GB693376A - A method of and apparatus for removing monomeric constituents from polymerised lactams - Google Patents

A method of and apparatus for removing monomeric constituents from polymerised lactams

Info

Publication number
GB693376A
GB693376A GB20886/50A GB2088650A GB693376A GB 693376 A GB693376 A GB 693376A GB 20886/50 A GB20886/50 A GB 20886/50A GB 2088650 A GB2088650 A GB 2088650A GB 693376 A GB693376 A GB 693376A
Authority
GB
United Kingdom
Prior art keywords
threads
pump
lactams
sump
nozzle
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
GB20886/50A
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.)
Inventa AG fuer Forschung und Patentverwertung
Original Assignee
Inventa AG fuer Forschung und Patentverwertung
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 Inventa AG fuer Forschung und Patentverwertung filed Critical Inventa AG fuer Forschung und Patentverwertung
Publication of GB693376A publication Critical patent/GB693376A/en
Expired legal-status Critical Current

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
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Mechanical Engineering (AREA)
  • Textile Engineering (AREA)
  • Polyamides (AREA)
GB20886/50A 1949-11-23 1950-08-23 A method of and apparatus for removing monomeric constituents from polymerised lactams Expired GB693376A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH693376X 1949-11-23

Publications (1)

Publication Number Publication Date
GB693376A true GB693376A (en) 1953-07-01

Family

ID=4529420

Family Applications (1)

Application Number Title Priority Date Filing Date
GB20886/50A Expired GB693376A (en) 1949-11-23 1950-08-23 A method of and apparatus for removing monomeric constituents from polymerised lactams

Country Status (5)

Country Link
BE (1) BE498427A (el)
CH (2) CH281596A (el)
FR (1) FR1023648A (el)
GB (1) GB693376A (el)
NL (1) NL154065B (el)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2922727A (en) * 1955-02-14 1960-01-26 American Enka Corp Method of treating polyamide tire cord with caprolactam oligomers
DE1119456B (de) * 1955-02-10 1961-12-14 Algemene Kunstzijde Unie Nv Verfahren und Vorrichtung zum Schmelzspinnen von kuenstlichen Faeden, Filmen u. dgl.
EP1415693A1 (de) * 2002-10-17 2004-05-06 Bayer Aktiengesellschaft Verfahren zur Abtrennung von flüchtigen Bestandteilen aus Polymeren

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL102671C (el) * 1955-07-23
NL213266A (el) * 1955-12-22
NL221181A (el) * 1957-09-28

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1119456B (de) * 1955-02-10 1961-12-14 Algemene Kunstzijde Unie Nv Verfahren und Vorrichtung zum Schmelzspinnen von kuenstlichen Faeden, Filmen u. dgl.
US2922727A (en) * 1955-02-14 1960-01-26 American Enka Corp Method of treating polyamide tire cord with caprolactam oligomers
EP1415693A1 (de) * 2002-10-17 2004-05-06 Bayer Aktiengesellschaft Verfahren zur Abtrennung von flüchtigen Bestandteilen aus Polymeren
US7144981B2 (en) 2002-10-17 2006-12-05 Bayer Aktiengesellschaft Process for separating volatile components from polymers

Also Published As

Publication number Publication date
BE498427A (el)
NL154065B (nl)
CH281096A (de) 1952-02-29
CH281596A (de) 1952-03-15
FR1023648A (fr) 1953-03-20

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