CH281096A - Process for removing monomers from lactam polymerization products. - Google Patents

Process for removing monomers from lactam polymerization products.

Info

Publication number
CH281096A
CH281096A CH281096DA CH281096A CH 281096 A CH281096 A CH 281096A CH 281096D A CH281096D A CH 281096DA CH 281096 A CH281096 A CH 281096A
Authority
CH
Switzerland
Prior art keywords
polymerization products
lactam polymerization
removing monomers
monomers
lactam
Prior art date
Application number
Other languages
German (de)
Inventor
Inventa Ag Fuer Forschu Luzern
Original Assignee
Inventa 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 Inventa Ag filed Critical Inventa Ag
Publication of CH281096A publication Critical patent/CH281096A/en

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)
  • Mechanical Engineering (AREA)
  • Textile Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Polyamides (AREA)
CH281096D 1949-11-23 1949-11-23 Process for removing monomers from lactam polymerization products. CH281096A (en)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
CH281096A true CH281096A (en) 1952-02-29

Family

ID=4529420

Family Applications (2)

Application Number Title Priority Date Filing Date
CH281596D CH281596A (en) 1949-11-23 1948-07-30 Process for the preparation of a new naphthylpropionic acid.
CH281096D CH281096A (en) 1949-11-23 1949-11-23 Process for removing monomers from lactam polymerization products.

Family Applications Before (1)

Application Number Title Priority Date Filing Date
CH281596D CH281596A (en) 1949-11-23 1948-07-30 Process for the preparation of a new naphthylpropionic acid.

Country Status (5)

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

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1060139B (en) * 1955-07-23 1959-06-25 Glanzstoff Ag Process for the continuous production of polyamides from dicarboxylic acids and diamines or from amino-carboxylic acids
DE1113569B (en) * 1955-12-22 1961-09-07 Snia Viscosa Process and device for the recovery of the aminocarboxylic acid or other monomer fractions entrained in the production of polyamides from aminocarboxylic acids or other polyamide-forming monomers when the water is driven off by the escaping vapors

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL95935C (en) * 1955-02-10
BE543422A (en) * 1955-02-14
NL221181A (en) * 1957-09-28
DE10248571A1 (en) 2002-10-17 2004-04-29 Bayer Ag A process for polymer evaporation involving extrusion of a mixture of polymer and residual monomers, oligomers, and solvent useful for separating the volatile components of polymers

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1060139B (en) * 1955-07-23 1959-06-25 Glanzstoff Ag Process for the continuous production of polyamides from dicarboxylic acids and diamines or from amino-carboxylic acids
DE1113569B (en) * 1955-12-22 1961-09-07 Snia Viscosa Process and device for the recovery of the aminocarboxylic acid or other monomer fractions entrained in the production of polyamides from aminocarboxylic acids or other polyamide-forming monomers when the water is driven off by the escaping vapors

Also Published As

Publication number Publication date
BE498427A (en)
GB693376A (en) 1953-07-01
NL154065B (en)
CH281596A (en) 1952-03-15
FR1023648A (en) 1953-03-20

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