JPS5036877B2 - - Google Patents
Info
- Publication number
- JPS5036877B2 JPS5036877B2 JP4109172A JP4109172A JPS5036877B2 JP S5036877 B2 JPS5036877 B2 JP S5036877B2 JP 4109172 A JP4109172 A JP 4109172A JP 4109172 A JP4109172 A JP 4109172A JP S5036877 B2 JPS5036877 B2 JP S5036877B2
- Authority
- JP
- Japan
- 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.)
- Expired
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
- C08G63/00—Macromolecular compounds obtained by reactions forming a carboxylic ester link in the main chain of the macromolecule
- C08G63/78—Preparation processes
- C08G63/785—Preparation processes characterised by the apparatus used
-
- 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
- B01J3/006—Processes utilising sub-atmospheric pressure; Apparatus therefor
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Polyesters Or Polycarbonates (AREA)
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP4109172A JPS5036877B2 (fr) | 1972-04-24 | 1972-04-24 | |
NL7303242A NL173650C (nl) | 1972-04-24 | 1973-03-08 | Werkwijze voor het verlagen van de druk in een reactiezone voor de bereiding van lineaire polyesters of copolyesters. |
DE19732315492 DE2315492B2 (de) | 1972-04-24 | 1973-03-28 | Verfahren zur Erniedrigung des Druckes in einer Polykondensationszone zur Herstellung von linearen Polyestern |
GB1525673A GB1415774A (en) | 1972-04-24 | 1973-03-29 | Polyester production |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP4109172A JPS5036877B2 (fr) | 1972-04-24 | 1972-04-24 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS493995A JPS493995A (fr) | 1974-01-14 |
JPS5036877B2 true JPS5036877B2 (fr) | 1975-11-28 |
Family
ID=12598790
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP4109172A Expired JPS5036877B2 (fr) | 1972-04-24 | 1972-04-24 |
Country Status (4)
Country | Link |
---|---|
JP (1) | JPS5036877B2 (fr) |
DE (1) | DE2315492B2 (fr) |
GB (1) | GB1415774A (fr) |
NL (1) | NL173650C (fr) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2409343B2 (de) * | 1974-02-27 | 1979-06-28 | Akzo Gmbh, 5600 Wuppertal | Verfahren zum Entfernen der dampfförmigen Reaktionsprodukte bei der Herstellung von Polyestern, insbesondere von Polyäthylenterephthalat |
DE2948541A1 (de) * | 1979-12-03 | 1981-06-04 | Nukem Gmbh, 6450 Hanau | Verfahren und vorrichtung zur mehrstufigen verdampfung |
DE3662526D1 (en) * | 1986-04-29 | 1989-04-27 | Fischer Karl Ind Gmbh | Process and device for the fabrication of high molecular weight polyester |
DE4419397A1 (de) * | 1994-06-03 | 1995-12-14 | Zimmer Ag | Verfahren zur mehrstufigen Vakuumerzeugung bei der Polyester-Herstellung |
DE102005017427A1 (de) | 2005-04-15 | 2006-10-19 | Zimmer Ag | Verfahren zur Aufbereitung von Kondensaten aus der Polykondensation |
DE102011007543A1 (de) * | 2011-04-15 | 2012-10-18 | Aquafil Engineering Gmbh | Vorrichtung und Verfahren zur Kondensation von Dämpfen unter Vakuum |
-
1972
- 1972-04-24 JP JP4109172A patent/JPS5036877B2/ja not_active Expired
-
1973
- 1973-03-08 NL NL7303242A patent/NL173650C/xx not_active IP Right Cessation
- 1973-03-28 DE DE19732315492 patent/DE2315492B2/de not_active Withdrawn
- 1973-03-29 GB GB1525673A patent/GB1415774A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
JPS493995A (fr) | 1974-01-14 |
DE2315492B2 (de) | 1978-05-03 |
DE2315492A1 (de) | 1973-11-08 |
GB1415774A (en) | 1975-11-26 |
NL7303242A (fr) | 1973-10-26 |
NL173650C (nl) | 1984-02-16 |