CH431978A - Verfahren zur Erhöhung der Lösungsviskosität von Polyamiden - Google Patents

Verfahren zur Erhöhung der Lösungsviskosität von Polyamiden

Info

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
Application number
CH514064A
Other languages
English (en)
Inventor
Ernst Dr Meyer
Original Assignee
Glanzstoff Ag
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 Glanzstoff Ag filed Critical Glanzstoff Ag
Publication of CH431978A publication Critical patent/CH431978A/de

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)
CH514064A 1963-06-06 1964-04-21 Verfahren zur Erhöhung der Lösungsviskosität von Polyamiden CH431978A (de)

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)

* Cited by examiner, † Cited by third party
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
CN104130402B (zh) * 2013-05-01 2018-07-03 英威达纺织（英国）有限公司 向高压釜中直接注入添加剂

Family Cites Families (6)

* Cited by examiner, † Cited by third party
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

Also Published As

Publication number Publication date
DE1265413B (de) 1968-04-04
FR1397745A (fr) 1965-04-30
BE646749A (de) 1964-08-17
SE302212B (de) 1968-07-08
GB1004558A (en) 1965-09-15
NL6406435A (de) 1964-12-07
US3359245A (en) 1967-12-19
AT245258B (de) 1966-02-25

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