IT1050601B - Procedimento per modificare filamenti e pellicole di materie termoplastiche mediante trattamento a caldo - Google Patents

Procedimento per modificare filamenti e pellicole di materie termoplastiche mediante trattamento a caldo

Info

Publication number
IT1050601B
IT1050601B IT69254/75A IT6925475A IT1050601B IT 1050601 B IT1050601 B IT 1050601B IT 69254/75 A IT69254/75 A IT 69254/75A IT 6925475 A IT6925475 A IT 6925475A IT 1050601 B IT1050601 B IT 1050601B
Authority
IT
Italy
Prior art keywords
films
procedure
heat treatment
thermoplastic filaments
modify thermoplastic
Prior art date
Application number
IT69254/75A
Other languages
English (en)
Italian (it)
Original Assignee
Raduner & Co 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 Raduner & Co Ag filed Critical Raduner & Co Ag
Application granted granted Critical
Publication of IT1050601B publication Critical patent/IT1050601B/it

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
    • D01F1/00—General methods for the manufacture of artificial filaments or the like
    • D01F1/02—Addition of substances to the spinning solution or to the melt
    • D01F1/08—Addition of substances to the spinning solution or to the melt for forming hollow filaments
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
    • B29C44/34—Auxiliary operations
    • B29C44/36—Feeding the material to be shaped
    • B29C44/46—Feeding the material to be shaped into an open space or onto moving surfaces, i.e. to make articles of indefinite length
    • B29C44/50—Feeding the material to be shaped into an open space or onto moving surfaces, i.e. to make articles of indefinite length using pressure difference, e.g. by extrusion or by spraying
    • 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
    • D01D5/00—Formation of filaments, threads, or the like
    • D01D5/24—Formation of filaments, threads, or the like with a hollow structure; Spinnerette packs therefor
    • D01D5/247—Discontinuous hollow structure or microporous structure

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Artificial Filaments (AREA)
IT69254/75A 1974-09-11 1975-09-10 Procedimento per modificare filamenti e pellicole di materie termoplastiche mediante trattamento a caldo IT1050601B (it)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB3966374 1974-09-11
GB4844974 1974-11-08

Publications (1)

Publication Number Publication Date
IT1050601B true IT1050601B (it) 1981-03-20

Family

ID=26264198

Family Applications (1)

Application Number Title Priority Date Filing Date
IT69254/75A IT1050601B (it) 1974-09-11 1975-09-10 Procedimento per modificare filamenti e pellicole di materie termoplastiche mediante trattamento a caldo

Country Status (3)

Country Link
CH (3) CH603834A5 (en(2012))
DE (1) DE2540225A1 (en(2012))
IT (1) IT1050601B (en(2012))

Also Published As

Publication number Publication date
CH597414B5 (en(2012)) 1978-04-14
CH1163975A4 (en(2012)) 1977-05-13
CH603834A5 (en(2012)) 1978-08-31
DE2540225A1 (de) 1976-04-01

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