FR52774E - Process for preparing polyamides - Google Patents

Process for preparing polyamides

Info

Publication number
FR52774E
FR52774E FR52774DA FR52774E FR 52774 E FR52774 E FR 52774E FR 52774D A FR52774D A FR 52774DA FR 52774 E FR52774 E FR 52774E
Authority
FR
France
Prior art keywords
preparing polyamides
polyamides
preparing
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
Other languages
French (fr)
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.)
Zellwolle und Kunstseide Ring GmbH
Original Assignee
Zellwolle und Kunstseide Ring GmbH
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 Zellwolle und Kunstseide Ring GmbH filed Critical Zellwolle und Kunstseide Ring GmbH
Application granted granted Critical
Publication of FR52774E publication Critical patent/FR52774E/en
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D23/00—Details of mechanically-actuated clutches not specific for one distinct type
    • F16D23/02—Arrangements for synchronisation, also for power-operated clutches
    • F16D23/04—Arrangements for synchronisation, also for power-operated clutches with an additional friction clutch
    • 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
    • B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J19/18—Stationary reactors having moving elements inside
    • B01J19/22—Stationary reactors having moving elements inside in the form of endless belts
    • 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
    • B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J19/24—Stationary reactors without moving elements inside
    • 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
    • C08G69/04—Preparatory processes
    • 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
    • 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
    • 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
    • B01J2219/0013—Controlling the temperature by direct heating or cooling by condensation of reactants
    • 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
    • B01J2219/00761—Details of the reactor
    • B01J2219/00763—Baffles
    • B01J2219/00765—Baffles attached to the reactor wall
    • B01J2219/0077—Baffles attached to the reactor wall inclined
FR52774D 1941-02-22 1943-03-18 Process for preparing polyamides Expired FR52774E (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE237400X 1941-02-22
DE281141X 1941-11-28
DE50942X 1942-09-05
DE141042X 1942-10-14

Publications (1)

Publication Number Publication Date
FR52774E true FR52774E (en) 1945-06-01

Family

ID=27430363

Family Applications (4)

Application Number Title Priority Date Filing Date
FR879254D Expired FR879254A (en) 1941-02-22 1942-02-11 Process for the preparation of polyamides
FR52774D Expired FR52774E (en) 1941-02-22 1943-03-18 Process for preparing polyamides
FR52927D Expired FR52927E (en) 1941-02-22 1943-03-19 Process for the preparation of polyamides
FR53128D Expired FR53128E (en) 1941-02-22 1943-09-09 Process for preparing polyamides

Family Applications Before (1)

Application Number Title Priority Date Filing Date
FR879254D Expired FR879254A (en) 1941-02-22 1942-02-11 Process for the preparation of polyamides

Family Applications After (2)

Application Number Title Priority Date Filing Date
FR52927D Expired FR52927E (en) 1941-02-22 1943-03-19 Process for the preparation of polyamides
FR53128D Expired FR53128E (en) 1941-02-22 1943-09-09 Process for preparing polyamides

Country Status (3)

Country Link
BE (2) BE448769A (en)
CH (1) CH237400A (en)
FR (4) FR879254A (en)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2735840A (en) * 1956-02-21 Vacuum pump
CH270844A (en) * 1948-10-01 1950-09-30 Parcofil Textil Maschinenbau A Process and device for the continuous polymerization of caprolactam.
DE1167482B (en) * 1950-05-31 1964-04-09 Toyo Rayon Co Ltd Melt spinning device for organic substances
NL74985C (en) * 1950-12-27
BE526488A (en) * 1953-02-25
US3057702A (en) * 1953-05-11 1962-10-09 Du Pont Apparatus for preparation of condensation polymers
US2784225A (en) * 1954-06-09 1957-03-05 Eastman Kodak Co Condensing esters and amines to form amides
DE1222200B (en) * 1957-03-28 1966-08-04 British Nylon Spinners Ltd Device for melt-spinning polyamides
BE564576A (en) * 1957-04-06
US3130180A (en) * 1957-09-18 1964-04-21 Glanzstoff Ag Continuous method and apparatus for the production of polyhexamethylene adipamide
NL266575A (en) * 1960-07-01
US5476919A (en) * 1995-02-21 1995-12-19 Minnesota Mining And Manufacturing Company Process for esterification

Also Published As

Publication number Publication date
FR879254A (en) 1943-02-18
FR52927E (en) 1945-08-24
CH237400A (en) 1945-04-30
BE444590A (en)
BE448769A (en)
FR53128E (en) 1945-09-19

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