FR1461013A - Procédé pour la séparation des fractions à bas poids moléculaire des composés hauts polymères - Google Patents

Procédé pour la séparation des fractions à bas poids moléculaire des composés hauts polymères

Info

Publication number
FR1461013A
FR1461013A FR42219A FR42219A FR1461013A FR 1461013 A FR1461013 A FR 1461013A FR 42219 A FR42219 A FR 42219A FR 42219 A FR42219 A FR 42219A FR 1461013 A FR1461013 A FR 1461013A
Authority
FR
France
Prior art keywords
separation
molecular weight
low molecular
high polymer
polymer compounds
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.)
Expired
Application number
FR42219A
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
HJ Zimmer Verfahrenstechnik
Original Assignee
HJ Zimmer Verfahrenstechnik
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by HJ Zimmer Verfahrenstechnik filed Critical HJ Zimmer Verfahrenstechnik
Application granted granted Critical
Publication of FR1461013A publication Critical patent/FR1461013A/fr
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D3/00—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping
    • B01D3/10—Vacuum distillation
    • B01D3/105—Vacuum distillation with the use of an ejector for creating the vacuum, the ejector being placed between evaporator or distillation devices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D3/00—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping
    • B01D3/10—Vacuum distillation
    • 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
    • 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
    • C08G69/46—Post-polymerisation treatment
    • 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
    • Y10S159/16—Vacuum
    • 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
    • Y10S203/00—Distillation: processes, separatory
    • Y10S203/16—Combination

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Polyesters Or Polycarbonates (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Other Resins Obtained By Reactions Not Involving Carbon-To-Carbon Unsaturated Bonds (AREA)
  • Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
  • Polyamides (AREA)
FR42219A 1964-12-23 1965-12-14 Procédé pour la séparation des fractions à bas poids moléculaire des composés hauts polymères Expired FR1461013A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEZ0011247 1964-12-23

Publications (1)

Publication Number Publication Date
FR1461013A true FR1461013A (fr) 1966-12-02

Family

ID=7621759

Family Applications (1)

Application Number Title Priority Date Filing Date
FR42219A Expired FR1461013A (fr) 1964-12-23 1965-12-14 Procédé pour la séparation des fractions à bas poids moléculaire des composés hauts polymères

Country Status (7)

