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GB900911A - Process for treating artificial fibres - Google Patents

Process for treating artificial fibres

Info

Publication number
GB900911A
GB900911A GB16078/60A GB1607860A GB900911A GB 900911 A GB900911 A GB 900911A GB 16078/60 A GB16078/60 A GB 16078/60A GB 1607860 A GB1607860 A GB 1607860A GB 900911 A GB900911 A GB 900911A
Authority
GB
United Kingdom
Prior art keywords
formaldehyde
fibres
acrylonitrile
sodium
reducing agents
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
GB16078/60A
Inventor
Vera Isabella Furness
Frank Reeder
Hector Douglas Mackenzie
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.)
Akzo Nobel UK PLC
Original Assignee
Courtaulds PLC
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
Priority to NL126278D priority Critical patent/NL126278C/xx
Priority to NL264237D priority patent/NL264237A/xx
Priority to BE603404D priority patent/BE603404A/xx
Application filed by Courtaulds PLC filed Critical Courtaulds PLC
Priority to GB16078/60A priority patent/GB900911A/en
Priority to US106181A priority patent/US3091552A/en
Priority to ES0267142A priority patent/ES267142A1/en
Priority to FR860950A priority patent/FR1288593A/en
Publication of GB900911A publication Critical patent/GB900911A/en
Priority to NL6812171A priority patent/NL6812171A/xx
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
    • D01F6/00—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof
    • D01F6/02—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolymers obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • D01F6/18—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolymers obtained by reactions only involving carbon-to-carbon unsaturated bonds from polymers of unsaturated nitriles, e.g. polyacrylonitrile, polyvinylidene cyanide
    • 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
    • D01F11/06—Chemical after-treatment of artificial filaments or the like during manufacture of synthetic polymers of macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • 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
    • D01F6/28—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from copolymers obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • D01F6/38—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from copolymers obtained by reactions only involving carbon-to-carbon unsaturated bonds comprising unsaturated nitriles as the major constituent
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
    • Y10T428/2913—Rod, strand, filament or fiber
    • Y10T428/2933—Coated or with bond, impregnation or core
    • Y10T428/2964—Artificial fiber or filament
    • Y10T428/2967—Synthetic resin or polymer

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Artificial Filaments (AREA)
  • Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)

Abstract

Fibres or filaments of polyacrylonitrile, or of copolymers containing at least 80% of acrylonitrile, are rendered more resistant to heat and steam discolouration by treating the "neverdried" material with aqueous solutions or suspensions of reducing agents. The process may be carried out by passing a bundle of the wet fibres through a bath containing a 0,1%-10% solution of the reducing agent, optionally at elevated temperature. The treatment may be combined with other treatments such as finishing. Suitable reducing agents are thiourea dioxide, sodium or potassium metabisulphite, formaldehyde, and compounds yielding formaldehyde. The latter group includes paraformaldehyde, sodium formaldehyde bisulphite, and methylol derivatives of amides, for example hydroxymethyl formamide and hydroxymethyl dimethyl hydantoin. Examples, using a copolymer of acrylonitrile, methyl acrylate and itaconic acid, compare "fibre yellowness" when treated and untreated samples are heated in air or in steam under pressure.
GB16078/60A 1960-05-06 1960-05-06 Process for treating artificial fibres Expired GB900911A (en)

Priority Applications (8)

Application Number Priority Date Filing Date Title
NL126278D NL126278C (en) 1960-05-06
NL264237D NL264237A (en) 1960-05-06
BE603404D BE603404A (en) 1960-05-06
GB16078/60A GB900911A (en) 1960-05-06 1960-05-06 Process for treating artificial fibres
US106181A US3091552A (en) 1960-05-06 1961-04-28 Process for increasing the resistance of polyacrylonitrile fibers to discoloration
ES0267142A ES267142A1 (en) 1960-05-06 1961-05-04 Process for increasing the resistance of polyacrylonitrile fibers to discoloration
FR860950A FR1288593A (en) 1960-05-06 1961-05-05 Improvements in the treatment of artificial fibers, in particular polyacrylonitrile fibers
NL6812171A NL6812171A (en) 1960-05-06 1968-08-27

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB16078/60A GB900911A (en) 1960-05-06 1960-05-06 Process for treating artificial fibres
GB3108360 1960-09-09

Publications (1)

Publication Number Publication Date
GB900911A true GB900911A (en) 1962-07-11

Family

ID=26251776

Family Applications (1)

Application Number Title Priority Date Filing Date
GB16078/60A Expired GB900911A (en) 1960-05-06 1960-05-06 Process for treating artificial fibres

Country Status (5)

Country Link
US (1) US3091552A (en)
BE (1) BE603404A (en)
ES (1) ES267142A1 (en)
GB (1) GB900911A (en)
NL (3) NL6812171A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3410647A (en) * 1961-08-30 1968-11-12 Monsanto Co Treatment of gelled, swollen polyacrylonitrile type fibers with zinc sulfoxylate formaldehyde, zinc hydrosulfoxylate formaldehyde or zinc hydrosulfite
NL6803446A (en) * 1967-04-03 1968-10-04

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2768995A (en) * 1951-02-19 1956-10-30 Crylor Paris Process for treating acrylonitrile polymers with aqueous formaldehyde

Also Published As

Publication number Publication date
BE603404A (en)
NL126278C (en)
NL6812171A (en) 1968-10-25
NL264237A (en)
ES267142A1 (en) 1961-11-01
US3091552A (en) 1963-05-28

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