GB530833A - Improvements in setting synthetic films and fibres - Google Patents

Improvements in setting synthetic films and fibres

Info

Publication number
GB530833A
GB530833A GB17823/39A GB1782339A GB530833A GB 530833 A GB530833 A GB 530833A GB 17823/39 A GB17823/39 A GB 17823/39A GB 1782339 A GB1782339 A GB 1782339A GB 530833 A GB530833 A GB 530833A
Authority
GB
United Kingdom
Prior art keywords
sodium
filaments
sulphite
water
setting
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
GB17823/39A
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.)
EIDP Inc
Original Assignee
EI Du Pont de Nemours and Co
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 EI Du Pont de Nemours and Co filed Critical EI Du Pont de Nemours and Co
Publication of GB530833A publication Critical patent/GB530833A/en
Expired legal-status Critical Current

Links

Classifications

    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M13/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment
    • D06M13/10—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with compounds containing oxygen
    • 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
    • D01F6/58—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolycondensation products
    • D01F6/60—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolycondensation products from polyamides
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M11/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising
    • D06M11/01—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with hydrogen, water or heavy water; with hydrides of metals or complexes thereof; with boranes, diboranes, silanes, disilanes, phosphines, diphosphines, stibines, distibines, arsines, or diarsines or complexes thereof
    • D06M11/05—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with hydrogen, water or heavy water; with hydrides of metals or complexes thereof; with boranes, diboranes, silanes, disilanes, phosphines, diphosphines, stibines, distibines, arsines, or diarsines or complexes thereof with water, e.g. steam; with heavy water
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M11/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising
    • D06M11/51—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with sulfur, selenium, tellurium, polonium or compounds thereof
    • D06M11/54—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with sulfur, selenium, tellurium, polonium or compounds thereof with sulfur dioxide; with sulfurous acid or its salts

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Chemical Or Physical Treatment Of Fibers (AREA)
  • Treatment Of Fiber Materials (AREA)
  • Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)

Abstract

530,833. Artificial silk &c. ; treating textiles with liquids ; resinous condensation products &c. DU PONT DE NEMOURS & CO., E. I. June 19, 1939, No. 17823. Convention date, June 28, 1938. [Classes 2 (ii), 2 (iii) and 15 (ii)] Synthetic linear polyamide filaments, fibres, bristles, films, fabrics, and the like are subjected to treatment with a setting agent e.g. a hot, mild swelling agent such as hot water or steam, in presence of a water-soluble sulphite or bisulphite. Instead of water or steam, hydroxylated non-solvents such as methyl or ethyl alcohol may be used as the setting agent. Polyamides obtainedfrom amino acids or from diamines and dibasic acids may be used for making the filaments or other products. The treatment imparts a high crimp retentivity to crimped polyamide filaments, sets straight filaments in straight position, and imparts to bristles a high power of recovery from deformation and increased wear resistance. Sodium, ammonium, potassium, and magnesium sulphites and bisulphites may be used. The setting medium may contain C-hexadecyl betaine, gelatine, sodium oleate or silicate, dodecyl sodium sulphate, Turkey red oil, alkyl naphthalene sodium sulphonates, alkyl sodium sulphates, fatty acid esters of ethanol sulphuric acid, and sulphonated oils. The crimp in filaments may be set by carrying out the treatment with steam at 100-150 C. Bristles may be set using hot water at 85-100 C. The sulphite may be included in the setting medium or the materials may be impregnated with the sulphite before treating them with the setting medium. The process is applicable to the setting of knitted stockings containing the polyamide filaments. In an example polyhexamethylene adipamide yarn is soaked in water, passed through mineral oil heated to 150‹C., washed with toluene and then with acetone. It is soaked in water, cold-drawn, soaked in aqueous sodium sulphite solution and allowed to crimp by drying in relaxed condition. It is then set by exposure to saturated steam at 100‹C. In another example, a stocking knitted from cold-drawn polyhexamethylene adipamide yarn is immersed in an aqueous solution of sodium sulphite and isopropyl naphthalene sodium sulphonate. It is placed on a rigid form of the shape of a leg and placed in a chamber containing saturated steam. The treated stocking is free from wrinkles and resistant to wrinkling when treated with hot dye liquids. Specifications 461,236, and 461,237 are referred to.
GB17823/39A 1938-06-28 1939-06-19 Improvements in setting synthetic films and fibres Expired GB530833A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US530833XA 1938-06-28 1938-06-28

Publications (1)

Publication Number Publication Date
GB530833A true GB530833A (en) 1940-12-23

Family

ID=21981828

Family Applications (1)

Application Number Title Priority Date Filing Date
GB17823/39A Expired GB530833A (en) 1938-06-28 1939-06-19 Improvements in setting synthetic films and fibres

Country Status (5)

Country Link
BE (1) BE435125A (en)
DE (1) DE737329C (en)
FR (1) FR50729E (en)
GB (1) GB530833A (en)
NL (1) NL52336C (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2821578A (en) * 1954-10-22 1958-01-28 Astatic Corp Phonograph tone arm for pseudo-stereophonic sound reproduction

Also Published As

Publication number Publication date
BE435125A (en) 1939-07-08
DE737329C (en) 1943-07-12
NL52336C (en) 1942-04-15
FR50729E (en) 1941-02-24

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