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GB875076A - Process for preparing synthetic threads from synthetic linear polymers - Google Patents

Process for preparing synthetic threads from synthetic linear polymers

Info

Publication number
GB875076A
GB875076A GB38974/57A GB3897457A GB875076A GB 875076 A GB875076 A GB 875076A GB 38974/57 A GB38974/57 A GB 38974/57A GB 3897457 A GB3897457 A GB 3897457A GB 875076 A GB875076 A GB 875076A
Authority
GB
United Kingdom
Prior art keywords
linear polymers
threads
synthetic
sizing bath
aqueous phase
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
GB38974/57A
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.)
Bemberg SpA
Original Assignee
Bemberg SpA
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 Bemberg SpA filed Critical Bemberg SpA
Publication of GB875076A publication Critical patent/GB875076A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • D01F11/00—Chemical after-treatment of artificial filaments or the like during manufacture
    • D01F11/04—Chemical after-treatment of artificial filaments or the like during manufacture of synthetic polymers

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Chemical Treatment Of Fibers During Manufacturing Processes (AREA)

Abstract

As-spun undrawn threads made from fused linear polymers are immediately following melt-spinning concurrently subjected to a sizing bath operation having an aqueous phase and treatment with at least one reactive substance selected from the group consisting of aldehydes, diazomethane, other diazocompounds, ethylene oxide and dioxane, the reactive substance being dissolved in the aqueous phase of the sizing bath, and the threads are subsequently collected on a bobbin. Preferably the sizing bath further contains at least one water-miscible or water-emulsible organic liquid solvent having a swelling action on the melt-spun filaments, e.g. cresols, phenol, solutions of naphthols and formic acid. Specified synthetic linear polymers are polyurethanes, polyvinyls and polyamides, e.g. polycaprolactam. Examples are given.
GB38974/57A 1956-12-18 1957-12-16 Process for preparing synthetic threads from synthetic linear polymers Expired GB875076A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT875076X 1956-12-18

Publications (1)

Publication Number Publication Date
GB875076A true GB875076A (en) 1961-08-16

Family

ID=11330862

Family Applications (1)

Application Number Title Priority Date Filing Date
GB38974/57A Expired GB875076A (en) 1956-12-18 1957-12-16 Process for preparing synthetic threads from synthetic linear polymers

Country Status (1)

Country Link
GB (1) GB875076A (en)

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