Country Link
US (1) US3449220A (fr)
JP (1) JPS495830B1 (fr)
CH (1) CH438218A (fr)
DE (1) DE1545221B2 (fr)
FR (1) FR1461013A (fr)
GB (1) GB1091339A (fr)
NL (2) NL6516704A (fr)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3642447A (en) * 1969-07-23 1972-02-15 Lynn Harold Hahn Bromine purification process by addition of steam to the vapor phase
DE2135085C3 (de) * 1971-07-14 1981-12-03 Basf Ag, 6700 Ludwigshafen Verfahren zur Wiedergewinnung von Caprolactam aus einem Gemisch, das Caprolactam und dessen Oligomere enthält
US3797551A (en) * 1971-07-21 1974-03-19 Agfa Gevaert Ag Solidification of gelatin emulsions
USRE28937E (en) * 1971-11-18 1976-08-24 Allied Chemical Corporation Control of viscosity and polycaproamide degradation during vacuum polycondensation
US4184924A (en) * 1974-08-19 1980-01-22 Ethyl Corporation Apparatus for steam stripping polyvinyl chloride resins
DE2501348B2 (de) * 1975-01-15 1981-04-09 Basf Ag, 6700 Ludwigshafen Kontinuierliches Verfahren zur Herstellung von Polyamiden aus epsilon-Caprolactam
IT1100787B (it) * 1978-12-06 1985-09-28 Snia Viscosa Processo e apparecchiatura per demonomerizzazione di policaproammide
US4311642A (en) * 1980-09-17 1982-01-19 Allied Corporation Recovery of caprolactam from nylon 6 oligomers
JPS63141692A (ja) * 1986-12-03 1988-06-14 Konica Corp 写真処理廃液の蒸発濃縮処理方法及びその装置
AU603400B2 (en) * 1986-12-17 1990-11-15 Konica Corporation Method of treating photographic process waste liquor through concentration by evaporation and apparatus therefor
US5439560A (en) * 1990-02-22 1995-08-08 Konica Corporation Low pressure evaporation concentrating apparatus for a photographic process waste disposl
DE4201046A1 (de) * 1992-01-17 1993-07-22 Bayer Ag Verfahren zur reinigung von polymerloesungen
RU2073326C1 (ru) * 1994-11-29 1997-02-10 Валерий Григорьевич Цегельский Установка вакуумной перегонки жидкого продукта
US5531866A (en) * 1994-12-06 1996-07-02 Gas Research Institute Water and organic constituent separator system and method
US6346173B2 (en) * 1996-08-16 2002-02-12 Evgueni D. Petroukhine Method for the vacuum distillation of a liquid product, particularly oil stock, (variants) and system for realizing the same
DE19844176C1 (de) * 1998-09-25 2000-03-16 Ems Polyloy Gmbh Verfahren und Vorrichtung zur Vakuum-Entmonomerisierung von Polyamid 6-Schmelzen
PT1181272E (pt) 2000-12-28 2003-01-31 Lundbeck & Co As H Processo para a preparacao de citalopram puro
ES2376845T3 (es) * 2008-06-20 2012-03-20 Basf Se Procedimiento continuo para el secado multietapa y posterior condensación de granulados de poliamida
US8202480B2 (en) * 2009-06-25 2012-06-19 Uop Llc Apparatus for separating pitch from slurry hydrocracked vacuum gas oil
US8540870B2 (en) * 2009-06-25 2013-09-24 Uop Llc Process for separating pitch from slurry hydrocracked vacuum gas oil
RU2477394C1 (ru) * 2011-07-08 2013-03-10 Министерство образования и науки Российской Федерации Государственное образовательное учреждение высшего профессионального образования "Московский автомобильно-дорожный государственный технический университет (МАДИ)" Многокомпонентная рабочая жидкость - имитатор скважинной жидкости для поверочного стенда
US9150470B2 (en) 2012-02-02 2015-10-06 Uop Llc Process for contacting one or more contaminated hydrocarbons
TW201446837A (zh) * 2013-05-01 2014-12-16 Invista Tech Sarl 尼龍合成中之製程壓力控制

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2489703A (en) * 1947-04-24 1949-11-29 American Cyanamid Co Evaporating aqueous solutions containing hcn
US2682499A (en) * 1950-03-20 1954-06-29 Kraft Foods Co High vacuum distillation and drying system
US2793235A (en) * 1954-09-27 1957-05-21 Du Pont Recovery of glycols from polyester production
DE1040018B (de) * 1956-05-17 1958-10-02 Basf Ag Verfahren zur Wiedergewinnung von Terephthalsaeuredimethylester
US2952675A (en) * 1958-07-01 1960-09-13 Inventa A G Fur Forschun Und P Process of recovering epsilon-caprolactam from its polymer
US3017289A (en) * 1959-01-26 1962-01-16 Eastman Kodak Co Method of preparing photographic materials
US3252502A (en) * 1962-01-19 1966-05-24 Allied Chem Centrifugal wiped film evaporation process for viscous materials
US3258410A (en) * 1965-03-26 1966-06-28 Foster Grant Co Inc Method of maintaining a monomer ratio in condensing polyamides

Also Published As

Publication number Publication date
DE1545221A1 (de) 1970-01-02
NL6516704A (fr) 1966-06-24
JPS495830B1 (fr) 1974-02-09
DE1545221B2 (de) 1970-12-17
CH438218A (de) 1967-06-30
US3449220A (en) 1969-06-10
NL135959C (fr)
GB1091339A (en) 1967-11-15

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