CH431978A - Verfahren zur Erhöhung der Lösungsviskosität von Polyamiden - Google Patents
Verfahren zur Erhöhung der Lösungsviskosität von PolyamidenInfo
- Publication number
- CH431978A CH431978A CH514064A CH514064A CH431978A CH 431978 A CH431978 A CH 431978A CH 514064 A CH514064 A CH 514064A CH 514064 A CH514064 A CH 514064A CH 431978 A CH431978 A CH 431978A
- Authority
- CH
- Switzerland
- Prior art keywords
- polyamides
- increasing
- solution viscosity
- viscosity
- solution
- 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
- C08G69/02—Polyamides derived from amino-carboxylic acids or from polyamines and polycarboxylic acids
- C08G69/26—Polyamides derived from amino-carboxylic acids or from polyamines and polycarboxylic acids derived from polyamines and polycarboxylic acids
- C08G69/28—Preparatory processes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
- B01F23/20—Mixing gases with liquids
- B01F23/23—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids
- B01F23/2319—Methods of introducing gases into liquid media
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J3/00—Processes of utilising sub-atmospheric or super-atmospheric pressure to effect chemical or physical change of matter; Apparatus therefor
- B01J3/04—Pressure vessels, e.g. autoclaves
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J2219/00049—Controlling or regulating processes
- B01J2219/00051—Controlling the temperature
- B01J2219/00074—Controlling the temperature by indirect heating or cooling employing heat exchange fluids
- B01J2219/00087—Controlling the temperature by indirect heating or cooling employing heat exchange fluids with heat exchange elements outside the reactor
- B01J2219/00094—Jackets
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J2219/00049—Controlling or regulating processes
- B01J2219/00051—Controlling the temperature
- B01J2219/00121—Controlling the temperature by direct heating or cooling
- B01J2219/00123—Controlling the temperature by direct heating or cooling adding a temperature modifying medium to the reactants
- B01J2219/00126—Cryogenic coolants
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J2219/18—Details relating to the spatial orientation of the reactor
- B01J2219/185—Details relating to the spatial orientation of the reactor vertical
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J2219/19—Details relating to the geometry of the reactor
- B01J2219/194—Details relating to the geometry of the reactor round
- B01J2219/1941—Details relating to the geometry of the reactor round circular or disk-shaped
- B01J2219/1943—Details relating to the geometry of the reactor round circular or disk-shaped cylindrical
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Polyamides (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DEV24141A DE1265413B (de) | 1963-06-06 | 1963-06-06 | Verfahren zur Erhoehung der Loesungsviskositaet von Polyamiden |
Publications (1)
Publication Number | Publication Date |
---|---|
CH431978A true CH431978A (de) | 1967-03-15 |
Family
ID=7580991
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH514064A CH431978A (de) | 1963-06-06 | 1964-04-21 | Verfahren zur Erhöhung der Lösungsviskosität von Polyamiden |
Country Status (9)
Country | Link |
---|---|
US (1) | US3359245A (de) |
AT (1) | AT245258B (de) |
BE (1) | BE646749A (de) |
CH (1) | CH431978A (de) |
DE (1) | DE1265413B (de) |
FR (1) | FR1397745A (de) |
GB (1) | GB1004558A (de) |
NL (1) | NL6406435A (de) |
SE (1) | SE302212B (de) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3480596A (en) * | 1967-03-09 | 1969-11-25 | Fiber Industries Inc | Process of forming polymeric material of increased relative viscosity |
TW201512225A (zh) * | 2013-05-01 | 2015-04-01 | Invista Tech Sarl | 將添加劑直接注入高壓釜中 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2731081A (en) * | 1953-04-13 | 1956-01-17 | Ind Rayon Corp | Method for the removal of monomers, etc. from molten polymers |
NL97544C (de) * | 1953-07-25 | |||
DE1030993B (de) * | 1954-02-15 | 1958-05-29 | Thueringisches Kunstfaserwerk | Verfahren zum Entfernen niedermolekularer Anteile aus polymerisiertem ªŠ-Caprolactam |
US3109835A (en) * | 1958-10-08 | 1963-11-05 | Allied Chem | Process for producing ultrahigh viscosity polycaprolactam |
US3047565A (en) * | 1958-11-20 | 1962-07-31 | Inventa Ag | Process for extraction of monomeric caprolactam from its polymer |
NL99480C (de) * | 1960-05-31 |
-
1963
- 1963-06-06 DE DEV24141A patent/DE1265413B/de active Pending
-
1964
- 1964-04-20 BE BE646749D patent/BE646749A/xx unknown
- 1964-04-21 CH CH514064A patent/CH431978A/de unknown
- 1964-05-15 AT AT430264A patent/AT245258B/de active
- 1964-05-27 US US370431A patent/US3359245A/en not_active Expired - Lifetime
- 1964-06-04 FR FR977089A patent/FR1397745A/fr not_active Expired
- 1964-06-04 GB GB23195/64A patent/GB1004558A/en not_active Expired
- 1964-06-05 SE SE6885/64A patent/SE302212B/xx unknown
- 1964-06-05 NL NL6406435A patent/NL6406435A/xx unknown
Also Published As
Publication number | Publication date |
---|---|
GB1004558A (en) | 1965-09-15 |
FR1397745A (fr) | 1965-04-30 |
US3359245A (en) | 1967-12-19 |
AT245258B (de) | 1966-02-25 |
DE1265413B (de) | 1968-04-04 |
BE646749A (de) | 1964-08-17 |
SE302212B (de) | 1968-07-08 |
NL6406435A (de) | 1964-12-07 |
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