CH389903A - Verfahren zur Herabsetzung des Monomerem- und Obligomerengehaltes von polymerisiertem Caprolactam - Google Patents

Verfahren zur Herabsetzung des Monomerem- und Obligomerengehaltes von polymerisiertem Caprolactam

Info

Publication number
CH389903A
CH389903A CH324260A CH324260A CH389903A CH 389903 A CH389903 A CH 389903A CH 324260 A CH324260 A CH 324260A CH 324260 A CH324260 A CH 324260A CH 389903 A CH389903 A CH 389903A
Authority
CH
Switzerland
Prior art keywords
obligomer
monomer
reducing
content
polymerized caprolactam
Prior art date
Application number
CH324260A
Other languages
German (de)
English (en)
Inventor
Joachim Zimmer Hans
Natus Dietrich Dr Dipl-Phys
Ferdinand Dipl-Phys Geisl Hans
Langanke Helmut
Original Assignee
Zimmer Hans J
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 Zimmer Hans J filed Critical Zimmer Hans J
Publication of CH389903A publication Critical patent/CH389903A/de

Links

Classifications

    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
    • D01D1/00—Treatment of filament-forming or like material
    • D01D1/10—Filtering or de-aerating the spinning solution or melt
    • D01D1/103—De-aerating
    • 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
    • C08G69/08—Polyamides derived from amino-carboxylic acids or from polyamines and polycarboxylic acids derived from amino-carboxylic acids
    • C08G69/14—Lactams
    • C08G69/16—Preparatory processes
    • 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
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
    • D01F6/00—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof
    • D01F6/58—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolycondensation products
    • D01F6/60—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolycondensation products from polyamides

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Textile Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • General Chemical & Material Sciences (AREA)
  • Polyamides (AREA)
  • Artificial Filaments (AREA)
CH324260A 1960-01-29 1960-03-23 Verfahren zur Herabsetzung des Monomerem- und Obligomerengehaltes von polymerisiertem Caprolactam CH389903A (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEZ7781A DE1218109B (de) 1960-01-29 1960-01-29 Herstellen von Faeden aus polymerisiertem Caprolaktam

Publications (1)

Publication Number Publication Date
CH389903A true CH389903A (de) 1965-03-31

Family

ID=7620259

Family Applications (1)

Application Number Title Priority Date Filing Date
CH324260A CH389903A (de) 1960-01-29 1960-03-23 Verfahren zur Herabsetzung des Monomerem- und Obligomerengehaltes von polymerisiertem Caprolactam

Country Status (5)

Country Link
US (1) US3287322A (enrdf_load_stackoverflow)
CH (1) CH389903A (enrdf_load_stackoverflow)
DE (1) DE1218109B (enrdf_load_stackoverflow)
GB (1) GB942676A (enrdf_load_stackoverflow)
NL (1) NL260591A (enrdf_load_stackoverflow)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL129671C (enrdf_load_stackoverflow) * 1963-07-23 1900-01-01
BE671101A (enrdf_load_stackoverflow) * 1964-10-20
US4310659A (en) * 1980-04-21 1982-01-12 Allied Corporation Two-stage hydrolysis process for the preparation of nylon 6
US4430461A (en) 1980-06-06 1984-02-07 General Electric Company Method of removing volatiles in the preparation of silicone compositions
JP4491848B2 (ja) * 1998-04-03 2010-06-30 東レ株式会社 ポリアミドの製造方法
US9393092B2 (en) 2010-06-25 2016-07-19 Nanovis, Inc. Method for producing nanosurfaces with nano, micron, and/or submicron structures on a polymer
CN113336980B (zh) * 2020-03-02 2022-12-27 中国科学院化学研究所 一种自增强增韧聚酰胺材料及其制备方法

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2735840A (en) * 1956-02-21 Vacuum pump
US2687552A (en) * 1949-11-07 1954-08-31 Inventa Ag Process and apparatus for direct spinning of polyamides
US2719776A (en) * 1949-11-23 1955-10-04 Inventa Ag Elimination of monomers from lactampolymerization products
US2753594A (en) * 1952-05-03 1956-07-10 Inventa Ag Apparatus for use in the melt-spinning of synthetic polymers
US2731081A (en) * 1953-04-13 1956-01-17 Ind Rayon Corp Method for the removal of monomers, etc. from molten polymers
US3177181A (en) * 1960-11-14 1965-04-06 Foster Grant Co Inc Two stage vacuum devolatilization to purify polyamides

Also Published As

Publication number Publication date
US3287322A (en) 1966-11-22
GB942676A (en) 1963-11-27
DE1218109B (de) 1966-06-02
NL260591A (enrdf_load_stackoverflow)

Similar Documents

Publication Publication Date Title
CH423793A (de) Verfahren zur Herstellung von 1-Alkyl- und 1-Alkenylbenzimidazolen
CH435741A (de) Verfahren zur Herstellung von modifizierten Copolymeren
CH393741A (de) Verfahren zur alkalischen Polymerisation von Lactamen
CH395543A (de) Verfahren zur Polymerisation von Vinylchlorid
CH451512A (de) Verfahren zur Polymerisation von monomeren Lactamen
CH456159A (de) Verfahren zur Emulsionspolymerisation
CH424255A (de) Verfahren zur Stabilisierung von hochmolekularen Polyoxymethylenen
CH392433A (de) Verfahren und Vorrichtung zur Herstellung von Bewehrungsstählen
CH389903A (de) Verfahren zur Herabsetzung des Monomerem- und Obligomerengehaltes von polymerisiertem Caprolactam
CH412328A (de) Verfahren zur alkalischen Polymerisation von monomerem Lactam
CH431993A (de) Verfahren zur Herstellung von Copolymeren
CH392070A (de) Verfahren zur Polymerisation von Lactamen
CH415058A (de) Verfahren zur Polymerisation von a-Olefinen
CH434749A (de) Verfahren zur Polymerisation von Aldehyden
AT232268B (de) Verfahren zur stereospezifischen Polymerisation von Butadien
CH416097A (de) Verfahren zur Stabilisierung von Trioxan-Mischpolymerisaten
AT242960B (de) Verfahren zur Regulierung des Molgewichts von basischen Stickstoffverbindungen
CH396908A (de) Verfahren zur Seitenkettenchlorierung von 2-Methyl-pyridinen und 2-Methyl-chinolinen
AT240598B (de) Verfahren zur Polymerisation von α-Olefinen
CH375339A (de) Verfahren zur Herstellung von Benzolsulfonylharnstoffen
CH428225A (de) Verfahren zur Herstellung von Mischpolymerisaten des Vinylidencyanids
AT255126B (de) Verfahren zur Herstellung von Vinylidencyanidcopolymeren bzw. -copolymergemischen
CH380952A (de) Verfahren zur anionischen Polymerisation von Lactamen
CH411350A (de) Verfahren zur Alkali-Polymerisation von Caprolactam
AT293721B (de) Verfahren zur Polymerisation von α-Olefinen