1955864B2
- Authority
- DE
- Germany
- Prior art keywords
- solution
- solutions
- torr
- monomer
- highly concentrated
- 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- Withdrawn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 21
- NLHHRLWOUZZQLW-UHFFFAOYSA-N Acrylonitrile Chemical compound C=CC#N NLHHRLWOUZZQLW-UHFFFAOYSA-N 0.000 title description 3
- 238000002360 preparation method Methods 0.000 title description 2
- 239000000178 monomer Substances 0.000 claims description 30
- 239000010409 thin film Substances 0.000 claims description 7
- 229920002239 polyacrylonitrile Polymers 0.000 claims description 5
- 238000006116 polymerization reaction Methods 0.000 claims description 5
- 229920001577 copolymer Polymers 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 claims description 3
- 238000005292 vacuum distillation Methods 0.000 claims description 3
- 239000003960 organic solvent Substances 0.000 claims 1
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 description 18
- 239000002904 solvent Substances 0.000 description 15
- 229920000642 polymer Polymers 0.000 description 14
- 238000009835 boiling Methods 0.000 description 9
- 238000009987 spinning Methods 0.000 description 7
- 238000001704 evaporation Methods 0.000 description 6
- 238000009833 condensation Methods 0.000 description 5
- 230000005494 condensation Effects 0.000 description 5
- 238000004821 distillation Methods 0.000 description 5
- 238000000578 dry spinning Methods 0.000 description 5
- 230000008020 evaporation Effects 0.000 description 5
- 239000000203 mixture Substances 0.000 description 3
- 238000002166 wet spinning Methods 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000010408 film Substances 0.000 description 2
- 239000006200 vaporizer Substances 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 238000010528 free radical solution polymerization reaction Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 229920000620 organic polymer Polymers 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000003685 thermal hair damage Effects 0.000 description 1
- 230000008646 thermal stress Effects 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F6/00—Post-polymerisation treatments
- C08F6/06—Treatment of polymer solutions
- C08F6/10—Removal of volatile materials, e.g. solvents
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S159/00—Concentrating evaporators
- Y10S159/10—Organic
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
- Artificial Filaments (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DD14109069 | 1969-07-09 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE1955864A1 DE1955864A1 (de) | 1971-01-28 |
| DE1955864B2 true DE1955864B2 (de) | 1977-05-18 |
Family
ID=5481444
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19691955864 Withdrawn DE1955864B2 (de) | 1969-07-09 | 1969-11-06 | Verfahren zur herstellung von hochkonzentrierten acrylnitrilpolymerisatund -copolymerisatloesungen |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US3635917A (enExample) |
| DE (1) | DE1955864B2 (enExample) |
| NL (1) | NL6913855A (enExample) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2953248C1 (de) * | 1978-10-20 | 1983-12-29 | Hitachi, Ltd., Tokyo | Vorrichtung zum Entfernen leichtfluechtiger Bestandteile aus thermoplastischen Polymerisatmassen |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3812897A (en) * | 1971-08-11 | 1974-05-28 | Monsanto Co | Wiped film devolatilization process |
| US4028302A (en) * | 1975-10-07 | 1977-06-07 | E. I. Du Pont De Nemours And Company | Process for preparing concentrated acrylonitrile polymer solutions |
| US4414341A (en) * | 1980-11-19 | 1983-11-08 | Celanese Corporation | Flash evaporation process for concentrating polymer solutions |
| US4414063A (en) * | 1982-04-12 | 1983-11-08 | E. I. Du Pont De Nemours & Co. | Removing residual acrylonitrile in aqueous dispersions |
| JP3705003B2 (ja) | 1999-04-07 | 2005-10-12 | 三菱化学株式会社 | 重合体溶液の製造方法 |
| CA2377270A1 (en) * | 1999-06-18 | 2000-12-28 | Advanced Research And Technology Institute, Inc. | Cardiomyocytes with enhanced proliferative potential |
| US6869501B2 (en) | 2001-12-20 | 2005-03-22 | 3M Innovative Properties Company | Continuous process for controlled concentration of colloidal solutions |
| US20030116290A1 (en) * | 2001-12-20 | 2003-06-26 | 3M Innovative Properties Company | Continuous process for controlled evaporation of black liquor |
| US7128815B2 (en) * | 2003-03-25 | 2006-10-31 | Council Of Scientific And Industrial Research | Process for recovery of pure acrylonitrile |
-
1969
- 1969-09-11 NL NL6913855A patent/NL6913855A/xx unknown
- 1969-11-06 DE DE19691955864 patent/DE1955864B2/de not_active Withdrawn
- 1969-12-19 US US886733A patent/US3635917A/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2953248C1 (de) * | 1978-10-20 | 1983-12-29 | Hitachi, Ltd., Tokyo | Vorrichtung zum Entfernen leichtfluechtiger Bestandteile aus thermoplastischen Polymerisatmassen |
Also Published As
| Publication number | Publication date |
|---|---|
| DE1955864A1 (de) | 1971-01-28 |
| US3635917A (en) | 1972-01-18 |
| NL6913855A (enExample) | 1971-03-15 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| DE836711C (de) | Verfahren zur Herstellung von halbfesten und festen Polymeren des AEthylens | |
| DE1955864B2 (de) | Verfahren zur herstellung von hochkonzentrierten acrylnitrilpolymerisatund -copolymerisatloesungen | |
| DE1212300B (de) | Verfahren zur Herstellung konzentrierter Dispersionen von fluorhaltigen Polymerisaten | |
| DE1956286A1 (de) | Verfahren zum Entfernen von fluechtigen Monomeren aus Acrylnitrilpolymerisat-Loesungen sowie deren Konzentrierung | |
| DE1037705B (de) | Verfahren zur Polymerisation von Formaldehyd | |
| DE2138176C3 (de) | Verfahren zur einstufigen Entfernung von verdampfbaren Anteilen aus Polymerlösungen | |
| DE2420471A1 (de) | Verfahren zur abtrennung und rueckgewinnung von restmonomeren aus waessrigen suspensionen von acrylnitrilpolymerisaten | |
| DE2363671C3 (de) | Verfahren zur Herstellung von Kurzfasern aus Niederdruckpolyäthylen | |
| DE2149820C3 (de) | Verfahren zur Herstellung von Polymerisaten in Pulverform aus wäßrigen Polymerisatdispersionen | |
| DE2628700C2 (de) | Verfahren zur Entfernung von Vinylchloridmonomer aus Polyvinylchloridpolymeren und Copolymeren | |
| DE1495654A1 (de) | Verfahren und Vorrichtung zur kontinuierlichen Rueckgewinnung einer aus Lactamen und Amidoligomeren bestehenden Gasmischung aus mit dieser Mischung verunreinigten Polyamiden | |
| DE2914342A1 (de) | Verfahren zur rueckgewinnung nicht umgesetzter olefinischer monomerverbindungen | |
| DE2461185B2 (de) | Verfahren zur herstellung einer spinnloesung | |
| DE863417C (de) | Verfahren zur kontinuierlichen Herstellung von Polymeren oder von Kondensations- oder Dehydratationsprodukten | |
| DE1517544B2 (de) | Verfahren zum entsalzen von salzwasser | |
| DE2428093A1 (de) | Kontinuierliches verfahren zur herstellung einer spinnloesung von acrylpolymerisaten | |
| AT274366B (de) | Verfahren zur Herstellung von hoch- und niedrigmolekularen Formaldehydpolymeren | |
| AT204680B (de) | Verfahren zur Verbesserung der mechanischen Eigenschaften von Polypropylenprodukten | |
| DE2454445A1 (de) | Verfahren zur entfernung von monomeren aus waessrigen dispersionen von polymeren | |
| DE586801C (de) | Verfahren zur Herstellung konzentrierter Essigsaeure | |
| DE2363672C3 (de) | Verfahren zur Herstellung von Kurzfasern aus Niederdruckpolyäthylen und deren Verwendung | |
| DE1494606C (de) | Fäden aus hochmolekularen linearen Polycarbonaten und Verfahren zu deren Herstellung | |
| AT201287B (de) | Verfahren zur Herstellung von Filmen | |
| DE1031468B (de) | Verfahren zur Herstellung von Faeden aus Polyolefinen unter Verwendung von Schneckenpressen | |
| AT233246B (de) | Verfahren zur kontinuierlichen Polymerisation bzw. Kopolymerisation von Akrylnitril in konzentrierten wässerigen Lösungen anorganischer Salze |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| SH | Request for examination between 03.10.1968 and 22.04.1971 | ||
| BHN | Withdrawal |